Alpha-amylase synthesis in wheat kernels as influenced by the seed coat.

Abstract:

:The effect of seed coat removal on the synthesis of alpha-amylase isoenzymes in wheat was investigated. The immature wheat endosperm-aleurone (seed coat and embryo detached) produced considerably less alpha-amylase activity than immature whole or de-embryonated wheat kernels, when incubated under identical conditions of 18.5 C and 99% humidity, in the presence or absence of gibberellic acid (GA(3)). The incubated endosperm-aleurone also exhibited unique alpha-amylase isoenzyme composition when compared to the isoenzyme compositions of incubated whole and de-embryonated immature and mature wheat kernels both in the presence or absence of GA(3). Subsequent studies indicated that the seed coat may contain factor(s) required for normal alpha-amylase isoenzyme synthesis.

journal_name

Plant Physiol

journal_title

Plant physiology

authors

Marchylo BA,Lacroix LJ,Kruger JE

doi

10.1104/pp.67.1.89

subject

Has Abstract

pub_date

1981-01-01 00:00:00

pages

89-91

issue

1

eissn

0032-0889

issn

1532-2548

journal_volume

67

pub_type

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