Involvement of ethylene signaling in Azospirillum sp B510-induced disease resistance in rice

被引：26
|
作者：
Kusajima, Miyuki [1 ,2 ]
Shima, Shuhei [2 ]
Fujita, Moeka [1 ]
Minamisawa, Kiwamu [3 ]
Che, Fang-Sik [4 ]
Yamakawa, Hiromoto [5 ]
Nakashita, Hideo [1 ,2 ]
机构：
[1] Fukui Prefectural Univ, Fac Biotechnol, Res Ctr Bioresources Dev, Fukui, Japan
[2] Ctr Intellectual Property Strategies, Plant Endophyte Interact Lab, Saitama, Japan
[3] Tohoku Univ, Grad Sch Life Sci, Lab Environm Plant Microbiol, Sendai, Miyagi, Japan
[4] Nagahama Inst Bio Sci & Technol, Grad Sch Biosci, Nagahama, Shiga, Japan
[5] Natl Agr & Food Res Org, Crop Dev Div, Cent Reg Agr Res Ctr, Joetsu, Japan
来源：
BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY | 2018年 / 82卷 / 09期
关键词：
endophyte; Azospirillum; disease resistance; rice; ethylene; SYSTEMIC ACQUIRED-RESISTANCE; SP B510; BACTERIAL ENDOPHYTE; SALICYLIC-ACID; ARABIDOPSIS; COLONIZATION;
D O I：
10.1080/09168451.2018.1480350
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
A bacterial endophyte Azospirillum sp. B510 induces systemic disease resistance in the host without accompanying defense-related gene expression. To elucidate molecular mechanism of this induced systemic resistance (ISR), involvement of ethylene (ET) was examined using OsEIN2-knockdown mutant rice. Rice blast inoculation assay and gene expression analysis indicated that ET signaling is required for endophyte-mediated ISR in rice.Abbreviations: ACC: 1-aminocyclopropane-1-carboxylic acid; EIN2: ethylene-insensitive protein 2; ET: ethylene; ISR: induced systemic resistance; JA: jasmonic acid; RNAi: RNA interference; SA: salicylic acid; SAR: systemic acquired resistance
引用
收藏
页码：1522 / 1526
页数：5
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