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October 21, 2014
Contemporary evolution in response to environmental variation in an island bird population Understanding how natural selection operates in fluctuating environments is fundamental to understanding evolution. Historically, it has been difficult to understand how the environment impinges on the physiological state of wild birds but the recent application of telomere measurement techniques in natural populations now provides a window into this question. This project will be one of the first to combine physiological state, demography (e.g. size, age structure and dynamics) and selection in a wild population. The student will utilise Sheffields unique long-term study of a wild house sparrow population on Lundy Island, providing access to an existing databank and samples covering more than 15 years. The programme of work will explore the relationship between bird survival and fecundity at different stages of the life-course, together with changes in physiological state (with telomere length as a proxy), population demography and other environmental variables. The heritability of these relationships (reaction norms) will also be investigated to determine if fitness differences are transmitted to future generations. There is flexibility in the programme and the precise direction and emphasis of the project will be determined by collaboration between the student and the supervisors. The student can expect to receive exceptional training in state-of-the-art analytical methodology and laboratory techniques, including telomere analysis and DNA profiling, as well as benefitting from a well established and rewarding field project. The PhD project is fully funded with a starting date between JanuaryVMarch 2015. Applicants, who must be residents of the EU and must have a good (i.e. minimum IIi grade) honours degree, a masters degree, or equivalent, in a relevant subject, should complete an on-line application form via the University admission system (http://bit.ly/1w0RTFj) and should upload a supporting statement explaining why they want to pursue this PhD (maximum 1 page) followed by a short proposal explaining how they would approach the project, including any specific hypotheses (maximum 2 pages including any references). They should also upload their CV. Any enquiries about the project should be directed to Professor Terry Burke (email@example.com). Applications for this project will be accepted until Monday 3 November 2014. Mirre Simons via Gmail
Dear all the early registrations for the EBM 19 are open http://bit.ly/15fa2ML www.aeeb.fr all the best Pierre Pierre PONTAROTTI via Gmail
Many studies have elucidated the genetic and developmental processes underlying major vertebrate traits (fins, limbs, etc) in extant lineages. Most of these traits have evolved only once, limiting insights into the degree of constraint and repeatability of the evolutionary processes. In contrast with most other vertebrate traits, there have been six independent origins of electrogenesis, the ability to generate electric discharges from an electric organ, within fishes. Despite their clear benefit as a model for understanding general principles of parallel evolution of complex vertebrate tissues, we know little about the molecular and developmental processes underlying this tissue. In every group that has evolved electrogenesis, electric organs originate during development from skeletal muscle. The long-term goal of the Electric Fish Laboratory at Michigan State (http://bit.ly/1Fv6awH) laboratories is to characterize the evolutionary steps that have occurred to modify the developmental program in skeletal muscle to give rise to the electric organ. A recent study (Gallant et al. 2014, Science) identified suites of genes in four species, representing three independent origins of electrogenesis, which appear to be critical n the evolution of electric organs. Using cutting edge techniques in evolution and development (including transgenics, genomics and molecular biology), we plan to test hypotheses concerning the roles of these genes in the evolution of electric organs. Ideal candidates for this position are high achieving, creative, and independent. Training will combine cutting edge techniques in genomics, bioinformatics molecular biology and animal behavior. Michigan State University (MSU) is a world-class research university, providing world-class computing and genomics resources. Set in the college town of East Lansing, the area features a low cost of living as well as ideal surroundings for nature lovers and sports fanatics alike. Prospective applicants can be supported through several interdepartmental graduate programs, including a top-ranked program in Ecology, Evolutionary Biology and Behavior (http://eebb.msu.edu), as well as genetics (http://bit.ly/1Dvn6kR). Students will be encouraged to participate in a one-of-a-kind NSF-sponsored BEACON center for the study of evolution in action (http://bit.ly/GN0Rhx), for which MSU is the host institution. Successful candidates will be supported through a combination of research assistantships and teaching assistantships, and highly qualified may be eligible for additional support through competitive fellowships at the University level. Applications to MSU either graduate program in Biomolecular Science or Zoology is due December 1st, 2014. Interested candidates are strongly encouraged to send inquiries in advance of this deadline to Dr. Jason Gallant (firstname.lastname@example.org) for more information concerning this position, as well as guidance on the most appropriate graduate program to apply through. “email@example.com” via Gmail
