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首页> 外文期刊>Mycologia >Phylogeny of the genus Lentinula based on ribosomal DNA restriction fragment length polymorphism analysis.
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Phylogeny of the genus Lentinula based on ribosomal DNA restriction fragment length polymorphism analysis.

机译：基于核糖体DNA限制性片段长度多态性分析的香菇属的系统发育。

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摘要

RFLP data from PCR amplified regions of the rDNA repeat from L. edodes, L. boryana, L. lateritia and L. novaezelandiae, together with outgroups Clitocybula, Collybia and Pleurotus, were used for a phylogenetic analysis. A phylogeny based on data from the transcribed rDNA regions supported the monophyly of the genus Lentinula. Lentinula spp. displayed a comparatively low level of estimated nucleotide divergence relative to the outgroup species studied. The Asian-Australasian-distributed species (L.edodes, L. lateritia and L. novaezelandiae) and the American-distributed L. boryana belonged to 2 distinct genetic groups, with c. 1.89% nucleotide divergence from each other. The Asian-Australasian species of Lentinula were approx. 4.0% divergent from the P. ostreatus and Collybia dryophila outgroups, while L. boryana was only approx. 3.5% divergent. L. boryana is postulated to be the earliest lineage to diverge within the genus Lentinula, while the remaining Asian-Australasian species are suggested tohave evolved more recently. This molecular phylogeny highlights the phylogenetic differences between the Asian-Australasian species of Lentinula and supports their most recent classification based on morphological characters.
机译：来自ed.edodes，l。boryana，L. Lateritia和L. novaezelandiae的rDNA重复序列的PCR扩增区域的RFLP数据，与外围群体Clitocybula，Collybia和Pleurotus一起用于系统发育分析。基于转录的rDNA区域数据的系统发育支持Lentinula属的单亲。香菇属与所研究的外群物种相比，显示出较低的估计核苷酸差异水平。亚洲-澳大利亚人分布的物种（L.edodes，L.lateitia和L.novaezelandiae）和美国分布的L. boryana属于两个不同的遗传组，其中c。彼此的核苷酸差异为1.89％。香菇属的亚洲-澳大利亚种约为。 P. ostreatus和Collybia dryophila群体的差异为4.0％，而L. boryana的差异仅为约。 3.5％差异。据推测，L。boryana是Lentinula属中最早分化的血统，而其余的亚洲-澳大利亚人物种则建议在最近进化。这种分子系统发育突显了香菇亚洲-澳大利亚种之间的系统发育差异，并支持它们根据形态特征的最新分类。

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