CYP51G2 (CYP51A1):  CYP51G1 (CYP51A2):   obtusifolial 14alpha-demethylase.
1)  Kushiro M, Nakano T, Sato K, Yamagishi K, Asami T, Nakano A, Takatsuto S, Fujioka S, Ebizuka Y, Yoshida S  (2001)  Obtusifolial 14alpha-demethylase (CYP51) antisense Arabidopsis shows slow growth and long life.  Biochem Biophys Res Commun 285: 98-104.  PubMed
2)  Kim HB, Schaller H, Goh CH, Kwon M, Choe S, An CS, Durst F, Feldman KA, Feyereisen R  (2005)  Arabidopsis CYP51 mutant shows postembryonic seedling lethality associated with lack of membrane integrity.  Plant Physiol 138: 2033-2047.  PubMed

CYP71B7:   unknown.
Maughan JA, Nugent JH, Hallahan DL  (1997)  Expression of CYP71B7, a cytochrome P450 expressed sequence Tag from Arabidopsis thaliana.  Arch Biochem Biophys 341(1): 104-111.  PubMed

CYP71B15:   PAD3, camalexin (2,4 dihydroxy 1-4 benzoxazin-3-one) biosynthesis.
Zhou N, Tootle TL, Glazebrook J  (1999)  Arabidopsis PAD3, a gene required for camalexin biosynthesis, encodes a putative cytochrome P450 monoxygenase.  Plant Cell 11: 2419-2428.  PubMed

CYP72B1 (CYP734A1):   BAS1, hydroxylation of brassinolide to 26-hydroxybrassinolide and castasterone to 26-hydroxycastasterone, brassinosteroid inactivation (brassinolide 26-hydroxylase).
1)  Neff MM, Nguyen SM, Malancharuvil EJ, Fujioka S, Noguchi T, Seto H, Tsubuki M, Honda T, Takatsuto S, Yoshida S, Chory J  (1999)  BAS1: A gene regulating brassinosteroid levels and light responsiveness in Arabidopsis.  Proc Natl Acad Sci USA 96: 15316-15323.  PubMed
2)  Turk EM, Fujioka S, Seto H, Shimada Y, Takatsuto S, Yoshida S, Denzel MA, Torres QI, Neff MM  (2003)  CYP72B1 inactivates brassinosteroid hormones: an intersection between photomorphogenesis and plant steroid signal transduction.  Plant Physiol 133: 1643-1653.  PubMed

   CYP72C1:   CHI2, SOB7, shk1-D, brassinosteroid inactivation.
1)  Nakamura M, Satoh T, Tanaka S-I, Mochizuki N, Yokota T, Nagatani A  (2005)  Activation of the cytochrome P450 gene, CYP72C1, reduces the levels of active brassinosteroids in vivo.  J Exp Bot 56: 833-840.  PubMed
2)  Takahashi N, Nakazawa M, Shibata K, Yokota T, Ishikawa A, Suzuki K, Kawashima M, Ichikawa T, Shimada H, Matsui M  (2005)  shk1-D, a dwarf Arabidopsis mutant caused by activation of the CYP72C1 gene, has altered brassinosteroid levels.  Plant J 42: 13-22.  PubMed
3)  Turk EM, Fujioka S, Seto H, Shimada Y, Takatsuto S, Yoshida S, Wang H, Torres QI, Ward JM, Murthy G, Zhang J, Walker JC, Neff MM  (2005)  BAS1 and SOB7 act redundantly to modulate Arabidopsis photomorphogenesis via unique brassinosteroid inactivation mechanisms.  Plant J 42: 23-34.  PubMed

CYP73A5:   cinnamate 4-hydroxylase (C4H).
1)  Mizutani M, Ohta D, Sato R  (1997)  Isolation of a cDNA and a genomic clone encoding cinnamate 4-hydroxylase from Arabidopsis and its expression manner in plants.  Plant Physiol 113: 755-763.  PubMed
2)  Bell-Lelong DA, Cusumano JC, Meyer K, Chapple C  (1997)  Cinnamate-4-hydroxylase expression in Arabidopsis. Regulation in response to development and the environment.  Plant Physiol 113: 729-738.  PubMed
3)  Humphreys JM, Chapple C  (2004)  Immunodetection and quantification of cytochromes P450 using epitope tagging: immunological, spectroscopic, and kinetic analysis of cinnamate 4-hydroxylase.  J Immunol Meth 292: 97-107.  PubMed

CYP74A:   allene oxide synthase (AOS), jasmonic acid synthesis.
1)  Laudert D, Pfannschmidt U, Lottspeich F, Hollander-Czytko H, Weiler EW  (1996)  Cloning, molecular and functional characterization of Arabidopsis thaliana allene oxidase synthesis (CYP74), the first enzyme of the octadecanoid pathway to jasmonates.  Plant Mol Biol 31: 323-335.  PubMed
2)  Park J-H, Halitschke R, Kim HB, Baldwin IT, Feldmann KA, Feyereisen R  (2002)  A knockout mutation in allene oxide synthase results in male sterility and defective wound signal transduction in Arabidopsis due to a block in jasmonic acid biosynthesis.  Plant J 31: 1-12.  PubMed

