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Basic Information
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CGSNL Gene Symbol
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SK2(T)(SCL, FGR)
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Gene Symbol Synonym
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sk2(t)(scl, fgr), fgr, scl, BAD2, BADH2, sk2, OsBADH2, Badh2, badh2, Os2AP, BADH-2, OsALDH10A8, ALDH10A8
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CGSNL Gene Name
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SCENTED KERNEL 2
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Gene Name Synonym
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scented kernel2, scented kernel 2, fragrance, betaine-aldehyde dehydrogenase 2, betaine aldehyde dehydrogenase 2, scented kernel-2, betaine aldehyde dehydrogenase-2, Aldehyde dehydrogenase 10A8
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Protein Name
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BETAINE-ALDEHYDE DEHYDROGENASE 2
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Allele
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badh2-E2, badh2-E7, badh2.1, osbadh2, badh2, badh2-2, badh2-4
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Chromosome No.
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8
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Explanation
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Scent expressed in the tissue of leaf and kernel. It is located at the end of linkage group of chromosome 8, near the RFLP marker RG28. AB096083. EU770319-EU770324. FJ697177-FJ705056. JQ345686-JQ345690. JN599158, JN599159, JN599152, JN599151. PO:0009011; plant structure ; PO:0000003; whole plant ; PO:0009010; seed.
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Trait Class
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Biochemical character
Seed - Physiological traits - Taste
Tolerance and resistance - Stress tolerance
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Expression
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Sequence/Locus
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cDNA Accession No.
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AK071221
AK060461
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MSU ID
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LOC_Os08g32870.1
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RAP ID
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Os08g0424500
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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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Guan S., Han Y., Zhang J., Du Y., Chen Z., Miao C., Li J.
Genes (Basel) 2026 17(1)
Multiplex Gene Editing and Effect Analysis of Yield, Fragrance, and Blast Resistance Genes in Rice.
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Li Y., Miao Y., Yuan H., Huang F., Sun M., He L., Liu X., Luo J.
Mol Plant 2024 17(12) 1866-1882
Volatilome-based GWAS identifies OsWRKY19 and OsNAC021 as key regulators of rice aroma.
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Li Y., Zhang W., Li M., Ling X., Guo D., Yang Y., Liu Q., Zhang B., Wang J.
Plant Commun 2024 101141
Discovery of OsODC as a key enhancer of aroma and development of highly fragrant rice.
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Renuka N., Barvkar V.T., Ansari Z., Zhao C., Wang C., Zhang Y., Nadaf A.B.
Sci Rep 2022 12(1) 3911
Co-functioning of 2AP precursor amino acids enhances 2-acetyl-1-pyrroline under salt stress in aromatic rice (Oryza sativa L.) cultivars.
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Prodhan Z.H., Islam S.A., Alam M.S., Li S., Jiang M., Tan Y., Shu Q.
Plants (Basel) 2022 11(21)
Impact of <i>OsBadh2</i> Mutations on Salt Stress Response in Rice.
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Usman B., Nawaz G., Zhao N., Liu Y., Li R.
Plants (Basel) 2020 9(6)
Generation of High Yielding and Fragrant Rice (<i>Oryza sativa</i> L.) Lines by CRISPR/Cas9 Targeted Mutagenesis of Three Homoeologs of Cytochrome P450 Gene Family and <i>OsBADH2</i> and Transcriptome and Proteome Profiling of Revealed Changes Triggered by Mutations.
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Tang W., Sun J., Liu J., Liu F., Yan J., Gou X., Lu B.R., Liu Y.
Plant Mol. Biol. 2014 86(4-5) 443-54
RNAi-directed downregulation of betaine aldehyde dehydrogenase 1 (OsBADH1) results in decreased stress tolerance and increased oxidative markers without affecting glycine betaine biosynthesis in rice (Oryza sativa).
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Salgotra R.K., Gupta B.B., Millwood R.J., Balasubramaniam M., Stewart Jr.
Euphytica 2012 187(3) 313-323
Introgression of bacterial leaf blight resistance and aroma genes using functional marker-assisted selection in rice (Oryza sativa L.)
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Jiamsomboon K., Treesuwan W., Boonyalai N.
Biochimie 2012 94(8) 1773-83
Dissecting substrate specificity of two rice BADH isoforms: Enzyme kinetics, docking and molecular dynamics simulation studies.
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Saha,P.S., Nandagopal,K., Ghosh,B. and Jha,S.
Nucleus (Calcutta) 2012 55(2) 83-88
Molecular characterization of aromatic Oryza sativa L. cultivars from West Bengal, India
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Myint K.M., Arikit S., Wanchana S., Yoshihashi T., Choowongkomon K., Vanavichit A.
Theor. Appl. Genet. 2012
A PCR-based marker for a locus conferring the aroma in Myanmar rice (Oryza sativa L.).
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Shams F.D., Kuddus M.M.A., Nasiruddin K.M., Begum S.N., Islam M.M.
Plant Tissue Cult. & Biotech. 2012 22(1) 65-71
Genetic Analysis of Aromatic and Quality Rice Germplasm using Microsatellite Markers
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Rajpurohit D., Kumar R., Kumar M., Paul P., Awasthi A., Osman Basha P., Puri A., Jhang T., Singh K., Dhaliwal H.S.
