Phylogenomic analyses of the genus Actinoplanes: description of four novel genera.

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS ACS Applied Bio Materials Pub Date : 2024-07-01 DOI:10.1099/ijsem.0.006464

Ivan Roman, Victor Fedorenko, Oleksandr Gromyko

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Abstract

The genus Actinoplanes comprises 57 species (in February 2024) that are important components of ecosystems and are widely used in biotechnology, especially pharmaceuticals. Phylogenetic analysis of the family Micromonosporaceae (based on the 16S rRNA gene sequence) allowed us to group members of different genera into separate clades; however, the genus Actinoplanes was divided into three separate clades. Such phylogenetic heterogeneity could be due to the limitations of 16S rRNA gene analysis. In response to this heterogeneity, genomic phylogeny was performed. Phylogenomic reconstruction based on 324 single-copy orthologous genes allowed us to divide the genus Actinoplanes first into four clades and then, based on average nucleotide identity analysis, into five clades. Finally, chemotaxonomic analysis of each clade confirmed each clade's distinctiveness and the necessity to reclassify the genus Actinoplanes. The obtained data allowed us to divide the genus Actinoplanes into five genera: Actinoplanes, Paractinoplanes, Winogradskya, Symbioplanes and Amorphoplanes.

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放线菌属的系统进化分析：描述四个新属。

放线菌属（Actinoplanes）共有 57 个物种（2024 年 2 月），是生态系统的重要组成部分，被广泛应用于生物技术，尤其是制药领域。小孢子虫科的系统发生分析（基于 16S rRNA 基因序列）使我们能够将不同属的成员划分为不同的支系；然而，放线菌属却被划分为三个独立的支系。这种系统发育异质性可能是由于 16S rRNA 基因分析的局限性造成的。针对这种异质性，我们进行了基因组系统发育。根据 324 个单拷贝直向同源基因重建的系统发生组使我们能够将放线虫属首先划分为四个支系，然后根据平均核苷酸同一性分析将其划分为五个支系。最后，对每个支系的化学分类学分析证实了每个支系的独特性以及对放线虫属重新分类的必要性。根据所获得的数据，我们将 Actinoplanes 属划分为五个属：Actinoplanes、Paractinoplanes、Winogradskya、Symbioplanes 和 Amorphoplanes。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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