CYP74B2:   hydroperoxide lyase (HPL).
1)  Bate NJ, Sivasankar S, Moxon C, Riley JMC, Thompson JE, Rothstein SJ  (1998)  Molecular characterization of an Arabidopsis gene encoding hydroperoxide lyase, a cytochrome P450 that is wound inducible.  Plant Physiol 117: 1393-1400.  PubMed
2)  Noordemeer MA, Veldink GA, Vliegenthart JF  (2001)  Fatty acid hydroperoxide lyase: a plant cytochrome P450 enzyme involved in wound healing and pest resistance.  Chembiochem 2: 494-504.  PubMed
3)  Kandzia R, Stumpe M, Berndt E, Szalata M, Matsui K, Feussner I.  (2003)  On the specificity of lipid hydroperoxide fragmentation by fatty acid hydroperoxide lyase from Arabidopsis thaliana.  J Plant Physiol 160: 803-809.  PubMed
4)  Duan H, Huang M-Y, Palacio K, Schuler MA  (2005)  Variations in CYP74B2 (hydroperoxide lyase) gene expression differentially affect hexenal signaling in the Columbia and Landsberg erecta ecotypes of Arabidopsis.  Plant Physiol 139: 1529-1544.  PubMed

CYP75B1:   flavonoid 3'-hydroxylase (F3'H).
Schoenbohm C, Martens S, Eder C, Forkmann G, Weisshaar B  (2000)  Identification of the Arabidopsis thaliana flavonoid 3'-hydroxylase gene and functional expression of the encoded P450 enzyme.  Biol Chem 381: 749-753.  PubMed

CYP76C1:   geraniol/nerol 10-hydroxylase.
Ohta D, Mizutani M  (1998)  Plant geraniol/nerol 10-hydroxylase and DNA coding therefor.  US Patent No. 5753507

CYP76C2:   unknown.
Godiard L, Sauviac L, Dalbin N, Liaubet L, Callard D, Czernic P, Marco Y  (1998)  CYP76C2, an Arabidopsis thaliana cytochrome P450 gene expressed during hypersensitive and developmental cell death.  FEBS Lett 438: 245-249.  PubMed

CYP77A4:   unknown.
- homozygous insertion mutant has been isolated by Elizabeth Vierling (vierling@email.arizona.edu).

CYP78A5:   unknown.
1)  Zondlo SC, Irish VF  (1999)  CYP78A5 encodes a cytochrome P450 that marks the shoot apical meristem boundary in Arabidopsis.  Plant J 19(3): 259-268.  PubMed
2)  Helliwell CA, Chin-Atkins AN, Wilson IW, Chapple R, Dennis ES, Chaudhury A  (2001)  The Arabidopsis AMP1 gene encodes a putative glutamate carboxypeptidase.  Plant Cell 9: 2115-2125.  PubMed  (upregulation of CYP78A5 in amp1 tissues)

CYP78A6:   unknown.
1)  Jebanathirajah J, Ferreira F, Narwani T, Sage R, Donaldson S, Coleman JR  (2001)  Identification of a cytochrome P-450 involved in Arabidopsis high CO2 insensitive response.  12th International Conference on Arabidopsis Research,  Abstract #388
2)  Goda H, Shimada Y, Asami T, Fujioka S, Yoshida S  (2002)  Microarray analysis of brassinosteroid-regulated genes in Arabidopsis.  Plant Physiol 130: 1319-1334.  PubMed  (CYP78A6: down-regulated by brassinosteroid treatments)

CYP78A9:   unknown
Ito T, Meyerowitz EM  (2000)  Overexpression of a gene encoding a cytochrome P450, CYP78A9, induces large and seedless fruit in Arabidopsis.  Plant Cell 12: 1541-1550.  PubMed

CYP79A2:   L-phenylalanine to phenylacetaldoxime, biosynthesis of benzylglucosinolate.
Wittstock U, Halkier BA  (2000)  Cytochrome P450 CYP79A2 from Arabidopsis thaliana L. catalyzes the conversion of L-phenylalanine to phenylacetaldoxime in the biosynthesis of benzylglucosinolate.  J Biol Chem 275 (19): 14659-14666.  PubMed

