NOG1 increases grain production in rice

Huo, Xing; Wu, Shuang; Zhu, Zuofeng; Liu, Fengxia; Fu, Yongcai; Cai, Hongwei; Sun, Xianyou; Gu, Ping; Xie, Daoxin; Tan, Lubin; Sun, Chuanqing

doi:10.1038/s41467-017-01501-8

Cited by 147 publications

(97 citation statements)

References 56 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…The grain weight, effective number of tillers per plant and the number of grains per panicle are three important components of rice grain yield (Huo et al ., ). In the present study, overexpression of OsMTS1 enhances the tiller number and 1000‐grain weight by increasing the stay green time without any apparent additional trade‐off traits.…”

Section: Discussionmentioning

confidence: 97%

Premature leaf senescence 3, encoding a methyltransferase, is required for melatonin biosynthesis in rice

Hong

Sinumporn

et al. 2018

The Plant Journal

View full text Add to dashboard Cite

Premature leaf senescence in rice is one of the most common factors affecting the plant's development and yield. Although methyltransferases are involved in diverse biological functions, their roles in rice leaf senescence have not been previously reported. In this study, we identified the premature leaf senescence 3 (pls3) mutant in rice, which led to early leaf senescence and early heading date. Further investigations revealed that premature leaf senescence was triggered by the accumulation of reactive oxygen species. Using physiological analysis, we found that chlorophyll content was reduced in the pls3 mutant leaves, while hydrogen peroxide (H O ) and malondialdehyde levels were elevated. Consistent with these findings, the pls3 mutant exhibited hypersensitivity to exogenous hydrogen peroxide. The expression of other senescence-associated genes such as Osh36 and RCCR1 was increased in the pls3 mutant. Positional cloning indicated the pls3 phenotype was the result of a mutation in OsMTS1, which encodes an O-methyltransferase in the melatonin biosynthetic pathway. Functional complementation of OsMTS1 in pls3 completely restored the wild-type phenotype. We found leaf melatonin content to be dramatically reduced in pls3, and that exogenous application of melatonin recovered the pls3 mutant's leaf senescence phenotype to levels comparable to that of wild-type rice. Moreover, overexpression of OsMTS1 in the wild-type plant increased the grain yield by 15.9%. Our results demonstrate that disruption of OsMTS1, which codes for a methyltransferase, can trigger leaf senescence as a result of decreased melatonin production.

show abstract

Section: Discussionmentioning

confidence: 97%

Premature leaf senescence 3, encoding a methyltransferase, is required for melatonin biosynthesis in rice

Hong

Sinumporn

et al. 2018

The Plant Journal

View full text Add to dashboard Cite

show abstract

“…Compared with loss-of-function mutations that frequently display deleterious pleiotropic effects, changes in gene expression resulting from variation in cis-regulatory regions that confer suitable improvement of agronomic or yield-related traits are more desirable for crop domestication and improvement (Meyer and Purugganan, 2013). Prominent examples include modifications of FW2.2 and SP5G in tomato, UB3 and ZmVPP1 in maize and GS5, GLW7, NOG1 and LG1 in rice (Frary et al, 2000;Li et al, 2011;Ishii et al, 2013;Zhu et al, 2013;Liu et al, 2015;Si et al, 2016;Soyk et al, 2016;Wang et al, 2016;Huo et al, 2017). In this study, we found that the Del 4-bp in cultivated rice may alter the recognition of OsARF6 to a conserved AuxRE, thereby downregulating FZP expression.…”

Section: Selection Of Variation In the Cis-regulatory Region Plays Anmentioning

confidence: 99%

Variation in the regulatory region of FZP causes increases in secondary inflorescence branching and grain yield in rice domestication

