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Basic Information
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CGSNL Gene Symbol
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LAX1
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Gene Symbol Synonym
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lax, lax(lx), LAX1, lx, OsbHLH123, OsLAX1
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CGSNL Gene Name
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LAX PANICLE 1
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Gene Name Synonym
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lax panicle, Transcription factor LAX PANICLE, lax panicle1, basic helix-loop-helix protein 123, LAX PANICLE1
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Protein Name
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TRANSCRIPTION FACTOR LAX PANICLE 1
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Allele
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lax-1, lax-2, lax-3, lax-4, lax-5, lax1, lax1-1, lax1-6
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Chromosome No.
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1
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Explanation
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lax-1: all lateral spikelets are absent, but fertile terminal spikelets are produced. lax-2: formation of panicle branches and spikekelets is severely reduced. Lateral spilelets are occasionally produced in lax-4 and lax-5. LAX locus is located on chromosome 1 in the region of 82 kb stradding marker C191A. Q7XAQ6. Basic helix-loop-helix (bHLH) transcription factor. AB115668, Axillary meristem formation. orthologue of maize BARRENSTALK1 (BA1).
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Trait Class
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Reproductive organ - Inflorescence
Character as QTL - Yield and productivity
Reproductive organ - Panicle, Mode of branching
Reproductive organ - Spikelet, flower, glume, awn
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Expression
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Sequence/Locus
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cDNA Accession No.
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AB115668
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MSU ID
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LOC_Os01g61480.1
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RAP ID
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Os01g0831000
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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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119.0
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Link map
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Classical linkage map
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References
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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.
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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.
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Abbai R., Singh V.K., Nachimuthu V.V., Sinha P., Selvaraj R., Vipparla A.K., Singh A.K., Singh U.M., Varshney R.K., Kumar A.
Plant Biotechnol. J. 2019
Haplotype analysis of key genes governing grain yield and quality traits across 3K RG panel reveals scope for the development of tailor-made rice with enhanced genetic gains.
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Li Y., Li X., Fu D., Wu C.
BMC Plant Biol. 2018 18(1) 348
Panicle Morphology Mutant 1 (PMM1) determines the inflorescence architecture of rice by controlling brassinosteroid biosynthesis.
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Lu H., Dai Z., Li L., Wang J., Miao X., Shi Z.
Front Plant Sci 2017 8 1538
OsRAMOSA2 Shapes Panicle Architecture through Regulating pedicel length.
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Huang X., Yang S., Gong J., Zhao Q., Feng Q., Zhan Q., Zhao Y., Li W., Cheng B., Xia J., Chen N., Huang T., Zhang L., Fan D., Chen J., Zhou C., Lu Y., Weng Q., Han B.
Nature 2016 537(7622) 629-633
Genomic architecture of heterosis for yield traits in rice.
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Deshpande G.M., Ramakrishna K., Chongloi G.L., Vijayraghavan U.
J. Exp. Bot. 2015 66(9) 2773-84
Functions for rice RFL in vegetative axillary meristem specification and outgrowth.
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Wang L., Sun S., Jin J., Fu D., Yang X., Weng X., Xu C., Li X., Xiao J., Zhang Q.
Proc. Natl. Acad. Sci. U.S.A. 2015 112(50) 15504-9
Coordinated regulation of vegetative and reproductive branching in rice.
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Liang W., Shang F., Lin Q., Lou C., Zhang J.
Gene 2014 537(1) 1-5
Tillering and panicle branching genes in rice.
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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.
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Gao Z.Y., Zhao S.C., He W.M., Guo L.B., Peng Y.L., Wang J.J., Guo X.S., Zhang X.M., Rao Y.C., Zhang C., Dong G.J., Zheng F.Y., Lu C.X., Hu J., Zhou Q., Liu H.J., Wu H.Y., Xu J., Ni P.X., Zeng D.L., Liu D.H., Tian P., Gong L.H., Ye C., Zhang G.H., Wang J., Tian F.K., Xue D.W., Liao Y., Zhu L., Chen M.S., Li J.Y., Cheng S.H., Zhang G.Y., Wang J., Qian Q.
Proc. Natl. Acad. Sci. U.S.A. 2013 110(35) 14492-7
Dissecting yield-associated loci in super hybrid rice by resequencing recombinant inbred lines and improving parental genome sequences.
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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
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Oikawa T,Kyozuka J
Plant Cell 2009 21 1095-108
Two-Step Regulation of LAX PANICLE1 Protein Accumulation in Axillary Meristem Formation in Rice.
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Li X, Duan X, Jiang H, Sun Y, Tang Y, Yuan Z, Guo J, Liang W, Chen L, Yin J, Ma H, Wang J, Zhang D.
Plant Physiol. 2006 141(4) 1167-84
Genome-wide analysis of basic/helix-loop-helix transcription factor family in rice and Arabidopsis.
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Furutani I, Sukegawa S, Kyozuka J.
Plant J. 2006 46(3) 503-511
Genome-wide analysis of spatial and temporal gene expression in rice panicle development.
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Komatsu,K., Maekawa,M., Ujiie,S., Satake,Y., Furutani,I., Okamoto,H., Shimamoto,K. and Kyozuka,J.
Proc. Natl. Acad. Sci. U.S.A. 2003 100(20) 11765-11770
LAX and SPA: Major regulators of shoot branching in rice.