CYP79B2:   CYP79B3:   tryptophan to oxime, auxin biosynthesis / indole glucosinolate synthesis.
1)  Hull AK, Vij R, Celenza JL  (2000)  Arabidopsis cytochrome P450s that catalyze the first step of tryptophan-dependent indole-3-acetic acid biosynthesis.  Proc Natl Acad Sci USA 97(5): 2379-2384.  PubMed
2)  Mikkelsen MD, Hansen CH, Wittstock U, Halkier BA  (2000)  Cytochrome P450 CYP79B2 from Arabidopsis catalyzes the conversion of tryptophan to indole-3-acetaldoxime, a precursor of indole glucosinolates and indole-3-acetic acid.  J Biol Chem 275: 33712-33717.  PubMed
3)  Zhao Y, Hull AK, Gupta NR, Goss KA, Alonso J, Ecker JR, Normanly J, Chory J, Celenza JL  (2002)  Trp-dependent auxin biosynthesis in Arabidopsis: involvement of cytochrome P450s CYP79B2 and CYP79B3.  Genes Dev 16: 3100-3112.  PubMed
4)  Glawischnig E, Hansen BG, Olsen CE, Halkier BA  (2004)  Camalexin is synthesized from indole-3-acetaldoxime, a key branching point between primary and secondary metabolism in Arabidopsis.  Proc Natl Acad Sci USA 101: 8245-8250.  PubMed
5)  Celenza JL, Quiel JA, Smolen GA, Merrikh H, Silvestro AR, Normanly J, Bender J  (2005)  The Arabidopsis ATR1 Myb transcription factor controls indolic glucosinolate homeostasis.  Plant Physiol 137: 253-262.  PubMed
6)  Ljung K, Hull AK, Celenza J, Yamada M, Estelle M, Normanly J, Sandberg G  (2005)  Sites and regulation of auxin biosynthesis in Arabidopsis roots.  Plant Cell 17: 1090-1104.  PubMed

CYP79C2:   putative xylan endohydrolase

CYP79F1:   SUPERSHOOT (SPS), BUS1, short chain methionine derivatives (dihomomethionine, trihomomethionine) to oximes, aliphatic glucosinolate pathway.
1)  Tantikanjana T, Yong JWH, Letham DS, Griffith M, Hussain M, Ljung K, Sandberg G, Sundaresan V  (2001)  Control of axillary bud initiation and shoot architecture in Arabidopsis through the SUPERSHOOT gene.  Genes Dev 15: 1577-1588.  PubMed
2)  Hansen CH, Wittstock U, Olsen CE, Hick AJ, Pickett JA, Halkier BA  (2001)  Cytochrome P450 CYP79F1 from Arabidopsis catalyzes the conversion of dihomomethionine and trihomomethionine to the corresponding aldoximes in the biosynthesis of aliphatic glucosinolates.  J Biol Chem 276: 11078-11085.  PubMed
3)  Reintanz B, Lehnen M, Reichelt M, Gershenzon J, Kowalczyk M, Sandberg G, Godde M, Uhl R, Palme K  (2001)  bus, a bushy Arabidopsis CYP79F1 knockout mutant with abolished synthesis of short-chain aliphatic glucosinolates.  Plant Cell 13: 351-367.  PubMed
4)  Chen SX, Glawischnig E, Jorgensen K, Naur P, Jorgensen B, Olsen CE, Hansen CH, Rasmussen H, Pickett JA, Halkier BA  (2003)  CYP79F1 and CYP79F2 have distinct functions in the biosynthesis of aliphatic glucosinolates in Arabidopsis.  Plant J 33: 923-937.  PubMed
5)  Tantikanjana T, Mikkelsen MD, Hussain M, Halkier BA, Sundaresan V  (2004)  Functional analysis of the tandem-duplicated P450 genes SPS/BUS/CYP79F1 and CYP79F2 in glucosinolate biosynthesis and plant development by Ds transposition-generated double mutants.  Plant Physiol 135: 840-848.  PubMed

CYP79F2:   long chain methionine derivatives to oximes, aliphatic glucosinolate pathway.
1)  Reintanz B, Lehnen M, Reichelt M, Gershenzon J, Kowalczyk M, Sandberg G, Godde M, Uhl R, Palme K  (2001)  bus, a bushy Arabidopsis CYP79F1 knockout mutant with abolished synthesis of short-chain aliphatic glucosinolates.  Plant Cell 13: 351-367.  PubMed
2)  Chen SX, Glawischnig E, Jorgensen K, Naur P, Jorgensen B, Olsen CE, Hansen CH, Rasmussen H, Pickett JA, Halkier BA  (2003)  CYP79F1 and CYP79F2 have distinct functions in the biosynthesis of aliphatic glucosinolates in Arabidopsis.  Plant J 33: 923-937.  PubMed
3)  Tantikanjana T, Mikkelsen MD, Hussain M, Halkier BA, Sundaresan V  (2004)  Functional analysis of the tandem-duplicated P450 genes SPS/BUS/CYP79F1 and CYP79F2 in glucosinolate biosynthesis and plant development by Ds transposition-generated double mutants.  Plant Physiol 135: 840-848.  PubMed

CYP81F4:   unknown, pollen expression (At4g37410).

