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  1. Research article

    Signatures of co-evolutionary host-pathogen interactions in the genome of the entomopathogenic nematode Steinernema carpocapsae

    The entomopathogenic nematode Steinernema carpocapsae has been used worldwide as a biocontrol agent for insect pests, making it an interesting model for understanding parasite-host interactions. Two models propos...

    Mitzi Flores-Ponce, Miguel Vallebueno-Estrada, Eduardo González-Orozco, Hilda E. Ramos-Aboites, J. Noé García-Chávez, Nelson Simões and Rafael Montiel

    BMC Evolutionary Biology 2017 17:108

    Published on: 26 April 2017

  2. Research article

    The protein subunit of telomerase displays patterns of dynamic evolution and conservation across different metazoan taxa

    Most animals employ telomerase, which consists of a catalytic subunit known as the telomerase reverse transcriptase (TERT) and an RNA template, to maintain telomere ends. Given the importance of TERT and telom...

    Alvina G. Lai, Natalia Pouchkina-Stantcheva, Alessia Di Donfrancesco, Gerda Kildisiute, Sounak Sahu and A. Aziz Aboobaker

    BMC Evolutionary Biology 2017 17:107

    Published on: 26 April 2017

  3. Research article

    A passive mutualistic interaction promotes the evolution of spatial structure within microbial populations

    While mutualistic interactions between different genotypes are pervasive in nature, their evolutionary origin is not clear. The dilemma is that, for mutualistic interactions to emerge and persist, an investmen...

    Marie Marchal, Felix Goldschmidt, Selina N. Derksen-Müller, Sven Panke, Martin Ackermann and David R. Johnson

    BMC Evolutionary Biology 2017 17:106

    Published on: 24 April 2017

  4. Research article

    The phylogeny of fossil whip spiders

    Arachnids are a highly successful group of land-dwelling arthropods. They are major contributors to modern terrestrial ecosystems, and have a deep evolutionary history. Whip spiders (Arachnida, Amblypygi), are...

    Russell J. Garwood, Jason A. Dunlop, Brian J. Knecht and Thomas A. Hegna

    BMC Evolutionary Biology 2017 17:105

    Published on: 21 April 2017

  5. Research article

    Karyotypic evolution of the Medicago complex: sativa-caerulea-falcata inferred from comparative cytogenetic analysis

    Polyploidy plays an important role in the adaptation and speciation of plants. The alteration of karyotype is a significant event during polyploidy formation. The Medicago sativa complex includes both diploid (2n...

    Feng Yu, Haiqing Wang, Yanyan Zhao, Ruijuan Liu, Quanwen Dou, Jiangli Dong and Tao Wang

    BMC Evolutionary Biology 2017 17:104

    Published on: 21 April 2017

  6. Research article

    Fitness costs of symbiont switching using entomopathogenic nematodes as a model

    Steinernematid nematodes form obligate symbioses with bacteria from the genus Xenorhabdus. Together Steinernema nematodes and their bacterial symbionts successfully infect, kill, utilize, and exit their insect ho...

    John G. McMullen, Brittany F. Peterson, Steven Forst, Heidi Goodrich Blair and S. Patricia Stock

    BMC Evolutionary Biology 2017 17:100

    Published on: 17 April 2017

  7. Research article

    Natural selection drove metabolic specialization of the chromatophore in Paulinella chromatophora

    Genome degradation of host-restricted mutualistic endosymbionts has been attributed to inactivating mutations and genetic drift while genes coding for host-relevant functions are conserved by purifying selecti...

    Cecilio Valadez-Cano, Roberto Olivares-Hernández, Osbaldo Resendis-Antonio, Alexander DeLuna and Luis Delaye

    BMC Evolutionary Biology 2017 17:99

    Published on: 14 April 2017

  8. Research article

    Tripartite species interaction: eukaryotic hosts suffer more from phage susceptible than from phage resistant bacteria

    Evolutionary shifts in bacterial virulence are often associated with a third biological player, for instance temperate phages, that can act as hyperparasites. By integrating as prophages into the bacterial gen...

    Carolin C. Wendling, Agnes Piecyk, Dominik Refardt, Cynthia Chibani, Robert Hertel, Heiko Liesegang, Boyke Bunk, Jörg Overmann and Olivia Roth

    BMC Evolutionary Biology 2017 17:98

    Published on: 11 April 2017

  9. Research article

    Reconstruction of the evolution of microbial defense systems

    Evolution of bacterial and archaeal genomes is a highly dynamic process that involves intensive loss of genes as well as gene gain via horizontal transfer, with a lesser contribution from gene duplication. The...

    Pere Puigbò, Kira S. Makarova, David M. Kristensen, Yuri I. Wolf and Eugene V. Koonin

    BMC Evolutionary Biology 2017 17:94

    Published on: 4 April 2017

  10. Research article

    Fossils matter: improved estimates of divergence times in Pinus reveal older diversification

    The taxonomy of pines (genus Pinus) is widely accepted and a robust gene tree based on entire plastome sequences exists. However, there is a large discrepancy in estimated divergence times of major pine clades am...

