Morpho-molecular analysis of podolampadacean dinoflagellates (Dinophyceae), with the description of two new genera

IF 1.5 4区生物学 Q3 MARINE & FRESHWATER BIOLOGY Phycologia Pub Date : 2023-02-01 DOI:10.1080/00318884.2022.2158281

K. Mertens, M. C. Carbonell-Moore, N. Chomérat, Gwenael Bilien, S. Boulben, L. Guillou, S. Romac, I. Probert, Akira Ishikawa, É. Nézan

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Abstract

ABSTRACT Sequences were obtained for 58 podolampadacean single cells from France, Reunion Island (French territories) and Japan (6 SSU rDNA only, 40 SSU+LSU and 12 LSU only). The sequenced taxa belong to five of the eight described genera: Podolampas, Blepharocysta, Lissodinium, Gaarderiella and Mysticella. Two new genera, Alatosphaera and Pseudalatosphaera, were erected to accommodate ‘Blepharocysta’ hermosillae and ‘Blepharocysta’ denticulata. Most genera are well supported by concatenated LSU–SSU rDNA phylogenies, with the least support for Lissodinium. Metabarcoding of podolampadaceans using the V4 region of SSU rDNA showed a resolution too low to discriminate genera or species. Roscoffia and Cabra are here considered podolampadaceans, whilst Lessardia is considered to belong in a separate family. The relationship of Rhinodinium to the Podolampadaceae needs further study. Desmoschisis was recorded for the first time in Alatosphaera and Pseudalatosphaera. Several ribotypes need further study to attribute a species name to them.

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鞭毛藻科鞭毛藻的形态-分子分析及两个新属的描述

摘要从法国、留尼汪岛(法属领土)和日本获得58个袋足动物单细胞序列(6个SSU rDNA, 40个SSU+LSU和12个LSU)。测序的分类群属于8个已描述属中的5个:Podolampas、Blepharocysta、Lissodinium、Gaarderiella和Mysticella。为了容纳“Blepharocysta”hermosillae和“Blepharocysta”denticulata，建立了两个新属，Alatosphaera和pseudoalatosphaera。大多数属得到串联LSU-SSU rDNA系统发育的良好支持，Lissodinium的支持最少。利用SSU rDNA的V4区对圆齿目动物进行元条形码编码，分辨率太低，无法区分属或种。Roscoffia和Cabra在这里被认为是podolampadacia，而Lessardia被认为属于一个单独的家庭。该属植物与水蛭科植物的关系有待进一步研究。在alatatosphaera和pseudoalatosphaera中首次记录到desmoschia。有几种核糖型需要进一步研究才能赋予它们一个物种名称。

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来源期刊

Phycologia 生物-海洋与淡水生物学

CiteScore

3.10

自引率

18.80%

发文量

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.