Euphytica 2011 178 111-126
Pyramiding of two bacterial blight resistance and a semidwarfing gene in Type 3 Basmati using marker-assisted selection
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Kuaprasert B., Silprasit K., Horata N., Khunrae P., Wongpanya R., Boonyalai N., Vanavichit A., Choowongkomon K.
Acta Crystallogr. Sect. F Struct. Biol. Cryst. Commun. 2011 67(Pt 10) 1221-3
Purification, crystallization and preliminary X-ray analysis of recombinant betaine aldehyde dehydrogenase 2 (OsBADH2), a protein involved in jasmine aroma, from Thai fragrant rice (Oryza sativa L.).
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Simeon O Kotchoni, Jose C Jimenez-Lopez, Gao D., Edwards V., Emma W Gachomo, Venu M Margam, Manfredo J Seufferheld
PLoS ONE 2010 5(7) e11516
Modeling-dependent protein characterization of the rice aldehyde dehydrogenase (ALDH) superfamily reveals distinct functional and structural features.
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Kovach MJ,Calingacion MN,Fitzgerald MA,McCouch SR
Proc. Natl. Acad. Sci. U.S.A. 2009 106(34) 14444-9
The origin and evolution of fragrance in rice (Oryza sativa L.).
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Mitsuya S., Yokota Y., Fujiwara T., Mori N., Takabe T.
FEBS Lett. 2009 583(22) 3625-9
OsBADH1 is possibly involved in acetaldehyde oxidation in rice plant peroxisomes.
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Bourgis,F., Guyot,R., Gherbi,H., Tailliez,E., Amabile,I., Salse,J., Lorieux,M., Delseny,M. and Ghesquiere,A.
Theor. Appl. Genet. 2008 117(3) 353-368
Characterization of the major fragance gene from an aromatic japonica rice and analysis of its diversity in Asian cultivated rice
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Bradbury LM, Gillies SA, Brushett DJ, Waters DL, Henry RJ.
Plant Mol. Biol. 2008 68(4-5) 439-49.
Inactivation of an aminoaldehyde dehydrogenase is responsible for fragrance in rice.
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Niu X,Tang W,Huang W,Ren G,Wang Q,Luo D,Xiao Y,Yang S,Wang F,Lu BR,Gao F,Lu T,Liu Y
BMC Plant Biol 2008 8 100
RNAi-directed downregulation of OsBADH2 results in aroma (2-acetyl-1-pyrroline) production in rice (Oryza sativa L.).
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Chen,S., Yang,Y., Shi,W., Ji,Q., He,F., Zhang,Z., Cheng,Z., Liu,X. and Xu,M.
Plant Cell 2008 20(7) 1850-1861
Badh2, encoding betaine aldehyde dehydrogenase, inhibits the biosynthesis of 2-acetyl-1-pyrroline, a major component in rice fragrance
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Bradbury LM, Fitzgerald TL, Henry RJ, Jin Q, Waters DL.
Plant Biotechnol J. 2005 3(3) 363-70
The gene for fragrance in rice.
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Garland, S., L. Lewin, A. Blakeney, R. Reinke and R. Henry
Theor. Appl. Genet. 2000 101 364-371
PCR-based molecular markers for the fragrance gene in rice (Oryza sativa L.).
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Tragoonrung, S., J.Q. Sheng and A. Vanavichit
Rice Genetics III. IRRI, Manila, Philippines. 1996 613-618.
Tagging an aromatic gene in lowland rice using bulk segregant analysis.
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Das, T.
RGN 1995 12 209-211.
Genetic relation between dormancy and aroma in rice.
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Kinoshita, T.
RGN 1994 11 8-11
I. Registration of new gene symbols.
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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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Ahn, S.N., C.N. Bollich, A.M. McClung and S.D. Tanksley
Theor. Appl. Genet. 1993 87 27-32.
RFLP analysis of genomic regions associated with cooked-kernel elongation in rice.
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S. N. Ahn, C. N. Bollich and S. D. Tanksley
Theor. Appl. Genet. 1992 84 825-828.
RFLP tagging of a gene for aroma in rice
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Yano, M., E. Simosaka, A. Saito and M. Nakagahra
Japan. J. Breed. 1991 41(Suppl. 1) 338-339.
Linkage analysis on gene for scent in indica rice variety, Surjamkhi, using a restriction fragment length polymorphism markers.
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DB Reference
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Gramene ID
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GR:0060894
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Ontologies
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Gene Ontology
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glycine betaine biosynthetic process( GO:0031456 )
phenylpropanoid metabolic process( GO:0009698 )
peroxisome( GO:0005777 )
response to stress( GO:0006950 )
betaine-aldehyde dehydrogenase activity( GO:0008802 )
response to flooding( GO:0009413 )
chloroplast( GO:0009507 )
plastid( GO:0009536 )
response to salt stress( GO:0009651 )
aromatic compound biosynthetic process( GO:0019438 )
ketone biosynthetic process( GO:0042181 )
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Trait Ontology
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aroma( TO:0000087 )
submergence sensitivity( TO:0000286 )
salt tolerance( TO:0006001 )
proline content( TO:0006002 )
hydrogen peroxide content( TO:0000605 )
amino acid content( TO:0002673 )
leaf rolling tolerance( TO:0002662 )
relative root length( TO:0000516 )
relative total dry weight( TO:0000633 )
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Plant Ontology
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whole plant( PO:0000003 )
seed( PO:0009010 )
plant structure( PO:0009011 )
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Related Strains
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Phenotype images
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Last updated
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Aug 12, 2026
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Update info.