CYP83A1:   oxime-metabolizing enzyme of indole glucosinolate pathway.
1)  Bilodeau P, Udvari MK, Peacock WJ, Dennis ES  (1999)  A prolonged cold treatment-induced cytochrome P450 gene from Arabidopsis thaliana.  Plant Cell Environment 22: 791-800.  
2)  Bak S, Feyereisen R  (2001)  The involvement of two P450 enzymes, CYP83B1 and CYP83A1, in auxin homeostasis and glucosinolate biosynthesis.  Plant Physiol 127: 108-118.  PubMed
3)  Hemm MR, Ruegger MO, Chapple C  (2003)  The Arabidopsis ref2 mutant is defective in the gene encoding CYP83A1 and shows both phenylpropanoid and glucosinolate phenotypes.  Plant Cell 15: 179-194.  PubMed
4)  Naur P, Peterson BL, Mikkelsen MD, Bak S, Rasmussen H, Olsen CE, Halkier BA  (2003)  CYP83A1 and CYP83B1, two nonredundant P450 enzymes metabolizing oximes in the biosynthesis of glucosinolates in Arabidopsis.  Plant Physiol 133: 63-72.  Abstract

CYP83B1:   SUPERROOT2 (SUR2), oxime-metabolizing enzyme of indole glucosinolate pathway.
1)  Barlier I, Kowalczyk M, Marchant A, Ljung K, Bhalerao R, Bennett M, Sandberg G, Bellini C  (2000)  The SUR2 gene of Arabidopsis thaliana encodes the cytochrome P450 CYP83B1, a modulator of auxin homeostasis.  Proc Natl Acad Sci USA 97: 14819-14824.  PubMed
2)  Hansen CH, Du L, Naur P, Olsen CE, Axelsen KB, Hick AJ, Pickett JA, Halkier BA  (2001)  CYP83B1 is the oxime-metabolizing enzyme in the glucosinolate pathway in Arabidopsis.  J Biol Chem 276: 24790-24796.  PubMed
3)  Bak S, Tax FE, Feldmann KA, Galbraith DW, Feyereisen R  (2001)  CYP83B1, a cytochrome P450 at the metabolic branch point in auxin and indole glucosinolate biosynthesis in Arabidopsis.  Plant Cell 13: 101-111.  PubMed
4)  Bak S, Feyereisen R  (2001)  The involvement of two P450 enzymes, CYP83B1 and CYP83A1, in auxin homeostasis and glucosinolate biosynthesis.  Plant Physiol 127: 108-118.  PubMed
5)  Smolen G, Bender J  (2002)  Arabidopsis cytochrome P450 CYP83B1 mutations activate the tryptophan biosynthetic pathway.  Genetics 160: 323-332.  PubMed
6)  Naur P, Peterson BL, Mikkelsen MD, Bak S, Rasmussen H, Olsen CE, Halkier BA  (2003)  CYP83A1 and CYP83B1, two nonredundant P450 enzymes metabolizing oximes in the biosynthesis of glucosinolates in Arabidopsis.  Plant Physiol 133: 63-72.  PubMed
7)  Hoecker U, Toledo-Ortiz G, Bender J, Quail PH  (2004)  The photomorphogenesis-related mutant red1 is defective in CYP83B1, a red light-induced gene encoding a cytochrome P450 required for normal auxin homeostasis.  Planta 219: 195-200.  PubMed
8)  Celenza JL, Quiel JA, Smolen GA, Merrikh H, Silvestro AR, Normanly J, Bender J  (2005)  The Arabidopsis ATR1 Myb transcription factor controls indolic glucosinolate homeostasis.  Plant Physiol 137: 253-262.  PubMed

CYP84A1:   5-hydroxylase for coniferaldehyde, coniferyl alcohol and ferulic acid (F5H, FAH1), phenylpropanoid pathway.
1)  Meyer K, Cusumano JC, Somerville C, Chapple CC  (1996)  Ferulate-5-hydroxylase from Arabidopsis thaliana defines a new family of cytochrome P450-dependent monooxygenases.  Proc Natl Acad Sci USA 93: 6869-6874.  PubMed
2)  Meyer K, Shirley AM, Cusumano JC, Bell-Lelong DA, Chapple C  (1998)  Lignin monomer composition is determined by the expression of a cytocrome P450-dependent monooxygenase in Arabidopsis.  Proc Natl Acad Sci USA 95: 6619-6623.  PubMed
3)  Humphreys JM, Hemm MR, Chapple C  (1999)  New routes for lignin biosynthesis defined by biochemical characterization of recombinant ferulate 5-hydroxylase, a multifunctional cytochrome P450-dependent monooxygenase.  Proc Natl Acad Sci USA 96: 10045-10050.  PubMed
4)  Ruegger M, Meyer K, Cusumano JC, Chapple C  (1999)  Regulation of ferulate-5-hydroxylase expression in Arabidopsis in the context of sinapate ester biosynthesis.  Plant Physiol 119: 101-110.  PubMed
5)  Franke R, McMichael CM, Meyer K, Shirley AM, Cusumano JC, Chapple C  (2000)  Modified lignin in tobacco and poplar plants over-expressing the Arabidopsis gene encoding ferulate 5-hydroxylase.  Plant J 22: 223-234.  PubMed
6)  Jiang H, Morgan JA  (2004)  Optimization of an in vivo plant P450 monooxygenase system in Saccharomyces cerevisiae.  Biotechnol Bioeng 85: 130-137.  PubMed

