The small GTPase, nucleolar GTP-binding protein 1 (NOG1), has a novel role in plant innate immunity

Abstract Plant defense responses at stomata and apoplast are the most important early events during plant-bacteria interactions. The key components for the signaling of stomatal defense and nonhost resistance have not been fully characterized. Here we report the newly identified small GTPase, Nucleo...

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Autores principales:	Seonghee Lee, Muthappa Senthil-Kumar, Miyoung Kang, Clemencia M. Rojas, Yuhong Tang, Sunhee Oh, Swarup Roy Choudhury, Hee-Kyung Lee, Yasuhiro Ishiga, Randy D. Allen, Sona Pandey, Kirankumar S. Mysore
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/6dfd35ddb50d46f3a9bcc9cdbe9560f6
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spelling	oai:doaj.org-article:6dfd35ddb50d46f3a9bcc9cdbe9560f62021-12-02T15:04:51ZThe small GTPase, nucleolar GTP-binding protein 1 (NOG1), has a novel role in plant innate immunity10.1038/s41598-017-08932-92045-2322https://doaj.org/article/6dfd35ddb50d46f3a9bcc9cdbe9560f62017-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-08932-9https://doaj.org/toc/2045-2322Abstract Plant defense responses at stomata and apoplast are the most important early events during plant-bacteria interactions. The key components for the signaling of stomatal defense and nonhost resistance have not been fully characterized. Here we report the newly identified small GTPase, Nucleolar GTP-binding protein 1 (NOG1), functions for plant immunity against bacterial pathogens. Virus-induced gene silencing of NOG1 compromised nonhost resistance in N. benthamiana and tomato. Comparative genomic analysis showed that two NOG1 copies are present in all known plant species: NOG1-1 and NOG1-2. Gene downregulation and overexpression studies of NOG1-1 and NOG1-2 in Arabidopsis revealed the novel function of these genes in nonhost resistance and stomatal defense against bacterial pathogens, respectively. Specially, NOG1-2 regulates guard cell signaling in response to biotic and abiotic stimuli through jasmonic acid (JA)- and abscisic acid (ABA)-mediated pathways. The results here provide valuable information on the new functional role of small GTPase, NOG1, in guard cell signaling and early plant defense in response to bacterial pathogens.Seonghee LeeMuthappa Senthil-KumarMiyoung KangClemencia M. RojasYuhong TangSunhee OhSwarup Roy ChoudhuryHee-Kyung LeeYasuhiro IshigaRandy D. AllenSona PandeyKirankumar S. MysoreNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-14 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Seonghee Lee Muthappa Senthil-Kumar Miyoung Kang Clemencia M. Rojas Yuhong Tang Sunhee Oh Swarup Roy Choudhury Hee-Kyung Lee Yasuhiro Ishiga Randy D. Allen Sona Pandey Kirankumar S. Mysore The small GTPase, nucleolar GTP-binding protein 1 (NOG1), has a novel role in plant innate immunity
description	Abstract Plant defense responses at stomata and apoplast are the most important early events during plant-bacteria interactions. The key components for the signaling of stomatal defense and nonhost resistance have not been fully characterized. Here we report the newly identified small GTPase, Nucleolar GTP-binding protein 1 (NOG1), functions for plant immunity against bacterial pathogens. Virus-induced gene silencing of NOG1 compromised nonhost resistance in N. benthamiana and tomato. Comparative genomic analysis showed that two NOG1 copies are present in all known plant species: NOG1-1 and NOG1-2. Gene downregulation and overexpression studies of NOG1-1 and NOG1-2 in Arabidopsis revealed the novel function of these genes in nonhost resistance and stomatal defense against bacterial pathogens, respectively. Specially, NOG1-2 regulates guard cell signaling in response to biotic and abiotic stimuli through jasmonic acid (JA)- and abscisic acid (ABA)-mediated pathways. The results here provide valuable information on the new functional role of small GTPase, NOG1, in guard cell signaling and early plant defense in response to bacterial pathogens.
format	article
author	Seonghee Lee Muthappa Senthil-Kumar Miyoung Kang Clemencia M. Rojas Yuhong Tang Sunhee Oh Swarup Roy Choudhury Hee-Kyung Lee Yasuhiro Ishiga Randy D. Allen Sona Pandey Kirankumar S. Mysore
author_facet	Seonghee Lee Muthappa Senthil-Kumar Miyoung Kang Clemencia M. Rojas Yuhong Tang Sunhee Oh Swarup Roy Choudhury Hee-Kyung Lee Yasuhiro Ishiga Randy D. Allen Sona Pandey Kirankumar S. Mysore
author_sort	Seonghee Lee
title	The small GTPase, nucleolar GTP-binding protein 1 (NOG1), has a novel role in plant innate immunity
title_short	The small GTPase, nucleolar GTP-binding protein 1 (NOG1), has a novel role in plant innate immunity
title_full	The small GTPase, nucleolar GTP-binding protein 1 (NOG1), has a novel role in plant innate immunity
title_fullStr	The small GTPase, nucleolar GTP-binding protein 1 (NOG1), has a novel role in plant innate immunity
title_full_unstemmed	The small GTPase, nucleolar GTP-binding protein 1 (NOG1), has a novel role in plant innate immunity
title_sort	small gtpase, nucleolar gtp-binding protein 1 (nog1), has a novel role in plant innate immunity
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/6dfd35ddb50d46f3a9bcc9cdbe9560f6
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The small GTPase, nucleolar GTP-binding protein 1 (NOG1), has a novel role in plant innate immunity

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