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Komatsu, M., Maekawa, M., Shimamoto, K. and Kyozuka, J.
Dev. Biol. 2001 231 364-373
The LAX1 and FRIZZY PANICLE 2 genes determine the inflorescence architecture of rice by controlling rachis-branch and spikelet development.
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Yu, Z.H., S.R. McCouch, T. Kinoshita, S. Sato and S.D. Tanksley
Genome 1995 38 566-574.
Association of morphological and RFLP markers in rice (Oryza sativa L. ).
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Murai, M. and M. Iizawa
Breeding Science 1994 44 247-255.
Effects of major genes controlling morphology of panicle in rice.
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Causse, M.A., T.M. Fulton, Y.G. Cho, S.N. Ahn, J. Chunwongse, K. Wu, J. Xiao, Z. Yu, P.C. Ronald, S.E. Harrington, G. Second, S.R. McCouch and S.D. Tanksley
Genetics 1994 138 1251-1274.
Saturated molecular map of the rice genome based on an interspecific backcross population.
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Tanksley, S.D., T.M. Fulton and S.R. McCouch
Genetic Maps, Locus Maps of Complex Genomes, Plants. S.J. O'Brien ed. Cold Spring Harbour Lab. Press. 1993 Book 6 61-79.
Linkage map of rice (Oryza sativa) (2N=24).
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Nadaf, S.K., J.V. Goud and R. Parameswarappa
Indian J. Genet. & Plant Breed. 1992 52(4) 411-415.
Genetic studies in rice (Oryza sativa L.). XVI. Inheritance of panicle type and spreading panicle branch.
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Yu, Z.H., T. Kinoshita, S. Sato and S.D. Tanksley
RGN 1992 9 116-118.
Morphological and RFLP markers are associated in rice.
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Saito, A., M. Yano, N. Kishimoto, M. Nakagahra, A. Yoshimura, K. Saito, S. Kuhara, Y. Ukai, M. Kawase, T. Nagamine, S. Yoshimura, O. Ideta, R. Ohsawa, Y. Hayano, N. Iwata and M. Sugiura
Japan. J. Breed. 1991 41 665-670.
Linkage map of restriction fragment length polymorphism loci in rice.
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Yano, M., A. Saito, A. Yoshimura, S. Kuhara, S. Yoshimura, O. Ikeda, N. Kishimoto, K. Saito, R. Ohsawa, K. Kawase, T. Nagamine, T. Ogawa, M. Nakagahra and N. Iwata
Japan. J. Breed. 1990 40(Suppl. 1) 468-469.
Chromosome identification of rice RFLP linkage groups.
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Iwata, N., H. Satoh and A. Yoshimura
Bull. Inst. Trop. Agr. Kyushu Univ. 1989 12 1-9.
Linkage studies in rice (Oryza sativa L.). Linkage map of chromosome 3.
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Kinoshita, T.
In Biology of Rice. S. Tsunoda and N. Takahashi eds. JSSP/Elsevier, Tokyo. 1984 187-274.
Gene analysis and linkage map.
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Yoshimura, A., N. Iwata and T. Omura
Japan. J. Breed. 1982 32(4) 323-332.
Linkage analysis by reciprocal translocation method in rice plants (Oryza sativa L.). III. Marker genes located on chromosomes 2, 3, 4 and 7.
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Iwata, N., T. Omura and H. Satoh
J. Fac. Agr. Kyushu Univ. 1978 22 243-251.
Linkage studies in rice (Oryza sativa L.). On some mutants for physiological leaf spots.
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Iwata, N., H. Satoh and T. Omura
Japan. J. Breed. 1977 27(Suppl. 1) 250-251.
Linkage studies in rice.Linkage groups for 6 genes newly described.
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Iwata, N. and T. Omura
Japan. J. Breed. 1971 21(1) 19-28.
Linkage analysis by reciprocal translocation method in rice plants (Oryza sativa L).I. Linkage groups corresponding to the chromosome 1, 2, 3 and 4.
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Nagao, S. and M. Takahashi
J. Fac. Agr. Hokkaido Univ. 1963 53(1) 72-130.
Trial construction of twelve linkage groups in Japanese rice. (Genetical studies on rice plant, XXVII).
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TextPresso Search
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Search textpresso for LAX1
( Recent references may be retrievable, but without any warranty )
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DB Reference
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Gramene ID
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GR:0060493
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Ontologies
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Gene Ontology
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DNA binding( GO:0003677 )
transcription( GO:0006350 )
transcription regulator activity( GO:0030528 )
multicellular organismal development( GO:0007275 )
nucleus( GO:0005634 )
regulation of transcription( GO:0045449 )
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Trait Ontology
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spikelet sterility( TO:0000436 )
spikelet weight( TO:0000501 )
panicle type( TO:0000089 )
grain number( TO:0002759 )
panicle number( TO:0000152 )
inflorescence branching( TO:0000050 )
grain weight( TO:0000590 )
spikelet number( TO:0000456 )
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Plant Ontology
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inflorescence( PO:0009049 )
spikelet( PO:0009051 )
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Related Strains
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Stocks for Genes
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1
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F Lines
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11
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Phenotype images
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Click to full size image in new window
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Photo from
A. Yoshimura
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Last updated
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Feb 19, 2020
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