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首页> 外文期刊>Nordic Journal of Botany >Investigation of a freshwater acrochaetioid alga (Rhodophyta) with molecular and morphological methods
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Investigation of a freshwater acrochaetioid alga (Rhodophyta) with molecular and morphological methods

机译:调查的淡水acrochaetioid海藻(红藻门)分子和形态方法

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摘要

An enigmatic acrochaetioid alga was collected from Niangziguan spring in Shanxi Province, northern China. Morphological data indicated that this alga reproduces exclusively asexually by monosporangia and its morphological characteristics suggested that it might be referred to Audouinella heterospora. To ascertain its phylogenetic position, phylogenetic trees were reconstructed using partial sequences of the plastid-encoded gene (rbcL) and the nuclear-encoded gene (SSU rDNA) applying Bayesian inference (BI), maximum parsimony (MP) and maximum likelihood (ML). However, phylogenetic reconstructions showed that this acrochaetioid alga does not belong in a clade with the genus Audouinella, but forms a clade with Thorea hispida (Thoreales). Based on this analysis it is concluded that A. heterospora represents the chantransia' stage of T. hispida.
机译:一个神秘acrochaetioid海藻收集山西娘子关泉水,北部中国海藻是无性繁殖完全monosporangia及其形态特征表明,它可能是指Audouinella heterospora。它的系统发育地位,系统发育树被使用的部分序列重建plastid-encoded基因(rbcL)和应用贝叶斯nuclear-encoded基因(四rDNA)推理(BI)、最大吝啬(MP)最大似然(ML)。这个acrochaetioid重建显示海藻不属于一个属的进化枝Audouinella,但形式与Thorea进化枝hispida (Thoreales)。得出结论:a . heterospora代表chantransia t . hispida的阶段。

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