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Hd3a and OsFD1 negatively regulate rice resistance to Xanthomonas oryzae pv. oryzae and Xanthomonas oryzae pv. oryzicola.
Biochem Biophys Res Commun 2019; 513(4):775-780BB

Abstract

In rice, Hd3a, GF14 and OsFD1 proteins, forming florigen activation complex, are key components in flowering time regulation. GF14 genes in rice response to biotic and abiotic stress has also been well addressed. The role of GF14e in rice defense has been well studied. However, whether Hd3a and OsFD1 play roles in defense is unclear. In present study, we identified that Hd3a and OsFD1 expression is repressed by Xoo and JA, and validated that Hd3a and OsFD1 negatively regulate resistance to Xanthomonas oryzae pv. oryzae (Xoo) and Xanthomonas oryzae pv. oryzicola (Xoc). hd3a and osfd1 mutants increase resistance to Xoo and Xoc, and activate JA responsive genes expression. Our data also demonstrate that OsFD1 binds to the promoters of and activates the expression of JAZ genes; Hd3a, cooperating with GF14e, promotes OsFD1 action on JAZ gene expression. The functional confirmation of Hd3a and OsFD1 in rice defense makes them to be promising targets in molecular rice breeding.

Authors+Show Affiliations

National Key Laboratory of Crop Genetic Improvement, National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, 430070, China.National Key Laboratory of Crop Genetic Improvement, National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, 430070, China.National Key Laboratory of Crop Genetic Improvement, National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, 430070, China.National Key Laboratory of Crop Genetic Improvement, National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, 430070, China.National Key Laboratory of Crop Genetic Improvement, National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, 430070, China.National Key Laboratory of Crop Genetic Improvement, National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, 430070, China. Electronic address: swang@mail.hzau.edu.cn.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

30992130

Citation

Ke, Yinggen, et al. "Hd3a and OsFD1 Negatively Regulate Rice Resistance to Xanthomonas Oryzae Pv. Oryzae and Xanthomonas Oryzae Pv. Oryzicola." Biochemical and Biophysical Research Communications, vol. 513, no. 4, 2019, pp. 775-780.
Ke Y, Wu M, Zhang Q, et al. Hd3a and OsFD1 negatively regulate rice resistance to Xanthomonas oryzae pv. oryzae and Xanthomonas oryzae pv. oryzicola. Biochem Biophys Res Commun. 2019;513(4):775-780.
Ke, Y., Wu, M., Zhang, Q., Li, X., Xiao, J., & Wang, S. (2019). Hd3a and OsFD1 negatively regulate rice resistance to Xanthomonas oryzae pv. oryzae and Xanthomonas oryzae pv. oryzicola. Biochemical and Biophysical Research Communications, 513(4), pp. 775-780. doi:10.1016/j.bbrc.2019.03.169.
Ke Y, et al. Hd3a and OsFD1 Negatively Regulate Rice Resistance to Xanthomonas Oryzae Pv. Oryzae and Xanthomonas Oryzae Pv. Oryzicola. Biochem Biophys Res Commun. 2019 Jun 11;513(4):775-780. PubMed PMID: 30992130.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Hd3a and OsFD1 negatively regulate rice resistance to Xanthomonas oryzae pv. oryzae and Xanthomonas oryzae pv. oryzicola. AU - Ke,Yinggen, AU - Wu,Mengxiao, AU - Zhang,Qinglu, AU - Li,Xianghua, AU - Xiao,Jinghua, AU - Wang,Shiping, Y1 - 2019/04/14/ PY - 2019/03/22/received PY - 2019/03/26/accepted PY - 2019/4/18/pubmed PY - 2019/4/18/medline PY - 2019/4/18/entrez KW - Disease resistance KW - Hd3a KW - Jasmonic acid pathway KW - OsFD1 KW - Rice KW - Xanthomonas oryzae SP - 775 EP - 780 JF - Biochemical and biophysical research communications JO - Biochem. Biophys. Res. Commun. VL - 513 IS - 4 N2 - In rice, Hd3a, GF14 and OsFD1 proteins, forming florigen activation complex, are key components in flowering time regulation. GF14 genes in rice response to biotic and abiotic stress has also been well addressed. The role of GF14e in rice defense has been well studied. However, whether Hd3a and OsFD1 play roles in defense is unclear. In present study, we identified that Hd3a and OsFD1 expression is repressed by Xoo and JA, and validated that Hd3a and OsFD1 negatively regulate resistance to Xanthomonas oryzae pv. oryzae (Xoo) and Xanthomonas oryzae pv. oryzicola (Xoc). hd3a and osfd1 mutants increase resistance to Xoo and Xoc, and activate JA responsive genes expression. Our data also demonstrate that OsFD1 binds to the promoters of and activates the expression of JAZ genes; Hd3a, cooperating with GF14e, promotes OsFD1 action on JAZ gene expression. The functional confirmation of Hd3a and OsFD1 in rice defense makes them to be promising targets in molecular rice breeding. SN - 1090-2104 UR - https://www.unboundmedicine.com/medline/citation/30992130/Hd3a_and_OsFD1_negatively_regulate_rice_resistance_to_Xanthomonas_oryzae_pv__oryzae_and_Xanthomonas_oryzae_pv__oryzicola_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0006-291X(19)30569-8 DB - PRIME DP - Unbound Medicine ER -