Arid
DOI10.1016/j.ympev.2018.06.013
Cryptic genetic diversity, population structure, and gene flow in the Mojave rattlesnake (Crotalus scutulatus)
Schield, Drew1; Adams, Richard1; Card, Daren1; Corbin, Andrew1; Jezkova, Tereza2; Hales, Nicole1; Meik, Jesse3; Perry, Blair1; Spencer, Carol4; Smith, Lydia4; Campillo Garcia, Gustavo5; Bouzid, Nassima4,6,7; Strickland, Jason8; Parkinsong, Christopher8,9,10; Borja, Miguel11; Castaneda-Gaytan, Gamaliel11; Bryson, Robert, Jr.6,7; Flores-Villela, Oscar5; Mackessy, Stephen12; Castoe, Todd1
通讯作者Castoe, Todd
来源期刊MOLECULAR PHYLOGENETICS AND EVOLUTION
ISSN1055-7903
EISSN1095-9513
出版年2018
卷号127页码:669-681
英文摘要

The Mojave rattlesnake (Crotalus scutulatus) inhabits deserts and arid grasslands of the western United States and Mexico. Despite considerable interest in its highly toxic venom and the recognition of two subspecies, no molecular studies have characterized range-wide genetic diversity and population structure or tested species limits within C. scutulatus. We used mitochondrial DNA and thousands of nuclear loci from double-digest restriction site associated DNA sequencing to infer population genetic structure throughout the range of C. scutulatus, and to evaluate divergence times and gene flow between populations. We find strong support for several divergent mitochondrial and nuclear clades of C. scutulatus, including splits coincident with two major phylogeographic barriers: the Continental Divide and the elevational increase associated with the Central Mexican Plateau. We apply Bayesian clustering, phylogenetic inference, and coalescent-based species delimitation to our nuclear genetic data to test hypotheses of population structure. We also performed demographic analyses to test hypotheses relating to population divergence and gene flow. Collectively, our results support the existence of four distinct lineages within C. scutulatus, and genetically defined populations do not correspond with currently recognized subspecies ranges. Finally, we use approximate Bayesian computation to test hypotheses of divergence among multiple rattlesnake species groups distributed across the Continental Divide, and find evidence for co-divergence at this boundary during the mid-Pleistocene.


英文关键词Gene flow Population genomics Population structure RADseq Secondary contact Viperidae
类型Article
语种英语
国家USA ; Mexico
收录类别SCI-E
WOS记录号WOS:000446021300059
WOS关键词SPECIES GROUP ; PHYLOGENETIC-RELATIONSHIPS ; RANGE EXPANSION ; SPECIATION ; VENOM ; PHYLOGEOGRAPHY ; BIOGEOGRAPHY ; DIVERGENCE ; INFERENCE ; MODELS
WOS类目Biochemistry & Molecular Biology ; Evolutionary Biology ; Genetics & Heredity
WOS研究方向Biochemistry & Molecular Biology ; Evolutionary Biology ; Genetics & Heredity
来源机构Universidad Nacional Autónoma de México ; University of California, Berkeley
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/211719
作者单位1.Univ Texas Arlington, Dept Biol, 501 S Nedderman Dr, Arlington, TX 76019 USA;
2.Miami Univ, Dept Biol, 501 E High St, Oxford, OH 45056 USA;
3.Tarleton State Univ, Dept Biol Sci, 1333 W Washington St, Stephenville, TX 76402 USA;
4.Univ Calif Berkeley, Museum Vertebrate Zool, 3101 Valley Life Sci Bldg, Berkeley, CA 94720 USA;
5.Univ Nacl Autonoma Mexico, Fac Ciencias, Dept Evolutionary Biol, Museo Zool, External Circuit Ciudad Univ, Mexico City 04510, DF, Mexico;
6.Univ Washington, Dept Biol, Box 351800, Seattle, WA 98195 USA;
7.Univ Washington, Burke Museum Nat Hist & Culture, Box 351800, Seattle, WA 98195 USA;
8.Univ Cent Florida, Dept Biol, Biol Sci Bldg,4110 Libra Dr, Orlando, FL 32816 USA;
9.Clemson Univ, Dept Biol Sci, 190 Collings St, Clemson, SC 29634 USA;
10.Clemson Univ, Dept Forestry & Environm Conservat, 190 Collings St, Clemson, SC 29634 USA;
11.Univ Juarez Estado Durango, Fac Ciencias Biol, Gomez Palacio, Durango, Mexico;
12.Univ Northern Colorado, Sch Biol Sci, 501 20th St, Greeley, CO 80639 USA
推荐引用方式
GB/T 7714
Schield, Drew,Adams, Richard,Card, Daren,et al. Cryptic genetic diversity, population structure, and gene flow in the Mojave rattlesnake (Crotalus scutulatus)[J]. Universidad Nacional Autónoma de México, University of California, Berkeley,2018,127:669-681.
APA Schield, Drew.,Adams, Richard.,Card, Daren.,Corbin, Andrew.,Jezkova, Tereza.,...&Castoe, Todd.(2018).Cryptic genetic diversity, population structure, and gene flow in the Mojave rattlesnake (Crotalus scutulatus).MOLECULAR PHYLOGENETICS AND EVOLUTION,127,669-681.
MLA Schield, Drew,et al."Cryptic genetic diversity, population structure, and gene flow in the Mojave rattlesnake (Crotalus scutulatus)".MOLECULAR PHYLOGENETICS AND EVOLUTION 127(2018):669-681.
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