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In “pinking” of onion, E-(+)-S-(1-propenyl)-l-cysteine sulfoxide is first cleaved by alliinase to yield colour developers (CDs), which react with amino acids, such as valine, to form pigment precursors (PPs). The PPs react with naturally occurring carbonyls (NOCs) to form pigments. By inducing a PP from previously isolated cepathiolanes and l-valine, it was confirmed that cepathiolanes constitute...
We have developed an efficient system of assessing the ability of a gene silencing cassette to silence transcripts from recalcitrant or poorly studied plant species by using a model plant as a host for the gene of interest. Tobacco plants transgenic for Lachrymatory Factor Synthase (LFS) enzyme activity from onion were first produced by introducing a CaMV 35S-onion-lfs gene construct. These plants...
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