Overexpression of OsNINJA1 negatively affects a part of OsMYC2-mediated abiotic and biotic responses in rice

Copyright © 2018 Elsevier GmbH. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Journal of plant physiology. - 1979. - 232(2019) vom: 20. Jan., Seite 180-187
1. Verfasser: Kashihara, Keita (VerfasserIn)
Weitere Verfasser: Onohata, Tomonori, Okamoto, Yuki, Uji, Yuya, Mochizuki, Susumu, Akimitsu, Kazuya, Gomi, Kenji
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2019
Zugriff auf das übergeordnete Werk:Journal of plant physiology
Schlagworte:Journal Article JAZ protein Jasmonate Leaf senescence OsMYC2 OsNINJA1 Rice bacterial blight Cyclopentanes Oxylipins Plant Growth Regulators mehr... Plant Proteins Transcription Factors jasmonic acid 6RI5N05OWW
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520 |a The plant hormone jasmonic acid (JA) plays an important role in defense response and plant development. Jasmonate ZIM-domain (JAZ) proteins act as transcriptional repressors of plant responses to JA. In this study, we found that OsNINJA1, which is a JAZ-interacting adaptor protein, plays an important role in JA signaling that is positively regulated by the transcription factor OsMYC2 in rice. The expression of OsNINJA1 was upregulated at an early phase after JA treatment, and OsNINJA1 interacted with several OsJAZ proteins in a C domain-dependent manner. Transgenic rice plants overexpressing OsNINJA1 exhibited a JA-insensitive phenotype and were more susceptible to rice bacterial blight caused by Xanthomonas oryzae pv. oryzae, which is one of the most serious diseases affecting rice. Furthermore, OsNINJA1 negatively affected JA-regulated leaf senescence under dark-induced senescence conditions. Finally, the expression of OsMYC2-responsive pathogenesis-related (PR) genes and senescence-associated genes (SAGs) tended to be downregulated in the OsNINJA1-overexpressing rice plants. These results indicate that OsNINJA1 acts as a negative regulator of OsMYC2-mediated JA signaling in rice 
650 4 |a Journal Article 
650 4 |a JAZ protein 
650 4 |a Jasmonate 
650 4 |a Leaf senescence 
650 4 |a OsMYC2 
650 4 |a OsNINJA1 
650 4 |a Rice bacterial blight 
650 7 |a Cyclopentanes  |2 NLM 
650 7 |a Oxylipins  |2 NLM 
650 7 |a Plant Growth Regulators  |2 NLM 
650 7 |a Plant Proteins  |2 NLM 
650 7 |a Transcription Factors  |2 NLM 
650 7 |a jasmonic acid  |2 NLM 
650 7 |a 6RI5N05OWW  |2 NLM 
700 1 |a Onohata, Tomonori  |e verfasserin  |4 aut 
700 1 |a Okamoto, Yuki  |e verfasserin  |4 aut 
700 1 |a Uji, Yuya  |e verfasserin  |4 aut 
700 1 |a Mochizuki, Susumu  |e verfasserin  |4 aut 
700 1 |a Akimitsu, Kazuya  |e verfasserin  |4 aut 
700 1 |a Gomi, Kenji  |e verfasserin  |4 aut 
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773 1 8 |g volume:232  |g year:2019  |g day:20  |g month:01  |g pages:180-187 
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