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  1. Pre-zygotic barriers often involve some form of sexual selection, usually interpreted as female choice, as females are typically the choosier sex. However, males typically show some mate preferences, which are...

    Authors: Luana S Maroja, Zachary M McKenzie, Elizabeth Hart, Joy Jing, Erica L Larson and David P Richardson
    Citation: BMC Evolutionary Biology 2014 14:65
    Content type: Research article Published on:

  5. Hybridization, the interbreeding of diagnosably divergent species, is a major focus in evolutionary studies. Eels, both from North America and Europe migrate through the Atlantic to mate in a vast, overlapping...

    Authors: Sébastien Wielgoss, Aude Gilabert, Axel Meyer and Thierry Wirth
    Citation: BMC Evolutionary Biology 2014 14:61
    Content type: Research article Published on:

  6. Across heterogeneous environments selection and gene flow interact to influence the rate and extent of adaptive trait evolution. This complex relationship is further influenced by the rarely considered role of...

    Authors: Lizelle J Odendaal, David S Jacobs and Jacqueline M Bishop
    Citation: BMC Evolutionary Biology 2014 14:60
    Content type: Research article Published on:

  7. Numerous studies have investigated cospeciation (or cophylogeny) in various host-symbiont systems, and different patterns were inferred, from strict cospeciation where symbiont phylogeny mirrors host phylogeny...

    Authors: Laure Bellec, Camille Clerissi, Roseline Edern, Elodie Foulon, Nathalie Simon, Nigel Grimsley and Yves Desdevises
    Citation: BMC Evolutionary Biology 2014 14:59
    Content type: Research article Published on:

  8. Efficient venom delivery systems are known to occur only in varanoid lizards and advanced colubroidean snakes among squamate reptiles. Although components of these venomous systems might have been present in a...

    Authors: Hussam Zaher, Leonardo de Oliveira, Felipe G Grazziotin, Michelle Campagner, Carlos Jared, Marta M Antoniazzi and Ana L Prudente
    Citation: BMC Evolutionary Biology 2014 14:58
    Content type: Research article Published on:

  9. Debate continues as to whether allopatric speciation or peripatric speciation through a founder effect is the predominant force driving evolution in vertebrates. The mouse lemurs of Madagascar are a system in ...

    Authors: Christopher Blair, Kellie L Heckman, Amy L Russell and Anne D Yoder
    Citation: BMC Evolutionary Biology 2014 14:57
    Content type: Research article Published on:

  11. The oriental fruit fly, Bactrocera dorsalis s.s., is one of the most important quarantine pests in many countries, including China. Although the oriental fruit fly has been investigated extensively, its origins a...

    Authors: Zhong-Zhen Wu, Hong-Mei Li, Shu-Ying Bin, Jun Ma, Hua-Liang He, Xian-Feng Li, Fei-Liang Gong and Jin-Tian Lin
    Citation: BMC Evolutionary Biology 2014 14:55
    Content type: Research article Published on:

  12. Functionality of the tetrameric hemoglobin molecule seems to be determined by a few amino acids located in key positions. Oxygen binding encompasses structural changes at the interfaces between the α1β2 and α2...

    Authors: Øivind Andersen, Maria Cristina De Rosa, Prakash Yadav, Davide Pirolli, Jorge MO Fernandes, Paul R Berg, Sissel Jentoft and Carl Andrè
    Citation: BMC Evolutionary Biology 2014 14:54
    Content type: Research article Published on:

  13. Pollen donor compositions differ during the early stages of reproduction due to various selection mechanisms. In addition, ovules linearly ordered within a fruit have different probabilities of reaching maturi...

    Authors: Cun-Quan Yuan, Yu-Han Sun, Yun-Fei Li, Ke-Qi Zhao, Rui-Yang Hu and Yun Li
    Citation: BMC Evolutionary Biology 2014 14:53
    Content type: Research article Published on:

  14. Despite considerable progress in systematics, a comprehensive scenario of the evolution of phenotypic characters in the mega-diverse Holometabola based on a solid phylogenetic hypothesis was still missing. We ...

    Authors: Ralph S Peters, Karen Meusemann, Malte Petersen, Christoph Mayer, Jeanne Wilbrandt, Tanja Ziesmann, Alexander Donath, Karl M Kjer, Ulrike Aspöck, Horst Aspöck, Andre Aberer, Alexandros Stamatakis, Frank Friedrich, Frank Hünefeld, Oliver Niehuis, Rolf G Beutel…
    Citation: BMC Evolutionary Biology 2014 14:52
    Content type: Research article Published on:

  16. The existence of introns in eukaryotic genes is believed to provide an evolutionary advantage by increasing protein diversity through exon shuffling and alternative splicing. However, this eukaryotic feature i...

