Document Detail


Subrepeats of rDNA intergenic spacer present as prominent independent satellite DNA in Vigna radiata but not in Vigna angularis.
MedLine Citation:
PMID:  2022324     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Subrepeats located in the rDNA intergenic spacer are also present as independently occurring, tandemly arranged satellite DNA clusters in the genome of Vigna radiata (mung bean). These 174-bp satellite repeats are identified as non-rDNA repeats by the presence of an AluI site. In the closely related Vigna angularis (adzuki bean), 174-bp repeats characterized by an AluI site occur in the rDNA with high sequence homology to the V. radiata rDNA subrepeats. A part of the 174-bp element that shows high similarity to a Xenopus terminator box (T2/T3) is slightly modified in V. angularis. However, a characteristic stem-loop structure can be formed, as in the case of V. radiata. Two highly conserved 12-bp regions occur within the 174-bp rDNA repeats of the two plants investigated. One of these 12-bp stretches exhibits some sequence identity to an element repeated twice in the 325-bp repeats in the intergenic spacer region of Vicia faba (broad bean).
Authors:
K Unfried; K Schiebel; V Hemleben
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Gene     Volume:  99     ISSN:  0378-1119     ISO Abbreviation:  Gene     Publication Date:  1991 Mar 
Date Detail:
Created Date:  1991-05-31     Completed Date:  1991-05-31     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7706761     Medline TA:  Gene     Country:  NETHERLANDS    
Other Details:
Languages:  eng     Pagination:  63-8     Citation Subset:  IM    
Affiliation:
Lehrstuhl für Allgemeine Genetik, Biologisches Institut, Universität Tübingen, F.R.G.
Data Bank Information
Bank Name/Acc. No.:
GENBANK/X16184;  X17209;  X17210
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MeSH Terms
Descriptor/Qualifier:
Animals
Base Composition
Base Sequence
DNA, Ribosomal / genetics*,  isolation & purification
DNA, Satellite / genetics*,  isolation & purification
Fabaceae / genetics*
Introns*
Molecular Sequence Data
Nucleic Acid Conformation
Plants, Medicinal*
Plasmids
Repetitive Sequences, Nucleic Acid
Species Specificity
Transcription, Genetic
Xenopus
Chemical
Reg. No./Substance:
0/DNA, Ribosomal; 0/DNA, Satellite

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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