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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Poppe, C., Ehmann, B., Frohnmeyer, H. et al. Regulation of phytochrome A mRNA abundance in parsley seedlings and cell-suspension cultures. Plant Mol Biol 26, 481–486 (1994). https://doi.org/10.1007/BF00039558
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DOI: https://doi.org/10.1007/BF00039558