Variability in six pea gene sequences and mapping through PCR-based markers

Pavy, Nathalie; Drouaud, Jan; Hoffman, Beate; Pelletier, Georges; Brunel, Dominique

doi:10.1051/agro:19980304

Cited by 1 publication

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“…4D), consistent with a previous report that the repression of Arabidopsis PHYA expression under R is mediated mainly by phyB (Cantó n and Quail, 1999). The fact that FUN1 and PHYA map to the same region of pea linkage group II (Weller, 1997;Pavy et al, 1998) and the existence of fun1 mutants that are deficient in both phyA protein (Weller et al, 1997a) and mRNA (Fig. 4D) strongly suggest that these two loci are in fact the same gene.…”

Section: The Af05 Phenotype Represents An Enhanced Response To Phyamentioning

confidence: 95%

A Dominant Mutation in the Pea PHYA Gene Confers Enhanced Responses to Light and Impairs the Light-Dependent Degradation of Phytochrome A

Weller

Batge²,

Smith³

et al. 2004

Plant Physiology

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Phytochrome A (phyA) is an important photoreceptor controlling many processes throughout the plant life cycle. It is unique within the phytochrome family for its ability to mediate photomorphogenic responses to continuous far-red light and for the strong photocontrol of its transcript level and protein stability. Here we describe a dominant mutant of garden pea (Pisum sativum) that displays dramatically enhanced responses to light, early photoperiod-independent flowering, and impaired photodestruction of phyA. The mutant carries a single base substitution in the PHYA gene that is genetically inseparable from the mutant phenotype. This substitution is predicted to direct the replacement of a conserved Ala in an N-terminal region of PHYA that is highly divergent between phyA and other phytochromes. This result identifies a region of the phyA photoreceptor molecule that may play an important role in its fate after photoconversion.

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Section: The Af05 Phenotype Represents An Enhanced Response To Phyamentioning

confidence: 95%

A Dominant Mutation in the Pea PHYA Gene Confers Enhanced Responses to Light and Impairs the Light-Dependent Degradation of Phytochrome A

Weller

Batge²,

Smith³

et al. 2004

Plant Physiology

View full text Add to dashboard Cite

show abstract

Variability in six pea gene sequences and mapping through PCR-based markers

Abstract: -Despite the rapid increase in sequence databases, gene sequences are still under-used in the plant breeding and genetic mapping area. This study was conducted to determine whether pea gene sequences contained enough polymorphism to be used as genetic markers. Molecular

Cited by 1 publication

References 16 publications

A Dominant Mutation in the Pea PHYA Gene Confers Enhanced Responses to Light and Impairs the Light-Dependent Degradation of Phytochrome A

A Dominant Mutation in the Pea PHYA Gene Confers Enhanced Responses to Light and Impairs the Light-Dependent Degradation of Phytochrome A

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