Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

Taxonomy and Phylogenetic Research on Ralstonia solanacearum: A Complex Pathogen with Extraordinary Economic Consequences

Version 1 : Received: 6 September 2020 / Approved: 8 September 2020 / Online: 8 September 2020 (10:19:34 CEST)

How to cite: Paudel, S.; Dobhal, S.; Alvarez, A.M.; Arif, M. Taxonomy and Phylogenetic Research on Ralstonia solanacearum: A Complex Pathogen with Extraordinary Economic Consequences. Preprints 2020, 2020090182 (doi: 10.20944/preprints202009.0182.v1). Paudel, S.; Dobhal, S.; Alvarez, A.M.; Arif, M. Taxonomy and Phylogenetic Research on Ralstonia solanacearum: A Complex Pathogen with Extraordinary Economic Consequences. Preprints 2020, 2020090182 (doi: 10.20944/preprints202009.0182.v1).

Abstract

The bacterial wilt pathogen, first known as Bacillus solanacearum, has undergone numerous taxonomic changes since its first description in 1896. The history and significance of this pathogen is covered in this review with an emphasis on the advances in technology that were used to support each reclassification that finally led to the current separation of Ralstonia solanacearum into three genomic species. Frequent name changes occurred as methodology transitioned from phenotypic, biochemical, and molecular studies, to genomics and functional genomics. The diversity, wide host range and geographical distribution of R. solanacearum has resulted in its inclusion in a “species complex” as genomic analyses of elucidated phylogenetic relationships among strains. Current advances in phylogenetics and functional genomics now open new avenues for research into the epidemiology and control of the devastating bacterial wilt disease.

Subject Areas

Ralstonia solanacearum species complex; taxonomy; phylogenomic; plant bacteria; tomato wilt; bacterial wilt; brown rot of potato; Granville Wilt of tobacco; moko disease of banana; Bugtok disease; spewy eye

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