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  1. Histone lysine methylation modifies chromatin structure and regulates eukaryotic gene transcription and a variety of developmental and physiological processes. SET domain proteins are lysine methyltransferases...

    Authors: Li Lei, Shi-Liang Zhou, Hong Ma and Liang-Sheng Zhang
    Citation: BMC Evolutionary Biology 2012 12:51
    Content type: Research article Published on:

  2. Carassius gibelio, a cyprinid fish from Eurasia, has the ability to reproduce both sexually and asexually. This fish is also known as an invasive species which colonized almost all continental Europe, most likely...

    Authors: Roberto Barbuti, Selma Mautner, Giorgio Carnevale, Paolo Milazzo, Aureliano Rama and Christian Sturmbauer
    Citation: BMC Evolutionary Biology 2012 12:49
    Content type: Research article Published on:

  3. Fine-scale or spatial genetic structure (SGS) is one of the key genetic characteristics of plant populations. Several evolutionary and ecological processes and population characteristics influence the level of...

    Authors: Madhav Pandey and Om P Rajora
    Citation: BMC Evolutionary Biology 2012 12:48
    Content type: Research article Published on:

  5. Interspecific hybridization occurs in every eukaryotic kingdom. While hybrid progeny are frequently at a selective disadvantage, in some instances their increased genome size and complexity may result in great...

    Authors: Jeff S Piotrowski, Saisubramanian Nagarajan, Evgueny Kroll, Alison Stanbery, Kami E Chiotti, Arthur L Kruckeberg, Barbara Dunn, Gavin Sherlock and Frank Rosenzweig
    Citation: BMC Evolutionary Biology 2012 12:46
    Content type: Research article Published on:

  6. The study of speciation and maintenance of species barriers is at the core of evolutionary biology. During speciation the genome of one population becomes separated from other populations of the same species, ...

    Authors: Robert HS Kraus, Hindrik HD Kerstens, Pim van Hooft, Hendrik-Jan Megens, Johan Elmberg, Arseny Tsvey, Dmitry Sartakov, Sergej A Soloviev, Richard PMA Crooijmans, Martien AM Groenen, Ronald C Ydenberg and Herbert HT Prins
    Citation: BMC Evolutionary Biology 2012 12:45
    Content type: Research article Published on:

  7. To maximize their fitness, parents are assumed to allocate their resources optimally between number and size of offspring. Although this fundamental life-history trade-off has been subject to long standing int...

    Authors: Eero Schroderus, Minna Koivula, Esa Koskela, Tapio Mappes, Tuula A Oksanen and Tanja Poikonen
    Citation: BMC Evolutionary Biology 2012 12:44
    Content type: Research article Published on:

  9. Sexual reproduction is common in eukaryotic microorganisms, with few species reproducing exclusively asexually. However, in some organisms, such as fungi, asexual reproduction alternates with episodic sexual r...

    Authors: Dounia Saleh, Joëlle Milazzo, Henri Adreit, Didier Tharreau and Elisabeth Fournier
    Citation: BMC Evolutionary Biology 2012 12:42
    Content type: Research article Published on:

  10. Although evolutionary models of cooperation build on the intuition that costs of the donor and benefits to the receiver are the most general fundamental parameters, it is largely unknown how they affect the de...

    Authors: Karin Schneeberger, Melanie Dietz and Michael Taborsky
    Citation: BMC Evolutionary Biology 2012 12:41
    Content type: Research article Published on:

  11. Rates of molecular evolution are known to vary across taxa and among genes, and this requires rate calibration for each specific dataset based on external information. Calibration is sensitive to evolutionary ...

    Authors: Carmelo Andújar, José Serrano and Jesús Gómez-Zurita
    Citation: BMC Evolutionary Biology 2012 12:40
    Content type: Research article Published on:

  12. Cetaceans (whales, dolphins and porpoises) are a group of adapted marine mammals with an enigmatic history of transition from terrestrial to full aquatic habitat and rapid radiation in waters around the world....

    Authors: Tong Shen, Shixia Xu, Xiaohong Wang, Wenhua Yu, Kaiya Zhou and Guang Yang
    Citation: BMC Evolutionary Biology 2012 12:39
    Content type: Research article Published on:

  13. For wide-ranging species, intraspecific variation can occur as a result of reproductive isolation from local adaptive differences or from physical barriers to movement. Cutthroat trout (Oncorhynchus clarkii), a w...

