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Basic Information
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CGSNL Gene Symbol
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CYP704B2
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Gene Symbol Synonym
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OsCYP704B2
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CGSNL Gene Name
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CYTOCHROME P450 HYDROXYLASE 704B2
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Gene Name Synonym
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Cytochrome P450 704B2
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Protein Name
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CYTOCHROME P450 HYDROXYLASE 704B2
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Allele
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cyp704b2, oscyp704b2
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Chromosome No.
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3
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Explanation
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Anther cutin biosynthesis and pollen exine formation. fatty acid omega-hysroxylase. cyp704b2 rice mutants exhibit anther cuticle defects (Li et al., 2010). a member of fatty acid metabolic gene cluster on chromosome 3 (FGC3). PO:0030123: panicle inflorescence.
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Trait Class
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Biochemical character
Reproductive organ - Pollination, fertilization, fertility - Male sterility
Tolerance and resistance - Stress tolerance
Character as QTL - Yield and productivity
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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-
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MSU ID
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LOC_Os03g07250.1
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RAP ID
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Os03g0168600
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Links
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Oryzabase Chromosome View
(
IRGSP 1.0
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Build5
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RAP-DB
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IRGSP 1.0
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Build5
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Related IDs List (
IRGSP 1.0
/
Build5
)
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INSD Accession List
(Test version)
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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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Lou G., Fu P., Gao H., Li M., Shi H., Liu R., Li Y., Zhou H., Xia D., Wang Y., Gao G., He Y.
Plant Biotechnol. J. 2026 24(3) 1697-1711
Genetic Determinants and Breeding Strategies for Rice Cooking and Eating Quality: A Comprehensive Review.
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Yang C., Shen S., Zhan C., Li Y., Zhang R., Lv Y., Yang Z., Zhou J., Shi Y., Liu X., Shi J., Zhang D., Fernie A.R., Luo J.
Nat Commun 2024 15(1) 6663
Variation in a Poaceae-conserved fatty acid metabolic gene cluster controls rice yield by regulating male fertility.
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Chen D.B., Zhou R., Wang H.M., Zhang P.P., Yang Z.F., Xuan D.D., Zhang Y.X., Zhan X.D., Cao L.Y., Cheng S.H., Sun L.P.
Front Plant Sci 2024 15 1508828
<i>OsLAP3/OsSTRL2</i>, encoding a rice strictosidine synthase, is required for anther cuticle formation and pollen exine patterning in rice.
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Han Y., Jiang S.Z., Zhong X., Chen X., Ma C.K., Yang Y.M., Mao Y.C., Zhou S.D., Zhou L., Zhang Y.F., Huang X.H., Zhang H., Li L.G., Zhu J., Yang Z.N.
Plant Biotechnol. J. 2023 21(8) 1659-1670
Low temperature compensates for defective tapetum initiation to restore the fertility of the novel TGMS line OsTMS15.
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Yin W., Yang H., Wang Y., Feng P., Deng Y., Zhang L., He G., Wang N.
Plant Physiol. 2022 189(3) 1570-1586
Oryza sativa PECTIN DEFECTIVE tapetum1 affects anther development through a pectin-mediated signaling pathway in rice.
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Xu J.H., Irshad F., Yan Y., Li C.
Int J Mol Sci 2022 23(19)
Loss of Function of the RRMF Domain in OsROS1a Causes Sterility in Rice (<i>Oryza sativa</i> L.).
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Kamara N., Lu Z., Jiao Y., Zhu L., Wu J., Chen Z., Wang L., Liu X., Shahid M.Q.
BMC Plant Biol. 2022 22(1) 582
An uncharacterized protein NY1 targets EAT1 to regulate anther tapetum development in polyploid rice.
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Han Y., Zhou S.D., Fan J.J., Zhou L., Shi Q.S., Zhang Y.F., Liu X.L., Chen X., Zhu J., Yang Z.N.
Rice (N Y) 2021 14(1) 4
OsMS188 Is a Key Regulator of Tapetum Development and Sporopollenin Synthesis in Rice.
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Uzair M., Xu D., Schreiber L., Shi J., Liang W., Ki-Hong Jung, Chen M., Luo Z., Zhang Y., YU J., Zhang D.
Plant Physiol. 2020 182(2) 962-976
PERSISTENT TAPETAL CELL2 Is Required for Normal Tapetal Programmed Cell Death and pollen Wall Patterning.
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Xie X., Zhang Z., Zhao Z., Xie Y., Li H., Ma X., Liu Y.G., Chen L.
J. Exp. Bot. 2020 71(9) 2551-2560
The mitochondrial aldehyde dehydrogenase OsALDH2b negatively regulates tapetum degeneration in rice.
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Zafar S.A., Patil S.B., Uzair M., Fang J., Zhao J., Guo T., Yuan S., Uzair M., Luo Q., Shi J., Schreiber L., Li X.