The relative contribution of divergent natural selection and sexual selection on communication signals in the evolution of reproductive isolation is a central question in biology. Progress is limited by poor knowledge of how divergent communication signals originate at the genetic, cellular, and morphological levels, as well as difficulty connecting population level processes prior to speciation with the macroevolutionary patterns of diversity observed after speciation is completed. The more than 200 nominal species of mormyrids are ideally suited for circumventing such problems, producing easily measured and quantified electric discharge signals (EODs), which have a discrete anatomical and physiological basis. EOD signals are typically species-specific and have been demonstrated to be a necessary component of courtship behavior, particularly for a rapidly evolved “species flock” of mormyrids in the genus Paramormyrops. The Electric Fish Lab at Michigan State University (http://bit.ly/1Fv6awH) has recently focused on linking these macroevolutionary patterns of electric signal diversity to population-level processes. We have identified a key species to use newly developed techniques in evolutionary genomics to identify genes responsible for macroevolutionary patterns of electric signal diversity, critical in the speciation process. Ideal candidates for this position are high achieving, creative, and independent. Training will combine cutting edge techniques in genomics, bioinformatics molecular biology and animal behavior. Michigan State University (MSU) is a world-class research university, providing world-class computing and genomics resources. Set in the college town of East Lansing, the area features a low cost of living as well as ideal surroundings for nature lovers and sports fanatics alike. Prospective applicants can be supported through several interdepartmental graduate programs, including a top-ranked program in Ecology, Evolutionary Biology and Behavior (http://eebb.msu.edu), as well as genetics (http://bit.ly/1Dvn6kR). Students will be encouraged to participate in a one-of-a-kind NSF-sponsored BEACON center for the study of evolution in action (http://bit.ly/GN0Rhx), for which MSU is the host institution. Successful candidates will be supported through a combination of research assistantships and teaching assistantships, and highly qualified may be eligible for additional support through competitive fellowships at the University level. Applications to MSU either graduate program in Biomolecular Science or Zoology are due December 1st, 2014. Interested candidates are strongly encouraged to send inquiries in advance of this deadline to Dr. Jason Gallant (firstname.lastname@example.org) for more information concerning this position, as well as guidance on the most appropriate graduate program to apply through. Jason Gallant via Gmail
The Department of Biological Sciences at The University of Alabama invites applications for a tenure-track faculty position at the rank of Assistant Professor in Systematic Invertebrate Biology to begin August 2015. All taxonomic groups of invertebrates will be considered. Applicants whose research integrates modern genomic approaches to study the taxonomy, systematics, biogeography, and evolution of invertebrates are encouraged to apply. The successful applicant will be expected to establish an active independent research program, attract extramural funding, and must be committed to excellence in teaching and mentoring undergraduate and graduate students. In addition, the successful applicant will be expected to curate the invertebrate collection maintained by the Department of Biological Sciences and must provide evidence of curatorial experience and/or other relevant abilities. The invertebrate collection at the University of Alabama contains significant holdings of freshw ater mussels, freshwater decapods, and marine invertebrates. Individuals interested in diversifying this actively growing collection are encouraged to apply. Candidates must have a Ph.D. in the Biological Sciences or a related field and postdoctoral (or equivalent job) experience. A complete application includes (1) an application letter; (2) CV; (3) statement of research interests and goals; (4) statement of teaching interests