外源基因在质体中的表达调控受多种因素影响。
Regulation of foreign gene expression in plastids is influenced by various factors.
结果表明，外源基因转化球孢白僵菌原生质体时，可以以抗除草剂基因为转化筛选标记。
The results indicated that herbicide resistant gene should be used as a selection marker gene in protoplast genetic transformation of B. bassiana.
运用实验方法区别共质体和跨细胞途径很难，对质外体和细胞到细胞途径综合作用的水分运输也缺乏有效的研究手段加以区分。
Symplast pathway and transcelluar pathway is difficultly distinguished by Experiment methods, and have no valid ways to make distinction between apoplast and cell to cell pathway.
卟啉的平均分子结构简式衡量其取代基的组成，尤其对地质体中相同碳数的卟啉“ 混合物” 大环外取代基的构成十分有效。
The average condensed formula of molecular structure is effective to derive the composition of the peripheral substituents of porphyrins, especially geoporphyrins with identical carbon numbers.
SGM基质镜质体除了生成气态烃外，还可以生成一定数量的液态烃，而MYG均质镜质体则主要以生成气态烃为主。
SGM have the ability to generate liquid hydrocarbons beside gas hydrocarbon generation, but MYG vitrinite is mostly the gas-prone.
这些技术策略的应用及改进将提高转基因在质体中特异有效表达，实现外源蛋白在质体中高水平积累。
The application and improvement of these systems will greatly enhance the specific and effective expression of the transgenes, and achieve high-level accumulations of foreign proteins in plastids.
这种脂质体一DNA复合物可以吸附于靶细胞表面，通过脂质体膜与细胞膜融合而将外源DNA 导人 纲胞内。
Liposome can bring the exogenous DNA into target cells because it will fuse with the cellular membrane easily.
钙离子在果实和叶片中的运输和分配不仅通过质外体途径也通过共质体途径。
There are both apoplastic and symplastic pathways of Ca2+ transport in fruit or leaf tissue too.
钙离子在果实和叶片中的运输和分配不仅通过质外体途径也通过共质体途径。
There are both apoplastic and symplastic pathways of Ca2+ transport in fruit or leaf tissue too.
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