Radiation and divergence in the Rhagoletis Pomonella species complex: inferences from DNA sequence data

Radiation and divergence in the Rhagoletis Pomonella species complex: inferences from DNA sequence data
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Rhagoletis Pomonella 物种复合体中的辐射和分化:DNA 序列数据的推论

DOI:
10.1111/j.1420-9101.2008.01507.x
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发表时间:
2008
影响因子:
2.1
通讯作者:
J. Feder
J. Feder
中科院分区:
生物学3区
文献类型:
--
作者:
Xianfa Xie;Andrew P. Michel;Dietmar Schwarz;J. Rull;S. Vélez;Andrew A. Forbes;M. Aluja;J. Feder

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在这里,我们利用11个匿名的核基因和mtDNA,研究了pomonella(双翅目:tephritidae)同胞种复合体的进化历史和遗传分化模式,这是一个通过寄主植物转移实现共域物种形成的模式。我们报告的DNA序列结果与以前的等位酶研究结果基本一致。在复合体中,食角树脂菌是基本的,在所有的座位上都有固定的替换。基因树并没有提供美国种群间相互的单系关系,这些种群包括蓬蒙氏菌、孟达氏蝇、泽菲蝇和未被描述的山茱萸。然而,在某些基因座上发现了这些分类群的私有等位基因。我们讨论了这些结果对于物种形成的可识别的遗传标志(阶段)、区分形成物种的基因组分化的马赛克性质以及物种形成模式多元化的概念的影响,该概念涉及生物地理对Pomonella复合体中共域物种形成的贡献。
Here, we investigate the evolutionary history and pattern of genetic divergence in the Rhagoletis pomonella (Diptera: Tephritidae) sibling species complex, a model for sympatric speciation via host plant shifting, using 11 anonymous nuclear genes and mtDNA. We report that DNA sequence results largely coincide with those of previous allozyme studies. Rhagoletis cornivora was basal in the complex, distinguished by fixed substitutions at all loci. Gene trees did not provide reciprocally monophyletic relationships among US populations of R. pomonella, R. mendax, R. zephyria and the undescribed flowering dogwood fly. However, private alleles were found for these taxa for certain loci. We discuss the implications of the results with respect to identifiable genetic signposts (stages) of speciation, the mosaic nature of genomic differentiation distinguishing formative species and a concept of speciation mode plurality involving a biogeographic contribution to sympatric speciation in the R. pomonella complex.
冈比亚按蚊的着丝粒近端分化和物种形成。
DOI: 10.1073/pnas.0508161102
发表时间: 2005
影响因子: 11.1
作者:
Stump,AramD;Fitzpatrick,MeaganC;Lobo,NeilF;Traoré,Sékou;Sagnon,N'Fale;Costantini,Carlo;Collins,FrankH;Besansky,NoraJ
通讯作者: Besansky,NoraJ
DOI: 10.1534/genetics.104.033597
发表时间: 2005-09-01
期刊: GENETICS
影响因子: 3.3
作者:
Llopart, A;Lachaise, D;Coyne, JA
通讯作者: Coyne, JA