    Authors: Janet L Loxterman and Ernest R Keeley
    Citation: BMC Evolutionary Biology 2012 12:38
    Content type: Research article Published on:

  15. Xenarthra (sloths, armadillos and anteaters) represent one of four currently recognized Eutherian mammal supraorders. Some phylogenomic studies point to the possibility of Xenarthra being at the base of the Eu...

    Authors: Nathália F Azevedo, Marta Svartman, Andrea Manchester, Nádia de Moraes-Barros, Roscoe Stanyon and Angela M Vianna-Morgante
    Citation: BMC Evolutionary Biology 2012 12:36
    Content type: Research article Published on:

  16. House mice (Mus musculus) are commensals of humans and therefore their phylogeography can reflect human colonization and settlement patterns. Previous studies have linked the distribution of house mouse mitochond...

    Authors: EP Jones, K Skirnisson, TH McGovern, MTP Gilbert, E Willerslev and JB Searle
    Citation: BMC Evolutionary Biology 2012 12:35
    Content type: Research article Published on:

  17. For a long time the presence of respiratory proteins in most insects has been considered unnecessary. However, in recent years it has become evident that globins belong to the standard repertoire of the insect...

    Authors: Eva Gleixner, Holger Herlyn, Stefan Zimmerling, Thorsten Burmester and Thomas Hankeln
    Citation: BMC Evolutionary Biology 2012 12:34
    Content type: Research article Published on:

  19. Cardiolipin (CL) is an important component in mitochondrial inner and bacterial membranes. Its appearance in these two biomembranes has been considered as evidence of the endosymbiotic origin of mitochondria. ...

    Authors: Hai-Feng Tian, Jin-Mei Feng and Jian-Fan Wen
    Citation: BMC Evolutionary Biology 2012 12:32
    Content type: Research article Published on:

  20. Pseudoscorpions are chelicerates and have historically been viewed as being most closely related to solifuges, harvestmen, and scorpions. No mitochondrial genomes of pseudoscorpions have been published, but th...

    Authors: Sergey Ovchinnikov and Susan E Masta
    Citation: BMC Evolutionary Biology 2012 12:31
    Content type: Research article Published on:

  21. Hydrocharitaceae is a fully aquatic monocot family, consists of 18 genera with approximately 120 species. The family includes both fresh and marine aquatics and exhibits great diversity in form and habit inclu...

    Authors: Ling-Yun Chen, Jin-Ming Chen, Robert Wahiti Gituru and Qing-Feng Wang
    Citation: BMC Evolutionary Biology 2012 12:30
    Content type: Research article Published on:

  22. Morphostasis of traits in different species is necessary for reconstructing the evolutionary history of complex characters. Studies that place these species into a molecular phylogenetic context test hypothese...

    Authors: Aika Yamaguchi, Naoji Yubuki and Brian S Leander
    Citation: BMC Evolutionary Biology 2012 12:29
    Content type: Research article Published on:

  24. Although the vertebrate skeleton arose in the sea 500 million years ago, our understanding of the molecular fingerprints of chondrocytes and osteoblasts may be biased because it is informed mainly by research ...

    Authors: B Frank Eames, Angel Amores, Yi-Lin Yan and John H Postlethwait
    Citation: BMC Evolutionary Biology 2012 12:27
    Content type: Research article Published on:

  25. Baetis harrisoni Barnard is a mayfly frequently encountered in river studies across Africa, but the external morphological features used for identifying nymphs have been observed to vary subtly between different ...

    Authors: Lyndall L Pereira-da-Conceicoa, Benjamin W Price, Helen M Barber-James, Nigel P Barker, Ferdy C de Moor and Martin H Villet
    Citation: BMC Evolutionary Biology 2012 12:26
    Content type: Research article Published on:

  26. In the laboratory, the Drosophila melanogaster heat shock protein Hsp90 can buffer the phenotypic effects of genetic variation. Laboratory experiments either manipulate Hsp90 activity pharmacologically, or they i...

