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  1. Content type: Research article

    The ancient Lake Baikal is characterized by an outstanding diversity of endemic faunas with more than 350 amphipod species and subspecies. We determined the genetic diversity within the endemic littoral amphip...

    Authors: Anton Gurkov, Lorena Rivarola-Duarte, Daria Bedulina, Irene Fernández Casas, Hendrik Michael, Polina Drozdova, Anna Nazarova, Ekaterina Govorukhina, Maxim Timofeyev, Peter F. Stadler and Till Luckenbach

    Citation: BMC Evolutionary Biology 2019 19:138

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  2. Content type: Research article

    Previously, we have demonstrated that genes involved in ovarian function are highly conserved throughout evolution. In this study, we aimed to document the conservation of genes involved in spermatogenesis fro...

    Authors: Sophie Fouchécourt, Floriane Picolo, Sébastien Elis, Charlotte Lécureuil, Aurore Thélie, Marina Govoroun, Mégane Brégeon, Pascal Papillier, Jean-Jacques Lareyre and Philippe Monget

    Citation: BMC Evolutionary Biology 2019 19:137

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  3. Content type: Research article

    Nuclear progesterone receptor (nPR) is an evolutionary innovation in vertebrates that mediates genomic responses to progesterone. Vertebrates also respond to progesterone via membrane progesterone receptors (m...

    Authors: Jianfeng Ren, Yu-Wen Chung-Davidson, Liang Jia and Weiming Li

    Citation: BMC Evolutionary Biology 2019 19:136

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  4. Content type: Research article

    Speciation with gene flow is an alternative to the nascence of new taxa in strict allopatric separation. Indeed, many taxa have parapatric distributions at present. It is often unclear if these are secondary c...

    Authors: Xuejing Wang, Pinjia Que, Gerald Heckel, Junhua Hu, Xuecong Zhang, Chung-Yu Chiang, Nan Zhang, Qin Huang, Simin Liu, Jonathan Martinez, Emilio Pagani-Núñez, Caroline Dingle, Yu Yan Leung, Tamás Székely, Zhengwang Zhang and Yang Liu

    Citation: BMC Evolutionary Biology 2019 19:135

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  5. Content type: Research article

    Current patterns of population genetic variation may have been shaped by long-term evolutionary history and contemporary demographic processes. Understanding the underlying mechanisms that yield those patterns...

    Authors: Weiran Wang, Yitao Zheng, Jindong Zhao and Meng Yao

    Citation: BMC Evolutionary Biology 2019 19:134

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  6. Content type: Methodology article

    The evolutionary probability (EP) of an allele in a DNA or protein sequence predicts evolutionarily permissible (ePerm; EP ≥ 0.05) and forbidden (eForb; EP < 0.05) variants. EP of an allele represents an indep...

    Authors: Ravi Patel and Sudhir Kumar

    Citation: BMC Evolutionary Biology 2019 19:133

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  7. Content type: Research article

    The emergence of antimicrobial-resistant (AMR) strains of the important human and animal pathogen Salmonella enterica poses a growing threat to public health. Here, we studied the genome-wide evolution of 90 S. e...

    Authors: Jingqiu Liao, Renato Hohl Orsi, Laura M. Carroll, Jasna Kovac, Hongyu Ou, Hailong Zhang and Martin Wiedmann

    Citation: BMC Evolutionary Biology 2019 19:132

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  8. Content type: Research article

    A decade ago, the mixed reproductive strategy Asexual Queen Succession (AQS) was first described in termites. In AQS species, the workers, soldiers and dispersing reproductives are produced through sexual repr...

    Authors: Simon Hellemans, Klára Dolejšová, Jan Křivánek, Denis Fournier, Robert Hanus and Yves Roisin

    Citation: BMC Evolutionary Biology 2019 19:131

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  9. Content type: Research article

    Predicted genetic consequences of asexuality include high intraindividual genetic diversity (i.e., the Meselson effect) and accumulation of deleterious mutations (i.e., Muller’s Ratchet), among others. These c...

    Authors: Laia Leria, Miquel Vila-Farré, Eduard Solà and Marta Riutort

    Citation: BMC Evolutionary Biology 2019 19:130

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  10. Content type: Research article

    Substrate cross-feeding occurs when one organism partially consumes a primary substrate into one or more metabolites while other organisms then consume the metabolites. While pervasive within microbial communi...

    Authors: Elin E. Lilja and David R. Johnson

    Citation: BMC Evolutionary Biology 2019 19:129

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  11. Content type: Research article

    The hypothesis that vertebrates have experienced two ancient, whole genome duplications (WGDs) is of central interest to evolutionary biology and has been implicated in evolution of developmental complexity. T...

