Table I.

GA biosynthetic genes and their homologs in rice

EnzymeGene NameEntry NameChromosome LocationComment
CPSOsCPS1AP004572Chr. 2, 2.49 cMGA biosynthesis
OsCPS2AP005114Chr. 2, 86 cMLinked with OsKS5, OsKS6, and OsKS7
OsCPS3AP005767Chr. 9, 26.7 cMPseudogene
OsCPS4AL662933Chr. 4, 14.3 cMLinked with OsKS4
KSOsKS1OSJN00255Chr. 4, 104 cMGA biosynthesis
OsKS2OSJN00255Chr. 4, 104 cMLinked with OsKS1 and OsKS3
OsKS3OSJN00255Chr. 4, 104 cMLinked with OsKS1 and OsKS2
OsKS4OSJN00145Chr. 4, 14.3 cMLinked with OsCPS4
OsKS5AP005114Chr. 2, 86 cMLinked with OsKS6, OsKS7, and OsCPS2
OsKS6AP005114Chr. 2, 86 cMLinked with OsKS5, OsKS7, and OsCPS2
OsKS7AP005114Chr. 2, 86 cMLinked with OsKS5, OsKS6, and OsCPS2
OsKS8AC135398Chr. 11, 57.6 cMLinked with OsKS9
OsKS9AC135398Chr. 11, 57.6 cMPseudogene
KOOsKO1AP005471Chr. 6, 76 cMArranged as a gene cluster with 5 tandem repeats
OsKO2AP005471Chr. 6, 76 cMGA biosynthesis, loss of function induces d35
OsKO3AP005471Chr. 6, 76 cMArranged as a gene cluster with 5 tandem repeats
OsKO4AP005471Chr. 6, 76 cMArranged as a gene cluster with 5 tandem repeats
OsKO5AP005471Chr. 6, 76 cMArranged as a gene cluster with 5 tandem repeats
KAOOsKAOAP000616Chr. 6, 2 cMGA biosynthesis
GA20oxOsGA20ox1AC096690Chr. 3, 164.6 cM
OsGA20ox2AP003561Chr. 1, 149.1 cMLoss of function induces sd1
OsGA20ox3AP005840Chr. 7, 26–31 cM
OsGA20ox4AC124836Chr. 5, 80.4 cM
GA3oxOsGA3ox1AC144738Chr. 5, 33.6 cM
OsGA3ox2AP002523Chr. 1, 16.4–19.9 cMLoss-of-function induces d18
GA2oxOsGA2ox1AC119288Chr. 5, 29.1 cM
OsGA2ox2AP003143Chr. 1, 67.9 cM
OsGA2ox3AP003375Chr. 1, 130.1 cM
OsGA2ox4AC132485Chr. 5, 106 cM