Viviparous leaves produced by somatic activation of an inactive cytokinin-synthesizing gene

Tobacco plants that are somatic mosaics for expression of a cytokinin-synthesizing gene have viviparous leaves. Such a formation of shoots in an abnormal position represents a significant deviation from the usual organization of the plant body where a central axis produces shoots only in the axils o...

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Published inScience (American Association for the Advancement of Science) Vol. 254; no. 5036; pp. 1364 - 1367
Main Authors Estruch, J.J. (MPI fur Zuchtungsforschung, Koln, Germany), Prinsen, E, Onckelen, H. van, Schell, J, Spena, A
Format Journal Article
LanguageEnglish
Published United States American Society for the Advancement of Science 29.11.1991
American Association for the Advancement of Science
Subjects
Animal vivipary
CITOCININAS
CYTOKININE
Cytokinins
DNA
Epidermal cells
FEUILLE
GENE
GENES
Genetic aspects
HOJAS
Leaf buds
Leaves
NICOTIANA TABACUM
Plant cells
Plants
RNA
Tionontati
Transgenic plants
Viviparity
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Summary:Tobacco plants that are somatic mosaics for expression of a cytokinin-synthesizing gene have viviparous leaves. Such a formation of shoots in an abnormal position represents a significant deviation from the usual organization of the plant body where a central axis produces shoots only in the axils of lateral leaf appendages and according to a precise phyllotactic pattern. This report links vivipary to the expression of a gene whose product is involved in the synthesis of the phytohormone cytokinin
Bibliography:9157270
F30
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ISSN:0036-8075
1095-9203
DOI:10.1126/science.254.5036.1364