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Basic Information
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CGSNL Gene Symbol
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DLC1
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Gene Symbol Synonym
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RR24, OsRR24, Rrb2, Orr4, OsRR17, RR17, OsRRB2, RRB2, OsRR24/LEPTO1, OsLEPTO1, LEPTO1, OsDLC1
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CGSNL Gene Name
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DEFECTIVE LEPTOTENE CHROMOSOME 1
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Gene Name Synonym
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B-type response regulator 4, B-type RR 2, LEPTOTENE1, LEPTOTENE 1, Defective Leptotene Chromosome 1
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Protein Name
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B-TYPE RESPONSE REGULATOR 4
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Allele
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lepto1, dlc1
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Chromosome No.
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2
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Explanation
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BR000253. B-type RR. OsRR17 in Ga et al. 2021. OsRRB2 in Chen et al. 2025. PO:0030123: panicle inflorescence.
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Trait Class
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Reproductive organ - Pollination, fertilization, fertility - Meiosis
Heterochrony
Tolerance and resistance - Stress tolerance
Reproductive organ - Pollination, fertilization, fertility - Sterility
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Expression
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Sequence/Locus
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cDNA Accession No.
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AK100530
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MSU ID
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LOC_Os02g08500.1
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RAP ID
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Os02g0182100
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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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-
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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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Chen R., Huang Q., Xu Y., Wang Z., Li N., Lu Y., Tao T., Hua Y., Wang G., Wang S., Wang H., Zhou Y., Xu Y., Li P., Xu C., Yang Z.
Int J Mol Sci 2025 26(5)
Comparative Genomic Analysis of the Poaceae Cytokinin Response Regulator <i>RRB</i> Gene Family and Functional Characterization of <i>OsRRB5</i> in Drought Stress Tolerance in Rice.
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Wan Y., Liu X., Wang N., Zeng Z., Jiang Y.
Curr Issues Mol Biol 2024 46(11) 12978-12993
Identification and Gene Fine Mapping of the Bisexual Sterility Mutant <i>Meiosis Abnormal Bisexual Sterility 1</i> in Rice.
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Li M., Feng L., Ye H., Li M., Jin J., Tao L.Z., Liu H.
Rice (N Y) 2024 17(1) 57
OsRopGEF10 Attenuates Cytokinin Signaling to Regulate Panicle Development and grain yield in Rice.
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Hendrix S.
Plant Cell 2023
From the archives: Lignin chemistry and vascular cell capacity, chromosome organization in rice meiosis, and circadian clock setting by imbibition.
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Kamara N., Jiao Y., Huang W., Cao L., Zhu L., Zhao C., Huang X., Shivute F.N., Liu X., Wu J., Shahid M.Q.
Front Plant Sci 2023 14 1229870
Comparative cytological and transcriptome analyses of <i>ny2</i> mutant delayed degeneration of tapetal cells and promotes abnormal microspore development in neo-tetraploid rice.
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Somashekar H., Mimura M., Tsuda K., Nonomura K.I.
Plant Physiol. 2022
Rice GLUCAN SYNTHASE-LIKE5 promotes anther callose deposition to maintain meiosis initiation and progression.
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Ga E., Song J., Min M.K., Ha J., Park S., Lee S.B., Lee J.Y., Kim B.G.
Int J Mol Sci 2021 22(7)
Reconstitution of Cytokinin Signaling in Rice Protoplasts.
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Ren L., Zhao T., Zhao Y., Du G., Yang S., Mu N., Tang D., Shen Y., Li Y., Cheng Z.
Cell Rep 2021 37(5) 109941
The E3 ubiquitin ligase DESYNAPSIS1 regulates synapsis and recombination in rice meiosis.
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Tao Y., Chen D., Zou T., Zeng J., Gao F., He Z., Zhou D., He Z., Yuan G., Liu M., Zhao H., Deng Q., Wang S., Zheng A., Zhu J., Liang Y., Wang L., Li P., Li S.
Plant J. 2019 99(3) 556-570
Defective Leptotene Chromosome 1 (DLC1) encodes a type-B response regulator and is required for rice meiosis.
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Zhao T., Ren L., Chen X., Yu H., Liu C., Shen Y., Shi W., Tang D., Du G., Li Y., Ma B., Cheng Z.
Plant Cell 2018 30(12) 3024-3037
The OsRR24/LEPTO1 Type-B Response Regulator is Essential for the Organization of Leptotene Chromosomes in Rice Meiosis.
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Lu Z., Shao G., Xiong J., Jiao Y., Wang J., Liu G., Meng X., Liang Y., Xiong G., Wang Y., Li J.
J Genet Genomics 2015 42(2) 71-8
MONOCULM 3, an ortholog of WUSCHEL in rice, is required for tiller bud formation.
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Tsai Y.C., Weir N.R., Hill K., Zhang W., Kim H.J., Shiu S.H., Schaller G.E., Kieber J.J.
Plant Physiol. 2012 158(4) 1666-84
Characterization of genes involved in cytokinin signaling and metabolism from rice.
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Du L., Jiao F., Chu J., Jin G., Chen M., WU P.
Genomics 2007 89(6) 697-707
The two-component signal system in rice (Oryza sativa L.): a genome-wide study of cytokinin signal perception and transduction.
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G Eric Schaller, Doi K., Hwang I., Joseph J Kieber, Jitendra P Khurana, Kurata N., Mizuno T., Pareek A., Shin-Han Shiu, Wu P., Wing Kin Yip
Plant Physiol. 2007 143(2) 555-7
Nomenclature for two-component signaling elements of rice.
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Ito,Y. and Kurata,N.
Gene 2006 382 57-65
Identification and characterization of cytokinin-signalling gene families in rice.
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Pareek A, Singh A, Kumar M, Kushwaha HR, Lynn AM, Singla-Pareek SL.
Plant Physiol. 2006 142(2) 380-97
Whole-genome analysis of Oryza sativa reveals similar architecture of two-component signaling machinery with Arabidopsis.
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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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response to cytokinin stimulus( GO:0009735 )
two-component response regulator activity( GO:0000156 )
two-component signal transduction system (phosphorelay)( GO:0000160 )
regulation of transcription( GO:0045449 )
positive regulation of transcription, DNA-dependent( GO:0045893 )
nucleus( GO:0005634 )
megasporogenesis( GO:0009554 )
anther development( GO:0048653 )
programmed cell death( GO:0012501 )
pollen development( GO:0009555 )
leptotene( GO:0000237 )
meiotic DNA double-strand break formation( GO:0042138 )
chromosome organization( GO:0051276 )
cytokinin mediated signaling( GO:0009736 )
callose deposition in cell wall( GO:0052543 )
response to jasmonic acid stimulus( GO:0009753 )
response to abscisic acid stimulus( GO:0009737 )
response to cold( GO:0009409 )
response to water deprivation( GO:0009414 )
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Trait Ontology
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sterility related trait( TO:0000485 )
cytokinin sensitivity( TO:0000167 )
jasmonic acid sensitivity( TO:0000172 )
abscisic acid sensitivity( TO:0000615 )
cold tolerance( TO:0000303 )
drought tolerance( TO:0000276 )
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Plant Ontology
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tapetum( PO:0025313 )
portion of meristem tissue( PO:0009013 )
root( PO:0009005 )
stem( PO:0009047 )
inflorescence( PO:0009049 )
plant embryo( PO:0009009 )
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Related Strains
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Phenotype images
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Last updated
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Jul 1, 2025
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Update info.