CYP85A1:   CYP85A2:   steroid-6-oxidase, brassinosteroid biosynthesis.
1)  Shimada Y, Fujioka S, Miyauchi N, Kushiro M, Takatsuto S, Nomura T, Yokota T, Kamiya Y, Bishop GJ, Yoshida S  (2001)  Brassinosteroid-6-oxidases from Arabidopsis and tomato catalyze multiple C-6 oxidations in brassinosteroid biosynthesis.  Plant Physiol 126: 770-779.  PubMed
2)  Bancos S, Nomura T, Sato T, Molnar G, Bishop GJ, Koncz C, Yokota T, Nagy F, Szekeres M  (2002)  Regulation of transcript levels of the Arabidopsis cytochrome P450 genes involved in brassinosteroid biosynthesis.  Plant Physiol 130: 504-513.  PubMed
3)  Shimada Y, Goda H, Nakamura A, Takatsuto S, Fujioka S, Yoshida S  (2003)  Organ-specific expression of brassinosteroid-biosynthetic genes and distribution of endogenous brassinosteroids in Arabidopsis.  Plant Physiol 131: 287-297.  PubMed
4)  Nomura T, Kushiro T, Yokota T, Kamiya Y, Bishop GJ, Yamaguchi S  (2005)  The last reaction producing brassinolide is catalyzed by cytochrome P450s, CYP85A3 in tomato and CYP85A2 in Arabidopsis.  J Biol Chem 280: 17873-17879.  PubMed
5)  Kwon M, Fujioka S, Jeon JH, Kim HB, Takatsuto S, Yoshida S, An CS, Choe S  (2005)  A double mutant for the CYP85A1 and CYP85A2 genes for Arabidopsis exhibits a brassinosteroid dwarf phenotype.  J Plant Biol 48: 237-244.  
6)  Kim TW, Hwang JY, Kim YS, Joo SH, Chang SC, Lee JS, Takatsuto S, Kim SK  (2005)  Arabidopsis CYP85A2, a cytochrome P450, mediates the Baeyer-Villiger oxidation of castasterone to brassinolide in brassinosteroid biosynthesis.  Plant Cell 17: 2397-2412.  PubMed
7)  Nomura T, Kushiro T, Yokota T, Kamiya Y, Bishop GJ, Yamaguchi S  (2005)  The last reaction producting brassinolide is catalyzed by cytochrome P450s, CYP85A3 in tomato and CYP85A2 in Arabidopsis.  J Biol Chem 280: 17873-17879.  PubMed
8)  Kim TW, Hwang JY, Joo SH, Cheong H, Pharis RP, Kim SK  (2005)  Endogenous level of 28-norcastasterone is strictly regulated in plant cells.  J Plant Biol 48: 483-486.  

CYP86A1:   fatty acid omega-hydroxylase (saturated and unsaturated C12 to C18 fatty acids).
1)  Benveniste I, Tijet N, Adas F, Phillips G, Salaun J-P, Durst F  (1998)  CYP86A1 from Arabidopsis thaliana encodes a cytochrome P450-dependent fatty acid omega-hydroxylase.  Biochem Biophys Res Commun 243: 688-693.  PubMed
2)  Duan H, Schuler MA  (2005)  Differential expression and evolution of the Arabidopsis CYP86A subfamily.  Plant Physiol 137: 1067-1081.  PubMed

CYP86A2:   fatty acid oxidation, biosynthesis of extracellular lipids involved in cuticle formation.
1)  Xiao F, Goodwin SM, Xiao Y, Sun Z, Baker D, Tang X, Jenks MA, Zhou JM  (2004)  Arabidopsis CYP86A2 represses Pseudomonas syringae type III genes and is required for cuticle development.  EMBO J 23: 2903-2913.  PubMed
2)  Duan H, Schuler MA  (2005)  Differential expression and evolution of the Arabidopsis CYP86A subfamily.  Plant Physiol 137: 1067-1081.  PubMed

CYP86A8:   LACERATA (LCR), fatty acid omega-hydroxylase (C12 to C18 fatty acids).
1)  Wellensen K, Durst F, Pinot F, Benveniste I, Nettesheim K, Wisman E, Steiner-Lange S, Saedler H, Yephremov A  (2001)  Functional analysis of the LACERATA gene of Arabidopsis provides evidence for different roles of fatty acid omega-hydroxylation in development.  Proc Natl Acad Sci USA 98: 9694-9699.  PubMed
2)  Duan H, Schuler MA  (2005)  Differential expression and evolution of the Arabidopsis CYP86A subfamily.  Plant Physiol 137: 1067-1081.  PubMed

CYP86B1:   unknown.
Watson CJ, Froehlich JE, Josefsson CA, Chapple C, Durst F, Benveniste I, Coolbaugh RC  (2001)  Localization of CYP86B1 in the outer envelope of chloroplasts.  Plant Cell Physiol 42: 873-878.  PubMed

CYP88A3:   CYP88A4:   ent-kaurenoic acid oxidase (KAO), GA biosynthesis.
Helliwell CA, Chandler PM, Poole A, Dennis, E.S., Peacock, W.J.  (2001)  The CYP88A cytochrome P450, ent-kaurenoic acid oxidase, catalyzes three steps of the gibberellin biosynthesis pathway.  Proc Natl Acad Sci USA 98: 2065-2070.  PubMed

