Caulobacter

Caulobacter is a genus of Gram-negative bacteria in the class Alphaproteobacteria.[1] Its best-known member is Caulobacter crescentus, an organism ubiquitous in freshwater lakes and rivers; many members of the genus are specialized to oligotrophic environments.

Caulobacter
Caulobacter crescentus
Scientific classification
Domain: Bacteria
Phylum: Pseudomonadota
Class: Alphaproteobacteria
Order: Caulobacterales
Family: Caulobacteraceae
Genus: Caulobacter
Poindexter 1964
Species

C. crescentus
C. daechungensis
C. flavus
C. fusiformis
C. ginsengisoli
C. heinricii
C. hibisci
C. mirabilis
C. mirare
C. profundis
C. radicis
C. rhizosphaerae
C. segnis
C. zeae

Interactions with other organisms

Pathogenicity

Although Caulobacter is not commonly appreciated as a cause of human diseases, Caulobacter isolates have been implicated in a number of cases of recurrent peritonitis in peritoneal dialysis patients.[2][3] One study has identified the species C. crescentus and C. mirare as the cause of a disease of the moth Galleria mellonella; the absence of identified distinct virulence factors in C. mirare may suggest that other Caulobacter species have pathogenic potential.[4]

References
  1. Poindexter, JS (Sep 1964). "Biological Properties and Classification of the Caulobacter Group". Microbiol. Mol. Biol. Rev. 28 (3): 231–95. doi:10.1128/mmbr.28.3.231-295.1964. PMC 441226. PMID 14220656.
  2. Justesen, Ulrik; Holt, Hanne; et al. (April 2007). "Report of the First Human Case of Caulobacter sp. Infection". Journal of Clinical Microbiology. 45 (4): 1366–1369. doi:10.1128/JCM.02380-06. PMC 1865810. PMID 17267638.
  3. Rosado, Consolación; Manzanedo, Rosario; et al. (December 2015). "Recurrent Peritonitis Due to Caulobacter crescentus as a Rare Cause of Dialysis Technique Failure". Peritoneal Dialysis International. 35 (7): 766–767. doi:10.3747/pdi.2014.00293. PMC 4690638. PMID 26703852.
  4. Moore, Gabriel; Gitai, Zemer (12 March 2020). "Both clinical and environmental Caulobacter species are virulent in the Galleria mellonella infection model". PLOS ONE. 15 (3): e0230006. Bibcode:2020PLoSO..1530006M. doi:10.1371/journal.pone.0230006. PMC 7067423. PMID 32163465.
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