and philosophy; and (5) a list of at least four references (including contact information). Letters of reference will be requested by the search committee as appropriate. To apply, go to http://bit.ly/16roDFf, complete the online application (Job #0809229), and upload all requested documents. Questions about the position may be addressed to Dr. Phil Harris (email@example.com; 205-348-1831). Consideration of applications will begin December 1, 2014 and will continue until the position is filled. For more information about the department, visit our website at http://bsc.ua.edu. Prior to hiring, the final candidate will be required to pass a pre-employment background investigation. The anticipated start date is August 16, 2015. Additional information about the Department of Biological Sciences and this available position can be found on our website at http://bsc.ua.edu. Applications from women and members of traditionally under-represented groups in Biology are especially encouraged. The University of Alabama is an Equal Opportunity/Equal Access Employer and actively seeks diversity among its employees. via Gmail
RESEARCH TECHNICIAN IN MOLECULAR/BEHAVIOURAL ECOLOGY OF SOCIAL SYSTEMS Fixed term for 36 months, full time Salary range: starting at 27,864 and rising to 31,342 per annum. It is normal to appoint at the first point of the salary scale. Closing date for applications: 10 November 2014 Expected start date : 1 January 2015 We seek an enthusiastic, self-motivated person with an interest in behavioural ecology and genetics/entomology for a 36-month NERC-funded full-time post in the research group of Professor Jeremy Field at Sussex University (http://bit.ly/1r626t3). The main aim of the project is to use a combination of approaches from behavioural ecology and quantitative genetics to investigate queen-worker coadaptation and conflict in primitively eusocial sweat bees (Lasioglossum). A major part of the work will be microsatellite genotyping, including helping with the development and testing of new marker loci, with initial training provided as required. There will be a range of other work, including a considerable UK fieldwork component. There will be a postdoctoral researcher working with the technician on the project. The successful applicant will have a degree or equivalent in a relevant subject and an interest in animal behaviour/entomology. Experience with animal social systems (especially social insects), and experience of molecular techniques, behavioural ecology/entomology and fieldwork would be useful, but it is not necessary to have experience in all of these areas. As well as the standard University of Sussex application form, applicants should send a CV, a covering letter explaining their suitability for the post, a statement of the applicants availability for interview during 21-28 November 2014, and contact details (including email addresses) of 2-3 referees who would be available to provide references before interview. Please also provide a clear statement concerning (a) whether the applicant would be available to start work on 1 January 2015, (b) whether the applicant has a full clean driving licence; (c) that the applicant is not colour-blind (see Person Specification below) Informal enquiries may be made to Professor Jeremy Field (firstname.lastname@example.org). Closing date for applications: 10 November 2014 Interviews will be held between 21 and 28 November 2014 For full details and how to apply see http://bit.ly/1229xfa The University of Sussex is committed to equality of opportunity Jeremy Field via Gmail
Job: PhD position in molecular evolution Fix term position in the molecular ecology research group at the Martin-Luther-University Halle-Wittenberg. Duration: 2 years (01.02.2015 - 31.01.2017) Funding amount: 50% E13 TV-L We are seeking a person with a Master of Science or equivalent in Biology in the field of molecular evolution. The successful candidate will be familiar with next generation sequencing techniques, the analyses of genomic data and the biology of social insects. Excellent command of the English language in both writing and speaking is essential. The successful candidate will participate in the DFG project The role of major royal jelly proteins for caste determination in the honeybee, Apis mellifera’ and in teaching activities in ecology and population genetics at the BSc/ MSc. The group has excellent laboratory facilities with all state of the art equipment including a next generation sequencing platform. The research focus of the group is on evolutionary biology of social bees with the honeybee being used as the model system for many studies. A detailed research profile can be found at http://bit.ly/1v5eDnd More detailed information can be obtained by Prof. Dr. Dr. hc Robin F. A. Moritz, Tel: 0049-(0)-345 55-26223, E-Mail: email@example.com Please submit your application before Nov 10. 2014 referring to Reg.-Nr.: 5-8594/14-D together with your CV, certificates, name of one referee by e-mail to : firstname.lastname@example.org or in hard copy to Prof. Dr. Dr. hc. Robin F. A. Moritz, Abt. Molekulare Oekologie, Institut fuer Biologie/Zoologie, Martin-Luther- Universitaet Halle-Wittenberg, Hoher Weg 4, 06120 Halle (Saale). via Gmail
