说明：双击或选中下面任意单词，将显示该词的音标、读音、翻译等；选中中文或多个词，将显示翻译。 1)DNA extraction precipitation method The method of DNA effective and quick means for DNA extraction of Taxol producing fungi; DNA in six related species in Sorghum was isolated by using four methods including CTAB, SDS, CTAB-SDS and TaKaRa DNA extraction kit for GMO Detection. 1 高粱属(Sorghum)DNA提取方法的研究 采用CTAB法、SDS法、CTAB-SDS法及TaKaRa法等4种方法提取高粱属6个近似种(假高梁、黑高粱、丝克高粱、拟高粱、苏丹草和明福1号)种子的DNA,并对不同提取方法所获取的DNA的纯度、质量浓度及DNA提取率研究分析比较,建立微量提取高粱属DNA方法——CTAB-SDS法。 The leaves of ornamental Bromelia plants were coriaceous and rich in fibre and secondary metabolism compounds,which lead the DNA extraction unefficient and low quality,and influence the following enzyme digestion and PCR amplification. 针对观赏凤梨多个属的植物,通过多种不同因素包括提取液、提取部位、研磨方法、沉淀时间等的对比,对观赏凤梨的基因组DNA提取方法进行研究,成功地掌握了高效的凤梨叶片DNA提取方法,为凤梨后期分子标记等基因组研究打下一定的基础。 DNA Extraction Method Research for DNA Bar Code Analysis of Chinese Medicinal Materials A new DNA extraction method-improved CTAB method was found which could extracted high-quality and high-purity DNA from ripe leaves of pears. 摸索出一种新的DNA提取方法——CTAB改良法,从梨成熟叶片中提取到高质量、高纯度的DNA。 Three different direct and one indirect DNA extraction methods through 7 microbial mat samples from Shizitou hot spring environment and the DNA test and determination of their purity,the calculation of the recovery of the extraction and DGCE analysis were compared. 通过对狮子头热泉7个环境菌席样品所提取的总DNA进行纯度检测、提取得率计算和DGGE分析,比较了3种直接和1种间接DNA提取方法。 补充资料：DNA分子花窗(沿B―DNA轴线方向看) DNA分子花窗(沿B―DNA轴线方向看)[图] 说明：补充资料仅用于学习参考，请勿用于其它任何用途。