Pseudomonas chlororaphis
Scientific classification Edit this classification
Domain: Bacteria
Phylum: Pseudomonadota
Class: Gammaproteobacteria
Order: Pseudomonadales
Family: Pseudomonadaceae
Genus: Pseudomonas
Species:
P. chlororaphis
Binomial name
Pseudomonas chlororaphis
(Guignard and Sauvageau 1894)
Bergey, et al. 1930
Type strain
ATCC 9446

CCUG 552 B
CFBP 2132
CIP 63.22
DSM 50083
HAMBI 2011
JCM 2778
LMG 5004
NBRC 3904
NCCB 76041 and 37027
NCTC 13002
VKM B-1246

Synonyms

Bacillus chlororaphis Guignard and Sauvageau 1894

Pseudomonas chlororaphis is a bacterium used as a soil inoculant in agriculture and horticulture. It can act as a biocontrol agent against certain fungal plant pathogens via production of phenazine-type antibiotics.[1] Based on 16S rRNA analysis, similar species have been placed in its group.[2]

A comparative genomic and phylogenomic study in 2020, analyzed 494 complete genomes from the entire Pseudomonas genus, with 43 of them being P. chlororaphis strains.[3] In this study, the P. chlororaphis species was determined, based on its monophyly and criterion of Average Nucleotide Identity. This species lies within the wider P. fluorescens species complex, as determined by.[3][4][5] The protein count and GC content of the strains of this species ranged between 5599–6401 (average: 6076) and between 61.9–64% (average: 62.8%), respectively.[3] In addition, the 43 P. chlororaphis proteomes contained 3587 core proteins (shared among all strains of the species), with 11 core proteins being specific for that group and thus absent in all other strains of the Pseudomonas genus.[3] Two of these 11 group-specific core proteins are a holin family bacteriocin and a mitomycin-like biosynthetic protein and they may confer a competitive advantage against other root-colonizers.[3]

The Pseudomonas chlororaphis group

Pseudomonas chlororaphis lends its name to a subgroup within the genus Pseudomonas. The other members of the P. chlororaphis subgroup are P. aurantiaca, P. aureofaciens, P. fragi, P. lundensis, and P. taetrolens.[2]

References

  1. ↑ Chin-A-Woeng TF, et al. (2000). "Root colonization by phenazine-1-carboxamide-producing bacterium Pseudomonas chlororaphis PCL1391 is essential for biocontrol of tomato foot and root rot". Mol Plant Microbe Interact. 13 (12): 1340–5. doi:10.1094/MPMI.2000.13.12.1340. hdl:1887/62881. PMID 11106026.
  2. 1 2 Anzai; Kim, H; Park, JY; Wakabayashi, H; Oyaizu, H; et al. (Jul 2000). "Phylogenetic affiliation of the pseudomonads based on 16S rRNA sequence". Int J Syst Evol Microbiol. 50 (4): 1563–89. doi:10.1099/00207713-50-4-1563. PMID 10939664.
  3. 1 2 3 4 5 Nikolaidis, Marios; Mossialos, Dimitris; Oliver, Stephen G.; Amoutzias, Grigorios D. (2020-07-24). "Comparative Analysis of the Core Proteomes among the Pseudomonas Major Evolutionary Groups Reveals Species-Specific Adaptations for Pseudomonas aeruginosa and Pseudomonas chlororaphis". Diversity. 12 (8): 289. doi:10.3390/d12080289. ISSN 1424-2818.
  4. ↑ Mulet, Magdalena; Lalucat, Jorge; García-Valdés, Elena (March 2010). "DNA sequence-based analysis of the Pseudomonas species". Environmental Microbiology. 12 (6): 1513–1530. doi:10.1111/j.1462-2920.2010.02181.x. PMID 20192968.
  5. ↑ Scales, Brittan S.; Dickson, Robert P.; LiPuma, John J.; Huffnagle, Gary B. (October 2014). "Microbiology, Genomics, and Clinical Significance of the Pseudomonas fluorescens Species Complex, an Unappreciated Colonizer of Humans". Clinical Microbiology Reviews. 27 (4): 927–948. doi:10.1128/CMR.00044-14. ISSN 0893-8512. PMC 4187640. PMID 25278578.


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