Prosthecobacter

Prosthecobacter is a genus of bacteria from the phylum Verrucomicrobiota with a distinctive characteristic; the presence of tubulin-like genes. Tubulins, which are components of the microtubule, have never been observed in Gracilicutes before.

Prosthecobacter
Scientific classification
Domain: Bacteria
Phylum: Verrucomicrobiota
Class: Verrucomicrobiae
Order: Verrucomicrobiales
Family: Verrucomicrobiaceae
Genus: Prosthecobacter
Staley et al. 1976 ex Staley et al. 1980[1]
Type species
Prosthecobacter fusiformis
Staley et al. 1976 ex Staley et al. 1980
Species

Tubulin was long thought to be specific to eukaryotes. More recently, however, several prokaryotic proteins have been shown to be related to tubulin.[2][3][4][5]

Most bacteria have a homologous structure, FtsZ. Prosthecobacter are the exception to this, containing genes that have higher sequence homology to eukaryotic tubulin than FtsZ.

These genes are called bacterial tubulin a (BtubA) and bacterial tubulin b (BtubB). The properties are not exactly same. However, surface loops and microtubules are extremely similar.

Phylogeny

The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN)[1] and National Center for Biotechnology Information (NCBI)[6]

16S rRNA based LTP_01_2022[7][8][9] 120 marker proteins based GTDB 07-RS207[10][11][12]
 
 
 

P. fluviatilis Takeda et al. 2008

 
 

P. vanneervenii Hedlund et al. 1998

 
 
 
 

Brevifollis gellanilyticus Otsuka et al. 2013

 
 
 

P. debontii Hedlund et al. 1998

 
 
 

P. dejongeii Hedlund et al. 1998

 
 
 

P. algae Lee et al. 2014

 
 

P. fusiformis Staley et al. 1976 ex Staley et al. 1980

 
 
 
 
 
 
 
 

P. vanneervenii

 
 
 

Brevifollis gellanilyticus

 
 
 

P. debontii

 
 
 

P. dejongeii

 
 

P. fusiformis

 
 
 
 
 

See also

References
  1. J.P. Euzéby. "Prosthecobacter". List of Prokaryotic names with Standing in Nomenclature (LPSN). Retrieved 2022-09-09.
  2. Nogales E, Downing KH, Amos LA, Löwe J (June 1998). "Tubulin and FtsZ form a distinct family of GTPases". Nature Structural Biology. 5 (6): 451–8. doi:10.1038/nsb0698-451. PMID 9628483. S2CID 5945125.
  3. Jenkins C, Samudrala R, Anderson I, Hedlund BP, Petroni G, Michailova N, Pinel N, Overbeek R, Rosati G, Staley JT (December 2002). "Genes for the cytoskeletal protein tubulin in the bacterial genus Prosthecobacter". Proceedings of the National Academy of Sciences of the United States of America. 99 (26): 17049–54. Bibcode:2002PNAS...9917049J. doi:10.1073/pnas.012516899. PMC 139267. PMID 12486237.
  4. Yutin N, Koonin EV (March 2012). "Archaeal origin of tubulin". Biology Direct. 7: 10. doi:10.1186/1745-6150-7-10. PMC 3349469. PMID 22458654.
  5. Larsen RA, Cusumano C, Fujioka A, Lim-Fong G, Patterson P, Pogliano J (June 2007). "Treadmilling of a prokaryotic tubulin-like protein, TubZ, required for plasmid stability in Bacillus thuringiensis". Genes & Development. 21 (11): 1340–52. doi:10.1101/gad.1546107. PMC 1877747. PMID 17510284.
  6. Sayers; et al. "Prosthecobacter". National Center for Biotechnology Information (NCBI) taxonomy database. Retrieved 2022-09-09.
  7. "The LTP". Retrieved 23 February 2022.
  8. "LTP_all tree in newick format". Retrieved 23 February 2022.
  9. "LTP_01_2022 Release Notes" (PDF). Retrieved 23 February 2022.
  10. "GTDB release 07-RS207". Genome Taxonomy Database. Retrieved 20 June 2022.
  11. "bac120_r207.sp_labels". Genome Taxonomy Database. Retrieved 20 June 2022.
  12. "Taxon History". Genome Taxonomy Database. Retrieved 20 June 2022.
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