Gene Details:

• MSU gene ID: LOC_Os07g49460
• RAPdb gene ID: Os07g0695100
• Gene Symbol: Ghd7.1 Hd2 OsPRR37 DTH7
• Genome: MSU7 ,  IRGSP-1.0
• Species: Oryza sativa

Functional Descriptions:

• Validation and characterization of Ghd7.1, a major quantitative trait locus with pleiotropic effects on spikelets per panicle, plant height, and heading date in rice (Oryza sativa L.).
• Natural variation in Ghd7.1 plays an important role in grain yield and adaptation in rice.
• Further, we find that haplotype combinations of DTH7 with Grain number, plant height, and heading date 7 (Ghd7) and DTH8 correlate well with the heading date and grain yield of rice under different photoperiod conditions.
• Switching genetic effects of the flowering time gene Hd1 in LD conditions by Ghd7 and OsPRR37 in rice.
• Genetic analyses, including segregation analyses, evaluations of near isogenic lines, and transformation for flowering time demonstrated that Hd1 promoted flowering time in inductive SD and non-inductive LD conditions in genetic condition of loss-of-function Ghd7 and OsPRR37 (ghd7OsPRR37) in rice.
• Functional Ghd7 or OsPRR37 may switch the genetic effects of Hd1 from the promotion to the delay of flowering times in LD conditions.
• Genetic Interactions Among Ghd7, Ghd8, OsPRR37 and Hd1 Contribute to Large Variation in Heading Date in Rice.
• Genetic analysis indicated that the promotion of heading date and reduction in grain yield by OsPRR37 were partially dependent on Ghd7.
• Map-based cloning facilitated by the MutMap strategy revealed that LHD7 was on the same locus as OsPRR37 but exhibited a novel function as a promoter of heading date.
• OsPRR37 Alternatively Promotes Heading Date Through Suppressing the Expression of Ghd7 in the Japonica Variety Zhonghua 11 under Natural Long-Day Conditions.
• Our study revealed the distinct role of OsPRR37 in the ZH11 background, which provides a more comprehensive understanding of OsPRR37 function and enriches the theoretical bases for improvement of rice heading date in the future.
• Meanwhile, the leaf starch content was consistently lower in OsPRR37 overexpression lines than in the recipient parent Guangluai 4.
• We found that the overexpression of OsPRR37 suppressed rice growth and altered cytosine methylations in CG and CHG sequence contexts in but not the CHH context (H represents A, T, or C).

Function-related keywords:

• panicle ,  yield ,  height ,  heading-date ,  grain ,  spikelet ,  grain-yield ,  spikelets-per-panicle ,  flowering-time ,  map-based-cloning ,  leaf ,  growth ,  starch

Literature:

• Natural variation in Ghd7.1 plays an important role in grain yield and adaptation in rice .  DOI:  10.1038/cr.2013.43 ;  PMID:  23507971
• Validation and characterization of Ghd7.1, a major quantitative trait locus with pleiotropic effects on spikelets per panicle, plant height, and heading date in rice (Oryza sativa L.) .  DOI:  10.1111/jipb.12070 ;  PMID:  23692054
• Natural variation in OsPRR37 regulates heading date and contributes to rice cultivation at a wide range of latitudes .  DOI:  10.1093/mp/sst088 ;  PMID:  23713079
• Days to heading 7, a major quantitative locus determining photoperiod sensitivity and regional adaptation in rice .  DOI:  10.1073/pnas.1418204111 ;  PMID:  25378698
• Casein kinases I and 2α phosphorylate oryza sativa pseudo-response regulator 37 (OsPRR37) in photoperiodic flowering in rice .  DOI:  10.14348/molcells.2015.2254 ;  PMID:  25431424
• OsPRR37 and Ghd7 are the major genes for general combining ability of DTH, PH and SPP in rice .  DOI:  10.1038/srep12803 ;  PMID:  26238949
• OsPRR37 confers an expanded regulation of the diurnal rhythms of the transcriptome and photoperiodic flowering pathways in rice .  DOI:  10.1111/pce.13135 ;  PMID:  29314052
• Divergent Hd1, Ghd7, and DTH7 Alleles Control Heading Date and Yield Potential of Japonica Rice in Northeast China .  DOI:  10.3389/fpls.2018.00035 ;  PMID:  29434613
• Switching genetic effects of the flowering time gene Hd1 in LD conditions by Ghd7 and OsPRR37 in rice .  DOI:  10.1270/jsbbs.18060 ;  PMID:  31086490
• Genetic Interactions Among Ghd7, Ghd8, OsPRR37 and Hd1 Contribute to Large Variation in Heading Date in Rice .  DOI:  10.1186/s12284-019-0314-x ;  PMID:  31309345
• Clock component OsPRR73 positively regulates rice salt tolerance by modulating OsHKT2;1-mediated sodium homeostasis .  DOI:  10.15252/embj.2020105086 ;  PMID:  33347628
• Transcriptional and post-transcriptional regulation of heading date in rice .  DOI:  10.1111/nph.17158 ;  PMID:  33341945
• OsPRR37 Alternatively Promotes Heading Date Through Suppressing the Expression of Ghd7 in the Japonica Variety Zhonghua 11 under Natural Long-Day Conditions .  DOI:  10.1186/s12284-021-00464-1 ;  PMID:  33630174
• CG and CHG Methylation Contribute to the Transcriptional Control of OsPRR37-Output Genes in Rice .  DOI:  10.3389/fpls.2022.839457 ;  PMID:  35242159

Related News:

Gene Resources:

• NCBI ID: AB189039  , AB189042  , KF977867  , KF977868  , KF977869
• UniProt accessions:

Sequences: