Mutation is the main driving force in the diversification of the Vibrio splendidus clade

Tomoo Sawabe; Shinichi Koizumi; Youhei Fukui; Satoshi Nakagawa; Elena P. Ivanova; Kumiko Kita-Tsukamoto; Kazuhiro Kogure; Fabiano L. Thompson

doi:10.1264/jsme2.ME09128

Mutation is the main driving force in the diversification of the Vibrio splendidus clade

Tomoo Sawabe, Shinichi Koizumi, Youhei Fukui, Satoshi Nakagawa, Elena P. Ivanova, Kumiko Kita-Tsukamoto, Kazuhiro Kogure, Fabiano L. Thompson

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

The Vibrio splendidus clade is the biggest in Vibrionales composed of 11 described species (25). Diversification of these species may have occurred 260 million years ago. The main driving forces of speciation in this clade have never been studied. Population biological parameters (population base recombination rate (ρ), population base mutation rate (θ), and index of association (Ia)) were determined among 16 strains of 9 defined species in the Splendidus cluster. A comparison of individual gene phylogeny indicated significant incongruence in tree topology, which suggests the occurrence of recombination between species. Homologous recombination between species was detected at four loci. However, the mutation rate θ was higher than the recombination rate ρ, suggesting that mutation is the main driving force in the diversification of V. splendidus-related species.

Original language	English
Pages (from-to)	281-285
Number of pages	5
Journal	Microbes and environments
Volume	24
Issue number	4
DOIs	https://doi.org/10.1264/jsme2.ME09128
Publication status	Published - Sept 3 2009
Externally published	Yes

All Science Journal Classification (ASJC) codes

Ecology, Evolution, Behavior and Systematics
Soil Science
Plant Science

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10.1264/jsme2.ME09128

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title = "Mutation is the main driving force in the diversification of the Vibrio splendidus clade",

abstract = "The Vibrio splendidus clade is the biggest in Vibrionales composed of 11 described species (25). Diversification of these species may have occurred 260 million years ago. The main driving forces of speciation in this clade have never been studied. Population biological parameters (population base recombination rate (ρ), population base mutation rate (θ), and index of association (Ia)) were determined among 16 strains of 9 defined species in the Splendidus cluster. A comparison of individual gene phylogeny indicated significant incongruence in tree topology, which suggests the occurrence of recombination between species. Homologous recombination between species was detected at four loci. However, the mutation rate θ was higher than the recombination rate ρ, suggesting that mutation is the main driving force in the diversification of V. splendidus-related species.",

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AU - Sawabe, Tomoo

AU - Koizumi, Shinichi

AU - Fukui, Youhei

AU - Nakagawa, Satoshi

AU - Ivanova, Elena P.

AU - Kita-Tsukamoto, Kumiko

AU - Kogure, Kazuhiro

AU - Thompson, Fabiano L.

PY - 2009/9/3

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Mutation is the main driving force in the diversification of the Vibrio splendidus clade

Abstract

All Science Journal Classification (ASJC) codes

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