利用rbc L和LSU序列对越南Grateloupia复合体(Rhodophyta)进行系统修正,并附有Phyllymenia nhatrangensis sp. nov的描述。

IF 1.5 4区 生物学 Q3 MARINE & FRESHWATER BIOLOGY Phycologia Pub Date : 2023-09-03 DOI:10.1080/00318884.2023.2247175
Xuan-Vy Nguyen, Lawrence M. Liao, Showe-Mei Lin
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引用次数: 0

摘要

【摘要】由于在形态上的表面相似性、种界不清以及缺乏诊断特征等方面存在许多有待全面解决的空白,使得拉托格鲁皮亚(grateloupia sensu lato)的分类历史漫长而麻烦。在本研究中,我们通过对雌性生殖结构的详细观察,并基于rbcL和LSU rDNA序列分析推断了越南发生的Grateloupia-like物种的系统发育关系。新种Phyllymenia nhatrangensis sp. 11 .与其姊妹种P. gibbesii的皮层厚度不同。新种稍扁平,由二到四个主叶片组成,有许多边缘和一些表面,披针形的小片。叶面尺寸也比长臂猿小,长而宽。然而,新种与来自西太平洋的p.t aiensis和p.p huangiae共享,存在频繁的边缘增殖。基于rbcL, P. nhatrangensis与P. gibbesii的差异为3.3% (39 bp)。加上目前的增加,现在有16种,其中包括9种Grateloupia, 3种Phyllymenia, 2种Yonagunia和1种Dermocorynus和Prionitis。感谢越南海洋研究所所长Dao Viet Ha博士、海洋植物系工作人员和越南科学院食品与环境安全(越南中部)重点实验室允许我们使用他们的设备。LML感谢广岛大学生命综合科学研究生院提供的旅行支持。两位匿名审稿人提出的重要建议有助于改进本文,我们对此表示感谢。声明作者未报告潜在的利益冲突。本文的补充数据可在https://doi.org/10.1080/00318884.2023.2247175Additional上获得。本研究由越南科学技术研究院资助,资助项目TĐĐTB0.04/21-23。
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Systematic revision of the Grateloupia complex (Rhodophyta) from Vietnam using rbc L and LSU sequences, with the description of Phyllymenia nhatrangensis sp. nov.
ABSTRACTGrateloupia sensu lato has had a long and troublesome taxonomic history because of superficial similarities in morphology, ill-defined species boundaries and lack of diagnostic characters that leave many gaps that still need to be fully resolved. In this study, we carried out detailed observations on female reproductive structures, and inferred the phylogenetic relationships of the Grateloupia-like species occurring in Vietnam based on rbcL and LSU rDNA sequence analyses. The new species Phyllymenia nhatrangensis sp. nov. differs from its sister species P. gibbesii in the thickness of the cortex. The new species is slightly flattened, composed of two to four main blades, bearing numerous marginal and a few superficial, lanceolate bladelets. Blade sizes of P. nhatrangensis are also smaller than those of P. gibbesii, which are longer and wider. However, the new species shares with species from western Pacific Ocean, such as P. taiwanensis and P. huangiae, the presence of frequent marginal proliferations. Based on rbcL, the divergence between P. nhatrangensis and P. gibbesii was 3.3% (39 bp). With the present addition, Grateloupia sensu lato now comprises 16 species, including nine species of Grateloupia, three species of Phyllymenia, two species of Yonagunia and one species each of Dermocorynus and Prionitis.KEYWORDS: Auxiliary cell ampullaeMorphologyPhylogenetic analysis ACKNOWLEDGEMENTSWe thank Dr. Dao Viet Ha, director of the Institute of Oceanography, the staff of its Department of Marine Botany, and the Vietnam Academy of Science and Technology Key Lab on Food and Environmental Safety (Central Vietnam), Institute of Oceanography, Vietnam for the permission to use their equipment. LML acknowledges the travel support granted by the Graduate School of Integrated Sciences for Life, Hiroshima University. The critical suggestions from two anonymous reviewers have helped improve the manuscript and are gratefully acknowledged.DISCLOSURE STATEMENTNo potential conflict of interest was reported by the authors.Supplementary InformationSupplemental data for this article can be accessed online at https://doi.org/10.1080/00318884.2023.2247175Additional informationFundingThis work was supported by Vietnam Academy of Science and Technology, under Grant TĐĐTB0.04/21-23.
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来源期刊
Phycologia
Phycologia 生物-海洋与淡水生物学
CiteScore
3.10
自引率
18.80%
发文量
54
审稿时长
3 months
期刊介绍: Phycologia is published bimonthly by the International Phycological Society and serves as a publishing medium for information about any aspect of phycology. Membership in the Society is not necessary for publication. Submitted manuscripts cannot be previously published or submitted elsewhere. Copyright ownership of all accepted papers is held by the International Phycological Society.
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