Biological process to genes

Query process ID GO:0016131
Process name The chemical reactions and pathways involving brassinosteroids, any of a group of steroid derivatives that occur at very low concentrations in plant tissues and may have hormone-like effects.
Organism Arabidopsis thaliana

Click Gene ID to show a list of co-expressed genes.

ECC Gene ID Repr. ID Gene name Functional description O.I. H.G. Other DB
XAt1g17060838276CYP72C1 (CYTOCHROME P450 72C1)Encodes a protein with similarity to other cytochrome P450's and is a homolog of BAS1. Over expression causes a dwarf phenotype resembling brassinolide resistant mutants. Double mutant analysis of sob7/bas1 loss of function mutants suggests these genes have redundant functions in light responsiveness. SOB7 may function in metabolizing brassinolides. Expressed in leaf, root, stem and silique but expression highest in flower and cauline leaves. Dominant overexpressing plants have dwarf phenotype, short siliques/seeds, rounded dark green leaves and short hypocotyls in light and dark. Loss of function alleles result in plants with long hypocotyls.O.I.H.G.
XAt2g03760814903STEncodes a brassinosteroid sulfotransferase. In vitro experiements show that this enzyme has a preference for 24-epibrassinosteroids, particularly 24-epicathasterone, but does not act on castasterone and brassinolide. It is differentially expressed during development, being more abundant in young seedlings and actively growing cell cultures. Expression is induced in response to salicylic acid and methyl jasmonate and bacterial pathogens.O.I.H.G.
XAt2g14920815981ST4A (SULFOTRANSFERASE 4A)Encodes a brassinosteroid sulfotransferase that may be involved in brassinosteroid inactivation. In vitro experiements show that this enzyme can act on a broad group of naturally occurring brassinosteroids, including the 24-epimers and (22R,23R)-28 homobrassinosteroids, that have an array of different side chains, though it shows a preference for (22R,23R)-28 homobrassinosteroids. ST4A is expressed in the roots and transcript levels fall in response to cytokinin treatment.O.I.H.G.
XAt2g26710817212BAS1 (PHYB ACTIVATION TAGGED SUPPRESSOR 1)Encodes a member of the cytochrome p450 family that serves as a control point between multiple photoreceptor systems and brassinosteroid signal transduction. Involved in brassinolide metabolism. Mediates response to a variety of light signals including hypocotyl elongation and cotyledon expansion.O.I.H.G.
XAt2g36800818252DOGT1 (DON-GLUCOSYLTRANSFERASE 1)Encodes a DON-Glucosyltransferase. The UGT73C5 glucosylates both brassinolide and castasterone in the 23-O position. The enzyme is presumably involved in the homeostasis of those steroid hormones hence regulating BR activity. Transgenic plants overexpressing UGT73C5 show a typical BR-deficient phenotype.O.I.H.G.
XAt2g45400819146BEN1involved in the regulation of brassinosteroid metabolic pathwayO.I.H.G.



The upper GO terms

Process ID Gene number Process name
GO:00161280The chemical reactions and pathways involving phytosteroids, steroids of higher plants differing from animal steroids C1 or C2 residues at C24 and/or a double bond at C22.
GO:00424450The chemical reactions and pathways involving any hormone, naturally occurring substances secreted by specialized cells that affects the metabolism or behavior of other cells possessing functional receptors for the hormone.



The lower GO terms

Process ID Gene number Process name
GO:00161329The chemical reactions and pathways resulting in the formation of brassinosteroids, any of a group of steroid derivatives that occur at very low concentrations in plant tissues and may have hormone-like effects.
GO:00161330The chemical reactions and pathways resulting in the breakdown of brassinosteroids, any of a group of steroid derivatives that occur at very low concentrations in plant tissues and may have hormone-like effects.





Comparison with co-expressed genes



Back to the CoP portal site

Back to the KAGIANA project homepage