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BMC Evolutionary Biology
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#1Tin Yau Pang (HHU: University of Düsseldorf)H-Index: 4
BACKGROUND: A frequent event in the evolution of prokaryotic genomes is homologous recombination, where a foreign DNA stretch replaces a genomic region similar in sequence. Recombination can affect the relative position of two genomes in a phylogenetic reconstruction in two different ways: (i) one genome can recombine with a DNA stretch that is similar to the other genome, thereby reducing their pairwise sequence divergence; (ii) one genome can recombine with a DNA stretch from an outgroup genom...
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#1Ke Gao (UvA: University of Amsterdam)
#2Michiel P. van Wijk (UvA: University of Amsterdam)H-Index: 14
Last. Astrid T. Groot (MPG: Max Planck Society)H-Index: 25
view all 5 authors...
BACKGROUND: Ever since Darwin, evolutionary biologists have studied sexual selection driving differences in appearance and behaviour between males and females. An unchallenged paradigm in such studies is that one sex (usually the male) signals its quality as a mate to the other sex (usually the female), who is choosy in accepting a partner. Here, we hypothesize that in polygamous species these roles change dynamically with the mating status of males and females, depending on direct reproductive ...
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#1Xin Zhang (NEFU: Northeast Forestry University)
#2Chenrui Gu (NEFU: Northeast Forestry University)
Last. Chuanping Yang (NEFU: Northeast Forestry University)H-Index: 19
view all 7 authors...
BACKGROUND: Raw second-generation (2G) lignocellulosic biomass materials have the potential for development into a sustainable and renewable source of energy. Poplar is regarded as a promising 2G material (P. davidiana DodexP. bolleana Lauch, P. bolleana, P. davidiana, P. euphratica, et al). However, their large-scale commercialization still faces many obstacles. For example, drought prevents sufficient irrigation or rainfall, which can reduce soil moisture and eventually destroy the chloroplast...
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#1Jingchun Li (Harvard University)H-Index: 8
#2Sarah Lemer (U.O.G.: University of Guam)H-Index: 12
Last. Gonzalo Giribet (Harvard University)H-Index: 63
view all 6 authors...
BACKGROUND: Photosymbiotic associations between metazoan hosts and photosynthetic dinoflagellates are crucial to the trophic and structural integrity of many marine ecosystems, including coral reefs. Although extensive efforts have been devoted to study the short-term ecological interactions between coral hosts and their symbionts, long-term evolutionary dynamics of photosymbiosis in many marine animals are not well understood. Within Bivalvia, the second largest class of mollusks, obligate phot...
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#1Chen Feng (CAS: Chinese Academy of Sciences)H-Index: 1
#2Huiqin Yi (CAS: Chinese Academy of Sciences)
Last. Ming Kang (CAS: Chinese Academy of Sciences)H-Index: 3
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BACKGROUND: Sympatric sister species provide an opportunity to investigate the genetic mechanisms and evolutionary forces that maintain species boundaries. The persistence of morphologically and genetically distinct populations in sympatry can only occur if some degree of reproductive isolation exists. A pair of sympatric sister species of Primulina (P. depressa and P. danxiaensis) was used to explore the genetic architecture of hybrid male sterility. RESULTS: We mapped one major- and seven mino...
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#1Jairo Arroyave (UNAM: National Autonomous University of Mexico)H-Index: 4
#2John S. S. Denton (Florida Museum of Natural History)H-Index: 5
Last. Melanie L. J. Stiassny (AMNH: American Museum of Natural History)H-Index: 25
view all 3 authors...
BACKGROUND: Distichodus is a clade of tropical freshwater fishes currently comprising 25 named species distributed continent-wide throughout the Nilo-Sudan and most Sub-Saharan drainages. This study investigates the phylogenetic relationships, timing of diversification, and biogeographic history of the genus from a taxonomically comprehensive mutilocus dataset analyzed using Maximum Likelihood and Bayesian methods of phylogenetic inference, coalescence-based species-tree estimation, divergence t...
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#1Aoife Leonard (Aberd.: University of Aberdeen)H-Index: 1
#2Lesley T. Lancaster (Aberd.: University of Aberdeen)H-Index: 18
BACKGROUND: Many organisms are responding to climate change with dramatic range shifts, involving plastic and genetic changes to cope with novel climate regimes found at higher latitudes. Using experimental lineages of the seed beetle Callosobruchus maculatus, we simulated the initial phase of colonisation to progressively cooler and/or more variable conditions, to investigate how adaptation and phenotypic plasticity contribute to shifts in thermal tolerance during colonisation of novel climates...
1 CitationsSource
#1Zhiheng Li (CAS: Chinese Academy of Sciences)H-Index: 8
#2Chun-Chieh WangH-Index: 9
Last. ZHOUZhonghe (CAS: Chinese Academy of Sciences)H-Index: 47
view all 9 authors...
BACKGROUND: Tooth morphology within theropod dinosaurs has been extensively investigated and shows high disparity throughout the Cretaceous. Changes or diversification in feeding ecology, i.e., adoption of an herbivorous diet (e.g., granivorous), is proposed as a major driver of tooth evolution in Paraves (e.g., Microraptor, troodontids and avialans). Here, we studied the microscopic features of paravian non-avian theropod and avialan teeth using high-spatial-resolution synchrotron transmission ...
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#1Yijun Ni (Fudan University)
#2Chike Chukwuenyem Ebido (Fudan University)
Last. Wei Hu (Fudan University)H-Index: 21
view all 11 authors...
BACKGROUND: Copepods are key components of aquatic ecosystems and can help regulate the global carbon cycle. Much attention has been paid to the species diversity of copepods worldwide, but the phylogeography and genetic diversity of copepods in Nigeria is unexplored. RESULTS: Using a mitochondrial cytochrome c oxidase subunit I marker, we preformed phylogenetic and phylogeographic analyses for Cyclopidae copepods in Southeast Nigeria. A high species diversity of Cyclopidae in Nigeria: 5 species...
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#1Diana Gabriela Hernandez-Langford (Autonomous University of Aguascalientes)
#2María Elena Siqueiros-Delgado (Autonomous University of Aguascalientes)H-Index: 4
Last. Eduardo Ruiz-Sanchez (University of Guadalajara)H-Index: 14
view all 3 authors...
BACKGROUND: The Mexican hand tree or Canac (Chiranthodendron pentadactylon) is a temperate tree species of cloud and pine-oak forests of southern Mexico and Guatemala. Its characteristic hand-shaped flower is used in folk medicine and has constituted the iconic symbol of the Sociedad Botanica de Mexico since 1940. Here, the evolutionary history of this species was estimated through phylogeographic analyses of nuclear DNA sequences obtained through restriction site associated DNA sequencing and e...
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