Huang

Zhao

et al. 2018

The Plant Journal

Self Cite

View full text Add to dashboard Cite

Inflorescence branching is a key agronomic trait determining rice yield. The primary branch of the ancestral wild rice (Oryza rufipogon Griff.) bears few grains, due to minimal secondary branching. By contrast, Oryza sativa cultivars have been selected to produce large panicles with more secondary branches. Here we showed that the CONTROL OF SECONDARY BRANCH 1 (COS1) gene, which is identical to FRIZZY PANICLE (FZP), plays an important role in the key transition from few secondary branches in wild rice to more secondary branches in domesticated rice cultivars. A 4-bp tandem repeat deletion approximately 2.7 kb upstream of FZP may affect the binding activities of auxin response factors to the FZP promoter, decrease the expression level of FZP and significantly enhance the number of secondary branches and grain yield in cultivated rice. Functional analyses showed that NARROW LEAF 1 (NAL1), a trypsin-like serine and cysteine protease, interacted with FZP and promoted its degradation. Consistently, downregulating FZP expression or upregulating NAL1 expression in the commercial cultivar Zhonghua 17 increased the number of secondary branches per panicle, grain number per panicle and grain yield per plant. Our findings not only provide insights into the molecular mechanism of increasing grain number and yield during rice domestication, but also offer favorable genes for improving the grain yield of rice.

show abstract

“…To date, some domesticated genes are functionally characterized, such as seed shattering genes Sh4 (Li et al ., ) and qSH1 (Konishi et al ., ; Li et al ., ), prog1 controlling straight growth (Jin et al ., ; Tan et al ., ), OsLG1 regulating closed panicles (Ishii et al ., ; Zhu et al ., ), grain size genes GW5/GSE5 (Duan et al ., ; Liu et al ., ), GS3 (Mao et al ., ), OsLG3 (Yu et al ., ) and OsLG3b (Yu et al ., ), seed dormancy gene Sdr4 (Sugimoto et al ., ), seed hull colour genes Bh4 (Zhu et al ., ) and Rc (Sweeney et al ., ), NOG1 increasing grain production (Huo et al ., ) and awn development genes An‐1 (Luo et al ., ), An‐2/LABA1 (Gu et al ., ; Hua et al ., ) and GAD1/RAE2 (Bessho‐Uehara et al ., ; Jin et al ., ).…”

Section: Introductionmentioning

confidence: 99%

Natural alleles of GLA for grain length and awn development were differently domesticated in rice subspecies japonica and indica

Zhang

Sun

et al. 2019

Plant Biotechnology Journal

View full text Add to dashboard Cite

Summary Rice ( Oryza sativa L.) cultivars harbour morphological and physiological traits different from those of wild rice ( O. rufipogon Griff.), but the molecular mechanisms underlying domestication remain controversial. Here, we show that awn and long grain traits in the near‐isogenic NIL ‐ GLA are separately controlled by variations within the GLA ( Grain Length and Awn Development ) gene, a new allele of GAD 1 / RAE 2 , which encodes one member of the EFPL (epidermal patterning factor‐like protein) family. Haplotype analyses and transgenic studies revealed that InDel1 (variation for grain length, VGL ) in the promoter region of GLA ( GLA VGL ) increases grain length by promoting transcription of GLA . Absence of InDel3 (variation for awn formation, VA ) in the coding region ( CDS ) of GLA ( GLA va ) results in short awn or no awn phenotypes. Analyses of minimum spanning trees and introgression regions demonstrated that An‐1 , an important gene for awn formation, was preferentially domesticated and its mutation to an‐1 was followed by GLA and An‐2 . Gene flow then occurred between the evolved japonica and indica populations. Quality analysis showed that GLA causes poor grain quality. During genetic improvement, awnlessness was selected in ssp. indica , whereas short–grained and awnless phenotypes with good quality were selected in japonica . Our findings facilitate an understanding of rice domestication and provide a favourable allele for rice breeding.

show abstract

NOG1 increases grain production in rice

Cited by 147 publications

References 56 publications

Premature leaf senescence 3, encoding a methyltransferase, is required for melatonin biosynthesis in rice

Premature leaf senescence 3, encoding a methyltransferase, is required for melatonin biosynthesis in rice

Variation in the regulatory region of FZP causes increases in secondary inflorescence branching and grain yield in rice domestication

Natural alleles of GLA for grain length and awn development were differently domesticated in rice subspecies japonica and indica

Contact Info

Product

Resources

About