    Authors: Olga Gorlova, Alexey Fedorov, Christopher Logothetis, Christopher Amos and Ivan Gorlov
    Citation: BMC Evolutionary Biology 2014 14:50
    Content type: Research article Published on:

  17. Because of their fragmented nature, inselberg species are interesting biological models for studying the genetic consequences of disjoint populations. Inselbergs are commonly compared with oceanic islands, as ...

    Authors: Fábio Pinheiro, Salvatore Cozzolino, David Draper, Fábio de Barros, Leonardo P Félix, Michael F Fay and Clarisse Palma-Silva
    Citation: BMC Evolutionary Biology 2014 14:49
    Content type: Research article Published on:

  18. Poecilimon and Isophya are the largest genera of the tribe Barbitistini and among the most systematically complicated and evolutionarily intriguing groups of Palearctic tettigoniids. We examined the genomic organ...

    Authors: Beata Grzywacz, Dragan P Chobanov, Anna Maryańska-Nadachowska, Tatyana V Karamysheva, Klaus-Gerhard Heller and Elżbieta Warchałowska-Śliwa
    Citation: BMC Evolutionary Biology 2014 14:48
    Content type: Research article Published on:

  19. It is often proposed that females should select genetically dissimilar mates to maximize offspring genetic diversity and avoid inbreeding. Several recent studies have provided mixed evidence, however, and in s...

    Authors: Coraline Bichet, Dustin J Penn, Yoshan Moodley, Luc Dunoyer, Elise Cellier-Holzem, Marie Belvalette, Arnaud Grégoire, Stéphane Garnier and Gabriele Sorci
    Citation: BMC Evolutionary Biology 2014 14:47
    Content type: Research article Published on:

  20. Animals use environmental information to make developmental decisions to maximise their fitness. The nematode Caenorhabditis elegans measures its environment to decide between arresting development as dauer larva...

    Authors: Sylvia Anaid Diaz, Vincent Brunet, Guy C Lloyd-Jones, William Spinner, Barney Wharam and Mark Viney
    Citation: BMC Evolutionary Biology 2014 14:46
    Content type: Research article Published on:

  21. The genetic and physiological pathways regulating behavior in solitary species are hypothesized to have been co-opted to regulate social behavior in social species. One classic example is the interaction betwe...

    Authors: Etya Amsalem, Osnat Malka, Christina Grozinger and Abraham Hefetz
    Citation: BMC Evolutionary Biology 2014 14:45
    Content type: Research article Published on:

  22. The phylogenetic relationships of many taxa remain poorly known because of a lack of appropriate data and/or analyses. Despite substantial recent advances, amphibian phylogeny remains poorly resolved in many i...

    Authors: Karen Siu-Ting, David J Gower, Davide Pisani, Roman Kassahun, Fikirte Gebresenbet, Michele Menegon, Abebe A Mengistu, Samy A Saber, Rafael de Sá, Mark Wilkinson and Simon P Loader
    Citation: BMC Evolutionary Biology 2014 14:44
    Content type: Research article Published on:

  23. Interactions with pollinators are proposed to be one of the major drivers of diversity in angiosperms. Specialised interactions with pollinators can lead to specialised floral traits, which collectively are kn...

    Authors: Alicia Toon, Lyn G Cook and Michael D Crisp
    Citation: BMC Evolutionary Biology 2014 14:43
    Content type: Research article Published on:

  24. The formation of the East African Rift System has decisively influenced the distribution and evolution of tropical Africa’s biota by altering climate conditions, by creating basins for large long-lived lakes, ...

    Authors: Roland Schultheiß, Bert Van Bocxlaer, Frank Riedel, Thomas von Rintelen and Christian Albrecht
    Citation: BMC Evolutionary Biology 2014 14:42
    Content type: Research article Published on:

  25. In East Asia, an increasing number of studies on temperate forest tree species find evidence for migration and gene exchange across the East China Sea (ECS) land bridge up until the last glacial maximum (LGM)....

    Authors: Xin-Shuai Qi, Na Yuan, Hans Peter Comes, Shota Sakaguchi and Ying-Xiong Qiu
    Citation: BMC Evolutionary Biology 2014 14:41
    Content type: Research article Published on:

  26. The red brocket deer, Mazama americana, has at least six distinct karyotypes in different regions of South America that suggest the existence of various species that are today all referred to as M. americana. Fro...

