The Analyse of Allelic Composition of the HMW Glutenin Subunits in Aegilops tauschii in Middle Reaches of the Yellow River

doi:10.7668/hbnxb.2008.03.008

Abstract

Abstract: A Collection of 56 accessions of Aegllops tauschll was investigated for the allelic composition of the high molecular weight subunits at the Glu-Dt1 locus by SDS-PAGE analysis.Three x-type glutenin subunits(5^t,6.2^t,null)and Three y-type subunits(10.5^t,10.4^t,10.3^t)were identified,respectively,according to their ascending mobility.Among them,subunit 6.2^t was a novel x-type glutenin subunit.Three HMW-GS combinations(5^t+10.5^t,6.2^t+10.4t,null+10.3^t,)were found in these collection,of which their percent were 91.07%,7.14% and 1.79%.The results indicated that some genetic diversity were presented in the 56 accessions of Aegilops tauschii.

Key words: Aegllops tauschll, Qu-D^t 1 locus, HMW-GS, SDS-PAGE

CLC Number:

S512.9
S1

ZHANG Ming, SU Ya-rui, ZHANG Da-le, LI Suo-ping. The Analyse of Allelic Composition of the HMW Glutenin Subunits in Aegilops tauschii in Middle Reaches of the Yellow River[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2008, 23(3): 28-30. doi: 10.7668/hbnxb.2008.03.008.

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