系统基因组学分析解决了蓝藻多样化的进化模式，揭示了新的南极谱系的进化亲和力。

IF 3.6 1区生物学 Q2 BIOCHEMISTRY & MOLECULAR BIOLOGY

Molecular Phylogenetics and Evolution Pub Date : 2025-07-19 DOI:10.1016/j.ympev.2025.108419

Vadim Goremykin , Claudia Coleine , Caterina Ripa , Laura Selbmann , Claudio Donati

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引用次数: 0

摘要

建立主要蓝藻谱系之间的系统发育关系仍然难以捉摸。在这里，我们报告了一个大型和精心策划的数据集的系统发育分析，这使我们能够以最大的统计支持解决蓝藻多样化的一般模式，并解决关于南极蓝藻多样性的有限知识。该分析包括从南极洲海拔高达3.4公里的不同岩石栖息地取样的新型宏基因组组装基因组（MAGs）。这里提出的结果揭示了以前未检测到的谱系，并为自然蓝藻分类提供了一个强大的系统发育框架。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Phylogenomic analysis resolves the evolutionary pattern of diversification of cyanobacteria and reveals the evolutionary affinity of novel Antarctic lineages

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Phylogenomic analysis resolves the evolutionary pattern of diversification of cyanobacteria and reveals the evolutionary affinity of novel Antarctic lineages

Establishing phylogenetic relationships among the major cyanobacterial lineages remains elusive. Here we report a phylogenetic analysis of a large and well curated dataset, which allowed us to resolve with maximum statistical support the general pattern of cyanobacterial diversification and to address the limited knowledge regarding the diversity of Antarctic cyanobacteria. The analysis included novel Metagenome-Assembled Genomes (MAGs) sampled from diverse lithic habitats across Antarctica at elevations up to 3.4 km. The results presented here revealed previously undetected lineages and provided a robust phylogenetic framework for a natural cyanobacterial classification.

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来源期刊

Molecular Phylogenetics and Evolution 生物-进化生物学

CiteScore

7.50

自引率

7.30%

发文量

249

审稿时长

7.5 months

期刊介绍： Molecular Phylogenetics and Evolution is dedicated to bringing Darwin''s dream within grasp - to "have fairly true genealogical trees of each great kingdom of Nature." The journal provides a forum for molecular studies that advance our understanding of phylogeny and evolution, further the development of phylogenetically more accurate taxonomic classifications, and ultimately bring a unified classification for all the ramifying lines of life. Phylogeographic studies will be considered for publication if they offer EXCEPTIONAL theoretical or empirical advances.