<B>ABSTRACT</B><P>Determination of the complete nucleotide sequence of a cryptic plasmid, pMBLT00, fromLeuconostoc mesenteroidessubsp.mesenteroidesKCTC13302 revealed that it contains 20,721 bp, a G+C content of 38.7%, and 18 open rea...
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https://www.riss.kr/link?id=A107671032
2013
-
SCOPUS,SCIE
학술저널
1428-1435(8쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<B>ABSTRACT</B><P>Determination of the complete nucleotide sequence of a cryptic plasmid, pMBLT00, fromLeuconostoc mesenteroidessubsp.mesenteroidesKCTC13302 revealed that it contains 20,721 bp, a G+C content of 38.7%, and 18 open rea...
<B>ABSTRACT</B><P>Determination of the complete nucleotide sequence of a cryptic plasmid, pMBLT00, fromLeuconostoc mesenteroidessubsp.mesenteroidesKCTC13302 revealed that it contains 20,721 bp, a G+C content of 38.7%, and 18 open reading frames. Comparative sequence and mung been nuclease analyses of pMBLT00 showed that pMBLT00 replicates via the theta replication mechanism. A new, stableEscherichia coli-Leuconostocshuttle vector, pMBLT02, which was constructed from a theta-replicating pMBLT00 replicon and an erythromycin resistance gene of pE194, was successfully introduced intoLeuconostoc,Lactococcus lactis, andPediococcus. This shuttle vector was used to engineerLeuconostoc citreum95 to overproduced-lactate. TheL. citreum95 strain engineered using plasmid pMBLT02, which overexpressesd-lactate dehydrogenase, exhibited enhanced production of optically pured-lactate (61 g/liter, which is 6 times greater than the amount produced by the control strain) when cultured in a reactor supplemented with 140 g/liter glucose. Therefore, the shuttle vector pMBLT02 can serve as a useful and stable plasmid vector for further development of ad-lactate overproduction system in otherLeuconostocstrains andLactococcus lactis.</P>