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首页> 外文期刊>Botanica Marina >Molecular and morphological characterisation of Ulva chaugulii, U. paschima and U. ohnoi (Ulvophyceae) from the Persian Gulf, Iran
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Molecular and morphological characterisation of Ulva chaugulii, U. paschima and U. ohnoi (Ulvophyceae) from the Persian Gulf, Iran

机译：伊朗波斯湾的Ulva chaugulii，U。paschima和U. ohnoi（Ulvophyceae）的分子和形态学表征

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摘要

Species of Ulva are distributed worldwide in various aquatic habitats and their morphological characters change considerably in response to environmental conditions, which makes identification in this genus problematic. All Ulva species so far described from the Persian Gulf, Iran, have been identified by classical taxonomic methods. In this study, Ulva spp. collected from the Persian Gulf were identified by combined morphological and molecular methods. We sequenced the internal transcribed spacer ITS2 and the rbcL gene in 15 specimens, representing typical morphotypes of over 50 samples. Maximum likelihood, maximum parsimony and Bayesian inference (BI) phylogenetic reconstructions using ITS and rbcL revealed clades, which we identified as Ulva chaugulii, U. paschima and U. ohnoi. These three species have not been recorded from the Persian Gulf, Iran before. The morphology of U. chaugulii differed considerably from its species description, showing further evidence for extreme intraspecific variation in morphology in this cosmopolitan genus.
机译：乌尔瓦（Ulva）的物种分布在世界各地的各种水生生境中，其形态特征随着环境条件的变化而发生很大变化，这使该属的鉴定成为问题。迄今为止，已通过经典分类方法鉴定了从伊朗波斯湾描述的所有Ulva物种。在这项研究中，Ulva属。通过形态学和分子学方法相结合，鉴定了从波斯湾采集的海藻。我们在15个样本中对内部转录间隔区ITS2和rbcL基因进行了测序，代表了50多个样本的典型形态型。使用ITS和rbcL的最大可能性，最大简约性和贝叶斯推断（BI）系统发育重构揭示了进化枝，我们将其鉴定为Ulva chaugulii，U。paschima和U.ohnoi。这三个物种以前从未在伊朗的波斯湾记录过。乔古里U. chaugulii的形态与物种描述大不相同，这进一步显示了该大都会属形态内种内极端变异的证据。

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