CYP90A1:   23alpha-hydroxylase for 6-oxo-cathasterone (CPD), brassinosteroid synthesis.
1)  Szekeres M, Nemeth K, Koncz-Kalman Z, Mathur J, Kauschmann A, Altmann T, Redei GP, Nagy F, Schell J, Koncz C  (1996)  Brassinosteroids rescue the deficiency of CYP90, a cytochrome P450 controlling cell elongation and de-etiolation in Arabidopsis.  Cell 85: 171-182.  PubMed
2)  Mathur J, Molnar G, Fujioka S, Takatsuto S, Sakurai A, Yokota T, Adam G, Voigt B, Nagy F, Maas C, Schell J, Koncz C, Szekeres M  (1998)  Transcription of the Arabidopsis CPD gene, encoding a steroidogenic cytochrome P450, is negatively controlled by brassinosteroids.  Plant J 14: 593-602.  PubMed
3)  Bancos S, Nomura T, Sato T, Molnar G, Bishop GJ, Koncz C, Yokota T, Nagy F, Szekeres M  (2002)  Regulation of transcript levels of the Arabidopsis cytochrome P450 genes involved in brassinosteroid biosynthesis.  Plant Physiol 130: 504-513.  PubMed
4)  Schuler U, Kopke D, Altmann T, Mussig C  (2002)  Analysis of carbohydrate metabolism of CPD antisense plants and the brassinosteroid-deficient cbb1 mutant.  Plant Cell Environment 25: 783-791.  
5)  Bancos S, Szatmari A-M, Castle J, Kozma-Bognar L, Shibata K, Yokota T, Bishop GJ, Nagy F, Szekeres M  (2006)  Diurnal regulation of the brassinosteroid-biosynthetic CPD gene in Arabidopsis.  Plant Physiol, Mar 10; [Epub ahead of print].  PubMed

CYP90B1:   22alpha-hydroxylase for 6-oxo-campestanol (Dwf4), brassinosteroid synthesis.
1)  Choe S, Dilkes BP, Fujioka S, Takatsuto S, Sakurai A, Feldmann KA  (1998)  The DWF4 gene of Arabidopsis encodes a cytochrome P450 that mediates multiple 22alpha-hydroxylation steps in brassinosteroid biosynthesis.  Plant Cell 10: 231-243.  PubMed
2)  Bancos S, Nomura T, Sato T, Molnar G, Bishop GJ, Koncz C, Yokota T, Nagy F, Szekeres M  (2002)  Regulation of transcript levels of the Arabidopsis cytochrome P450 genes involved in brassinosteroid biosynthesis.  Plant Physiol 130: 504-513.  PubMed
3)  Goda H, Shimada Y, Asami T, Fujioka S, Yoshida S  (2002)  Microarray analysis of brassinosteroid-regulated genes in Arabidopsis.  Plant Physiol 130: 1319-1334.  PubMed
4)  Shimada Y, Goda H, Nakamura A, Takatsuto S, Fujioka S, Yoshida S  (2003)  Organ-specific expression of brassinosteroid-biosynthetic genes and distribution of endogenous brassinosteroids in Arabidopsis.  Plant Physiol 131: 287-297.  PubMed
5)  Fujita S, Ohnishi T, Yokota T, Takatsuto S, Fujioka S, Yoshida S, Sakata K, Mizutani M  (2004)  Arabidopsis CYP90B1 catalyzes the C-22 hydroxylation of C-27, C-28, and C-29-brassinosteroids.  Abstract presented at the 18th International Conference on Plant Growth Substances held in Canberra, Australia, September 20-24, 2004.  WebLink
6)  Kim HB, Kwon M, Ryu H, Fujioka S, Takatsuto S, Yoshida S, An CS, Lee I  (2006)  The regulation of DWARF4 expression is likely a critical mechanism in maintaining the homeostasis of bioactive brassinosteroids in Arabidopsis  Plant Physiol 140: 548-557.  PubMed
7)  Fujita S, Ohnishi T, Watanabe B, Yokota T, Takatsuto S, Fujioka S, Yoshida S, Sakata K, Mizutani M  (2006)  Arabidopsis CYP90B1 catalyzes the early C-22 hydroxylation of C-27, C-28 and C-29 sterols.  Plant J 45: 765-774.  PubMed

   CYP90C1:   ROTUNDIFOLIA3 (ROT3), conversion of typhasterol to castasterone, brassinosteroid synthesis.
1)  Kim GT, Tsukaya H, Uchimiya H  (1998)  The ROTUNDIFOLIA3 gene of Arabidopsis thaliana encodes a new member of the cytochrome P-450 family that is required for the regulated polar elongation of leaf cells.  Genes Dev 12: 2381-2391.  PubMed
2)  Kim GT, Tsukaya H, Saito Y, Uchimiya H  (1999)  Changes in the shapes of leaves and flowers upon overexpression of cytochrome P450 in Arabidopsis.  Proc Natl Acad Sci USA 96: 9433-9437.  PubMed
3)  Kim G-T, Fujioka S, Kozuka T, Tax FE, Takatsuto S, Yoshida S, Tsukaya H  (2005)  CYP90C1 and CYP90D1 are involved in different steps in the brassinosteroid biosynthesis pathway in Arabidopsis thaliana.  Plant J 41: 710-721.  PubMed

