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首页> 外文期刊>The Lichenologist >A discussion about reproductive modes of Pseudevernia furfuracea based on phylogenetic data
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A discussion about reproductive modes of Pseudevernia furfuracea based on phylogenetic data

机译：基于系统发育数据的假单胞菌生殖方式探讨

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摘要

Two asexual reproductive strategies of the common lichen Pseudevernia fulfuracea are described. Although the species propagates mainly by isidia, some specimens also show the development of soralia. Morphological, chemical and molecular analyses were performed on three such sorediate specimens from the Canary Islands, Morocco and Turkey. Maximum parsimony, maximum likelihood and Bayesian analyses indicate that: a) sorediate samples represent only a morphological variant of the reproductive mode and b) the separation of taxa (at species level or below) on the basis of their containing either olivetoric acid or physodic and oxyphysodic acids is not appropriate. In addition, a phylogenetic reconstruction of the genus Pseudevernia is presented for the first time. The tree shows two sister monophyletic clades, one containing American species (P. intensa, P. cladonia, P. consocians), and the second encompassing the P. furfuracea samples (including sorediate specimens). The biological and taxonomic significance of soralia in sorediate samples is discussed.
机译：描述了两种常见的地衣假单胞菌fulfuracea无性繁殖策略。尽管该物种主要通过isidia传播，但一些标本也显示了浆草的发展。对来自加那利群岛，摩洛哥和土耳其的三个假想样本进行了形态，化学和分子分析。最大简约度，最大似然度和贝叶斯分析表明：a）大果粉样品仅代表生殖方式的形态学变异，b）基于其含有橄榄酸或植酸的分类单元（在物种水平或以下）的分​​离植酸不合适。另外，首次提出假单胞菌属的系统发育重建。该树显示了两个姐妹单系进化枝，一个包含美洲物种（P. intensa，P。cladonia，P。consocians），第二个包含了糠。假单胞菌样品（包括松毛纲标本）。讨论了大果样品中soralia的生物学和生物分类意义。

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