    Authors: Bing Chen and Andreas Wagner
    Citation: BMC Evolutionary Biology 2012 12:25
    Content type: Research article Published on:

  27. The trans-Atlantic slave trade dramatically changed the demographic makeup of the New World, with varying regions of the African coast exploited differently over roughly a 400 year period. When compared to the...

    Authors: Michael L Deason, Antonio Salas, Simon P Newman, Vincent A Macaulay, Errol Y st A Morrison and Yannis P Pitsiladis
    Citation: BMC Evolutionary Biology 2012 12:24
    Content type: Research article Published on:

  28. Robust species delimitations are fundamental for conservation, evolutionary, and systematic studies, but they can be difficult to estimate, particularly in rapid and recent radiations. The consensus that speci...

    Authors: Christine D Bacon, Miles J McKenna, Mark P Simmons and Warren L Wagner
    Citation: BMC Evolutionary Biology 2012 12:23
    Content type: Research article Published on:

  29. Plasmodium vivax is the most widely distributed human malaria parasite outside of Africa, and its range extends well into the temperate zones. Previous studies provided evidence for vivax population differentiati...

    Authors: Miao Miao, Zhaoqing Yang, Harland Patch, Yaming Huang, Ananias A Escalante and Liwang Cui
    Citation: BMC Evolutionary Biology 2012 12:22
    Content type: Research article Published on:

  30. The origin and modification of novel traits are important aspects of biological diversification. Studies combining concepts and approaches of developmental genetics and evolutionary biology have uncovered many...

    Authors: Leila T Shirai, Suzanne V Saenko, Roberto A Keller, Maria A Jerónimo, Paul M Brakefield, Henri Descimon, Niklas Wahlberg and Patrícia Beldade
    Citation: BMC Evolutionary Biology 2012 12:21
    Content type: Research article Published on:

  31. In mammals, males typically have shorter lives than females. This difference is thought to be due to behavioural traits which enhance competitive abilities, and hence male reproductive success, but impair surv...

    Authors: Helmut Schaschl, Franz Suchentrunk, David L Morris, Hichem Ben Slimen, Steve Smith and Walter Arnold
    Citation: BMC Evolutionary Biology 2012 12:20
    Content type: Research article Published on:

  32. Oxygen transport in the hemolymph of many arthropod species is facilitated by large copper-proteins referred to as hemocyanins. Arthropod hemocyanins are hexamers or oligomers of hexamers, which are characteri...

    Authors: Peter Rehm, Christian Pick, Janus Borner, Jürgen Markl and Thorsten Burmester
    Citation: BMC Evolutionary Biology 2012 12:19
    Content type: Research article Published on:

  33. One of the big remaining challenges in evolutionary biology is to understand the evolution and maintenance of meiotic recombination. As recombination breaks down successful genotypes, it should be selected for...

    Authors: Niels AG Kerstes, Camillo Bérénos, Paul Schmid-Hempel and K Mathias Wegner
    Citation: BMC Evolutionary Biology 2012 12:18
    Content type: Research article Published on:

  34. The Ampelopsis clade (Ampelopsis and its close allies) of the grape family Vitaceae contains ca. 43 species disjunctly distributed in Asia, Europe, North America, South America, Africa, and Australia, and is a ra...

    Authors: Ze-Long Nie, Hang Sun, Steven R Manchester, Ying Meng, Quentin Luke and Jun Wen
    Citation: BMC Evolutionary Biology 2012 12:17
    Content type: Research article Published on:

  35. The degree to which loud-calls in nonhuman primates can be used as a reliable taxonomic tool is the subject of ongoing debate. A recent study on crested gibbons showed that these species can be well distinguis...

    Authors: Dirk Meyer, John K Hodges, Dones Rinaldi, Ambang Wijaya, Christian Roos and Kurt Hammerschmidt
    Citation: BMC Evolutionary Biology 2012 12:16
    Content type: Research article Published on:

  36. Seed storage proteins are a major source of dietary protein, and the content of such proteins determines both the quantity and quality of crop yield. Significantly, examination of the protein content in the se...

    Authors: Chun Li, Meng Li, Jim M Dunwell and Yuan-Ming Zhang
    Citation: BMC Evolutionary Biology 2012 12:15
    Content type: Research article Published on:

  37. The pronounced morphological conservatism within Tarentola geckos contrasted with a high genetic variation in North Africa, has led to the hypothesis that this group could represent a cryptic species complex, a c...

