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首页> 外文期刊>Mycologia >Multilocus sequence data reveal extensive phylogenetic species diversity within the Neurospora discreta complex
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Multilocus sequence data reveal extensive phylogenetic species diversity within the Neurospora discreta complex

机译：多基因座序列数据显示Neurospora Discreta复合体内广泛的系统发育物种多样性

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摘要

Previous observations of morphological, reproductive and genetic variation have suggested that Neurospora discreta, as presently circumscribed, might represent a diverse complex of multiple species. To investigate this hypothesis we examined the phylogenetic relationships among 73 fungal strains traditionally identified as N. discreta. Strains were chosen from across the morphological, ecological and geographical ranges of the species. Sequence data were obtained from three unlinked nuclear loci, andphylogenetic species recognition was applied to the dataset using protocols that have been shown to be reliable for identifying independent lineages and delineating species of Neurospora. The results demonstrate that the present circumscription of N. discreta includes at least eight separate phylogenetic species. This research also reveals an abundance of previously unrecognized genetic diversity within contributes to a fuller understanding of species diversity in Neurospora.
机译：先前对形态，生殖和遗传变异的观察表明，目前受限制的神经孢子虫可能代表多种物种的复杂复合体。为了研究这个假设，我们研究了73种传统上被鉴定为分离猪笼草的真菌菌株之间的系统发育关系。菌株选自该物种的形态，生态和地理范围。从三个未链接的核基因座获得序列数据，并使用已证明可可靠地识别独立谱系和描绘神经孢菌种的方案，将系统发生种识别应用于数据集。结果表明，目前的离散猪笼草的限定包括至少八个单独的系统发育种。这项研究还揭示了内部以前无法识别的大量遗传多样性，有助于人们更全面地了解Neurospora中的物种多样性。

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