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首页> 外文期刊>Journal of Medical Entomology >Differences in extent of genetic introgression between sympatric Culex pipiens and Culex quinquefasciatus (Diptera : Culicidae) in California and South Africa
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Differences in extent of genetic introgression between sympatric Culex pipiens and Culex quinquefasciatus (Diptera : Culicidae) in California and South Africa

机译：在加利福尼亚和南非，同胞库蚊和库克斯库克斯库蚊（Diptera：Culicidae）之间基因渗入程度的差异

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摘要

Comparisons of five morphological characters, 12 enzyme electrophoresis profiles, and Wolbachia pipientis infection rates were used to characterize populations of members of the Culex pipiens L. complex in California and South Africa. In South Africa, male phallosome DV/D ratio, male maxillary palp index, branching of siphonal seta la, the enzyme locus Mdhp-1, and W pipientis infection rates proved highly diagnostic for separating Cidex quinquefasciatus from Cx. pipiens phenotypes. In Johannesburg, where sympatric members of the Cx. pipiens complex were analyzed as one population, a significant Wahlund Effect was observed in the enzyme loci such as Ao, 6-Pgdh, Mdh-2, and Pgm. In California, all populations of the Cx. pipiens complex were in Hardy Weinberg equilibrium at all polymorphic enzyme loci examined. Additionally, in California, all populations had similar W pipientis infection rates and appeared morphologically identical (except for DV/D ratio, in extreme north and south). These findings indicate that in South Africa, Cx. pipiens and Cx. quinquefasciatus remain as genetically distinct populations and behave as separate species. Conversely, in California, there is considerable genetic introgression between Cx. pipiens and Cx. quinquefasciatus, and they behave as a single species.
机译：比较了五个形态特征，12个酶电泳图谱和Wolbachia pipientis感染率，以表征加利福尼亚和南非的淡色库蚊成员的种群。在南非，雄性阳具DV / D比，雄性上颚触诊指数，虹吸刚毛的分支，酶基因座Mdhp-1和p.pipientis感染率证明对从Cx分离西德西提克斯犬具有很高的诊断价值。 pipiens表型。在约翰内斯堡，那里是Cx的同胞。将pipiens复合体作为一个种群进行分析，在酶基因座（如Ao，6-Pgdh，Mdh-2和Pgm）中观察到显着的Wahlund效应。在加利福尼亚，Cx的所有人口。在所有检查的多态酶基因座上，pipiens复合物均处于Hardy Weinberg平衡状态。此外，在加利福尼亚州，所有人群的pipientis感染率均相似，并且在形态上似乎相同（除了DV / D比率，在极北和极南）。这些发现表明在南非，Cx。 pipiens和Cx。 quinfafasciatus仍然是遗传上不同的种群，并且表现为不同的物种。相反，在加利福尼亚州，Cx之间存在相当大的基因渗入。 pipiens和Cx。 quinquefasciatus，它们表现为一个物种。

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