    Authors: Catarina Rato, Salvador Carranza and David J Harris
    Citation: BMC Evolutionary Biology 2012 12:14
    Content type: Research article Published on:

  38. The entire evolutionary history of life can be studied using myriad sequences generated by genomic research. This includes the appearance of the first cells and of superkingdoms Archaea, Bacteria, and Eukarya....

    Authors: Kyung Mo Kim and Gustavo Caetano-Anollés
    Citation: BMC Evolutionary Biology 2012 12:13
    Content type: Research article Published on:

  39. Cyclical parthenogenetic water fleas of the genus Daphnia have become a prominent model organism in ecology and evolution. In the past, analyses of their population structure have been limited by the prevailing u...

    Authors: Mingbo Yin, Adam Petrusek, Jaromir Seda and Justyna Wolinska
    Citation: BMC Evolutionary Biology 2012 12:12
    Content type: Research article Published on:

  40. Host-parasite coevolution can lead to local adaptation of either parasite or host if there is specificity (GxG interactions) and asymmetric evolutionary potential between host and parasite. This has been demon...

    Authors: Camillo Bérénos, Paul Schmid-Hempel and K Mathias Wegner
    Citation: BMC Evolutionary Biology 2012 12:11
    Content type: Research article Published on:

  42. Cave animals converge evolutionarily on a suite of troglomorphic traits, the best known of which are eyelessness and depigmentation. We studied 11 cave and 10 surface populations of Astyanax mexicanus in order to...

    Authors: Martina Bradic, Peter Beerli, Francisco J García-de León, Sarai Esquivel-Bobadilla and Richard L Borowsky
    Citation: BMC Evolutionary Biology 2012 12:9
    Content type: Research article Published on:

  43. Comparative genomics can inform us about the processes of mutation and selection across diverse taxa. Among seed plants, gymnosperms have been lacking in genomic comparisons. Recent EST and full-length cDNA co...

    Authors: Emmanuel Buschiazzo, Carol Ritland, Jörg Bohlmann and Kermit Ritland
    Citation: BMC Evolutionary Biology 2012 12:8
    Content type: Research article Published on:

  44. Elucidating the selective and neutral forces underlying molecular evolution is fundamental to understanding the genetic basis of adaptation. Plants have evolved a suite of adaptive responses to cope with varia...

    Authors: Lino Ometto, Mingai Li, Luisa Bresadola and Claudio Varotto
    Citation: BMC Evolutionary Biology 2012 12:7
    Content type: Research article Published on:

  45. Protein domains are the structural, functional and evolutionary units of the protein. Protein domain architectures are the linear arrangements of domain(s) in individual proteins. Although the evolutionary his...

    Authors: Xue-Cheng Zhang, Zheng Wang, Xinyan Zhang, Mi Ha Le, Jianguo Sun, Dong Xu, Jianlin Cheng and Gary Stacey
    Citation: BMC Evolutionary Biology 2012 12:6
    Content type: Research article Published on:

  47. Recent studies of the tick saliva transcriptome have revealed the profound role of salivary proteins in blood feeding. Kunitz/BPTI proteins are abundant in the salivary glands of ticks and perform multiple fun...

    Authors: Shao-Xing Dai, Ai-Di Zhang and Jing-Fei Huang
    Citation: BMC Evolutionary Biology 2012 12:4
    Content type: Research article Published on:

  48. The coevolution of male traits and female mate preferences has led to the elaboration and diversification of sexually selected traits; however the mechanisms that mediate trait-preference coevolution are large...

    Authors: Matthew B Toomey and Kevin J McGraw
    Citation: BMC Evolutionary Biology 2012 12:3
    Content type: Research article Published on:

  49. Species complexes or aggregates consist of a set of closely related species often of different ploidy levels, whose relationships are difficult to reconstruct. The N Hemisphere Achillea millefolium aggregate exhi...

    Authors: Yan-Ping Guo, Shuai-Zhen Wang, Claus Vogl and Friedrich Ehrendorfer
    Citation: BMC Evolutionary Biology 2012 12:2
    Content type: Research article Published on:

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