生物专业英语 求翻译
Inallaspectsofbiotechnologymajoreffortsaredirectedtoscreeningprogrammestogeneratenewo...
In all aspects of biotechnology major efforts are directed to screening programmes to generate new organisms ,either from some natural source or from established cultures by way of mutation or by hybridization programmes ,including genetic engineering .These organisms must be screened for useful oroducts and guown up on a large enough scale to produce and extract the desired product ang then to subject the product to criticai evaluationa. Screening can be defined as the use of highly selective procedures to allow the detection and isolation of only those microorganisms or metabolites of inthrest from a large population .The further advancementof an isolatewill involve improvement and preservation of the culture .However,a major hindrance to the full exploitation of this capacity is the availability of suitable screening procedures which can identify the necessary product especially in the presence of culrure medium constituents.
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生物技术的主要旨在通过筛选得到新的生物体,或者从自然物质中,或者通过培养获取变异,或者通过杂交(包括基因工程技术)。
这些生物体必须首先经过筛选,以便确定是否有有用的产品;并能大批量的生长;而且能从中提取出想要的产品;最后这些产品还需要能通过检验。
筛选过程可以被定义为使用高度选择性的步骤从大种群里面检测和分离想要的生物体或者代谢物。
进一步的分离还可以保存以获得的培养种以及提高其质量。
但是,一个主要的困难是找不到一个很适当的筛选方法能确认想要的产品,尤其是存在培养基成分的情况下
这些生物体必须首先经过筛选,以便确定是否有有用的产品;并能大批量的生长;而且能从中提取出想要的产品;最后这些产品还需要能通过检验。
筛选过程可以被定义为使用高度选择性的步骤从大种群里面检测和分离想要的生物体或者代谢物。
进一步的分离还可以保存以获得的培养种以及提高其质量。
但是,一个主要的困难是找不到一个很适当的筛选方法能确认想要的产品,尤其是存在培养基成分的情况下
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