Integrative transcriptome and chlorophyll fluorescence test analysis shed new light on the leaf senescence mechanism of zoysia japonica

HIGHLIGHTS

SUMMARY

    ORE1 could promote the transcription of a significant ethylene biosynthesis gene, ACS2, and the forward regulation of ethylene (ET) biosynthesis and signal_transduction. Hotspots for plant senescence are genes involved in plant hormone biosynthesis and signal_transduction. EIN3, a crucial positive regulator in ET signal_transduction, could induce the expression of ORE1 to regulate senescence. The pathway of plant hormone signal_transduction (111 genes) was highly enriched and strongly linked with senescence. IAA, ET, and ABA pathways were identified, including their biosynthesis and related signal_transduction. The upregulated of PYR/PYL, PP2C, SnRK2, and ABF activated the ABA signal_transduction . . .

     

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