Results 31 to 40 of about 995 (50)

Reproductive isolation arises during laboratory adaptation to a novel hot environment

Genome Biology
Background Reproductive isolation can result from adaptive processes (e.g., ecological speciation and mutation-order speciation) or stochastic processes such as “system drift” model.
Sheng-Kai Hsu, Wei-Yun Lai, Johannes Novak, Felix Lehner, Ana Marija Jakšić, Elisabetta Versace, Christian Schlötterer   +6 more
doaj   +1 more source

Continuation of the genetic divergence of ecological speciation by spatial environmental heterogeneity in island endemic plants

Scientific Reports, 2017
Divergent selection plays a critical role not only as a speciation driver but also in maintaining post-speciation divergence. In the absence of direct evidence, ancestral interspecific gene flow between incipient species can reflect ancient selective ...
Bing-Hong Huang, Chih-Wei Huang, Chia-Lung Huang, Pei-Chun Liao   +3 more
doaj   +1 more source

Stability and the competition-dispersal trade-off as drivers of speciation and biodiversity gradients

Frontiers in Ecology and Evolution, 2015
The geography of speciation is one of the most contentious topics at the frontier between ecology and evolution. Here, building on previous hypotheses, I propose that ecological constraints on species co-existence mediate the likelihood of speciation ...
Loïc ePellissier
doaj   +1 more source

Radiating on oceanic islands: patterns and processes of speciation in the land snail genus Theba (Risso 1826). [PDF]

PLoS ONE, 2012
Island radiations have played a major role in shaping our current understanding of allopatric, sympatric and parapatric speciation. However, the fact that species divergence correlates with island size emphasizes the importance of geographic isolation ...
Carola Greve, France Gimnich, Rainer Hutterer, Bernhard Misof, Martin Haase   +4 more
doaj   +1 more source

Female mate choice of male signals is unlikely to promote ecological adaptation in Enchenopa treehoppers (Hemiptera: Membracidae)

Ecology and Evolution, 2018
A key question in speciation research is how ecological and sexual divergence arise and interact. We tested the hypothesis that mate choice causes local adaptation and ecological divergence using the rationale that the performance~signal trait ...
Kasey D. Fowler‐Finn, Joseph T. Kilmer, Daniel C. Cruz, Rafael L. Rodríguez   +3 more
doaj   +1 more source

Bacterial Diversification in the Light of the Interactions with Phages: The Genetic Symbionts and Their Role in Ecological Speciation

Frontiers in Ecology and Evolution, 2018
Phages have a major impact on microbial populations. In this work, we discuss how predation, transduction, lysogeny, and phage domestication lead to symbio-centric genomic interactions between bacteria and phages, ranging from antagonistic to mutualistic.
Lucas P. P. Braga, Lucas P. P. Braga, Shannon M. Soucy, Deyvid E. Amgarten, Aline M. da Silva, João C. Setubal   +5 more
doaj   +1 more source

Felsenstein's“one-allele model”of speciation: The role of philopatry in the initial stages of host plant mediated reproductive isolation in Enchenopa binotata

Current Zoology, 2013
The study of speciation genetics is primarily concerned with identifying the genetic traits that allow divergent selection to overcome the homogenizing effects of gene flow.
Frank W. STEARNS, Kelley J. TILMON, Thomas K. WOOD
doaj  

Speciation-based ecological indicators for assessing heavy metal mobility and risk in forest lake sediments

Ecological Indicators
Sediments act as long-term sinks for heavy metals in aquatic systems but may also become secondary sources of contamination when environmental conditions change.
Marcin Sidoruk
doaj   +1 more source

Drosophila yakuba mayottensis, a new model for the study of incipient ecological speciation

Fly, 2017
A full understanding of how ecological factors drive the fixation of genetic changes during speciation is obscured by the lack of appropriate models with clear natural history and powerful genetic toolkits.
Amir Yassin
doaj   +1 more source

How phenotypic matching based on neutral mating cues enables speciation in locally adapted populations

Ecology and Evolution, 2019
Maynard Smith's (American Naturalist, 1966, 100, 637) suggestion that in some cases a prerequisite for speciation is the existence of local ecological adaptations has not received much attention to date.
Richard M. Sibly, Mark Pagel, Robert N. Curnow, Jonathan Edwards   +3 more
doaj   +1 more source