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Plant senescence is the process of aging in plants. Plants have both stress-induced and age-related developmental aging. Chlorophyll degradation during leaf senescence reveals the carotenoids, and is the cause of autumn leaf color in deciduous trees. Leaf senescence has the important function of recycling nutrients, mostly nitrogen, to growing and storage organs of the plant. Unlike animals, plants continually form new organs and older organs undergo a highly regulated senescence program to maximize nutrient export.
Transcription factor gene BrRAV8 for delaying senescence of flowering cabbage leaves and application of transcription factor gene BrRAV8
The invention provides a BrRAV8 gene for delaying flowering cabbage leaf senescence and application of the BrRAV8 gene. A nucleotide sequence of the BrRAV8 gene is shown as SEQ ID NO.1, or has a nucleotide sequence complementary with the sequence shown as SEQ ID NO.1, or has 75% or more homology with the nucleotide sequence shown as SEQ ID NO.1, and the BrRAV8 gene can also be coded to participate in plant senescence regulation and control, and can be applied to plant senescence regulation and control. The invention particularly relates to a DNA molecule for inhibiting leaf senescence protein. The gene BrRAV8 can participate in the senescence regulation and control process, the senescence of leaves of the flowering cabbage is inhibited, and the shelf life of the harvested flowering cabbage is prolonged.
Owner:SOUTH CHINA AGRICULTURAL UNIVERSITY