speciation-with-gene-flow
Speciation with gene flow in the Daphnia pulex species complex
... of gene flow, divergent selection may act on a few genomic regions, while other neutral regions homogenize, such as in the Z and E strain of the European corn borer moth (Ostrinia nubilalis) where only 1 ...
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Genomic differentiation during speciation-with-gene-flow: Comparing geographic and host-related variation in divergent life history adaptation in rhagoletis pomonella
... and Figure 7). In comparison, sympatric populations of apple and hawthorn flies show a range of divergence in which clustering is just emerging as an inchoate property of divergent selection on diapause (Figure 6A–H). ...
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Ecological speciation in sympatric palms: 1. Gene expression, selection and pleiotropy
... Ecological speciation requires divergent selection, reproductive isolation and a genetic mechanism to link the ...of gene expres- sion and coding sequence evolution in this process using two species of ...
16
Cryptococcosis Serotypes Impact Outcome and Provide Evidence of Cryptococcus neoformans Speciation
... mainly for serotype A using PCR fingerprinting, multilocus se- quence typing (MLST), or variable-number tandem repeat (VNTR) methods (7, 17, 19–24). The majority of serotype A iso- lates exhibit clonal expansion with ...
12
Speciation by Symbiosis: the Microbiome and Behavior
... of gene flow (from males to females), and vertical dashed arrows represent divergence ...no gene flow between the infected and uninfected ...sever gene flow in reciprocal cross ...
11
In situ quantification of individual mRNA transcripts in melanocytes discloses gene regulation of relevance to speciation
... The characteristic differences in the amount of melanin deposited in the plumage (Fig. 2A) have been shown to be associated with assortative mating (Randler, 2007) and social marginalization of minority phenotypes (Saino ...
13
Inference of Gene Flow in the Process of Speciation: An Efficient Maximum-Likelihood Method for the Isolation-with-Initial-Migration Model
... bidirectional gene flow, unequal population sizes, mutation rate heterogeneity, and large numbers of ...without gene flow; (b) divergence with potentially asymmetric gene flow until the present; and (c) ...
23
Speciation over the edge: Gene flow among non-human primate species across a formidable biogeographic barrier
... of gene flow, 1% of the WGS read data from each sample were randomly selected and classified against an index containing 12 full primate genomes (Microcebus murinus, Chlorocebus sabaeus, Nomascus ...
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The Limits to Parapatric Speciation II: Strengthening a Preexisting Genetic Barrier to Gene Flow in Parapatry
... to gene flow between parapatric pop- ...of gene flow (Flaxman et ...of gene flow among populations. Speciation in the sense of full reproductive isolation corresponds to the limit where ...
14
Single gene speciation: mating and gene flow between mirror image snails
... Putting our findings together, we are able to reinterpret pre- vious studies (Ueshima and Asami 2003; Davison et al. 2005). The fact that both the mtDNA and nuclear trees presented here are concordant for the ...
10
Timema cristinae
... Ecological speciation occurs when an ecological source of divergent selection, such as a difference in niche, sexual selection, or the ecological interactions such as competition for resources of two populations, ...
5
Zinc biogeochemical cycle in the Tasman Sea : potential role for phytoplankton communities
... The challenge encountered when working with seawater and trace elements is that analytical methods need to be sensitive and selective, possessing low detection limits that enable accurate determination of trace element ...
246
Speciation and Domestication in Maize and Its Wild Relatives: Evidence From the Globulin-1 Gene
... represent a fairly large geographic area and to overlap with and Kriz 1991). the individuals studied in Eyre-Walker et al. (1998). The glb1 gene was amplified with Taq polymerase using primers specific The purpose ...
10
Genome Sequences Reveal Cryptic Speciation in the Human Pathogen Histoplasma capsulatum
... (i) ML phylogenetics. To gain initial insight on the phylogenetic relationships among our sequenced isolates, and especially to explore the degree of monophyly of our putative species, we used traditional maximum ...
23
The speciation of the proteome
... protein speciation is universal and not restricted to ...one gene was ...that speciation is even more extensively recognized in proteins with high abun- ...
10
Temporal and Spatial Heterogeneity of mtDNA Polymorphisms in Natural Populations of Drosophila mercatorum
... Thus, although there is sufficient gene flow to cause panmixia for neutral or uniformally selected nuclear markers, the gene flow is limited enough to allow effective [r] ...
9
The desaturase gene family : an evolutionary study of putative speciation genes in 12 species of Drosophila
... desatF gene has undergone rapid evolution across the genus, documenting six separate instances of gene loss, two modifications in sex-specific expression, and three separate instances of silenc- ing without ...
200
Use of environmental variables to infer gene flow and population structure in the gopher tortoise (Gopherus polyphemus) and predict the seroprevalence of an emerging infectious disease
... The gopher tortoise has experienced immense loss in habitat throughout its range due to expanding urbanization and a continuing increase in pine plantations (USFWS 1987). However, in some areas this species is still ...
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Nascent Genomic Evolution and Allopatric Speciation of Myroides profundi D25 in Its Transition from Land to Ocean
... ily Flavobacteriaceae of the phylum Bacteroidetes, was isolated from the deep-sea sediments of the southern Okinawa Trough (12). M. profundi D25 can secrete myroilysin, an M12 protease that has elastinolytic activity and ...
9
Coupling, Reinforcement, and Speciation
... Not until two decades later did a series of review articles and theoretical studies popularize this idea and extend it to other speciation contexts. Considering coupling outside the context of hybrid zones, Barton ...
18