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(BMC Evol Biol[TA])
3,330 results
  • Multi-locus phylogeny using topotype specimens sheds light on the systematics of Niviventer (Rodentia, Muridae) in China. [Journal Article]
  • BEBMC Evol Biol 2016 Dec 01; 16(1):261
  • Zhang B, He K, … Jiang X
  • CONCLUSIONS: Our results suggested that several genetically distinct species may be contained within the species currently known as N. confucianus and N. fulvescens. In addition, the results of Bayesian Phylogenetics and Phylogeography (BPP) for N. coninga, N. huang, and N. lotipes indicated that either inter-specific gene flow had occurred or imperfect taxonomy was present. Morphological examinations and morphometric analyses are warranted to examine the molecular results.
  • Plasticity in growth of farmed and wild Atlantic salmon: is the increased growth rate of farmed salmon caused by evolutionary adaptations to the commercial diet? [Journal Article]
  • BEBMC Evol Biol 2016 Dec 01; 16(1):264
  • Harvey AC, Solberg MF, … Glover KA
  • CONCLUSIONS: No indication of genetic-based adaptation to the form or nutritional content of commercial salmon diets was detected in the farmed salmon. Therefore, we conclude that diet alone, at least in the absence of other environmental stressors, is not the primary cause for the large contrast in growth differences between farmed and wild salmon in the hatchery and wild. Additionally, we conclude that genetically-increased appetite is likely to be the primary reason why farmed salmon display higher growth rates than wild salmon when fed ad lib rations under hatchery conditions. Our results contribute towards an understanding of the potential genetic changes that have occurred in farmed salmon in response to domestication, and the potential mechanisms underpinning genetic and ecological interactions between farmed escapees and wild salmonids.
  • Are sexually selected traits affected by a poor environment early in life? [Journal Article]
  • BEBMC Evol Biol 2016 Dec 01; 16(1):263
  • Vega-Trejo R, Jennions MD, Head ML
  • CONCLUSIONS: Although delaying maturation to reach the same body size as well fed juveniles can ameliorate some costs of a poor start in life, our findings suggest that costs might still arise because of sexual selection against these males. It should be noted, however, that the observed effects are modest (Hedges' g = 0.20-0.36), and the assumption that lower sperm production translates into a decline in fitness under sperm competition remains unconfirmed.
  • PhyInformR: phylogenetic experimental design and phylogenomic data exploration in R. [Journal Article]
  • BEBMC Evol Biol 2016 Dec 01; 16(1):262
  • Dornburg A, Fisk JN, … Townsend JP
  • CONCLUSIONS: PhyInformR provides a means to implement diverse substitution models and specify uneven branch lengths for phylogenetic informativeness or calculations providing quartet based probabilities of resolution, produce novel visualizations, and facilitate analyses of next-generation sequence datasets while incorporating phylogenetic uncertainty through the use parallel processing. As an open source program, PhyInformR is fully customizable and expandable, thereby allowing for advanced methodologies to be readily integrated into local bioinformatics pipelines. Software is available through CRAN and a package containing the software, a detailed manual, and additional sample data is also provided freely through github: https://github.com/carolinafishes/PhyInformR .
  • Revealing hidden species diversity in closely related species using nuclear SNPs, SSRs and DNA sequences - a case study in the tree genus Milicia. [Journal Article]
  • BEBMC Evol Biol 2016 Dec 01; 16(1):259
  • Daïnou K, Blanc-Jolivet C, … Hardy OJ
  • CONCLUSIONS: Our genetic data suggest that three species of Milicia could be recognized. It is surprising that the occurrence of two species in Central Africa was not reported for this well-known timber tree. Globally, our work highlights the importance of collecting samples in a systematic way and the need for combining different nuclear markers when dealing with species complexes. Recognizing cryptic species is particularly crucial for economically exploited species because some hidden taxa might actually be endangered as they are merged with more abundant species.
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