Comparative Transcriptomics Reveal the Mechanisms Underlying the Glucosinolate Metabolic Response in Leaf Brassica juncea L. under Cold Stress

Glucosinolates (GSLs) are not only a unique flavor substance from leaf B. juncea but also major secondary metabolite produced in response to abiotic stresses. Cold stress is one of the most common stresses juncea; however, metabolic pattern GSLs under cold has yet been reported. In present study, we analyzed content and found that it increased subsequently decreased. According RNA-seq data, genes related synthesis aliphatic were significantly upregulated following 24 h stress; indole 48 BjBGLU25 BjBGLU27 upregulated. Further analysis correlation between transcription factors revealed MYB, ERF, IQD, bHLH may be involved regulating stress. particular, an unreported factor, BjMYBS3 (BjuVA05G33250), was play possible role GSLs. And external application ability cope with