New Phytol. 2020 225(1) 356-375
DEGENERATED PANICLE AND PARTIAL STERILITY 1 (DPS1) encodes a cystathionine beta-synthase domain containing protein required for anther cuticle and panicle development in rice.
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Hanamata S., Sawada J., Ono S., Ogawa K., Fukunaga T., Nonomura K.I., Kimura S., Kurusu T., Kuchitsu K.
Front Plant Sci 2020 11 172
Impact of Autophagy on Gene Expression and Tapetal Programmed Cell Death During pollen Development in Rice.
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Liao P.F., Ouyang J.X., Zhang J.J., Yang L., Wang X., Peng X.J., Wang D., Zhu Y.L., Li S.B.
Plant Mol. Biol. 2019 99(3) 193-204
OsDCL3b affects grain yield and quality in rice.
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Chen L., Deng R., Liu G., Jin J., Wu J., Liu X.
BMC Plant Biol. 2019 19(1) 546
Cytological and transcriptome analyses reveal OsPUB73 defect affects the gene expression associated with tapetum or pollen exine abnormality in rice.
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Peng X., Wang M., Li Y., Yan W., Chang Z., Chen Z., Xu C., Yang C., Xing Wang Deng, Wu J., Tang X.
J Integr Plant Biol 2019
Lectin receptor kinase OsLecRK-S.7 is required for pollen development and male fertility.
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Bai W., Wang P., Hong J., Kong W., Xiao Y., Yu X., Zheng H., You S., Lu J., Lei D., Wang C., Wang Q., Liu S., Liu X., Tian Y., Chen L., Jiang L., Zhao Z., Wu C., Wan J.
Plant Physiol. 2019 181(3) 1223-1238
<i>Earlier Degraded Tapetum1</i> (<i>EDT1</i>) Encodes an ATP-citrate lyase Required for Tapetum Programmed Cell Death.
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Yang Z., Sun L., Zhang P., Zhang Y., Yu P., Liu L., Abbas A., Xiang X., Wu W., Zhan X., Cao L., Cheng S.
Plant J. 2019 99(5) 844-861
TDR INTERACTING PROTEIN 3, encoding a PHD-finger transcription factor, regulates Ubisch bodies and pollen wall formation in rice.
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Yang Z., Liu L., Sun L., Yu P., Zhang P., Abbas A., Xiang X., Wu W., Zhang Y., Cao L., Cheng S.
Plant Mol. Biol. 2019 99(1-2) 175-191
osms1 functions as a transcriptional activator to regulate programmed tapetum development and pollen exine formation in rice.
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Sun L., Xiang X., Yang Z., Yu P., Wen X., Wang H., Abbas A., Muhammad Khan R., Zhang Y., Cheng S., Cao L.
Int J Mol Sci 2018 19(12)
<i>OsGPAT3</i> Plays a Critical Role in anther wall Programmed Cell Death and pollen Development in Rice.
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Yang Z., Zhang Y., Sun L., Zhang P., Liu L., Yu P., Xuan D., Xiang X., Wu W., Cao L., Cheng S.
Gene 2018 649 63-73
Identification of CYP703A3-3 and analysis of regulatory role of CYP703A3 in rice anther cuticle and pollen exine development.
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Zou T., Liu M., Xiao Q., Wang T., Chen D., Luo T., Yuan G., Li Q., Zhu J., Liang Y., Deng Q., Wang S., Zheng A., Wang L., Li P., Li S.
Plant Cell Rep. 2018 37(5) 759-773
OsPKS2 is required for rice male fertility by participating in pollen wall formation.
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Ni E., Zhou L., Li J., Jiang D., Wang Z., Zheng S., Qi H., Zhou Y., Wang C., Xiao S., Liu Z., Zhou H., Zhuang C.
Front Plant Sci 2018 9 1217
<i>OsCER1</i> Plays a Pivotal Role in Very-Long-Chain Alkane Biosynthesis and Affects Plastid Development and Programmed Cell Death of Tapetum in Rice (<i>Oryza sativa</i> L.).
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Yang X., Liang W., Chen M., Zhang D., Zhao X., Shi J.
Planta 2017
Rice fatty Acyl-CoA Synthetase OsACOS12 is required for tapetum programmed cell death and male fertility.
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Ko S.S., Li M.J., Lin Y.J., Hsing H.X., Yang T.T., Chen T.K., Jhong C.M., Ku M.S.
Front Plant Sci 2017 8 1258
Tightly Controlled Expression of bHLH142 Is Essential for Timely Tapetal Programmed Cell Death and pollen Development in Rice.
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Zhu X., Yu J., Shi J., Tohge T., Fernie A.R., Meir S., Aharoni A., Xu D., Zhang D., Liang W.
J Integr Plant Biol 2017
The polyketide synthase OsPKS2 is essential for pollen exine and Ubisch body patterning in rice.
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Men X., Shi J., Liang W., Zhang Q., Lian G., Quan S., Zhu L., Luo Z., Chen M., Zhang D.
J. Exp. Bot. 2017 68(3) 513-526
Glycerol-3-Phosphate Acyltransferase 3 (OsGPAT3) is required for anther development and male fertility in rice.
