Words similar to non-allelic
Example sentences for: non-allelic
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Here, combining a master locus (C73) with a non-allelic singlet locus possessing 100% sequence identity (L91) resulted in immediate trans-silencing, as seen by a reduction of GFP-COP1 expression and block of cosuppression, which was stably maintained in the presence or absence of the master locus.
Likewise, Arabidopsis PAI2 and PAI3 genes that have been trans-methylated by the PAI1/PAI4 locus do not transfer their methylation status to naive singlet genes [ 12 ] . In fact, there are few well-documented cases for the non-allelic relay of trans-silencing ability [ 11 24 ] . Does this amount to an operational difference between allelic (paramutation) and non-allelic (trans-silencing) interactions, or does it simply reflect a lack of data?
In contrast, in the PAI gene family, combining the master locus (WS ecotype PAI1/PAI4 ) with a non-allelic singlet target locus possessing 100% sequence identity (Columbia PAI2 ) resulted in methylation after two generations of heterozygous contact, and methylation became more pronounced after another two generations [ 12 ] . Likewise, in the petunia CHS gene family, interaction between an epiallele of the direct-repeat locus, CHS41, with two types of target loci, either an unlinked inverted repeat locus or a more naïve allele of CHS41, was initially additive and only became suppressive in the second generation [ 4 10 ] .
For example, an inverted repeat allele of the tryptophan biosynthetic gene PAI resident in the WS ecotype of Arabidopsis silences homologous PAI alleles, as well as unlinked PAI genes, from the Columbia ecotype [ 2 ] . Likewise, complex synthetic transgenes composed of PAI inverted repeats were able to trans-methylate homologous, yet non-allelic, target loci [ 12 ] . Similar events have been observed in other species [e.g.
In contrast, to our knowledge, no trans-silenced transgene has been shown to acquire heritable trans-silencing ability suggesting that perhaps trans-silencing ability is more difficult to relay between non-allelic transgenes than between allelic loci.
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