   CYP90D1:   brassinosteroid synthesis.
Kim G-T, Fujioka S, Kozuka T, Tax FE, Takatsuto S, Yoshida S, Tsukaya H  (2005)  CYP90C1 and CYP90D1 are involved in different steps in the brassinosteroid biosynthesis pathway in Arabidopsis thaliana.  Plant J 41: 710-721.  PubMed

CYP97A3:   carotenoid β-hydroxylase, formation of lutein from α-carotene.
1)  Tian L, Musetti V, Kim J, Magallanes-Lundback M, DellaPenna D  (2004)  The Arabidopsis LUT1 locus encodes a member of the cytochrome P450 family that is required for carotenoid ε-ring hydroxylation activity.  Proc Natl Acad Sci USA 101: 402-407.  PubMed
2)  Kim J, DellaPenna D  (2006)  Defining the primary route for lutein synthesis in plants: The role of Arabidopsis carotenoid {beta}-ring hydroxylase CYP97A3.  Proc Natl Acad Sci USA 103: 3474-3479.  PubMed

CYP97C1:   carotenoid ε-ring hydroxylase, ε-hydroxylase (LUT1), formation of lutein from α-carotene.
Tian L, Musetti V, Kim J, Magallanes-Lundback M, DellaPenna D  (2004)  The Arabidopsis LUT1 locus encodes a member of the cytochrome P450 family that is required for carotenoid ε-ring hydroxylation activity.  Proc Natl Acad Sci USA 101: 402-407.  PubMed

CYP98A3:   3'-hydroxylase of phenolic esters, p-coumarate hydroxylase (REF8, C3H), phenylpropanoid pathway.
1)  Schoch G, Goepfert S, Morant M, Hehn A, Meyer D, Ullmann P, Werck-Reichhart D  (2001)  CYP98A3 from Arabidopsis thaliana is a 3'-hydroxylase of phenolic esters, a missing link in the phenylpropanoid pathway.  J Biol Chem 276: 36566-36574.  PubMed
2)  Franke R, Humphreys JM, Hemm MR, Denault JW, Ruegger MO, Cusumano JC, Chapple C  (2002)  The Arabidopsis REF8 gene encodes the 3'-hydroxylase of phenylpropanoid metabolism.  Plant J 30: 33-45.  PubMed
3)  Nair RB, Xia Q, Kartha CJ, Kurylo E, Hirji RN, Datla R, Selvaraj G  (2002)  Arabidopsis CYP98A3 mediating aromatic 3-hydroxylation.  Developmental regulation of the gene, and expression in yeast.  Plant Physiol 130: 210-220.  PubMed
4)  Abdulrazzak N, Pollet B, Ehlting J, Larsen K, Asnaghi C, Ronseau S, Proux C, Erhardt M, Seltzer V, Renou J-P, Ullmann P, Pauly M, Lapierre C, Werck-Reichhart D  (2006)  A coumaroyl-ester-3-hydroxylase insertion mutant reveals the existence of nonredundant meta-hydroxylation pathways and essential roles for phenolic precursors in cell expansion and plant growth.  Plant Physiol 140: 30-48.  PubMed
5)  Kai K, Shimizu BI, Mizutani M, Watanabe K, Sakata K  (2006)  Accumulation of coumarins in Arabidopsis thaliana.  Phytochemistry 67: 379-386.  PubMed

CYP701A3:   ent-kaurene oxidase (KO), GA biosynthesis.
1)  Helliwell CA, Sheldon CC, Olive MR, Walker AR, Zeevaart JA, Peacock WJ, Dennis ES  (1998)  Cloning of the Arabidopsis ent-kaurene oxidase gene GA3.  Proc Natl Acad Sci USA 95: 9019-9024.  PubMed
2)  Helliwell CA, Poole A, Peacock WJ, Dennis ES  (1999)  Arabidopsis ent-kaurene oxidase catalyzes three steps of gibberellin biosynthesis.  Plant Physiol 119: 507-510.  PubMed
3)  Helliwell CA, Sullivan JA, Mould RM, Gray JC, Peacock WJ, Dennis ES  (2001)  A plastid envelope location of Arabidopsis ent-kaurene oxidase links the plastid and endoplasmic reticulum steps of the gibberellin biosynthesis pathway.  Plant J 28: 201-208.  PubMed

CYP705A22   unknown function.
Shipp MJ, Withers JC, Wyatt SE  (2004)  A cytochrome P450 may be involved in gravitropic signal transduction.  Abstract #406, American Society of Plant Biologists, Lake Buena Vista, Florida, July 24th-28th, 2004.

CYP706A3:    CYP706A4:    CYP706A5:    CYP706A7:   flavonoid 3',5'-hydoxylase-like.

