Genetic transfer in plants through interspecific protoplast fusion

Genetic transfer in plants through interspecific protoplast fusion

Protoplasts of sexually incompatible species have been fused and in some combinations have given rise to somatic hybrid plants. Partial elimination of parental chromosomes from either species is common in such hybrids, but total chromosome loss has generally occurred only with phylogenetically unrel...

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Bibliographic Details
Published in:Science (American Association for the Advancement of Science) Vol. 219; no. 4585; pp. 683 - 688
Main Authors: Shepard, J.F, Bidney, D, Barsby, T, Kemble, R
Format: Journal Article
Language:English
Published: United States The American Association for the Advancement of Science 11-02-1983
Subjects:
Cell lines
Chromosomes
Gels
gene transfer
Genomes
Hybridity
plant breeding
Plant cells
Plant genetics
Plants
Plastids
protoplast fusion
Protoplasts
reviews
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Summary:Protoplasts of sexually incompatible species have been fused and in some combinations have given rise to somatic hybrid plants. Partial elimination of parental chromosomes from either species is common in such hybrids, but total chromosome loss has generally occurred only with phylogenetically unrelated pairings. Genetic function of one parent may be retained despite a complete loss of its chromosomes, suggesting that genetic introgression is possible in the absence of complete donor chromosomes. A model interspecific combination for such studies is the potato-tomato somatic hybrid for which numerous phenotypes and karyotypes are encountered at the outset, with a broader range observed in the second somatic generation.
Bibliography:8258031
F30
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ISSN:0036-8075
1095-9203
DOI:10.1126/science.219.4585.683