    Bianca Saladin, Andrew B. Leslie, Rafael O. Wüest, Glenn Litsios, Elena Conti, Nicolas Salamin and Niklaus E. Zimmermann

    BMC Evolutionary Biology 2017 17:95

    Published on: 4 April 2017

  11. Research article

    Adaptive differentiation coincides with local bioclimatic conditions along an elevational cline in populations of a lichen-forming fungus

    Many fungal species occur across a variety of habitats. Particularly lichens, fungi forming symbioses with photosynthetic partners, have evolved remarkable tolerances for environmental extremes. Despite their ...

    Francesco Dal Grande, Rahul Sharma, Anjuli Meiser, Gregor Rolshausen, Burkhard Büdel, Bagdevi Mishra, Marco Thines, Jürgen Otte, Markus Pfenninger and Imke Schmitt

    BMC Evolutionary Biology 2017 17:93

    Published on: 31 March 2017

  12. Research article

    Evolutionary origin and function of NOX4-art, an arthropod specific NADPH oxidase

    NADPH oxidases (NOX) are ROS producing enzymes that perform essential roles in cell physiology, including cell signaling and antimicrobial defense. This gene family is present in most eukaryotes, suggesting a ...

    Ana Caroline Paiva Gandara, André Torres, Ana Cristina Bahia, Pedro L. Oliveira and Renata Schama

    BMC Evolutionary Biology 2017 17:92

    Published on: 29 March 2017

  13. Research article

    A genetic chronology for the Indian Subcontinent points to heavily sex-biased dispersals

    India is a patchwork of tribal and non-tribal populations that speak many different languages from various language families. Indo-European, spoken across northern and central India, and also in Pakistan and B...

    Marina Silva, Marisa Oliveira, Daniel Vieira, Andreia Brandão, Teresa Rito, Joana B. Pereira, Ross M. Fraser, Bob Hudson, Francesca Gandini, Ceiridwen Edwards, Maria Pala, John Koch, James F. Wilson, Luísa Pereira, Martin B. Richards and Pedro Soares

    BMC Evolutionary Biology 2017 17:88

    Published on: 23 March 2017

  14. Research article

    Transcriptomic insights into the genetic basis of mammalian limb diversity

    From bat wings to whale flippers, limb diversification has been crucial to the evolutionary success of mammals. We performed the first transcriptome-wide study of limb development in multiple species to explor...

    Jennifer A. Maier, Marcelo Rivas-Astroza, Jenny Deng, Anna Dowling, Paige Oboikovitz, Xiaoyi Cao, Richard R. Behringer, Chris J. Cretekos, John J. Rasweiler, Sheng Zhong and Karen E. Sears

    BMC Evolutionary Biology 2017 17:86

    Published on: 23 March 2017

  15. Research article

    Discovery and evolution of novel hemerythrin genes in annelid worms

    Despite extensive study on hemoglobins and hemocyanins, little is known about hemerythrin (Hr) evolutionary history. Four subgroups of Hrs have been documented, including: circulating Hr (cHr), myohemerythrin ...

    Elisa M. Costa-Paiva, Nathan V. Whelan, Damien S. Waits, Scott R. Santos, Carlos G. Schrago and Kenneth M. Halanych

    BMC Evolutionary Biology 2017 17:85

    Published on: 23 March 2017

  16. Research article

    Surface layer proteins from virulent Clostridium difficile ribotypes exhibit signatures of positive selection with consequences for innate immune response

    Clostridium difficile is a nosocomial pathogen prevalent in hospitals worldwide and increasingly common in the community. Sequence differences have been shown to be present in the Surf...

    Mark Lynch, Thomas A. Walsh, Izabela Marszalowska, Andrew E. Webb, Micheál MacAogain, Thomas R. Rogers, Henry Windle, Dermot Kelleher, Mary J. O’Connell and Christine E. Loscher

    BMC Evolutionary Biology 2017 17:90

    Published on: 23 March 2017

  17. Research article

    Cytotype coexistence in the field cannot be explained by inter-cytotype hybridization alone: linking experiments and computer simulations in the sexual species Pilosella echioides (Asteraceae)

    Processes driving ploidal diversity at the population level are virtually unknown. Their identification should use a combination of large-scale screening of ploidy levels in the field, pairwise crossing experi...

    Jindřich Chrtek, Tomáš Herben, Radka Rosenbaumová, Zuzana Münzbergová, Zuzana Dočkalová, Jaroslav Zahradníček, Jana Krejčíková and Pavel Trávníček

    BMC Evolutionary Biology 2017 17:87

    Published on: 23 March 2017

  18. Research article

    Exploring the evolutionary origin of floral organs of Erycina pusilla, an emerging orchid model system

    Thousands of flowering plant species attract pollinators without offering rewards, but the evolution of this deceit is poorly understood. Rewardless flowers of the orchid Erycina pusilla have an enlarged median s...

    Anita Dirks-Mulder, Roland Butôt, Peter van Schaik, Jan Willem P. M. Wijnands, Roel van den Berg, Louie Krol, Sadhana Doebar, Kelly van Kooperen, Hugo de Boer, Elena M. Kramer, Erik F. Smets, Rutger A. Vos, Alexander Vrijdaghs and Barbara Gravendeel

    BMC Evolutionary Biology 2017 17:89

    Published on: 23 March 2017

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