CYP707A1:   CYP707A2:   CYP707A3:   CYP707A4:   ABA 8'-hydroxylase, abscisic acid metabolism.
1)  Krochko JE, Abrams GD, Loewen MK, Abrams SR, Cutler AJ  (1998)  (+)-Abscisic acid 8'-hydroxylase is a cytochrome P450 monooxygenase.  Plant Physiol 118: 849-860.  PubMed
2)  Saito S, Hirai N, Matsumoto C, Ohigashi H, Ohta D, Sakata K, Mizutani M  (2004)  Arabidopsis CYP707As encode (+)-abscisic acid 8'-hydroxylase, a key enzyme in the oxidative catabolism of abscisic acid.  Plant Physiol 134: 1439-1449.  PubMed
3)  Kushiro T, Okamoto M, Nakabayashi K, Yamagishi K, Kitamura S, Asami T, Hirai N, Koshiba T, Kamiya Y, Nambara E  (2004)  The Arabidopsis cytochrome P450 CYP707A encodes ABA 8'-hydroxylases: key enzymes in ABA catabolism.  EMBO J 23: 1647-1656.  PubMed
4)  Okamoto M, Kuwahara A, Seo Mistunori, Kushiro T, Asami T, Hirai N, Kamiya Y, Koshiba T, Nambara E  (2006)  CYP707A1 and CYP707A2, which encode ABA 8'-hydroxylases, are indispensabe for a proper control of seed dormancy and germination in Arabidopsis.  Plant Physiol, Mar 16; [Epub ahead of print].  

CYP710A1:   sterol C-22 desaturase with β-sitosterol as substrate, to give stigmasterol.
Morikawa T, Mizutani M, Aoki N, Watanabe B, Saga H, Saito S, Oikawa A, Suzuki H, Sakurai N, Shibata D, Wadano A, Sakata K, Ohta D  (2006)   Cytochrome P450 CYP710A encodes the sterol C-22 desaturase in Arabidopsis and tomato.  Plant Cell, Mar 10; [Epub ahead of print].  PubMed

CYP710A2:   C-22 desaturase with 24-epi-campesterol and β-sitosterol as substrates, to give brassicasterol and stigmasterol, respectively.
Morikawa T, Mizutani M, Aoki N, Watanabe B, Saga H, Saito S, Oikawa A, Suzuki H, Sakurai N, Shibata D, Wadano A, Sakata K, Ohta D  (2006)   Cytochrome P450 CYP710A encodes the sterol C-22 desaturase in Arabidopsis and tomato.  Plant Cell, Mar 10; [Epub ahead of print].  PubMed

CYP711A1:   similarity to thromboxane-A synthase.
Booker J, Sieberer T, Wright W, Williamson L, Willett B, Stirnberg P, Turnbull C, Srinivasan M, Goddard P, Leyser O  (2005)  MAX1 encodes a cytochrome P450 family member that acts downstream of MAX3/4 to produce a carotenoid-derived branch-inhibiting enzyme.  Dev Cell 8: 443-449.  PubMed

CYP724A1:   DAS5, brassinosteroid biosynthesis.
Chory J, Wang Z  (2004)  Das5, a P450 protein involved in the brassinosteroid pathway in plants.  US Patent No. 6768043

CYP734A1 (CYP72B1):   BAS1, hydroxylation of brassinolide to 26-hydroxybrassinolide and castasterone to 26-hydroxycastasterone, brassinosteroid inactivation (brassinolide 26-hydroxylase).
1)  Neff MM, Nguyen SM, Malancharuvil EJ, Fujioka S, Noguchi T, Seto H, Tsubuki M, Honda T, Takatsuto S, Yoshida S, Chory J  (1999)  BAS1: A gene regulating brassinosteroid levels and light responsiveness in Arabidopsis.  Proc Natl Acad Sci USA 96: 15316-15323.  PubMed
2)  Turk EM, Fujioka S, Seto H, Shimada Y, Takatsuto S, Yoshida S, Denzel MA, Torres QI, Neff MM  (2003)  CYP72B1 inactivates brassinosteroid hormones: an intersection between photomorphogenesis and plant steroid signal transduction.  Plant Physiol 133: 1643-1653.  PubMed
3)  Turk EM, Fujioka S, Seto H, Shimada Y, Takatsuto S, Yoshida S, Wang H, Torres QI, Ward JM, Murthy G, Zhang J, Walker JC, Neff MM  (2005)  BAS1 and SOB7 act redundantly to modulate Arabidopsis photomorphogenesis via unique brassinosteroid inactivation mechanisms.  Plant J 42: 23-34.  PubMed  (CYP72C1, CYP734A1)

CYPP735A1:   CYP735A2:   cytokinin hydroxylases, biosynthesis of trans-zeatin.
Takei K, Yamaya T, Sakakibara H  (2004)  Arabidopsis CYP735A1 and CYP735A2 encode cytokinin hydroxylases that catalyze the hiosynthesis of trans-zeatin.  J Biol Chem 279: 41866-41872.  PubMed