    Authors: Nashaiman Pervaiz, Nazia Shakeel, Ayesha Qasim, Rabail Zehra, Saneela Anwar, Neenish Rana, Yongbiao Xue, Zhang Zhang, Yiming Bao and Amir Ali Abbasi

    Citation: BMC Evolutionary Biology 2019 19:128

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  12. Content type: Research article

    Studying variation in life-history traits and correlated behaviours, such as boldness and foraging (i.e., pace-of-life syndrome), allows us to better understand how these traits evolve in a changing environmen...

    Authors: Beatriz Diaz Pauli, Sarah Garric, Charlotte Evangelista, L. Asbjørn Vøllestad and Eric Edeline

    Citation: BMC Evolutionary Biology 2019 19:127

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  13. Content type: Research article

    L-ascorbate (Vitamin C) is an important antioxidant and co-factor in eukaryotic cells, and in mammals it is indispensable for brain development and cognitive function. Vertebrates usually become L-ascorbate au...

    Authors: Sílvia F. Henriques, Pedro Duque, Hugo López-Fernández, Noé Vázquez, Florentino Fdez-Riverola, Miguel Reboiro-Jato, Cristina P. Vieira and Jorge Vieira

    Citation: BMC Evolutionary Biology 2019 19:126

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  14. Content type: Research article

    The classification of the family Psilotrichidae, a curious group of ciliated protists with unique morphological and ontogenetic features, is ambiguous and poorly understood particularly due to the lack of mole...

    Authors: Xiaotian Luo, Jie A. Huang, Lifang Li, Weibo Song and William A. Bourland

    Citation: BMC Evolutionary Biology 2019 19:125

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  15. Content type: Research article

    Mycobacteria occupy various ecological niches and can be isolated from soil, tap water and ground water. Several cause diseases in humans and animals. To get deeper insight into our understanding of mycobacter...

    Authors: Phani Rama Krishna Behra, B. M. Fredrik Pettersson, Sarbashis Das, Santanu Dasgupta and Leif A. Kirsebom

    Citation: BMC Evolutionary Biology 2019 19:124

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  16. Content type: Research article

    Several genetic lineages of obligate parthenogenetic Daphnia pulex, a common zooplankton species, have invaded Japan from North America. Among these, a lineage named JPN1 is thought to have started colonization a...

    Authors: Xiaofei Tian, Hajime Ohtsuki and Jotaro Urabe

    Citation: BMC Evolutionary Biology 2019 19:122

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  17. Content type: Research article

    Nematodes are among the most diverse and abundant metazoans on Earth, but research on them has been biased toward parasitic taxa and model organisms. Free-living nematodes, particularly from the clades Enoplia...

    Authors: Ashleigh B. Smythe, Oleksandr Holovachov and Kevin M. Kocot

    Citation: BMC Evolutionary Biology 2019 19:121

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  18. Content type: Research article

    Volvocine algae provide a suitable model for investigation of the evolution of multicellular organisms. Within this group, evolution of the body plan from flattened to spheroidal colonies is thought to have oc...

    Authors: Shota Yamashita and Hisayoshi Nozaki

    Citation: BMC Evolutionary Biology 2019 19:120

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  19. Content type: Research article

    The evolution of male pregnancy is the most distinctive characteristic of syngnathids, and their specialized life history traits make syngnathid species excellent model species for many issues in biological ev...

    Authors: Xin Wang, Yanhong Zhang, Huixian Zhang, Geng Qin and Qiang Lin

    Citation: BMC Evolutionary Biology 2019 19:119

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  20. Content type: Research article

    There is a biogeographic break located at 30°S in the southeast Pacific, in a coastal area of strong environmental discontinuities. Several marine benthic taxa with restricted dispersal have a coincident phylo...

    Authors: Pilar A. Haye, Nicolás I. Segovia, Andrea I. Varela, Rodrigo Rojas, Marcelo M. Rivadeneira and Martin Thiel

    Citation: BMC Evolutionary Biology 2019 19:118

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  21. Content type: Research article

    The branchiostegal series consists of an alignment of bony elements in the posterior portion of the skull of osteichthyan vertebrates. We trace the evolution of the number of elements in a comprehensive survey...

    Authors: Eduardo Ascarrunz, Marcelo R. Sánchez-Villagra, Ricardo Betancur-R and Michel Laurin

    Citation: BMC Evolutionary Biology 2019 19:117

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  22. Content type: Research article

    Our ability to investigate processes shaping the evolutionary diversification of corals (Cnidaria: Anthozoa) is limited by a lack of understanding of species boundaries. Discerning species of corals has been c...

