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PMID: 2562562 Published · ppublish English Journal Article Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S.

Soybean beta-conglycinin genes are clustered in several DNA regions and are regulated by transcriptional and posttranscriptional processes.

The Plant cell ·Vol. 1 ·No. 4 ·1989-04-00 ·Pages 415-25

Harada JJ, Barker SJ, Goldberg RB

Abstract

We investigated the chromosomal organization and developmental regulation of soybean beta-conglycinin genes. The beta-conglycinin gene family contains at least 15 members divided into two major groups encoding 2.5-kilobase and 1.7-kilobase embryo mRNAs. beta-Conglycinin genes are clustered in several DNA regions and are highly homologous along their entire lengths. The two groups differ by the presence or absence of specific DNA segments. These DNA segments account for the size differences in beta-conglycinin mRNAs. The 2.5-kilobase and 1.7-kilobase beta-conglycinin mRNAs accumulate and decay at different times during embryogenesis. By contrast, genes encoding these mRNAs are transcriptionally activated and repressed at the same time periods. Our studies indicate that the beta-conglycinin family evolved by both duplication and insertion/deletion events, and that beta-conglycinin gene expression is regulated at both the transcriptional and posttranscriptional levels.

MeSH Terms
Amino Acid Sequence Antigens, Plant Base Sequence DNA Gene Expression Regulation Globulins/genetics Molecular Sequence Data Multigene Family RNA Processing, Post-Transcriptional Restriction Mapping Seed Storage Proteins Sequence Homology Soybean Proteins Soybeans/genetics Transcription, Genetic
Chemicals
Antigens, Plant Globulins Seed Storage Proteins Soybean Proteins beta-conglycinin protein, Glycine max DNA
Authors & Affiliations
3 authors, click to expand affiliations / ORCID
Harada J J
Department of Biology, University of California, Los Angeles 90024-1606.
Barker S J
Goldberg R B
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Article Info
Journal
The Plant cell
Abbr.
Plant Cell
ISSN
1040-4651
DOI
10.1105/tpc.1.4.415
Published
1989-04-00
Pages
415-25
Language
English
Region
England
NLM ID
9208688
PMCID
PMC159773
Subset
IM
External Links
PubMed source DOI: 10.1105/tpc.1.4.415 PMC Full Text View journal details
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