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Pu C.X., Han Y.F., Zhu S., Song F.Y., Zhao Y., Wang C.Y., Zhang Y.C., Yang Q., Wang J., Bu S.L., Sun L.J., Zhang S.W., Zhang S.Q., Sun D.Y., Sun Y.
Plant Cell 2017 29(1) 70-89
The Rice Receptor-Like Kinases DWARF AND RUNTISH SPIKELET1 and 2 Repress Cell Death and Affect Sugar Utilization during Reproductive Development.
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Liu Z., Lin S., Shi J., Yu J., Zhu L., Yang X., Zhang D., Liang W.
Plant J. 2017
Rice No pollen 1 (NP1) is required for anther cuticle formation and pollen exine patterning.
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Zhao S., Zhao L., Liu F., Wu Y., Zhu Z., Sun C., Tan L.
J Integr Plant Biol 2016 58(12) 983-996
NARROW AND ROLLED LEAF 2 regulates leaf shape, male fertility, and seed size in rice.
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Chang Z., Chen Z., Yan W., Xie G., Lu J., Wang N., Lu Q., Yao N., Yang G., Xia J., Tang X.
Plant Sci. 2016 253 21-30
An ABC transporter, OsABCG26, is required for anther cuticle and pollen exine formation and pollen-pistil interactions in rice.
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Yu J., Meng Z., Liang W., Behera S., Kudla J., Tucker M.R., Luo Z., Chen M., Xu D., Zhao G., Wang J., Zhang S., Kim Y.J., Zhang D.
Plant Physiol. 2016 172(3) 1772-1786
A Rice Ca2+ binding protein Is Required for Tapetum Function and pollen Formation.
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An G., Yi J., Moon S., Lee Y.S., Zhu L., Liang W., Zhang D.B., Jung K.H.
Plant Physiol. 2015
Defective Tapetum Cell Death 1 (DTC1) Regulates ROS Levels by Binding to Metallothionein during Tapetum Degeneration.
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Cao H., Li X., Wang Z., Ding M., Sun Y., Dong F., Chen F., Liu L., Doughty J., Li Y., Liu Y.X.
Plant Physiol. 2015 168(4) 1389-405
histone H2B Monoubiquitination Mediated by HISTONE MONOUBIQUITINATION1 and HISTONE MONOUBIQUITINATION2 Is Involved in Anther Development by Regulating Tapetum Degradation-Related Genes in Rice.
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Quilichini T.D., Grienenberger E., Douglas C.J.
Phytochemistry 2014
The biosynthesis, composition and assembly of the outer pollen wall: A tough case to crack.
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Marathi B., Jena K.K.
Euphytica 2014 201 1-14
Floral traits to enhance outcrossing for higher hybrid seed production in rice: present status and future prospects
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Tan H., Liang W., Hu J., Zhang D.
Dev. Cell 2012 22(6) 1127-37
MTR1 Encodes a Secretory fasciclin glycoprotein Required for Male Reproductive Development in Rice.
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Shi J. , Tan H. , Yu X.H. , Liu Y. , Liang W. , Ranathunge K. , Franke R.B. , Schreiber L. , Wang Y. , Kai G. , Shanklin J. , Ma H. , Zhang D.
Plant Cell 2011 23(6) 2225-46
Defective Pollen Wall Is Required for Anther and Microspore Development in Rice and Encodes a Fatty Acyl Carrier Protein Reductase.
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Li H., Pinot F., Sauveplane V., Danièle Werck-Reichhart, Diehl P., Schreiber L., Franke R., Zhang P., Chen L., Gao Y., Liang W., Zhang D.
Plant Cell 2010 22(1) 173-90
Cytochrome P450 family member cyp704B2 catalyzes the {omega}-hydroxylation of fatty acids and is required for anther cutin biosynthesis and pollen exine formation 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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endoplasmic reticulum( GO:0005783 )
tapetal layer development( GO:0048658 )
pollen development( GO:0009555 )
floral organ development( GO:0048437 )
cutin biosynthetic process( GO:0010143 )
anther development( GO:0048653 )
response to hydrogen peroxide( GO:0042542 )
sporopollenin biosynthetic process( GO:0080110 )
alkane 1-monooxygenase activity( GO:0018685 )
pollen wall assembly( GO:0010208 )
electron carrier activity( GO:0009055 )
iron ion binding( GO:0005506 )
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Trait Ontology
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oxidative stress( TO:0002657 )
male sterility( TO:0000437 )
floral organ development trait( TO:0006022 )
anther length( TO:0000531 )
anther color( TO:0000187 )
pollen abortion type( TO:0000218 )
grain yield per plant( TO:0000449 )
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Plant Ontology
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anther development stage( PO:0001004 )
pollen development stage( PO:0001007 )
cutin( PO:0025385 )
inflorescence( PO:0009049 )
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Related Strains
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Phenotype images
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Last updated
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Jul 24, 2026
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Update info.