A multigene approach for assessing evolutionary relationships of Xenorhabdus spp. (γ-Proteobacteria), the bacterial symbionts of entomopathogenic Steinernema nematodes

Lee, Ming Min; Stock, S. Patricia

doi:10.1016/j.jip.2010.01.005

Cited by 41 publications

(38 citation statements)

References 34 publications

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“…A slight difference between our analysis and that of Tailliez et al (2010) is that our ''C X-IV '' group also contains X. hominickii, although this species is not consistently grouped therein when examining single genes or in the allnucleotide concatenated dataset. A detailed analysis and discussion on the resulting topologies was discussed by Lee & Stock (2010).…”

Section: Nematode and Symbiont Phylogeniesmentioning

confidence: 99%

A multilocus approach to assessing co-evolutionary relationships between Steinernema spp. (Nematoda: Steinernematidae) and their bacterial symbionts Xenorhabdus spp. (γ-Proteobacteria: Enterobacteriaceae)

Lee

Stock

2010

Syst Parasitol

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Nematodes of the genus Steinernema Travassos, 1927 (Nematoda: Steinernematidae) and their associated bacteria, Xenorhabdus spp. (gamma-Proteobacteria), are an emergent model of terrestrial animal-microbe symbiosis. Interest in this association initially arose out of their potential as biocontrol agents against insect pests, but, despite advances in their field application and the growing popularity of this model system, relatively little has been published to uncover the evolutionary facets of this beneficial partnership. This study adds to the body of knowledge regarding nematode-bacteria symbiosis by proposing a possible scenario for their historical association in the form of a cophylogenetic hypothesis. Topological and likelihood based testing methods were employed to reconstruct a history of association between 30 host-symbiont pairs and to gauge the level of similarity between their inferred phylogenetic patterns.

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Section: Nematode and Symbiont Phylogeniesmentioning

confidence: 99%

A multilocus approach to assessing co-evolutionary relationships between Steinernema spp. (Nematoda: Steinernematidae) and their bacterial symbionts Xenorhabdus spp. (γ-Proteobacteria: Enterobacteriaceae)

Lee

Stock

2010

Syst Parasitol

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“…Lee & Stock (2010) analysed the 16S rRNA gene and two housekeeping genes, phosphoserine aminotransferase and recA, while Tailliez et al (2010Tailliez et al ( , 2012 and Kuwata et al (2013) used the genes recA, dnaN, gltX, gyrB and infB. In this study, partial recA, dnaN, gltX, gyrB and infB gene sequences of strains SF87 T , SF80, SF362 and 106-C were analysed using the neighbour-joining method.…”

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confidence: 99%

Description of Xenorhabdus khoisanae sp. nov., the symbiont of the entomopathogenic nematode Steinernema khoisanae

Ferreira

Reenen

Endo

et al. 2013

International Journal of Systematic and Evolutionary Microbiology

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Bacterial strain SF87T, and additional strains SF80, SF362 and 106-C, isolated from the nematode Steinernema khoisanae, are non-bioluminescent Gram-reaction-negative bacteria that share many of the carbohydrate fermentation reactions recorded for the type strains of recognized Xenorhabdus species. Based on 16S rRNA gene sequence data, strain SF87T is shown to be closely related (98 % similarity) to Xenorhabdus hominickii DSM 17903T. Nucleotide sequences of strain SF87 obtained from the recA, dnaN, gltX, gyrB and infB genes showed 96–97 % similarity with Xenorhabdus miraniensis DSM 17902T . However, strain SF87 shares only 52.7 % DNA–DNA relatedness with the type strain of X. miraniensis , confirming that it belongs to a different species. Strains SF87T, SF80, SF362 and 106-C are phenotypically similar to X. miraniensis and X. beddingii , except that they do not produce acid from aesculin. These strains are thus considered to represent a novel species of the genus Xenorhabdus , for which the name Xenorhabdus khoisanae sp. nov. is proposed. The type strain is SF87T ( = DSM 25463T = ATCC BAA-2406T).

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“…With respect to Steinernema-Xenorhabdus, Lee and Stock (2010b) were the first to explore their coevolutionary histories. The study considered a multigene approach for both nematodes and their symbionts.…”

Section: Entomopathogenic Nematodes-bacteria Cophylogenetic Studiesmentioning

confidence: 99%

Diversity, Biology and Evolutionary Relationships

Stock

2015

Nematode Pathogenesis of Insects and Other Pests

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A multigene approach for assessing evolutionary relationships of Xenorhabdus spp. (γ-Proteobacteria), the bacterial symbionts of entomopathogenic Steinernema nematodes

Cited by 41 publications

References 34 publications

A multilocus approach to assessing co-evolutionary relationships between Steinernema spp. (Nematoda: Steinernematidae) and their bacterial symbionts Xenorhabdus spp. (γ-Proteobacteria: Enterobacteriaceae)

A multilocus approach to assessing co-evolutionary relationships between Steinernema spp. (Nematoda: Steinernematidae) and their bacterial symbionts Xenorhabdus spp. (γ-Proteobacteria: Enterobacteriaceae)

Description of Xenorhabdus khoisanae sp. nov., the symbiont of the entomopathogenic nematode Steinernema khoisanae

Diversity, Biology and Evolutionary Relationships

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