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expand all sections collapse all sections  Oryza sativa Gene "sbe1"
ID 15583
Name sbe1 (GENE SYMBOL)
Synonyms (3)
GRAMENE GENEGR:0060838
Type Gene
Species Oryza sativa (Oryza sativa) [ GR_tax:013681 ]
Germplasm
Description The starch branching enzyme (alpha-1,4-glucan: alpha -1,4-glucan-6-
glucosyltransferase, E.C.2.4.1.18) catalyzes the synthesis of a-1,6 branching
linkages characteristic of amylopectin. Two isoforms of SBE (rice starch
branching enzyme) have been characterized in rice, as SBEI, and SBEIII. In
Nipponbare, the sequence of a rice gene, sbe1, that encodes a starch branching
enzyme diverges extremely from that of sbe2 which is homologous to the bacterial
glycogen branching enzyme. The gene, sbe1, is expressed abundantly and
specifically in developing seeds, maximally in mid stages of seed development.
This expression pattern completely coincides with that of the waxy gene. Three
G-box motifs and consensus promoter sequences are present in the 5' flanking
region of sbe1, which encodes a putative transit peptide that is required for
transport into the amyloplast.
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