====== Rice (//Oryza// spp.) ======

Author: Ralf Koebnik\\
Internal reviewer: FIXME\\
Expert reviewer: FIXME\\

===== Pathogen: //Xanthomonas oryzae// pv. //oryzae// =====

==== Resistance gene: //Xa1// ====

=== Synonyms ===

=== Source ===
Rice cultivar Kogyoku (Sakaguchi, 1967).

=== Status (identified, mapped, cloned, sequenced) ===
Mapped on chromosome 4 (Sakaguchi, 1967); sequenced (Yoshimura //et al//., 1998).

=== Molecular markers ===
RAPD markers (Yoshimura //et al//., 1995).

=== Brief description ===
NB-LRR class protein (Yoshimura //et al//., 1998).

==== References ====

Sakaguchi S (1967). Linkage studies on the resistance to bacterial leaf blight,
//Xanthomonas oryzae// (Uyeda et Ishiyama) Dowson, in rice. Bull. Natl. Inst. Agr. Sci. Ser.
D 16: 1-18.

Yoshimura S, Yamanouchi U, Katayose Y, Toki S, Wang ZX, Kono I, Kurata N, Yano M,
Iwata N, Sasaki T (1998). Expression of //Xa1//, a bacterial blight-resistance gene in rice, is
induced by bacterial inoculation. Proc. Natl. Acad. Sci. U.S.A. 95(4): 1663-1668. DOI: [[https://doi.org/10.1073/pnas.95.4.1663|10.1073/pnas.95.4.1663]].

Yoshimura S, Yoshimura A, Nelson R.J., Mew T.W., Iwata N. (1995). Tagging //Xa-1//, the
bacterial blight resistance gene in rice, by using RAPD markers. Breed. Sci. 45(1): 81-
85. DOI: [[https://doi.org/10.1270/jsbbs1951.45.81|10.1270/jsbbs1951.45.81]].


===== Pathogen: //Xanthomonas oryzae// pv. //oryzae// =====

==== Resistance gene: //Xa2// ====

=== Synonyms ===

=== Source ===
Rice cultivar Te-tep (Sakaguchi, 1967).

=== Status (identified, mapped, cloned, sequenced) ===
Mapped on the long arm of chromosome 4.

=== Molecular markers ===
SSR markers (He //et al//., 2006).

=== Brief description ===

==== References ====

Sakaguchi S (1967). Linkage studies on the resistance to bacterial leaf blight,
//Xanthomonas oryzae// (Uyeda et Ishiyama) Dowson, in rice. Bull. Natl. Inst. Agr. Sci. Ser.
D 16: 1-18.

He Q, Li D, Zhu Y, Tan M, Zhang D, Lin X (2006). Fine mapping of //Xa2//, a bacterial
blight resistance gene in rice. Mol. Breed. 17(1): 106. DOI: [[https://doi.org/10.1007/s11032-005-8698-2|10.1007/s11032-005-8698-2]].


===== Pathogen: //Xanthomonas oryzae// pv. //oryzae// =====

==== Resistance gene: //Xa3// ====

=== Synonyms ===
//Xa-w// (Ezuka //et al//., 1975).

=== Source ===
Rice cultivar Wase Aikoku 3 (Ezuka //et al//., 1975), Chugoku 45 (Ogawa //et al//., 1986a), Java 14 (Ogawa //et al//., 1986a).

=== Status (identified, mapped, cloned, sequenced) ===
Mapped on the long arm of chromosome 4 (Yoshimura //et al//., 1992); sequenced (Sun //et al//., 2004; Xiang //et al//., 2006).

=== Molecular markers ===
RFLP marker (Yoshimura //et al//., 1995), PCR-based SNP markers (Hur //et al//., 2013).

=== Brief description ===
Allelic to //Xa6// (Ogawa //et al//., 1986b); allelic to //Xa26// (Xiang //et al//., 2006); NB-LRR class protein.

==== References ====

Ezuka A, Horino O, Toriyama K, Shinoda H, Morinaka T (1975). Inheritance of
resistance of rice variety Wase Aikoku 3 to //Xanthomonas oryzae//. Bull. Tokai-Kinki Natl
Agric. Exp. Stn. 28: 124-130.

Hur YJ, Jeung JU, Kim SY, Park HS, Cho JH, Lee JY, Sohn YB, Song YC, Park DS, Lee
CW, Sohn JG, Nam MH, Lee JH (2013). Functional markers for bacterial blight
resistance gene //Xa3// in rice. Mol. Breed. 31(4): 981-985. DOI: [[https://doi.org/10.1007/s11032-012-9831-7|10.1007/s11032-012-9831-7]].

Ogawa T, Yamamoto T, Khush GS, Mew TW (1986a). The //Xa-3// gene for resistance to
Philippine races of bacterial blight of rice. Rice Genetics Newsletter 3: 77.

Ogawa T, Yamamoto T, Khush GS, Mew TW (1986b). The relationship between genes
//Xa-3// and //Xa-6// for resistance to rice bacterial blight. Rice Genetics Newsletter 3: 79.

Sun X, Cao Y, Yang Z, Xu C, Li X, Wang S, Zhang Q (2004). //Xa26//, a gene conferring
resistance to //Xanthomonas oryzae// pv. //oryzae// in rice, encodes an LRR receptor kinase-
like protein. Plant J. 37(4): 517-527. DOI: [[https://doi.org/10.1046/j.1365-313X.2003.01976.x|10.1046/j.1365-313X.2003.01976.x]].

Xiang Y, Cao Y, Xu C, Li X, Wang S (2006). //Xa3//, conferring resistance for rice bacterial
blight and encoding a receptor kinase-like protein, is the same as //Xa26//. Theor. Appl.
Genet. 113(7): 1347-1355. DOI: [[https://doi.org/10.1007/s00122-006-0388-x|10.1007/s00122-006-0388-x]].

Yoshimura S, Yoshimura A, Iwata N, McCouch SR, Abenes ML, Baraoidan MR, Mew
TW, Nelson RJ (1995). Tagging and combining bacterial blight resistance genes in rice
using RAPD and RFLP markers. Mol. Breed. 1(4): 375-387. DOI: [[https://doi.org/10.1007/BF01248415|10.1007/BF01248415]].

Yoshimura S, Yoshimura A, Saito A, Kishimoto N, Kawase M, Yano M, Nakagahra M,
Ogawa T, Iwata N (1992). RFLP analysis of introgressed chromosomal segments in
three near-isogenic lines of rice for bacterial blight resistance genes, //Xa-1//, //Xa-3// and //Xa-4//. Jpn. J. Genet. 67: 29-37. DOI: [[https://doi.org/10.1266/jjg.67.29|10.1266/jjg.67.29]].