Ralstonia syzygii

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Ralstonia syzygii
Scientific classification
Kingdom: Bacteria
Phylum: Proteobacteria
Class: Betaproteobacteria
Order: Burkholderiales
Family: Burkholderiaceae
Genus: Ralstonia
Binomial name
Ralstonia syzygii
(Roberts et al. 1990)
Vaneechoutte et al. 2004

Pseudomonas syzygii Roberts et al. 1990

Ralstonia syzygii is a species of Proteobacteria of the family of Burkholderiaceae . This bacterium is the plant pathogen responsible for Sumatra disease that affects the cloves in Indonesia . It is transmitted by Hemiptera insects of the spittle group (superfamily Cercopoidea).

This species is classified in the species complex Ralstonia solanacearum, which also includes certain Asian strains of R. solanacearum , a soil bacterium which infects many species of plants, and bacteria from the blood disease of banana (BDB). These three plant pathogenic bacteria are very closely related, despite significant differences biologically, and are grouped in the subgroup phylotype IV species complex Ralstonia solanacearum.[1]


  1. ^ Remenant, Benoît; Cambiaire, Jean-Charles de; Cellier, Gilles; Jacobs, Jonathan M.; Mangenot, Sophie; Barbe, Valérie; Lajus, Aurélie; Vallenet, David; Medigue, Claudine (2011-09-08). "Ralstonia syzygii , the Blood Disease Bacterium and Some Asian R. solanacearum Strains Form a Single Genomic Species Despite Divergent Lifestyles". PLOS ONE. 6 (9): e24356. doi:10.1371/journal.pone.0024356. ISSN 1932-6203. PMC 3169583Freely accessible. PMID 21931687. 

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