Genome analysis and biogeographic distribution of the earliest divergent Frankia clade in the southern hemisphere.

IF 3.5 3区生物学 Q2 MICROBIOLOGY

FEMS microbiology ecology Pub Date : 2024-04-10 DOI:10.1093/femsec/fiae042

Fede Berckx, Daniel Wibberg, Andreas Brachmann, Ciara Morrison, Nadia B Obaid, Jochen Blom, Jörn Kalinowski, Luis G Wall, Katharina Pawlowski

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引用次数: 0

Abstract

Coriariaceae are a small plant family of 14-17 species and subspecies that currently have a global but disjunct distribution. All species can form root nodules in symbiosis with diazotrophic Frankia cluster-2 strains, which form the earliest divergent symbiotic clade within this bacterial genus. Studies on Frankia cluster-2 mostly have focused on strains occurring in the northern hemisphere. Except for one strain from Papua New Guinea, namely Candidatus Frankia meridionalis Cppng1, no complete genome of Frankia associated with Coriaria occurring in the southern hemisphere has been published thus far, yet the majority of the Coriariaceae species occur here. We present field sampling data of novel Frankia cluster-2 strains, representing two novel species, which are associated with Coriaria arborea and Coriaria sarmentosa in New Zealand, and with Coriaria ruscifolia in Patagonia (Argentina), in addition to identifying Ca. F. meridionalis present in New Zealand. The novel Frankia species were found to be closely related to both Ca. F. meridionalis, and a Frankia species occurring in the Philippines, Taiwan, and Japan. Our data suggest that the different Frankia cluster-2 species diverged early after becoming symbiotic circa 100 million years ago.

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南半球最早分化的法兰克亚支系的基因组分析和生物地理分布。

棣棠科（Coriariaceae）是一个由 14-17 个种和亚种组成的小型植物科，目前分布在全球各地，但并不连贯。所有物种都能与重氮弗兰克斯菌群-2 菌株共生形成根瘤，后者是该细菌属中最早分化的共生支系。对 Frankia cluster-2 的研究大多集中在北半球的菌株上。除了一株来自巴布亚新几内亚的菌株（即 Candidatus Frankia meridionalis Cppng1）外，迄今为止还没有发表过与南半球蚬属植物相关的法兰克菌的完整基因组，而大多数蚬属植物都在南半球。我们提供了代表两个新物种的新型法兰克茵簇-2 株系的野外采样数据，这两个新物种分别与新西兰的 arborea 蚬和 sarmentosa 蚬以及阿根廷巴塔哥尼亚的 ruscifolia 蚬有关，此外还发现了存在于南半球的 Ca.F.meridionalis。新发现的法兰克尼亚物种与 Ca.F.meridionalis以及菲律宾、台湾和日本的一个法兰克尼亚种密切相关。我们的数据表明，不同的 Frankia cluster-2 物种在大约 1 亿年前开始共生后，很早就发生了分化。

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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来源期刊

FEMS microbiology ecology 生物-微生物学

CiteScore

7.50

自引率

2.40%

发文量

132

审稿时长

3 months

期刊介绍： FEMS Microbiology Ecology aims to ensure efficient publication of high-quality papers that are original and provide a significant contribution to the understanding of microbial ecology. The journal contains Research Articles and MiniReviews on fundamental aspects of the ecology of microorganisms in natural soil, aquatic and atmospheric habitats, including extreme environments, and in artificial or managed environments. Research papers on pure cultures and in the areas of plant pathology and medical, food or veterinary microbiology will be published where they provide valuable generic information on microbial ecology. Papers can deal with culturable and non-culturable forms of any type of microorganism: bacteria, archaea, filamentous fungi, yeasts, protozoa, cyanobacteria, algae or viruses. In addition, the journal will publish Perspectives, Current Opinion and Controversy Articles, Commentaries and Letters to the Editor on topical issues in microbial ecology. - Application of ecological theory to microbial ecology - Interactions and signalling between microorganisms and with plants and animals - Interactions between microorganisms and their physicochemical enviornment - Microbial aspects of biogeochemical cycles and processes - Microbial community ecology - Phylogenetic and functional diversity of microbial communities - Evolutionary biology of microorganisms

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