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

页码：1522 / 1526

页数：5

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