October 20, 2014
—_000_8948C5EE68394E33A20E23BDF56CEFF6ugaedu_ Content-Type: text/plain; charset=”us-ascii” Content-Transfer-Encoding: quoted-printable ASSISTANT PROFESSOR POSITION IN BIOINFORMATICS/BIOLOGICAL DATA SCIENCE AT THE UNIVERSITY OF GEORGIA The Institute of Bioinformatics at the University of Georgia invites applications at the Assistant Professor level for a tenure-track faculty position in bioinformatics or computational biology starting August 2015. We welcome applications from candidates with experience in any area of bioinformatics or biological data science/data analytics research. The candidate should have a Ph.D. or equivalent degree in the sciences or any related field and a strong research record at the interface of computing and life science. The successful candidate will join our highly-active interdisciplinary program in Bioinformatics (http://iob.uga.edu) with a tenure home in one of the following Franklin College Departments: Computer Science, Genetics or Plant Biology (http://bit.ly/175F1fg). The candidate will be expected to maintain a rigorous, externally funded research program and contribute to undergraduate and graduate teaching. To apply, candidates should submit a cover letter, curriculum vitae, copies of their three best publications, and statements of research interests and teaching philosophy (no more than 4 pages total) as a single PDF file to http://bit.ly/14YbDNs. Three letters of recommendation should be uploaded separately to the same web site. The committee will begin reviewing app lications on December 1, 2014, and continue until the position has been filled. The Franklin College of Arts and Sciences, its many units, and the University of Georgia are committed to increasing the diversity of its faculty and students and sustaining a work and learning environment that is inclusive. The University is an EEO/AA Institution. Women, minorities, protected veterans and individuals with disabilities are strongly encouraged to apply. Georgia is well known for its quality of life in regard to both outdoor and urban activities. The University of Georgia, the oldest state-chartered university in the United States, is a land/sea grant institution located in the city of Athens (http://bit.ly/175F1fi), 70 miles northeast of Atlanta. Jessica C. Kissinger Professor of Genetics Director, Institute of Bioinformatics University of Georgia Assistant: Ms. Carrie Jarrard 706-542-7784 email:email@example.com —_000_8948C5EE68394E33A20E23BDF56CEFF6ugaedu_ Content-Type: text/html; charset=”us-ascii” Content-ID: Content-Transfer-Encoding: quoted-printableASSISTANT PROFESSOR POSITION IN BIOINFORMATICS/BIOLOGICAL DATA SCIENCE AT THE UNIVERSITY OF GEORGIA The Institute of Bioinformatics at the University of Georgia invites applications at the Assistant Professor level for a tenure-track faculty position in bioinformatics or computational biology starting August 2015. We welcome applications from candidates with experience in any area of bioinformatics or biological data science/data analytics research. The candidate should have a Ph.D. or equivalent degree in the sciences or any related field and a strong research record at the interface of computing and life science. The successful candidate will join our highly-active interdisciplinary program in Bioinformatics (http://iob.uga.edu) with a tenure home in one of the following Franklin College Departments: Computer Science, Genetics or Plant Biology (http://bit.ly/175F1fg). The candidate will be expected to maintain a rigorous, externally funded research program and contribute to undergraduate and graduate teaching. To apply, candidates should submit a cover letter, curriculum vitae, copies of their three best publications, and statements of research interests and teaching philosophy (no more than 4 pages total) as a single PDF file to http://bit.ly/14YbDNs. Three letters of recommendation should be uploaded separately to the same web site. The committee will begin reviewing applications on December 1, 2014, and continue until the position has been filled. The Franklin College of Arts and Sciences, its many units, and the University of Georgia are committed to increasing the diversity of its faculty and students and sustaining a work and learning environment that is inclusive. The University is an EEO/AA Institution. Women, minorities, protected veterans and individuals with disabilities are strongly encouraged to apply. Georgia is well known for its quality of life in regard to both outdoor and urban activities. The University of Georgia, the oldest state-chartered university in the United States, is a land/sea grant institution located in the city of Athens (http://bit.ly/175F1fi), 70 miles northeast of Atlanta.
