Words similar to petunia
Example sentences for: petunia
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These searches, e.g. the search initiated with the core RDRP module from Petunia (residues 37-775), readily retrieved RDRPs from plants, C. elegans , Dictyostelium discoideum , several fungi, and Giardia lamblia with statistically highly significant expectation (E) values.
Paramutation has been studied extensively for four maize loci that encode transcriptional regulators of pigment biosynthesis [ 1 ] . Paramutation has also been investigated in the Arabidopsis PAI gene family, at the a1 and chalcone synthase (CHS) transgene loci in petunia, and in a number of other cases [ 2 3 4 ] . The Arabidopsis resistance gene BAL/CPR1 displays a related form of epigenetic instability [ 5 6 ] . Interactions resembling paramutation also occur among non-allelic transgene loci with DNA sequence homology.
The experimental strategy of monitoring heritable epialleles via their effect on visible cosuppression patterns has been pioneered in the chalcone synthase (CHS) family of petunia and Arabidopsis [ 4 10 30 ] . For comparison, CHS trans-silencing offers exquisite sensitivity, in part due to the cell autonomy of its pigmentation phenotype, whereas COP1 essentially yields a whole-plant phenotype.
As exemplified by the petunia cosuppression experiments, nonessential plant pigments provide conspicuous visual markers that vividly reveal gene silencing.
Petunia CHS also lends itself to detect somatic transitions in epialleles due to its indeterminate growth habit, whereas Arabidopsis COP1 is more suitable for monitoring early epigenetic activity in seedlings and rosette plants.
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