    Authors: Marina Suzuki Cursino, Maurício Barbosa Salviano, Vanessa Veltrini Abril, Eveline dos Santos Zanetti and José Maurício Barbanti Duarte
    Citation: BMC Evolutionary Biology 2014 14:40
    Content type: Research article Published on:

  28. Traditional morphological and biological species concepts are difficult to apply to closely related, asexual taxa because of the lack of an active sexual phase and paucity of morphological characters. Phylogen...

    Authors: Jane E Stewart, Lavern W Timmer, Christopher B Lawrence, Barry M Pryor and Tobin L Peever
    Citation: BMC Evolutionary Biology 2014 14:38
    Content type: Research article Published on:

  29. The evolution of oogamy from isogamy, an important biological event, can be summarized as follows: morphologically similar gametes (isogametes) differentiated into small “male” and large “female” motile gamete...

    Authors: Hisayoshi Nozaki, Toshihiro K Yamada, Fumio Takahashi, Ryo Matsuzaki and Takashi Nakada
    Citation: BMC Evolutionary Biology 2014 14:37
    Content type: Research article Published on:

  30. Coevolution between pairs of different kind of entities, such as providers and users of information, involves reciprocal selection pressures between them as a consequence of their ecological interaction. Pied ...

    Authors: Olli J Loukola, Toni Laaksonen, Janne-Tuomas Seppänen and Jukka T Forsman
    Citation: BMC Evolutionary Biology 2014 14:32
    Content type: Research article Published on:

  31. Modern flamingos (Phoenicopteridae) occupy a highly specialized ecology unique among birds and represent a potentially powerful model system for informing the mechanisms by which a lineage of birds adapts and ...

    Authors: Chris R Torres, Lisa M Ogawa, Mark AF Gillingham, Brittney Ferrari and Marcel van Tuinen
    Citation: BMC Evolutionary Biology 2014 14:36
    Content type: Research article Published on:

  32. The GTPase eEF1A is the eukaryotic factor responsible for the essential, universal function of aminoacyl-tRNA delivery to the ribosome. Surprisingly, eEF1A is not universally present in eukaryotes, being repla...

    Authors: Gemma C Atkinson, Anton Kuzmenko, Ivan Chicherin, Axel Soosaar, Tanel Tenson, Martin Carr, Piotr Kamenski and Vasili Hauryliuk
    Citation: BMC Evolutionary Biology 2014 14:35
    Content type: Research article Published on:

  33. The glaciation cycles that occurred throughout the Pleistocene in western North America caused frequent shifts in species’ ranges with important implications for models of species divergence. For example, long...

    Authors: Emily M Rubidge, James L Patton and Craig Moritz
    Citation: BMC Evolutionary Biology 2014 14:34
    Content type: Research article Published on:

  34. Phytomyxids (plasmodiophorids and phagomyxids) are cosmopolitan, obligate biotrophic protist parasites of plants, diatoms, oomycetes and brown algae. Plasmodiophorids are best known as pathogens or vectors for...

    Authors: Sigrid Neuhauser, Martin Kirchmair, Simon Bulman and David Bass
    Citation: BMC Evolutionary Biology 2014 14:33
    Content type: Research article Published on:

  35. Spider silks are spectacular examples of phenotypic diversity arising from adaptive molecular evolution. An individual spider can produce an array of specialized silks, with the majority of constituent silk pr...

    Authors: R Crystal Chaw, Yonghui Zhao, Jie Wei, Nadia A Ayoub, Ryan Allen, Kirmanj Atrushi and Cheryl Y Hayashi
    Citation: BMC Evolutionary Biology 2014 14:31
    Content type: Research article Published on:

  36. The neuropeptide Kiss and its receptor KissR are key-actors in the brain control of reproduction in mammals, where they are responsible for the stimulation of the activity of GnRH neurones. Investigation in ot...

    Authors: Jérémy Pasquier, Anne-Gaëlle Lafont, Karine Rousseau, Bruno Quérat, Philippe Chemineau and Sylvie Dufour
    Citation: BMC Evolutionary Biology 2014 14:30
    Content type: Research article Published on:

  37. The Pomatiopsidae are reported from northern India into southern China and Southeast Asia, with two sub-families, the Pomatiopsinae (which include freshwater, amphibious, terrestrial and marine species) and th...