Jessica C. Kissinger Professor of Genetics Director, Institute of Bioinformatics University of Georgia Assistant: Ms. Carrie Jarrard 706-542-7784 email:firstname.lastname@example.org —_000_8948C5EE68394E33A20E23BDF56CEFF6ugaedu via Gmail
California Academy of Sciences seeks an inspirational scientist who exemplifies the Academy$B!G(Bs mission to $B!H(Bexplore, explain, and sustain life on Earth.$B!I(B The candidate is expected to develop an internationally recognized research program on arachnids, communicate effectively with diverse audiences and address local or global sustainability issues. We value innovation and creativity in both funding and engaging public audiences. The endowed position includes an appropriate start-up package, modest annual funds for research and a full-time postdoctoral position. Application Instructions: Applicants should submit a cover letter, curriculum vitae, a statement of their research interests (not more than 3 pages), a statement of their sustainability and outreach goals (not more than 3 pages), and contact information for three references. Inquiries may also be directed to Dr. Brian Fisher (email@example.com), Chair of the search committee. Review of applications will begin January 2015. We encourage submission before that date, but applications will continue to be accepted until the position is filled. Please apply online through http://bit.ly/1y3NZcJ The California Academy of Sciences is an Equal Opportunity Employer and welcomes applications from individuals who will contribute to its diversity. firstname.lastname@example.org via Gmail
Princeton University Postdoctoral research associate position on Genome Rearrangement, Transposons, Non-coding RNA, and Epigenetics Princeton University has a full-time post-doctoral position available in the Department of Ecology and Evolutionary Biology to work in the Landweber Lab to study the mechanism and evolution of scrambled genomes in ciliates, particularly the role of non-coding RNAs (including long ncRNAs and small RNAs), chromatin, and other protein and epigenetic factors, using high-throughput and functional experimental research tools. Our lab uses Oxytricha as a model organism for large-scale genome rearrangements. You can read about our research at http://bit.ly/1a60oQC. Candidates are required to have a Ph.D. in molecular biology, molecular evolution, or a related field. For this position we seek candidates who have a range of experience with functional molecular biology and strong experimental skill; however, applications from candidates with an exceptional background in computational genomics and bioinformatics will also be considered. Excellent interpersonal skills, written and oral communication skills, organizational skills, and ability to work independently and collaboratively are all essential. This appointment will be for one year with the possibility of renewal contingent upon funding and satisfactory progress. Salary is competitive and commensurate with experience; benefits are included. This position is available immediately and will be open until filled. Applicants should apply online at http://bit.ly/1EccNn5, Requisition #1400718, and include a curriculum vitae, a research statement (2 page max) describing background and experience and a cover letter that includes names and contact information of three references. Princeton University is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law. This position is subject to the University’s background check policy. Laura Landweber via Gmail
October 19, 2014
—Apple-Mail=_93DA524F-99A4-4715-A6A2-06CCF8DAB160 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Join us for the first New York Area Population Genomics Meeting! This one-day event will be held THURSDAY, JANUARY 15, 2015, at the New York Genome Center, 101 6th Avenue, New York NY. Co-organized by researchers from across the region, the workshop is intended to promote interaction among New York area population geneticists. The meeting will feature invited talks by Amy WIlliams (Cornell) and Peter Andolfatto (Princeton) and talks selected from abstracts submitted by students and postdocs. All talks will be 15 minutes. The meeting’s focus spans population, quantitative, comparative, evolutionary, and statistical genetics and genomics. The abstract deadline is NOVEMBER 15, 2014. For more information, and to register and submit abstracts, visit http://bit.ly/1yQNFkG. Registration is free but required. Organizers: Barbara Engelhardt (Princeton), Joe Pickrell (NY Genome Center and Columbia), Molly Przeworski (Columbia), Matt Rockman (NYU), Adam Siepel (Cold Spring Harbor Labs), and Orli Bahcall (Nature Genetics) —Apple-Mail=_93DA524F-99A4-4715-A6A2-06CCF8DAB160 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-asciiJoin us for the first New York Area Population Genomics Meeting!This one-day event will be held THURSDAY, JANUARY 15, 2015, at the New York Genome Center, 101 6th Avenue, New York NY. Co-organized by researchers from across the region, the workshop is intended to promote interaction among New York area population geneticists. The meeting will feature invited talks by Amy WIlliams (Cornell) and Peter Andolfatto (Princeton) and talks selected from abstracts submitted by students and postdocs. All talks will be 15 minutes. The meeting’s focus spans population, quantitative, comparative, evolutionary, and statistical genetics and genomics. The abstract deadline is NOVEMBER 15, 2014. For more information, and to register and submit abstracts, visit http://bit.ly/1yQNFkG. Registration is free but required. Organizers:Barbara Engelhardt (Princeton), Joe Pickrell (NY Genome Center and Columbia), Molly Przeworski (Columbia), Matt Rockman (NYU), Adam Siepel (Cold Spring Harbor Labs), and Orli Bahcall (Nature Genetics) —Apple-Mail=_93DA524F-99A4-4715-A6A2-06CCF8DAB16 via Gmail
We are puzzled by a recent comment that suggested that historical hypotheses can be tested but are unfalsifiable. We argue that phylogenetic hypotheses are falsifiable without the aid of a time machine and that they are like any other hypothesis: they are tentative knowledge propositions capable of falsification with character evidence.
