Editing of mitochondrial atp9 transcripts from two sorghum lines

Genomic and cDNA sequences of the ATP synthase complex subunit 9 (atp9) genes from two sorghum lines were determined. Sequences of cDNAs revealed eight C to U transcript editing events resulting in six amino acid changes and a new stop codon which eliminated 12 carboxy-terminal residues, compared to...

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Bibliographic Details
Published in:Current genetics 1991-12, Vol.20 (6), p.483-486
Main Authors: Salazar, R.A. (Florida Univ., Gainesville (USA). Plant Pathology Dept. and United States Dept. of Agriculture/Agricultural Research Service), Pring, D.R, Kempken, F
Format: Article
Language:English
Subjects:
ADENOSINE TRIPHOSPHATE
ADENOSINTRIFOSFATO
Amino Acid Sequence
ARN
ATP synthase subunit 9
Base Sequence
Biological and medical sciences
DNA
Edible Grain - genetics
Fundamental and applied biological sciences. Psychology
LIGASAS
LIGASE
LIGASES
MITOCHONDRIA
Mitochondria - enzymology
MITOCHONDRIE
MITOCONDRIA
Molecular and cellular biology
Molecular genetics
Molecular Sequence Data
NUCLEOTIDE SEQUENCE
Plant mitochondria
Proton-Translocating ATPases - genetics
Proton-Translocating ATPases - metabolism
Reproduction
RNA
RNA editing
RNA Processing, Post-Transcriptional
SECUENCIA NUCLEICA
Sequence Homology, Nucleic Acid
SEQUENCE NUCLEIQUE
Sorghum
SORGHUM BICOLOR
Transcription. Transcription factor. Splicing. Rna processing
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Summary:Genomic and cDNA sequences of the ATP synthase complex subunit 9 (atp9) genes from two sorghum lines were determined. Sequences of cDNAs revealed eight C to U transcript editing events resulting in six amino acid changes and a new stop codon which eliminated 12 carboxy-terminal residues, compared to the genomic sequence. Sorghum atp9 has a unique five-residue amino-extension relative to other higher plants. The resulting predicted 79-residue gene product has a molecular weight of 8.179 kDa. The predicted phe-val-phe carboxy-terminus is identical to that from cDNA sequences of wheat, Oenothera, and petunia. Partial editing of transcripts was detected in each sorghum line.
ISSN:0172-8083
1432-0983
DOI:10.1007/bf00334776