Words similar to singlet

Example sentences for: singlet

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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.
It is informative to compare the epigenetic interactions of the 35S:GFP-COP1 transgenes with those of the PAI (trans)genes, the only other well-characterized system in Arabidopsis [ 12 ] . Both gene sets consist of relatively simple repeat structures and singlet loci, which reside in essentially single-copy environments of Arabidopsis ( [ 27 ] and unpublished observations).
In contrast, a trans-methylated singlet PAI2 gene did not trans-methylate a naive allelic PAI2 gene within three generations [ 12 ] . Additional experimentation may eventually provide an answer to the question of what controls the efficiency of such epigenetic interactions.
Photoinactivation of viruses by diamagnetic porphyrins and phthalocyanines has been widely studied [ 13 14 15 16 17 18 19 20 ] . Photoactivation involves absorption of light by the tetrapyrrole with resulting production of free radicals and singlet oxygen.
Only diamagnetic tetrapyrroles are able to inhibit viruses via photoinactivation; the excited states of the paramagnetic derivatives have short half-lives and do not give significant amounts of free radicals or singlet oxygen.