Gene - Detail

Detail of Gene

Basic Information
CGSNL Gene Symbol LAX2
Gene Symbol Synonym OsLAX2, Gnp4/LAX2, Gnp4
CGSNL Gene Name LAX PANICLE 2
Gene Name Synonym lax panicle2, Grain number per-panicle 4
Protein Name
Allele lax2, lax2-1, lax2-2, lax2-3, lax2-4, gnp4, gnp4/lax2-ko
Chromosome No. 4
Explanation AB669025. KY673700. Regulate axillary meristem formation process. a RING-finger and wd40-associated ubiquitin-like (RAWUL) domain-containing protein.
Trait Class Reproductive organ - Inflorescence
Seed - Morphological traits - Grain shape
Character as QTL - Yield and productivity
Reproductive organ - Panicle, Mode of branching
Reproductive organ - Spikelet, flower, glume, awn
Expression
Sequence/Locus
cDNA Accession No. -
MSU ID LOC_Os04g32510.1
RAP ID Os04g0396500
Links Oryzabase Chromosome View ( IRGSP 1.0 / Build5 )
RAP-DB ( IRGSP 1.0 / Build5 )
Related IDs List ( IRGSP 1.0 / Build5 )
INSD Accession List
(Test version) 		-
Map
Locate(cM)
Link map Classical linkage map
References
Hu Q., Zhao Z., Ma L., Xia H., Ma Z., Xu P., Wang X., Zhu R., Zhao Y., Guo H., Zhu X., Zeng Y., Pan Y., Li D., Sun X., Li J., Zhang H., Li Z., Zhang Z.
Nat Commun 2025  16(1)  8848
Natural variation of GNP2 enhances grain number to benefit rice yield.
Kellogg E.A.
Plant Cell 2022  34(7)  2518-2533
Genetic control of branching patterns in grass inflorescences.
Dai D., Zhang H., He L., Chen J., Du C., Liang M., Zhang M., Wang H., Ma L.
Int J Mol Sci 2022  23(16) 
<i>Panicle Apical Abortion 7</i> Regulates Panicle Development in Rice (<i>Oryza sativa</i> L.).
Yang X., Wang J., Dai Z., Zhao X., Miao X., Shi Z.
Rice (N Y) 2019  12(1)  40
miR156f integrates panicle architecture through genetic modulation of branch number and pedicel length pathways.
Ni S., Li Z., Ying J., Zhang J., Chen H.
Genes (Basel) 2019  10(3) 
<i>Decreased Spikelets 4</i> Encoding a Novel Tetratricopeptide Repeat Domain-Containing Protein Is Involved in DNA Repair and spikelet number Determination in Rice.
Qin R., Zeng D., Yang C., Akhter D., Alamin M., Jin X., Shi C.
Genes (Basel) 2018  9(6) 
<i>LTBSG1</i>, a New Allele of <i>BRD2</i>, Regulates Panicle and Grain Development in Rice by Brassinosteroid Biosynthetic Pathway.
Zhang Z., Li J., Tang Z., Sun X., Zhang H., Yu J., Yao G., Li G., Guo H., Li J., Wu H., Huang H., Xu Y., Yin Z., Qi Y., Huang R., Yang W., Li Z.
J. Exp. Bot. 2018  69(20)  4723-4737
Gnp4/LAX2, a RAWUL protein, interferes with the OsIAA3-OsARF25 interaction to regulate grain length via the auxin signaling pathway in rice.
Liang W., Shang F., Lin Q., Lou C., Zhang J.
Gene 2014  537(1)  1-5
Tillering and panicle branching genes in rice.
Ikeda M., Miura K., Aya K., Kitano H., Matsuoka M.
Curr. Opin. Plant Biol. 2013  16(2)  213-20
Genes offering the potential for designing yield-related traits in rice.
Tabuchi,H., Zhang,Y., Hattori,S., Omae,M., Shimizu-Sato,S., Oikawa,T., Qian,Q., Nishimura,M., Kitano,H., Xie,H., Fang,X., Yoshida,H., Kyozuka,J., Chen,F. and Sato,Y.
Plant Cell 2011  23(9)  3276-3287
LAX PANICLE2 of Rice Encodes a Novel Nuclear Protein and Regulates the Formation of Axillary Meristems
DB Reference
Gramene ID -
Ontologies
Gene Ontology positive regulation of cell growth( GO:0030307 )
nucleus( GO:0005634 )
auxin mediated signaling pathway( GO:0009734 )
inflorescence development( GO:0010229 )
Trait Ontology grain number( TO:0002759 )
inflorescence branching( TO:0000050 )
panicle number( TO:0000152 )
grain length( TO:0000734 )
auxin sensitivity( TO:0000163 )
1000-seed weight( TO:0000382 )
spikelet number( TO:0000456 )
inflorescence development trait( TO:0000621 )
grain yield( TO:0000396 )
secondary branch number( TO:0000557 )
filled grain number( TO:0000447 )
Plant Ontology inflorescence development stage( PO:0001083 )
Related Strains
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Phenotype images
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Last updated
Dec 22, 2025

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