Xanthomonas hortorum
| Xanthomonas hortorum | |
|---|---|
| |
| Leaf spot on English ivy plant, caused by Xanthomonas hortorum | |
Scientific classification 
| |
| Domain: | Bacteria |
| Kingdom: | Pseudomonadati |
| Phylum: | Pseudomonadota |
| Class: | Gammaproteobacteria |
| Order: | Xanthomonadales |
| Family: | Xanthomonadaceae |
| Genus: | Xanthomonas |
| Species: | X. hortorum
|
| Binomial name | |
| Xanthomonas hortorum Vauterin et al. 1995
| |
Xanthomonas hortorum is a plant pathogen. It includes the following pathovars:
- pv. hederae, common ivy and possibly other Araliaceae[1]
- pv. taraxaci, Pelargonium peltatum[1]
- pv. carotae, wild carrot[1]
- pv. pelargonii, Kazakh dandelion
- pv. vitians, bacterial leafspot and headrot of lettuce, using the neopathotype of LMG 938[1]
- pv. cynarae, formerly Xanthomonas cynarae, pathogenic on artichoke[1]
- pv. gardneri, formerly Xanthomonas gardneri and briefly X. cynarae pv. gardneri, bacterial leafspot of peppers and tomatoes (pathotype also causes BLS on lettuce surprisingly)[1]
The species was originally defined in 1995 as a grouping of pathovars hederae, taraxaci, carotae, pelargonii from Xanthomonas campestris, and the lettuce-infecting part of X. c. pv. vitians. (X. c. pv. vitians was found to consist of two genetic groups, only one of which causes disease on lettuce.)[1]
External links
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- ^ a b c d e f g Morinière, Lucas; Burlet, Alexandre; Rosenthal, Emma R.; Nesme, Xavier; Portier, Perrine; Bull, Carolee T.; Lavire, Céline; Fischer-Le Saux, Marion; Bertolla, Franck (July 2020). "Clarifying the taxonomy of the causal agent of bacterial leaf spot of lettuce through a polyphasic approach reveals that Xanthomonas cynarae Trébaol et al. 2000 emend. Timilsina et al. 2019 is a later heterotypic synonym of Xanthomonas hortorum Vauterin et al. 1995". Systematic and Applied Microbiology. 43 (4): 126087. doi:10.1016/j.syapm.2020.126087.