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Analysis on DNA methylation of mosaic and moxa type leaves of Aconitum carmichaeli by MSAP / 中国中药杂志
Article in Chinese | WPRIM | ID: wpr-307114
Responsible library: WPRO
ABSTRACT
An MSAP analysis method was established for detecting DNA methylation of Aconitum carmichaeli leaves, and the DNA methylation of different leaf shapes and different leaf position was analyzed by MSAP. The study made experiments on the leaves of different position of mosaic and moxa leaf type A. carmichaeli, researched the effects of restriction digestion of genomic DNA by using two restriction enzymes, screened the suitable selective amplification primers, and analyzed the methylation differences of leaves by calculating the 6% acrylamide gel electrophoresis bands and lane. The best reaction system of MSAP was obtained, under the conditions of 37 ℃, the 16 h incubated time was more suitable for 150 ng DNA, and 25 pairs of selective amplification primers were selected from 256 pairs. Totally, 273 electrophoresis bands were obtained by 25 pairs of selective primers, including 228 non methylation or single chain methylation bands,27 double chain methylation bands,and 18 single stranded methylation bands, the total methylation rate was 16.48%. The methylation rate was slightly different in mosaic and moxa leaf type A. carmichaeli leaf, which were 15.36%, 14.34%, respectively, and article 8, article 6 nucleotide fragments of genome methylation modification differences were obtained, accounted for 3%, 2.26% of the total number of bands. Based on this study it can provide new ideas for molecular identification, breeding and cultivation, and genetic evolution of A. carmichaeli.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: China Journal of Chinese Materia Medica Year: 2016 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: China Journal of Chinese Materia Medica Year: 2016 Type: Article