Bees have evolved durable relationships with a diverse set of microorganisms, including bacteria, viruses, fungi and protozoa. These microbial communities comprise beneficial and detrimental symbionts and their composition is likely a key determinant for the health status of the host. Furthermore, based on existing data, social bee species seem to harbor more consistent and specific communities than non-social ones, indicating that bees could represent suitable models to study the evolution of host-microbe interactions given different degrees of host sociality. High-throughput sequencing technologies allow us to acquire vast amounts of sequencing data (metagenomics) from the microbial communities of different bee populations, synthesize the results and obtain comprehensive patterns of microbe-host webs. To make this possible, metagenomic sequence data produced by different laboratories need to be consistently analyzed and archived allowing integration and subsequent exploitation by scientists from different research areas, such as bee pathology, microbial ecology, and evolution. The aim of the proposed meeting will be to gather an interdisciplinary group of scientists working on different aspects of bee science, including microbiologists, epidemiologists, evolutionists and computer scientists. This group will (i) define the most burning questions regarding bee microbiome interactions and the effect of the environment on its composition, (ii) identify an appropriate strategy to address these questions, including the design of tools such as a dedicated database, (iii) discuss future collaborative efforts to fund the proposed research.
Some time ago I wrote a blog post about The bourbon family forest, which contained a collection of trees that, rather than being genealogical trees, instead showed the corporate ownership of American whiskey.
Here is a similar arrangement for "the six companies that make 50% of the world's beer", produced by David Yanofsky at the Quartz blog. As before, the vertical axis is actually a time scale, but the trees are only marginally family trees in the genealogical sense. Note that there is a reticulation between two of the trees for the "Scottish & Newcastle" entry, although this was apparently followed immediately by a subsequent divergence.
Nevertheless, roughly the same sort of information could actually be presented as proper genealogies. Here is an example form Philip Howard's blog, restricted to American beer. Note that the genealogies refer to the joining of branches through time, rather than their splitting. There are two reticulation events, one of which also refers to the "Scottish & Newcastle" entry.
It is also worth noting the use of other types of network by Philip Howard, to look at:
October 18, 2014
Postdoctoral position on Phenotypic Plasticity, Dept. Biological Sciences, National University of Singapore A postdoctoral position is available in the lab of Antnia Monteiro to study the origin and evolution of phenotypic plasticity in butterfly wing patterns. The project will involve comparative hormone titer quantification and gene expression quantification (transcriptomics) across butterfly species, followed by functional validation of candidate genes/hormones in a subset of species. The position is for three years and can start immediately. Salary will be competitive and commensurate with experience. Candidates with demonstrated interests in phenotypic plasticity, and with experience in comparative transcriptomics and in handling NGS data, are especially welcome to apply. Experience in the use of phylogenies for hypothesis testing is also valued. The Department of Biological Sciences (http://bit.ly/1yObB8r) offers world-class research labs and infrastructure and a convivial and collaborative environment. Singapore is a lush, green city offering tropical weather year around, a diversity of food, and nearby exotic locations. Interested applicants should contact Antnia Monteiro (email@example.com) with a CV, a statement of research interests, and the names of three references. Relevant publications: Oliver JC , X Tong, LF Gall, WH Piel, and A Monteiro (2012). A single origin for butterfly eyespots followed by widespread loss of associated gene expression. PloS Genetics 8:8 e1002893. Prudic KL, C Jeon, H Cao, and A Monteiro (2011) Developmental plasticity in sexual roles drives mutual sexual ornamentation. Science 331:73-75. Brakefield PM, J Gates, D Keys, F Kesbeke, P and S Carroll (1996) Development, plasticity, and evolution of butterfly eyespot patterns. Nature 384: 236-242. Antnia Monteiro Associate Professor Department of Biological Sciences National University of Singapore 14 Science Drive 4 Singapore 117543 and, Associate Professor Yale-NUS-College 6 College Avenue East Singapore 138614 web-page: http://bit.ly/1pg0RIr Antnia Monteiro via Gmail
