Properties and nucleotide sequence of a mitochondrial plasmid from sunflower

The 1.413 circular supercoiled mitochondrial DNA plasmid P1 from a fertile sunflower line was sequenced, and a series of 160 bp tandemly repeated sequences was observed. The P1 plasmid was detected in both fertile and cytoplasmic male-sterile (CMS) lines, but in different quantities. Two other circu...

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Bibliographic Details
Published in:Current genetics 1989-04, Vol.15 (4), p.283-289
Main Authors: Crouzillat, D, Gentzbittel, L, La Canal, L. de, Vaury, C, Perrault, A, Nicolas, P, Ledoigt, G
Format: Article
Language:English
Subjects:
Base Sequence
Biological and medical sciences
Cloning, Molecular
cytoplasmic male sterility
DNA
DNA, Circular
DNA, Mitochondrial - metabolism
Female
Fertility
Fundamental and applied biological sciences. Psychology
Genes. Genome
Helianthus annuus
Male
mitochondria
Molecular and cellular biology
Molecular genetics
Molecular Sequence Data
Nucleic Acid Hybridization
nucleotide sequences
Plants - genetics
Plasmids
Repetitive Sequences, Nucleic Acid
Restriction Mapping
RNA - metabolism
Sequence Homology, Nucleic Acid
Transcription, Genetic
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Summary:The 1.413 circular supercoiled mitochondrial DNA plasmid P1 from a fertile sunflower line was sequenced, and a series of 160 bp tandemly repeated sequences was observed. The P1 plasmid was detected in both fertile and cytoplasmic male-sterile (CMS) lines, but in different quantities. Two other circular plasmids, P2 and P3, each 1.8 kbp in length, were shown to share common sequences with P1. The mitochondrial plasmid P1 detected homologous sequences in the nuclear DNA of sunflower, but not in chloroplast DNA nor in main band mitochondrial DNA. RNA molecules of about 680 and 550 nucleotides were detected that were complementary to mt plasmid P1.
ISSN:0172-8083
1432-0983
DOI:10.1007/BF00447044