Biology:Xanthomonas oryzae

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Short description: Species of bacterium

Xanthomonas oryzae
Scientific classification edit
Domain: Bacteria
Phylum: Pseudomonadota
Class: Gammaproteobacteria
Order: Xanthomonadales
Family: Xanthomonadaceae
Genus: Xanthomonas
Species:
X. oryzae
Binomial name
Xanthomonas oryzae
(Ishiyama 1922) Swings et al., 1990
Pathovars

Xanthomonas oryzae is a species of bacteria. The major host of the bacterium is rice.[1]

The species contains two pathovars, neither of which is native to Europe: X. o. pv. oryzae and X. o. pv. oryzicola.[1]

Xanthomonas oryzae epidemics can cause yield losses ranging from 2-74%,[2] and the bacteria can be carried on rice seeds, causing further disease spread.[3]

The host resistance gene, Xa21, from Oryza longistaminata, is integrated into the genome of Oryza sativa for its broad-range resistance to rice leaf blight caused by X. o. pv. oryzae.[4]

References

  1. 1.0 1.1 "Xanthomonas oryzae". http://www.eppo.org/QUARANTINE/bacteria/Xanthomonas_oryzae/XANTOR_ds.pdf. 
  2. Rajarajeswari, N. V. L.; Muralidharan, K. (2006-03-01). "Assessments of farm yield and district production loss from bacterial leaf blight epidemics in rice" (in en). Crop Protection 25 (3): 244–252. doi:10.1016/j.cropro.2005.04.013. ISSN 0261-2194. https://www.sciencedirect.com/science/article/pii/S0261219405001420. 
  3. Chakravarti, B P; Rangarajan, M (1967-07-01). "A virulent strain of Xanthomonas oryzae isolated from rice seeds in India". Phytopathology 57 (7): 688–690. ISSN 1943-7684. PMID 6077705. https://europepmc.org/article/med/6077705. 
  4. Ercoli, María Florencia; Luu, Dee Dee; Rim, Ellen Youngsoo; Shigenaga, Alexandra; Teixeira de Araujo, Artur; Chern, Mawsheng; Jain, Rashmi; Ruan, Randy et al. (2022-02-07). "Plant immunity: Rice XA21-mediated resistance to bacterial infection". Proceedings of the National Academy of Sciences 119 (8): e2121568119. doi:10.1073/pnas.2121568119. ISSN 0027-8424. PMID 35131901. 

External links

Wikidata ☰ Q8043056 entry