Document Detail

The chloroplast psbK operon from mustard (Sinapis alba L.): multiple transcripts during seedling development and evidence for divergent overlapping transcription.
MedLine Citation:
PMID:  2253275     Owner:  NLM     Status:  MEDLINE    
The mustard chloroplasts genes psbK and psbI are co-transcribed, giving rise to precursor transcripts of several size classes, which are processed to the monocistronic mature RNAs. The psbK and psbI coding regions are flanked by the two tRNA genes trnS-GCU and trnQ-UUG on the opposite DNA strand. Transcript mapping indicates that the (primary) psbK-psbI transcript overlaps the complete trnS-GCU and trnQ-UUG transcripts. The transcription start site of the psbK operon appears to overlap that of the rps16 gene. During seedling development, the psbK and psbI precursors and mature transcripts all become detectable between 30 and 48 h after sowing and then remain at constant levels without much difference either in light or in darkness.
H Neuhaus; G Link
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Current genetics     Volume:  18     ISSN:  0172-8083     ISO Abbreviation:  Curr. Genet.     Publication Date:  1990 Nov 
Date Detail:
Created Date:  1991-01-24     Completed Date:  1991-01-24     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8004904     Medline TA:  Curr Genet     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  377-83     Citation Subset:  IM    
Ruhr-Universität Bochum, Fakultät für Biologie, Federal Republic of Germany.
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MeSH Terms
Base Sequence
Chromosome Mapping
Gene Expression Regulation
Genes, Plant*
Molecular Sequence Data
Multigene Family
Mustard Plant / genetics*
Plants, Medicinal*
RNA Precursors / genetics
RNA Probes
RNA Processing, Post-Transcriptional*
Seeds / growth & development
Transcription, Genetic*
Reg. No./Substance:
0/RNA Precursors; 0/RNA Probes

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

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