AaWBC1 gene promoter as well as functional verification method and application thereof
A technology for functional verification and promoter, applied in application, genetic engineering, botanical equipment and methods, etc., can solve the problem that the promoter sequence of AaWBC1 gene has not yet been found.
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[0039] This embodiment relates to the acquisition of the AaWBC1 gene promoter, which specifically includes the following steps:
[0040] Step 1. Cultivate aseptic seedlings of Artemisia annua
[0041] Artemisia annua seeds were soaked in ethanol with a volume fraction of 75% for 1 min, then soaked in 20% (w / v) NaClO for 20 min, rinsed with sterile water for 3 to 4 times, blotted the surface moisture with sterile absorbent paper, and inoculated Cultivate on a hormone-free MS solid medium at 25°C under 16h / 8h (light / dark) light, and after 14 days, you can obtain an Artemisia annua sterile vaccine;
[0042] Step 2, according to the AaWBC1 gene promoter sequence in the whole genome of Artemisia annua, clone the promoter sequence;
[0043] 1. Genomic DNA extraction
[0044] Put a leaf of Artemisia annua (1cm 2About the size, take it in an ice box), add 2 steel balls. Add 300 μL TPS buffer (operate in a fume hood, TPS contains mercaptoethanol), shake at 55-60 Hz for 90 seconds. ...
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