Character ization of sorghum endosperm starch granule associated proteins using proteomics
Date Issued
2002-07-31
Date
2002-07-31
Author(s)
謝兆樞
DOI
902313B002270
Abstract
The waxy locus of cereals determines
the amylose content in endosperm of
developing grain. It encodes the starch
granule-bound starch synthase (GBSS),
which forms straight chain polymer amylose.
The proportion of amylose and amylopectin
content in cereal endosperm starch is a major
determinant of cooking and industrial
qualities. This required proportion can not be adjusted by adding amylose externally to
the original starch. Therefore, the unique
line with specific amylose content is
searching for urgently by the plant breeders.
In our previous studies we had emphasized
on the enzymes which are linked to this traits.
We had already sequenced the cDNAs of
GBSS, soluble starch synthase (SSS) and
branching enzyme of sorghum grains. In
this proposed work, we will further sequence
the cDNAs of sorghum debranching enzyme
and ADPG pyrophosphorylase. And then
we will go on the studies on
post-translational modification of these
starch proteins.
Publisher
臺北市：國立臺灣大學農藝學系暨研究所
Type
report
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