Photomorphogenic mutants of tomato
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Kluwer Academic Publishers
Abstract
Photomorphogenesis of tomato is being studied with the aid of mutants which are either modified in their photore-
ceptor composition or in their signal transduction chain(s)
. Several mutants affecting the phytochrome family of
photoreceptors, some of which appear deficient for specific genes encoding phytochrome apoproteins have been
isolated
. In addition, other mutants, including transgenic lines overexpressing phytochrome A, exhibit exaggerated
photomorphogenesis during de-etiolation
. Anthocyanin biosynthesis and plastid development are being used
as
model systems for the dissection of the complex interactions among photomorphogenic photoreceptors and to
elucidate the nature of their transduction chains
.
Description
Keywords
Lycopersicon esculentum, photomorphogenesis, phytochrome, signal transduction, chromophore, a urea
Citation
Euphytica vol. 79 (3), 1994, pp. 227-234.
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