2019
DOI: 10.1111/pbi.13080
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Natural alleles of GLA for grain length and awn development were differently domesticated in rice subspecies japonica and indica

Abstract: 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 … Show more

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Cited by 29 publications
(22 citation statements)
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References 56 publications
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“…indica lines lost both genes’ function ( Figure 5 C). These percentages were slightly different from those reported previously [ 16 , 18 ], perhaps because this study used a smaller number of individuals for sequence comparison using SRA data, which requires sufficient read depth to identify the TE region compared to conventional PCR analysis [ 11 ]. Mutation points and haplotype occupancy differed between japonica and indica .…”
Section: Discussioncontrasting
confidence: 72%
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“…indica lines lost both genes’ function ( Figure 5 C). These percentages were slightly different from those reported previously [ 16 , 18 ], perhaps because this study used a smaller number of individuals for sequence comparison using SRA data, which requires sufficient read depth to identify the TE region compared to conventional PCR analysis [ 11 ]. Mutation points and haplotype occupancy differed between japonica and indica .…”
Section: Discussioncontrasting
confidence: 72%
“…In rice, the awn is a conspicuous trait that is considered to have been influenced by domestication. To date, several genes have been identified for awn development in rice, including An-1/RAE1 [ 11 , 13 ], LABA1/An-2 [ 12 , 14 ], RAE2/GAD1/GLA [ 16 , 17 , 18 ], TOB1 [ 19 ], and GLA1 [ 20 ]; among these, An-1/RAE1 , LABA1/An-2 , and RAE2/GAD1/GLA appear to have been selected through Asian rice domestication [ 11 , 12 , 16 ]. To explore the novel loci for regulating awn development and to clarify the conservation of RAE1 and RAE2 gene function among the AA genome rice group, we examined 11 sets of CSSL by comparing genotypes and awn phenotypes.…”
Section: Discussionmentioning
confidence: 99%
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“…One of the underlying causal mutation inactivates an EPFL2 -orthologue, OsEPFL1, which also affects grain length and grain number, giving rise to more compact panicles with more seeds 4850 . Although the underlying mechanism in rice is not yet understood, it highlights a role of EPFL2 -genes as evolutionary conserved integrators of ovule initiation patterns, seed number, seed size and floral organ development 51 .…”
Section: Discussionmentioning
confidence: 99%
“…Most studies have focused on B1, B2 and Hd. B1 is located on chromosome arms 5AL [3,5,12,13] a candidate gene of the B1 locus, encodes C2H2 zinc finger protein and has been isolated in wheat [14][15][16]. The promoter variations of B1 are closely associated with awn development in awnless and awned individuals [14].…”
Section: Introductionmentioning
confidence: 99%