Edaphophycus epilithus gen. et sp. nov. (Oscillatoriales, cyanobacteria) with a description of the morphology and molecular phylogeny

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2022-07-26 DOI:10.1111/pre.12499

Nam‐Ju Lee, Taehee Kim, Do‐Hyun Kim, Jang‐Seu Ki, Ok‐Min Lee

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引用次数: 0

Abstract

Two strains of subaerial cyanobacteria were collected from two locations of the Republic of Korea, one in Seoul and the other in Gyeonggi‐do, both of which were studied using morphological and molecular traits. The genus Edaphophycus belonging to the family Coleofasciculaceae is morphologically very similar to the type genus Coleofasciculus and genus Kastovskya. However, in genera Coleofasciculus and Roseofilum thylakoids were reported as radial arrangements, whereas in genera Anagnostidinema, Geitlerinema, Kastovskya, and Wilmottia, belonging to family Coleofasciculaceae, thylakoids were reported as parietal arrangements, and in genus Edaphophycus in this study, thylakoids also appeared as parietal arrangements. Phylogenetic analysis of 16S rRNA showed that our two Edaphophycus epilithus strains clustered in the same clade, forming a sister relationship with genus Anagnostidinema. This suggested that our species belongs to the family Coleofasciculaceae. In addition, the ITS structure of E. epilithus showed different features when compared with genera Coleofasciculus and Anagnostidinema. These results demonstrated that E. epilithus sp. nov. is unique in morphology and molecular traits. Therefore, we propose this to be a novel species belonging to family Coleofasciculaceae and genus Edaphophycus gen. nov.

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Edaphophycus epilithus gen. et sp. 11 .(振荡菌目，蓝藻门)及其形态和分子系统发育描述

从大韩民国的两个地方采集了两株陆上蓝藻，一株在首尔，另一株在京畿道，这两株蓝藻都进行了形态学和分子性状研究。Edaphophycus属属于小蠊科，在形态上与模式属小蠊属和Kastovskya属非常相似。然而，在Coleofasciculus属和Roseofilum类囊体被报道为放射状排列，而在属于Coleofasicculaceae科的Anagnostidinma属、Geitlerinema属、Kastovskya属和Wilmottia属中，类囊体则被报道为顶叶排列，在本研究中，在Edaphophycus属中，类囊体也以顶叶排列出现。对16S rRNA的系统发育分析表明，我们的两个Edaphophycus epilithus菌株聚在同一个分支中，与Anagnostidinma属形成姐妹关系。这表明我们的物种属于小蠊科。此外，E.epilithus的ITS结构与Coleofasciculus属和Anagnostidinma属相比，表现出不同的特征。这些结果表明，E.epilithussp.nov.在形态和分子特征上是独特的。因此，我们认为这是一个新的物种，属于Coleofasciculaceae和Edaphophycus gen.nov属。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.