- Information
- Symbol: OsSPL18
- MSU: LOC_Os09g32944
- RAPdb: Os09g0507100
- Publication
- OsSPL18 controls grain weight and grain number in rice., 2019, J Genet Genomics.
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Genbank accession number
- Key message
- Transcriptional activation experiments indicated that OsSPL18 is a functional transcription factor with activation domains in both the N-terminus and C-terminus, and both activation domains are indispensable for its biological functions
- In this study, we studied the biological function of OsSPL18 during grain and panicle development in rice
- Knockout (KO) mutants of OsSPL18 exhibited reduced grain width and thickness, panicle length and grain number, but increased tiller number
- qRT-PCR and GUS staining analyses showed that OsSPL18 was highly expressed in developing young panicles and young spikelet hulls, in agreement with its function in regulating grain and panicle development
- Both yeast one-hybrid and dual-luciferase (LUC) assays showed that OsSPL18 could bind to the DEP1 promoter, suggesting that OsSPL18 regulates panicle development by positively regulating the expression of DEP1
- Cytological analysis showed that OsSPL18 regulates the development of spikelet hulls by affecting cell proliferation
- OsSPL18 controls grain weight and grain number in rice.
- Quantitative expression analysis showed that DEP1, a major grain number regulator, was significantly down-regulated in OsSPL18 KO lines
- Connection
- DEP1~DN1~qPE9-1~OsDEP1, OsSPL18, OsSPL18 controls grain weight and grain number in rice., Quantitative expression analysis showed that DEP1, a major grain number regulator, was significantly down-regulated in OsSPL18 KO lines
- DEP1~DN1~qPE9-1~OsDEP1, OsSPL18, OsSPL18 controls grain weight and grain number in rice., Both yeast one-hybrid and dual-luciferase (LUC) assays showed that OsSPL18 could bind to the DEP1 promoter, suggesting that OsSPL18 regulates panicle development by positively regulating the expression of DEP1
- OsSPL18, qGW8~OsSPL16~GW8, MiR529a controls plant height, tiller number, panicle architecture and grain size by regulating SPL target genes in rice Oryza sativa L., And panicle architecture and grain size were controlled by miR529a through altering the expression of all five target genes OsSPL2, OsSPL7, OsSPL14, OsSPL16, OsSPL17 and OsSPL18
- OsSPL14~IPA1~WFP, OsSPL18, MiR529a controls plant height, tiller number, panicle architecture and grain size by regulating SPL target genes in rice Oryza sativa L., And panicle architecture and grain size were controlled by miR529a through altering the expression of all five target genes OsSPL2, OsSPL7, OsSPL14, OsSPL16, OsSPL17 and OsSPL18
- OsSPL18, OsSPL7, MiR529a controls plant height, tiller number, panicle architecture and grain size by regulating SPL target genes in rice Oryza sativa L., And panicle architecture and grain size were controlled by miR529a through altering the expression of all five target genes OsSPL2, OsSPL7, OsSPL14, OsSPL16, OsSPL17 and OsSPL18
- HOS59, OsSPL18, KNOX II transcription factor HOS59 functions in regulating rice grain size., Meanwhile, our IP-MS datasets showed that HOS59 was closely associated with BELL family proteins, some grain size regulators (OsSPL13, OsSPL16, OsSPL18, SLG, etc
- HOS59, OsSPL18, KNOX II transcription factor HOS59 functions in regulating rice grain size., The qRT-PCR results showed that mutation of the HOS59 gene led to upregulation of some grain size-related genes such as OsSPL13, OsSPL18, and PGL2
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