    Authors: Andrea M. Quattrini, Tiana Wu, Keryea Soong, Ming-Shiou Jeng, Yehuda Benayahu and Catherine S. McFadden

    Citation: BMC Evolutionary Biology 2019 19:116

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  23. Content type: Research article

    The Qinghai-Tibetan Plateau (QTP) is the world’s highest and largest plateau, but the role of its uplift in the evolution of species or biotas still remains poorly known. Toad-headed lizards of the reproductiv...

    Authors: Chao-Chao Hu, Yan-Qing Wu, Li Ma, Yi-Jing Chen and Xiang Ji

    Citation: BMC Evolutionary Biology 2019 19:114

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  24. Content type: Research article

    The Taklimakan Desert in China is characterized by unique geological and historical dynamics and endemic flora and fauna, but the influence of historical climate oscillations on the evolutionary history of end...

    Authors: Brawin Kumar, Jilong Cheng, Deyan Ge, Lin Xia and Qisen Yang

    Citation: BMC Evolutionary Biology 2019 19:113

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  25. Content type: Research article

    A major focus of evolutionary biology is the formation of reproductive barriers leading to divergence and ultimately, speciation. Often, it is not clear whether the separation of populations is complete or if ...

    Authors: Pnina Cohen and Eyal Privman

    Citation: BMC Evolutionary Biology 2019 19:111

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  26. Content type: Research article

    Lodgepole pine (Pinus contorta) and interior spruce (Picea glauca, Picea engelmannii, and their hybrids) are distantly related conifer species. Previous studies identified 47 genes containing variants associated ...

    Authors: Mengmeng Lu, Kathryn A. Hodgins, Jon C. Degner and Sam Yeaman

    Citation: BMC Evolutionary Biology 2019 19:110

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  27. Content type: Research article

    Male genitals have repeatedly evolved left-right asymmetries, and the causes of such evolution remain unclear. The Drosophila nannoptera group contains four species, among which three exhibit left-right asymmetri...

    Authors: Andrea E. Acurio, Flor T. Rhebergen, Sarah Paulus, Virginie Courtier-Orgogozo and Michael Lang

    Citation: BMC Evolutionary Biology 2019 19:109

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  28. Content type: Research article

    Avian avulavirus (commonly known as avian paramyxovirus-1 or APMV-1) can cause disease of varying severity in both domestic and wild birds. Understanding how viruses move among hosts and geography would be use...

    Authors: Joseph T. Hicks, Kiril M. Dimitrov, Claudio L. Afonso, Andrew M. Ramey and Justin Bahl

    Citation: BMC Evolutionary Biology 2019 19:108

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  29. Content type: Research article

    In the arms race between hosts and parasites, genes involved in the immune response are targets for natural selection. Toll-Like Receptor (TLR) genes play a role in parasite detection as part of the innate imm...

    Authors: Jennifer Antonides, Samarth Mathur, Mekala Sundaram, Robert Ricklefs and J. Andrew DeWoody

    Citation: BMC Evolutionary Biology 2019 19:107

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  30. Content type: Research article

    Sparid fishes of the genus Diplodus show a complex life history. Juveniles have adaptations well suited to life in the water column. When fishes recruit into the adult population, individuals develop a radically ...

    Authors: Paolo Colangelo, Daniele Ventura, Paolo Piras, Jacopo Pagani Guazzugli Bonaiuti and Giandomenico Ardizzone

    Citation: BMC Evolutionary Biology 2019 19:106

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  31. Content type: Research article

    The Pleistocene cyclic sea-level fluctuations are thought to have markedly affected the distribution and genetic architecture of Atlanto-Mediterranean biota. Despite the acknowledged key role played by these h...

    Authors: Temim Deli, Christina Kiel and Christoph D. Schubart

    Citation: BMC Evolutionary Biology 2019 19:105

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  32. Content type: Research article

    The Psittaciformes (parrots and cockatoos) are characterised by their large beaks, and are renowned for their ability to produce high bite forces. These birds also possess a suite of modifications to their cra...

    Authors: Jen A. Bright, Jesús Marugán-Lobón, Emily J. Rayfield and Samuel N. Cobb

    Citation: BMC Evolutionary Biology 2019 19:104

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  33. Content type: Research article

    The S100A7 gene, also called psoriasin, was first described as an upregulated protein in psoriatic skin. For the past years, the importance of this protein as a key effector of innate immunity has been clearly es...

