Hildenbrandia (Hildenbrandiales, Florideophyceae) from Japan and taxonomic lumping of H. jigongshanensis and H. japananensis

IF 1.6 4区生物学 Q2 MARINE & FRESHWATER BIOLOGY Phycological Research Pub Date : 2021-02-17 DOI:10.1111/pre.12456

C. Vieira, Shingo Akita, S. Uwai, T. Hanyuda, S. Shimada, H. Kawai

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引用次数: 3

Abstract

The genetic diversity of freshwater Hildenbrandia species (Florideophyceae, Hildenbrandiales) from Japan was reassessed based on specimens collected from Kagoshima (Kyushu), Hyogo and Kanagawa Prefectures (Honshu), using rbcL and 18S rDNA sequences. Phylogenetic results suggested the occurrence of only one species of freshwater Hildenbrandia in Japan, H. japananensis. The clade H. jigongshanensis–H. japananensis is sister to H. rivularis. Hildenbrandia angolensis was paraphyletic and positioned basally among the freshwater Hildenbrandia clades. Furthermore, the genetic similarity between H. jigongshanensis and H. japananensis determined by rbcL and 18S sequences as well as the intraspecific morphological plasticity led us to the conclusion that the species from China and Japan were conspecific. Accordingly, we propose the taxonomic lumping of H. jigongshanensis and H. japananensis. In addition, we recommend additional molecular and morphological studies on Asian freshwater Hildenbrandia to determine whether H. jigongshanensis is conspecific with H. ramanaginae previously described from India.

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日本hildenbrandiae (hildenbrandiae, Florideophyceae)及jigongshanh .和H. japananensis的分类集总

以九州鹿儿岛、兵库县和本州神奈川县为研究对象，利用rbcL和18S rDNA序列对日本淡水Hildenbrandia物种(Florideophyceae, Hildenbrandiales)的遗传多样性进行了重新评价。系统发育结果表明，日本淡水水蚤只有一种，即日本水蚤。吉公山猴-吉公山猴。japananensis是H. rivularis的姐妹。Hildenbrandia angolensis是原生动物和定位基淡水Hildenbrandia演化支。此外，rbcL和18S序列测定的鸡公山猿人与日本猿人的遗传相似性以及种内形态可塑性表明，鸡公山猿人与日本猿人属于同种。据此，我们提出了鸡公山猴和日本猴的分类归并。此外，我们建议对亚洲淡水Hildenbrandia进行更多的分子和形态学研究，以确定H. jigongshanensis是否与先前在印度描述的H. ramanaginae相同。

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来源期刊

Phycological Research 生物-海洋与淡水生物学

CiteScore

3.60

自引率

13.30%

发文量

审稿时长

>12 weeks

期刊介绍： Phycological Research is published by the Japanese Society of Phycology and complements the Japanese Journal of Phycology. The Journal publishes international, basic or applied, peer-reviewed research dealing with all aspects of phycology including ecology, taxonomy and phylogeny, evolution, genetics, molecular biology, biochemistry, cell biology, morphology, physiology, new techniques to facilitate the international exchange of results. All articles are peer-reviewed by at least two researchers expert in the filed of the submitted paper. Phycological Research has been credited by the International Association for Plant Taxonomy for the purpose of registration of new non-vascular plant names (including fossils).