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Basic Information
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CGSNL Gene Symbol
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GSN1
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Gene Symbol Synonym
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MKP1, OsMKP1, osmkp1, LARGE8, GLA1, OsGLA1
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CGSNL Gene Name
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GRAIN SIZE AND NUMBER1
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Gene Name Synonym
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Oryza sativa Mitogen-Activated Protein Kinase Phosphatase 1, Mitogen-Activated Protein Kinase Phosphatase 1, MAPK phosphatase 1, large grain8, LARGE GRAIN 8, grain size and number1, grain size and number 1, grain length and awn 1
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Protein Name
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MITOGEN-ACTIVATED PROTEIN KINASE PHOSPHATASE 1
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Allele
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large8-1, large8-2, large8-3, gsn1, gla1, Osmkp1, Osmkp1-1
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Chromosome No.
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5
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Explanation
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AB284130. TO:0000970: panicle density. TO:0001150: chilling stress response.
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Trait Class
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Tolerance and resistance - Stress tolerance
Character as QTL - Yield and productivity
Reproductive organ - panicle
Reproductive organ - Spikelet, flower, glume, awn
Biochemical character
Seed - Morphological traits - Grain shape
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Expression
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Sequence/Locus
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cDNA Accession No.
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AK105748
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MSU ID
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LOC_Os05g02500.1
LOC_Os05g02500.2
LOC_Os05g02500.3
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RAP ID
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Os05g0115800
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Links
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Oryzabase Chromosome View
(
IRGSP 1.0
/
Build5
)
RAP-DB
(
IRGSP 1.0
/
Build5
)
Related IDs List (
IRGSP 1.0
/
Build5
)
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INSD Accession List
(Test version)
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Link to INSD Accession List
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Map
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Locate(cM)
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Link map
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Classical linkage map
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References
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Wu J., Liu H., Zhang Y., Zhang Y., Li D., Liu S., Lu S., Wei L., Hua J., Zou B.
New Phytol. 2024 242(5) 2077-2092
A major gene for chilling tolerance variation in Indica rice codes for a kinase OsCTK1 that phosphorylates multiple substrates under cold.
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Dwivedi S.L., Reynolds M.P., Ortiz R.
iScience 2021 24(9) 102965
Mitigating tradeoffs in plant breeding.
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Tian X., He M., Mei E., Zhang B., Tang J., Xu M., Liu J., Li X., Wang Z., Tang W., Guan Q., Bu Q.
Plant Cell 2021
WRKY53 Integrates Classic Brassinosteroid Signaling and the Mitogen-Activated Protein Kinase Pathway to Regulate Rice Architecture and seed size.
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Guo T., Lu Z.Q., Shan J.X., Ye W.W., Dong N.Q., Lin H.X.
Plant Cell 2020 32(9) 2763-2779
<i>ERECTA1</i> Acts Upstream of the OsMKKK10-OsMKK4-OsMPK6 Cascade to Control spikelet number by Regulating Cytokinin Metabolism in Rice.
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Wang T., Zou T., He Z., Yuan G., Luo T., Zhu J., Liang Y., Deng Q., Wang S., Zheng A., Liu H., Wang L., Li P., Li S.
J Integr Plant Biol 2018
GRAIN LENGTH AND AWN 1 negatively regulates grain size in rice.
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Guo T., Chen K., Dong N.Q., Shi C.L., Ye W.W., Gao J.P., Shan J.X., Lin H.X.
Plant Cell 2018 30(4) 871-888
<i>GRAIN SIZE.AND NUMBER1</i> Negatively Regulates the OsMKKK10-OsMKK4-OsMPK6 Cascade to Coordinate the Trade-off between grain number per Panicle and GRAIN SIZE.in Rice.
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Xu R., Yu H., Wang J., Duan P., Zhang B., Li J., Li Y., Xu J., Lyu J., Li N., Chai T., Li Y.
Plant J. 2018 95(6) 937-946
A mitogen-activated protein kinase phosphatase influences grain size and weight in rice.
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Liu B., Fan J., Zhang Y., Mu P., Wang P., Su J., Lai H., Li S., Feng D., Wang J., Wang H.
Plant Cell Rep. 2012 31 1021-1032
OsPFA-DSP1, a rice protein tyrosine phosphatase, negatively regulates drought stress responses in transgenic tobacco and rice plants.
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Katou,S., Kuroda,K., Seo,S., Yanagawa,Y., Tsuge,T., Yamazaki,M., Miyao,A., Hirochika,H. and Ohashi,Y.
Plant Cell Physiol. 2007 48(2) 332-344
A Calmodulin-Binding Mitogen-Activated Protein Kinase Phosphatase is Induced by Wounding and Regulates the Activities of Stress-Related Mitogen-Activated Protein Kinases in Rice.
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DB Reference
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Gramene ID
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-
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Ontologies
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Gene Ontology
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protein tyrosine phosphatase activity( GO:0004725 )
protein amino acid dephosphorylation( GO:0006470 )
protein tyrosine/serine/threonine phosphatase activity( GO:0008138 )
response to salt stress( GO:0009651 )
response to UV-C( GO:0010225 )
regulation of cell proliferation( GO:0042127 )
cytoplasm( GO:0005737 )
negative regulation of cell proliferation( GO:0008285 )
peptidyl-tyrosine dephosphorylation( GO:0035335 )
kinase activity( GO:0016301 )
MAP kinase phosphatase activity( GO:0033549 )
seed development( GO:0048316 )
regulation of cell differentiation( GO:0045595 )
response to cold( GO:0009409 )
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Trait Ontology
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grain size( TO:0000397 )
grain weight( TO:0000590 )
panicle size( TO:0006032 )
filled grain number( TO:0000447 )
primary branch number( TO:0000547 )
secondary branch number( TO:0000557 )
grain length( TO:0000734 )
awn length( TO:0000072 )
seed development trait( TO:0000653 )
grain number( TO:0002759 )
spikelet number( TO:0000456 )
cytokinin content( TO:0002660 )
seed weight( TO:0000181 )
seed size( TO:0000391 )
cold tolerance( TO:0000303 )
leaf angle( TO:0000206 )
plant height( TO:0000207 )
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Plant Ontology
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seed development stage( PO:0001170 )
root( PO:0009005 )
stem( PO:0009047 )
spikelet( PO:0009051 )
glume( PO:0009039 )
leaf( PO:0025034 )
anther( PO:0009066 )
awn( PO:0025349 )
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Related Strains
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Phenotype images
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Last updated
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Feb 27, 2026
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Update info.