Inheritance of chloroplast and mitochondrial DNA in Picea and composition of hybrids from introgression zones

The cloning of white spruce (Picea glauca) mitochondrial DNA homologous to the cytochrome oxidase II and ATPaseα genes of maize is described. These probes were used to define restriction fragment length polymorphisms which distinguish the white, Engelmann (P. engelmannii) and Sitka spruce (P. sitche...

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Bibliographic Details
Published in:Theoretical and applied genetics 1991-08, Vol.82 (2), p.242-248
Main Authors: Sutton, B.C.S. (Vancouver, B.C. (Canada). British Columbia Research Corporation. Forest Biotechnology Center), Flanagan, D.J, Gawley, J.R, Newton, C.H, Lester, D.T, El-Kassaby, Y.A
Format: Article
Language:English
Subjects:
ADN
Biological and medical sciences
CHLOROPLASTE
CHLOROPLASTS
Classical genetics, quantitative genetics, hybrids
CLOROPLASTO
DNA
ENZIMA DE RESTRICCION
ENZYME DE RESTRICTION
Fundamental and applied biological sciences. Psychology
GENETIC POLYMORPHISM
Genetics of eukaryotes. Biological and molecular evolution
HIBRIDOS
HYBRIDE
HYBRIDS
MITOCHONDRIA
MITOCHONDRIE
MITOCONDRIA
NUCLEOTIDE SEQUENCE
PICEA
POLIMORFISMO GENETICO
POLYMORPHISME GENETIQUE
Pteridophyta, spermatophyta
RESTRICTION ENZYMES
SECUENCIA NUCLEICA
SEQUENCE NUCLEIQUE
Vegetals
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Summary:The cloning of white spruce (Picea glauca) mitochondrial DNA homologous to the cytochrome oxidase II and ATPaseα genes of maize is described. These probes were used to define restriction fragment length polymorphisms which distinguish the white, Engelmann (P. engelmannii) and Sitka spruce (P. sitchensis) populations that occur in British Columbia. Analysis of progeny from crosses between the species revealed that mitochondrial DNA was maternally inherited in all cases (32 progeny from five independent crosses). The inheritance of chloroplast DNA was determined using a probe described previously; in this case, all progeny exhibited paternal inheritance (27 progeny from four crosses). Mitochondrial and chloroplast probes were used to test trees from zones of introgression between coastal (Sitka) and interior spruces (white and Engelmann). In most cases mitochondria and chloroplasts within individuals were contributed by different species. The data shows that there is a significant Sitka spruce component in trees east of the coastal watershed in British Columbia.
ISSN:0040-5752
1432-2242
DOI:10.1007/bf00226220