Evidence for maternal inheritance of the chloroplast genome in cultivated carrot (Daucus carota L. ssp. sativus)

The incidence and inheritance of a chloroplast DNA (cpDNA) mutation/marker, BP10U, was studied in crosses among cultivated carrots (Daucus carota ssp. sativus). BP10U is about 400 bp larger than the more common BP10L allele. The occurrence of BP10U among carrot inbreds was widespread. Individual pla...

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Bibliographic Details
Published in:Theoretical and applied genetics 1999-04, Vol.98 (5), p.669-672
Main Authors: Vivek, B.S, Ngo, Q.A, Simon, P.W
Format: Article
Language:English
Subjects:
Biological and medical sciences
Carrots
chloroplast DNA
Chloroplasts
Classical genetics, quantitative genetics, hybrids
crossing
cytoplasmic inheritance
cytoplasmic male sterility
Daucus carota
Enzymes
Fundamental and applied biological sciences. Psychology
Genetic aspects
genetic markers
Genetics of eukaryotes. Biological and molecular evolution
Genomes
genomics
Heritability
Hybridization
male fertility
maternal effect
organelle mutations
phenotype
Plant genetics
Plastids
Pteridophyta, spermatophyta
restriction fragment length polymorphism
Vegetals
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Summary:The incidence and inheritance of a chloroplast DNA (cpDNA) mutation/marker, BP10U, was studied in crosses among cultivated carrots (Daucus carota ssp. sativus). BP10U is about 400 bp larger than the more common BP10L allele. The occurrence of BP10U among carrot inbreds was widespread. Individual plants exhibited only one form of BP10, and cpDNA inheritance was strictly maternal. BP10U only occurred in male-fertile plants. Some male-fertile inbreds and all cytoplasmically male-sterile (petaloid) carrots had the BP10L allele. Alloplasmic cpDNA variation has been reported previously in Duacus, but this is the first report of variation and inheritance of cpDNA within cultivated carrot.
ISSN:0040-5752
1432-2242
DOI:10.1007/s001220051119