Background: Duplication and subsequent neofunctionalization of the teleostean hatching enzyme gene occurred in the common ancestor of Euteleostei and Otocephala, producing two genes belonging to different phylogenetic clades (clades I and II). In euteleosts, the clade I enzyme inherited the activity of the ancestral enzyme of swelling the egg envelope by cleavage of the N-terminal region of egg envelope proteins. The clade II enzyme gained two specific cleavage sites, N-ZPd and mid-ZPd but lost the ancestral activity. Thus, euteleostean clade II enzymes assumed a new function; solubilization of the egg envelope by the cooperative action with clade I enzyme. However, in Otocephala, the clade II gene was lost during evolution. Consequently, in a late group of Otocephala, only the clade I enzyme is present to swell the egg envelope. We evaluated the egg envelope digestion properties of clade I and II enzymes in Gonorynchiformes, an early diverging group of Otocephala, using milkfish, and compared their digestion with those of other fishes. Finally, we propose a hypothesis the neofunctionalization process. Results: The milkfish clade II enzyme cleaved N-ZPd but not mid-ZPd, and did not cause solubilization of the egg envelope. We conclude that neofunctionalization is incomplete in the otocephalan clade II enzymes. Comparison of clade I and clade II enzyme characteristics implies that the specificity of the clade II enzymes gradually changed during evolution after the duplication event, and that a change in substrate was required for the addition of the mid-ZPd site and loss of activity at the N-terminal region. Conclusions: We infer the process of neofunctionalization of the clade II enzyme after duplication of the gene. The ancestral clade II gene gained N-ZPd cleavage activity in the common ancestral lineage of the Euteleostei and Otocephala. Subsequently, acquisition of cleavage activity at the mid-ZPd site and loss of cleavage activity in the N-terminal region occurred during the evolution of Euteleostei, but not of Otocephala. The clade II enzyme provides an example of the development of a neofunctional gene for which the substrate, the egg envelope protein, has adapted to a gradual change in the specificity of the corresponding enzyme.
Source: BMC Evolutionary Biology
Postdoctoral position at the University of São Paulo (USP) A 2-year postdoctoral fellowship is available starting in November 2014 as part of a FAPESP grant (http://bit.ly/1rMiYEi) to study systematics and biogeography of Hydrozoa from Patagonia and Antarctica. The position is open to Brazilians and foreigners. The opportunity is inserted in the thematic project with the aim to investigate the dimensions of marine life, transversally, through the search of patterns and processes in many biological levels, and in questions related to time and space in different scales. Specifically to this position, the fellow should develop the work in the subproject “Systematics and biogeography of Hydrozoa from Patagonia and Antarctica”. The specific postdoctoral project focuses on the “Areas of endemism of benthic hydroids from the subantarctic and Antarctic regions, and the influence of their mechanisms of dispersal in marine biogeographic patterns”. The aim is to survey hypotheses of areas of endemism for subantarctic and Antarctic benthic hydroids through the use of parsimony and optimization methods in biogeography, contrasting the patterns found with different strategies of life cycle in Hydrozoa. 1. Applications The application is exclusively via e-mail, with documentation sent in pdf format addressed to Antonio Carlos Marques (firstname.lastname@example.org), lead of the FAPESP grant, up to November 20th 2014, 24:00, Brasília time. 2. Qualifications a) PhD in Zoology, or equivalent area; b) PhD completed in the previous 2 years, maximum; c) To have the PhD diploma, certification of the PhD dissertation defense, or equivalent document; d) Curriculum vitae demonstrating that the candidate is able to develop the project based on previous experiences; e) Applicants should have a track record of peer-reviewed publications, or articles in press, in the area or in the taxonomic main group of the project; f) Applicants should have a track experience in marine biogeography, areas of endemism, morphology and taxonomy of the group to be studied (benthic hydrozoans, particularly the subclasses Leptothecata and “Anthoathecata”), and in biogeographic methods (ecological and historical) of recognition of areas of endemism (since the constitution of the dataset until the interpretation of the analyses results); g) It is necessary to be fluent in English and knowledge of Spanish is a plus; h) Applicants should have experience in the use of software of construction and edition of data matrices (NEXUS, Mesquite, Winclada, MacClade), cladistic analyses by parsimony (PAUP, TNT), construction and edition of trees (Figtree, Mesquite, WinClada, MacClade, TreeView) and maps (ArcGis e Diva-GIS), besides the optimization software NDM-VNDM. h) Applicants should have experience in performing and interpret analyses of search of areas of endemism through the methods of Parsimony Analysis of Endemicity (PAE) and optimization through the Endemicity Analysis (EA), besides the comparison on the differences between the results and performances of both methods; i) The approved candidate should dedicate himself/herself entirely and exclusively to the project activities; j) The approved candidate should not maintain employment or statutory relationship during the project validity; k) The approved candidate should not be retired; l) The approved candidate should have experience of internship abroad of minimum 9 (nine) months; m) The approved candidate should be available to initiate activities related to the project as soon as your application is approved by FAPESP; n) The approved candidate must have the ability to organize research tasks independently; o) The approved candidate must have the ability to coordinate classes and discussions at the level of postgraduate in the field of marine biogeography or systematics, and to help in the supervision of undergraduate and graduate students. 3. Documentation For application, the applicant should submit by e-mail in PDF document: (a) an updated Curriculum vitae, (b) two letters of recommendation of professionals from the area, (c) a brief statement (maximum 2 pages) of work experience and motivations concerning the postdoctoral position. 4. Selective process The selection of the applicants will be held in two stages: (a) analysis of the documentation received by e-mail, (b) evaluation of the CV of the qualified candidates. 5. Results The result will be e-mailed from November 21th 2014. 6. Fellowship The approved candidate will receive a FAPESP postdoctoral fellowship in the value of R$ 6,143.40/month (approx. US$2,528.00/month) for 24 months, plus a technical reserve and an installation aid. The technical reserve of the postdoctoral fellowship is of 15% of the annual value of the fellowship, and has the aim to cover the unexpected expenses directly related to the research activity. In case the postdoctoral fellow student lives in a different place from the institution location, and needs to move to the city where the institution is located, he/she might be right to an installation aid. Additional information on the FAPESP postdoctoral fellowship is available at http://bit.ly/1vIyAQW. 7. The beginning of the activities The approved candidate should initiate his/her activities as soon as your application is approved by FAPESP. 8. General provisions Omissions in this announcement will be decided by the lead of the FAPESP grant, safeguarding the rules established by FAPESP. Thank you for your attention. Best wishes, Antonio C. Marques Professor of Zoology Curriculum Vitae Director, Centro de Biologia Marinha (CEBIMar) Universidade de Sao Paulo www.usp.br/cbm Phone (CEBIMar): (55 12) 3862 8422 E-mail: email@example.com Editor of Zootaxa for Cnidaria Hydrozoa http://bit.ly/1rMiYEn Mail address: Depto Zoologia, Instituto de Biociencias Universidade de Sao Paulo Rwww.usp.br/cbm Phone (CEBIMar): (55 12) 3862 8422 E-mail: firstname.lastname@example.org Editor of Zootaxa for Cnidaria Hydrozoa http://bit.ly/1rMiYEn Mail address: Depto Zoologia, Instituto de Biociencias Universidade de Sao Paulo Rua Matao, Trav. 14, 101, 05508-090, Sao Paulo, Brazil Phone (Zoologia): (55 11) 30917530 Fax: (55 11) 30917802 Antonio Carlos Marques via Gmail
BSPB 2015 Early Announcement The 2015 British Society For Protist Biology Spring Meeting will be held between 15-17th April 2015 at the University of Huddersfield. The conference will host two mini-symposia – Experimental Evolution in Protists and The Evolution of Multicellularity – as well as sessions for posters, student talks and contributed talks. A limited number of student bursaries will be allocated to Society members who are presenting at the conference and will be offered on a first come-first served basis. Registration will open on the 15th January 2015. The following speakers will be presenting in the symposia: Experimental Evolution In Protists Will Ratcliff (Georgia Tech) - Plenary Mike Brockhurst (York) Duncan Cameron (Sheffield) Ville Friman (Imperial) Oliver Kaltz (Montpellier) Kai Lohbeck (Kiel) Chris Lowe (Exeter) Peter O’Toole (York) Evolution of Multicellularity Iñaki Ruiz-Trillo (Barcelona) - Plenary Mark Cock (Roscoff) Frank Nitsche (Cologne) Daniel Richter (Roscoff) Pauline Schaap (Dundee) BSPB Meeting Webpage: http://bit.ly/1uk6m9n Martin Carr MartCarr74@gmail.com Martin Carr via Gmail
The Genealogical World of Phylogenetic Networks
BMC Evolutionary Biology
Molecular Biology and Evolution