    Authors: Liang Liu, Guan-Nan Huo, Hong-Bin He, Benjiang Zhou and Stephen W Attwood
    Citation: BMC Evolutionary Biology 2014 14:29
    Content type: Research article Published on:

  38. Geographic barriers to gene flow and divergence among populations in sexual traits are two important causes of genetic isolation which may lead to speciation. Genetic isolation may be facilitated if these two ...

    Authors: Magdalena Herdegen, Heather J Alexander, Wiesław Babik, Jesús Mavárez, Felix Breden and Jacek Radwan
    Citation: BMC Evolutionary Biology 2014 14:28
    Content type: Research article Published on:

  39. Next-generation sequencing has provided a wealth of plastid genome sequence data from an increasingly diverse set of green plants (Viridiplantae). Although these data have helped resolve the phylogeny of numerous...

    Authors: Brad R Ruhfel, Matthew A Gitzendanner, Pamela S Soltis, Douglas E Soltis and J Gordon Burleigh
    Citation: BMC Evolutionary Biology 2014 14:23
    Content type: Research article Published on:

  40. The role of tectonic uplift in stimulating speciation in South Africa’s only alpine zone, the Drakensberg, has not been explicitly examined. Tectonic processes may influence speciation both through the creatio...

    Authors: Joanne Bentley, G Anthony Verboom and Nicola G Bergh
    Citation: BMC Evolutionary Biology 2014 14:27
    Content type: Research article Published on:

  42. Methionine adenosyltransferase (MAT) is a ubiquitous essential enzyme that, in eukaryotes, occurs in two relatively divergent paralogues: MAT and MATX. MATX has a punctate distribution across the tree of eukar...

    Authors: Jana Szabová, Naoji Yubuki, Brian S Leander, Richard E Triemer and Vladimír Hampl
    Citation: BMC Evolutionary Biology 2014 14:25
    Content type: Research article Published on:

  44. Currently many habitats suffer from quality loss due to environmental change. As a consequence, evolutionary trajectories might shift due to environmental effects and potentially increase extinction risk of re...

    Authors: Vera M Grazer, Marco Demont, Łukasz Michalczyk, Matthew JG Gage and Oliver Y Martin
    Citation: BMC Evolutionary Biology 2014 14:21
    Content type: Research article Published on:

  45. Cannibalism is widespread in both vertebrates and invertebrates but its extent is variable between and within species. Cannibalism depends on population density and nutritional conditions, and could be benefic...

    Authors: Ashraf Tayeh, Arnaud Estoup, Eric Lombaert, Thomas Guillemaud, Natalia Kirichenko, Lori Lawson-Handley, Patrick De Clercq and Benoît Facon
    Citation: BMC Evolutionary Biology 2014 14:15
    Content type: Research article Published on:

  46. Hybridization and polyploidy are central processes in evolution and speciation. These mechanisms often lead to complex patterns of genetic variation and the creation of novel genotypes, which may establish if ...

    Authors: Isabel Marques, David Draper, Lorena Riofrío and Carlos Naranjo
    Citation: BMC Evolutionary Biology 2014 14:20
    Content type: Research article Published on:

  47. Although it is possible to recover the complete mitogenome directly from shotgun sequencing data, currently reported methods and pipelines are still relatively time consuming and costly. Using a sample of the ...

    Authors: Han Ming Gan, Mark B Schultz and Christopher M Austin
    Citation: BMC Evolutionary Biology 2014 14:19
    Content type: Research article Published on:

  48. The population genetic structure of a parasite, and consequently its ability to adapt to a given host, is strongly linked to its own life history as well as the life history of its host. While the effects of p...

    Authors: Jaap van Schaik, Gerald Kerth, Nadia Bruyndonckx and Philippe Christe
    Citation: BMC Evolutionary Biology 2014 14:18
    Content type: Research article Published on:

  49. The editors of BMC Evolutionary Biology would like to thank all our reviewers who have contributed to the journal in Volume 13 (2013).

    Authors: Christopher Foote
    Citation: BMC Evolutionary Biology 2014 14:22
    Content type: Reviewer acknowledgement Published on:

  50. Myanmar is the largest country in mainland Southeast Asia with a population of 55 million people subdivided into more than 100 ethnic groups. Ruled by changing kingdoms and dynasties and lying on the trade rou...

    Authors: Monika Summerer, Jürgen Horst, Gertraud Erhart, Hansi Weißensteiner, Sebastian Schönherr, Dominic Pacher, Lukas Forer, David Horst, Angelika Manhart, Basil Horst, Torpong Sanguansermsri and Anita Kloss-Brandstätter
    Citation: BMC Evolutionary Biology 2014 14:17
    Content type: Research article Published on:

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