Xanthomonas oryzae
Scientific classification Edit this classification
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 2 "Xanthomonas oryzae" (PDF). Archived from the original (PDF) on November 23, 2008.
  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". Crop Protection. 25 (3): 244–252. doi:10.1016/j.cropro.2005.04.013. ISSN 0261-2194.
  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.
  4. ↑ Ercoli, María Florencia; Luu, Dee Dee; Rim, Ellen Youngsoo; Shigenaga, Alexandra; Teixeira de Araujo, Artur; Chern, Mawsheng; Jain, Rashmi; Ruan, Randy; Joe, Anna; Stewart, Valley; Ronald, Pamela (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. PMC 8872720. PMID 35131901.


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