recombinant organism造句

To improve the ratio of recombinant to non-recombinant organisms, the cleaved vector may be treated with an enzyme ( alkaline phosphatase ) that dephosphorylates the vector ends.
For example, if the experimentalists wish to harvest a particular protein from the recombinant organism, then an expression vector is chosen that contains appropriate signals for transcription and translation in the desired host organism.
He was one of the co-discoverers of RNase P, a catalytic RNA, in the laboratory of Sidney Altman who shared the Nobel Prize in Chemistry with Thomas R . Cech in 1989 for their work on the catalytic properties of RNA . Other major accomplishment of Stark includes the discovery of enhancement of productivity of recombinant organisms engineered to express the " Vitreoscilla " hemoglobin ( VHb ( hemoglobin ) ), the first bacterial hemoglobin.
Typically, this is done by cleaving the vector DNA and foreign DNA with the same restriction enzyme, for example EcoRI . Most modern vectors contain a variety of convenient cleavage sites that are unique within the vector molecule ( so that the vector can only be cleaved at a single site ) and are located within a gene ( frequently beta-galactosidase ) whose inactivation can be used to distinguish recombinant from non-recombinant organisms at a later step in the process.
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