    Authors: Ana Águeda-Pinto, L. Filipe C. Castro and Pedro J. Esteves

    Citation: BMC Evolutionary Biology 2019 19:102

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  34. Content type: Correction

    After publication of the original article [1], the authors have notified us that the incorrect version of Fig. 4 was used. Below you can find the both incorrect and correct versions of the figure.

    Authors: Agnes Piecyk, Olivia Roth and Martin Kalbe

    Citation: BMC Evolutionary Biology 2019 19:101

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    The original article was published in BMC Evolutionary Biology 2019 19:80

  35. Content type: Research article

    Cellulose, a major polysaccharide of the plant cell wall, consists of β-1,4-linked glucose moieties forming a molecular network recalcitrant to enzymatic breakdown. Although cellulose is potentially a rich sou...

    Authors: André Busch, Etienne G. J. Danchin and Yannick Pauchet

    Citation: BMC Evolutionary Biology 2019 19:100

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  36. Content type: Research article

    RNA interference (RNAi) related pathways provide defense against viruses and transposable elements, and have been implicated in the suppression of meiotic drive elements. Genes in these pathways often exhibit ...

    Authors: Danang Crysnanto and Darren J. Obbard

    Citation: BMC Evolutionary Biology 2019 19:99

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  37. Content type: Research article

    The Micronycterinae form a subfamily of leaf-nosed bats (Phyllostomidae) that contains the genera Lampronycteris Sanborn, 1949, and Micronycteris Gray, 1866 (stricto sensu), and is characterized by marked karyoty...

    Authors: T. C. M. Benathar, C. Y. Nagamachi, L. R. R. Rodrigues, P. C. M. O’Brien, M. A. Ferguson-Smith, F. Yang and J. C. Pieczarka

    Citation: BMC Evolutionary Biology 2019 19:98

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  38. Content type: Research article

    Animals have a greater diversity of signalling pathways than their unicellular relatives, consistent with the evolution and expansion of these pathways occurring in parallel with the origin of animal multicell...

    Authors: Arunkumar Krishnan, Bernard M. Degnan and Sandie M. Degnan

    Citation: BMC Evolutionary Biology 2019 19:96

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  39. Content type: Research article

    Recent studies have demonstrated that Bayesian species delimitation based on the multispecies coalescent model can produce inaccurate results by misinterpreting population splits as species divergences. An app...

    Authors: Kin Onn Chan and L. Lee Grismer

    Citation: BMC Evolutionary Biology 2019 19:95

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  40. Content type: Research article

    Cichlids are a prime model system in evolutionary research and several of the most prominent examples of adaptive radiations are found in the East African Lakes Tanganyika, Malawi and Victoria, all part of the...

    Authors: Frederic Dieter Benedikt Schedel, Zuzana Musilova and Ulrich Kurt Schliewen

    Citation: BMC Evolutionary Biology 2019 19:94

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  41. Content type: Research article

    Tropical rainforests (TRFs) harbour almost half of the world’s vascular plant species diversity while covering only about 6–7% of land. However, why species richness varies amongst the Earth’s major TRF region...

    Authors: Alexander Gamisch and Hans Peter Comes

    Citation: BMC Evolutionary Biology 2019 19:93

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  42. Content type: Research article

    Hyperdiverse mtDNA with more than 5% of variable synonymous nucleotide sites can lead to erroneous interpretations of population genetic differentiation patterns and parameters (φST, DEST). We illustrate this by ...

    Authors: S. Fourdrilis and T. Backeljau

    Citation: BMC Evolutionary Biology 2019 19:92

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    The Correction to this article has been published in BMC Evolutionary Biology 2019 19:103

  43. Content type: Research article

    Color and pattern phenotypes have clear implications for survival and reproduction in many species. However, the mechanisms that produce this coloration are still poorly characterized, especially at the genomi...

    Authors: Adam M. M. Stuckert, Emily Moore, Kaitlin P. Coyle, Ian Davison, Matthew D. MacManes, Reade Roberts and Kyle Summers

    Citation: BMC Evolutionary Biology 2019 19:85

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  44. Content type: Research article

    Many species of snakes exhibit epidermal surface nanostructures that form complex motifs conferring self-cleaning properties, and sometimes structural iridescence, to their skin.

    Authors: Marcelle I. Arrigo, Luis M. De Oliveira Vilaca, Anamarija Fofonjka, Achyuthan N. Srikanthan, Adrien Debry and Michel C. Milinkovitch

    Citation: BMC Evolutionary Biology 2019 19:91

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