Virus induced PhFTRv gene silencing results in yellow-green leaves and reduced cold tolerance in petunia

Virus induced PhFTRv gene silencing results in yellow-green leaves and reduced cold tolerance in petunia

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Ferredoxin-thioredoxin reductase (FTR) is an Epsom Salts iron-sulfur protein that supplies electrons from photochemically reduced ferredoxin (Fd) to thioredoxin (Trx) in the ferredoxin/thioredoxin system in chloroplasts.The FTR is a heterodimer with a variable subunit (FTRv) and a catalytic subunit (FTRc).The function of FTRv is not well known.In petunia (Petunia hybrida), FTRv is a single-copy gene, which is named PhFTRv.

In this study, the spatio-temporal expression of PhFTRv in petunia was analyzed, and Leather Golf Bag Tag PhFTRv transcription was found to be high in leaves and stems.A tobacco rattle virus gene silencing was used in this study.Virus induced gene silencing-mediated PhFTRv silencing resulted in large yellow-green leaves, delayed flowering, and reduced cold tolerance in petunia plants.