Comprehensive panicle phenotyping reveals that qSrn7/FZP influences higher-order branching

Abstract Rice grain number directly affects crop yield. Identifying alleles that improve panicle architecture would greatly aid the development of high-yield varieties. Here, we show that the quantitative trait locus qSrn7 contains rice FRIZZY PANICLE (FZP), a previously reported gene encoding an ER...

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Autores principales:	Yasuko Fujishiro, Ayumi Agata, Sadayuki Ota, Ryota Ishihara, Yasumi Takeda, Takeshi Kunishima, Mayuko Ikeda, Junko Kyozuka, Tokunori Hobo, Hidemi Kitano
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/b1e194e6a82747328ef9e7e6bf1695ac
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spelling	oai:doaj.org-article:b1e194e6a82747328ef9e7e6bf1695ac2021-12-02T15:07:48ZComprehensive panicle phenotyping reveals that qSrn7/FZP influences higher-order branching10.1038/s41598-018-30395-92045-2322https://doaj.org/article/b1e194e6a82747328ef9e7e6bf1695ac2018-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-30395-9https://doaj.org/toc/2045-2322Abstract Rice grain number directly affects crop yield. Identifying alleles that improve panicle architecture would greatly aid the development of high-yield varieties. Here, we show that the quantitative trait locus qSrn7 contains rice FRIZZY PANICLE (FZP), a previously reported gene encoding an ERF transcription factor that promotes floral transition. Reduced expression of FZP in the reproductive stage increases the extent of higher order branching of the panicle, resulting in increased grain number. Genotype analysis of this gene in cultivars from the publicly available National Institute of Agrobiological Sciences (NIAS) Core Collection demonstrated that the extent of higher order branching, especially in the upper panicle, was increased in those cultivars carrying the FZP allele associated with qSrn7. Furthermore, chromosome segment substitution lines resulting from a cross between Koshihikari and Kasalath, the latter of which carries qSrn7/FZP, also showed that upper panicle higher order branching and grain yield were increased by qSrn7/FZP. Our findings indicate that qSrn7/FZP influences panicle branching pattern and is thus useful in the breeding of high-yield rice varieties.Yasuko FujishiroAyumi AgataSadayuki OtaRyota IshiharaYasumi TakedaTakeshi KunishimaMayuko IkedaJunko KyozukaTokunori HoboHidemi KitanoNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-9 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Yasuko Fujishiro Ayumi Agata Sadayuki Ota Ryota Ishihara Yasumi Takeda Takeshi Kunishima Mayuko Ikeda Junko Kyozuka Tokunori Hobo Hidemi Kitano Comprehensive panicle phenotyping reveals that qSrn7/FZP influences higher-order branching
description	Abstract Rice grain number directly affects crop yield. Identifying alleles that improve panicle architecture would greatly aid the development of high-yield varieties. Here, we show that the quantitative trait locus qSrn7 contains rice FRIZZY PANICLE (FZP), a previously reported gene encoding an ERF transcription factor that promotes floral transition. Reduced expression of FZP in the reproductive stage increases the extent of higher order branching of the panicle, resulting in increased grain number. Genotype analysis of this gene in cultivars from the publicly available National Institute of Agrobiological Sciences (NIAS) Core Collection demonstrated that the extent of higher order branching, especially in the upper panicle, was increased in those cultivars carrying the FZP allele associated with qSrn7. Furthermore, chromosome segment substitution lines resulting from a cross between Koshihikari and Kasalath, the latter of which carries qSrn7/FZP, also showed that upper panicle higher order branching and grain yield were increased by qSrn7/FZP. Our findings indicate that qSrn7/FZP influences panicle branching pattern and is thus useful in the breeding of high-yield rice varieties.
format	article
author	Yasuko Fujishiro Ayumi Agata Sadayuki Ota Ryota Ishihara Yasumi Takeda Takeshi Kunishima Mayuko Ikeda Junko Kyozuka Tokunori Hobo Hidemi Kitano
author_facet	Yasuko Fujishiro Ayumi Agata Sadayuki Ota Ryota Ishihara Yasumi Takeda Takeshi Kunishima Mayuko Ikeda Junko Kyozuka Tokunori Hobo Hidemi Kitano
author_sort	Yasuko Fujishiro
title	Comprehensive panicle phenotyping reveals that qSrn7/FZP influences higher-order branching
title_short	Comprehensive panicle phenotyping reveals that qSrn7/FZP influences higher-order branching
title_full	Comprehensive panicle phenotyping reveals that qSrn7/FZP influences higher-order branching
title_fullStr	Comprehensive panicle phenotyping reveals that qSrn7/FZP influences higher-order branching
title_full_unstemmed	Comprehensive panicle phenotyping reveals that qSrn7/FZP influences higher-order branching
title_sort	comprehensive panicle phenotyping reveals that qsrn7/fzp influences higher-order branching
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/b1e194e6a82747328ef9e7e6bf1695ac
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Comprehensive panicle phenotyping reveals that qSrn7/FZP influences higher-order branching

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