GrainGenes Reference Report: GCE-49-599
Reference
GCE-49-599
Title
Differentiation and geographical distribution of beta-amylase isozyme in barley
Journal
Genetic Resources and Crop Evolution
Year
2002
Volume
49
Pages
599-605
Author
Kaneko T Zhang WS Ishii M Ito K Takeda K
Abstract
Summary: This study reports on the investigation of the polymorphism and geographical distribution of beta-amylase isozymes by isoelectric-focusing (IEF) analysis in samples of world barley. The isozyme pattern of high thermostability type A and low thermostability type C varieties was restricted in isozyme type II. However, the isozyme pattern of the middle thermostability type B varieties was polymorphic. The beta-amylase isozyme of 1,554 lines of the middle thermostability group was investigated next. Besides types I and II, new isozyme types III and IV were observed. Most lines were grouped into type II in all growing areas, except for Europe where type I and type II were even in number. Types III and IV were observed in only one line in India and Afghanistan, respectively. In Northern Europe, especially in Denmark, type I was major. It was concluded that a mutant IEF isozyme type I originated from the type II prototype of the thermostability B group in Northern Europe
Keyword
barley
[ Show all 14 ]
GrainGenes is a product of the Agricultural Research Service of the US Department of Agriculture.
GrainGenes Reference Report: GCE-49-599
|
| ||||||
|
| ||||||
|
| ||||||
|
| ||||||
|
| ||||||
|
| ||||||
|
| ||||||
|
| ||||||
|
|
GrainGenes is a product of the Agricultural Research Service of the US Department of Agriculture. | |||