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. 1994 Oct;26(1):481-6.
doi: 10.1007/BF00039558.

Regulation of phytochrome A mRNA abundance in parsley seedlings and cell-suspension cultures

C Poppe  1 , B Ehmann, H Frohnmeyer, M Furuya, E Schäfer
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Regulation of phytochrome A mRNA abundance in parsley seedlings and cell-suspension cultures

C Poppe et al. Plant Mol Biol. 1994 Oct.

Abstract

A cDNA clone encoding the apoprotein of a parsley phytochrome was isolated and classified as parsley PHYA phytochrome, on the basis of a sequence homology comparison with all available phytochrome sequences. Red light pulses led to a phytochrome-dependent down-regulation of PHYA mRNA abundance in etiolated parsley seedlings to a level of 10-20% compared with the dark control. The PHYA mRNA abundance in a parsley cell suspension culture was also down-regulated by light pulses. Transient expression assays in parsley protoplasts showed light regulation of a chimeric pea PHYA promoter uidA-gene construct.

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