Paraburkholderia

Paraburkholderia is a genus of Proteobacteria that are gram negative, slightly curved rods that are motile by means of flagella. They have been reported to colonize endophytic tissues of hybrid spruce (Picea glauca x engelmannii) and lodgepole pine with a strong potential to perform biological nitrogen fixation and plant growth promotion.[2][3] Unlike Burkholderia species, Paraburkholderia members are not commonly associated with human infection. Paraburkholderia members form a monophyletic clade within the Burkholderiaceae family, which is what prompted their distinction as a genus independent from Burkholderia species, in combination with the finding of robust conserved signature indels which are unique to Paraburkholderia species, and are lacking in members of the genus Burkholderia.[1] These CSIs distinguish the genus from all other bacteria. Additionally, the CSIs that were found to be shared by Burkholderia species are absent in Paraburkholderia, providing evidence of separate lineages.[4]

Paraburkholderia
Scientific classification
Kingdom:
Bacteria
Phylum:
Proteobacteria
Class:
Betaproteobacteria
Order:
Burkholderiales
Family:
Burkholderiaceae
Genus:
Paraburkholderia

Sawana et al. 2014[1]

Conserved signature indels have also been found within the genus Paraburkholderia.[1] These CSIs are in parallel with phylogenomic analyses that indicate to two monophyletic clades within the genus; one clade harbours unnamed and Candidatus Paraburkholderia, while the other clade is inclusive of environmental Paraburkholderia, commonly used for agricultural purposes.[5] CSIs have been found exclusive to each of these clades, and have not been found specific for any other combination of Paraburkholderia species, providing an additional level of phylogenetic resolution within the genus level.[1][4]

Species

Paraburkholderia comprises the following species:[1][6]

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References
  1. Sawana A, Adeolu M, Gupta RS. (2014). "Molecular signatures and phylogenomic analysis of the genus Burkholderia: Proposal for division of this genus into the emended genus Burkholderia containing pathogenic organisms and a new genus Paraburkholderia gen. nov. harboring environmental species". Front Genet. 5: 429. doi:10.3389/fgene.2014.00429. PMC 4271702. PMID 25566316.CS1 maint: uses authors parameter (link)
  2. Puri, Akshit; Padda, Kiran Preet; Chanway, Chris P. (2020-01-01). "Can naturally-occurring endophytic nitrogen-fixing bacteria of hybrid white spruce sustain boreal forest tree growth on extremely nutrient-poor soils?". Soil Biology and Biochemistry. 140: 107642. doi:10.1016/j.soilbio.2019.107642. ISSN 0038-0717.
  3. Puri, Akshit; Padda, Kiran Preet; Chanway, Chris P. (2018-12-15). "Evidence of endophytic diazotrophic bacteria in lodgepole pine and hybrid white spruce trees growing in soils with different nutrient statuses in the West Chilcotin region of British Columbia, Canada". Forest Ecology and Management. 430: 558–565. doi:10.1016/j.foreco.2018.08.049. ISSN 0378-1127.
  4. Gupta RS. (2016). "Impact of genomics on the understanding of microbial evolution and classification: The importance of Darwin's views on classification". FEMS Microbiol Rev. 40 (4): 520–53. doi:10.1093/femsre/fuw011. PMID 27279642.
  5. Estrada-De Los Santos, P.; Vinuesa, P.; Martínez-Aguilar, L.; Hirsch, A. M.; Caballero-Mellado, J. S. (2013). "Phylogenetic Analysis of Burkholderia Species by Multilocus Sequence Analysis". Current Microbiology. 67 (1): 51–60. doi:10.1007/s00284-013-0330-9. PMID 23404651.
  6. Oren A, Garrity GM. (2015). "List of new names and new combinations previously effectively, but not validly, published". Int J Syst Evol Microbiol. 65 (7): 2017–2025. doi:10.1099/ijs.0.000317. PMC 5817221. PMID 28891789.CS1 maint: uses authors parameter (link)
  7. Roland C. Wilhelm, Sean J. L. Murphy, Nicole M. Feriancek, David C. Karasz, Christopher M. DeRito, Jeffrey D. Newman, Daniel H. Buckley. (2020). "Paraburkholderia madseniana sp. nov., a phenolic acid-degrading bacterium isolated from acidic forest soil". Int J Syst Evol Microbiol. 70 (3). doi:10.1099/ijsem.0.004029.CS1 maint: uses authors parameter (link)
  8. Beukes CW, Steenkamp ET, van Zyl E, Avontuur J, Chan WY, Hassen AI, Palmer M, Mthombeni LS, Phalane FL, Sereme TK, Venter SN. (2019). "Paraburkholderia strydomiana sp. nov. and Paraburkholderia steynii sp. nov.: Rhizobial symbionts of the fynbos legume Hypocalyptus sophoroides". Antonie van Leeuwenhoek. 112 (9): 1369–1385. doi:10.1007/s10482-019-01269-5. PMID 31053961.CS1 maint: uses authors parameter (link)
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