Improved Medium for Detection of Citrate-Fermenting Streptococcus lactis subsp. diacetylactis
نویسندگان
چکیده
منابع مشابه
Draft Genome Sequence of Lactococcus lactis subsp. lactis bv. diacetylactis CRL264, a Citrate-Fermenting Strain
We report the draft genome sequence of Lactococcus lactis subsp. lactis bv. diacetylactis CRL264, a natural strain isolated from artisanal cheese from northwest Argentina. L. lactis subsp. lactis bv. diacetylactis is one of the most important microorganisms used as starter culture around the world. The CRL264 strain constitutes a model microorganism in the studies on the generation of aroma com...
متن کاملGenome Sequence of Lactococcus lactis subsp. lactis bv. diacetylactis LD61
Lactococcus lactis is widely used in the dairy industry. We report the draft genome sequence of L. lactis subsp. lactis bv. diacetylactis LD61, an industrial and extensively studied strain. In contrast to the closely related and plasmidless strain IL1403, LD61 contains 6 plasmids, and the genome sequence provides additional information related to adaptation to the dairy environment.
متن کاملMolecular analyses of the lactococcin A gene cluster from Lactococcus lactis subsp. lactis biovar diacetylactis WM4.
The genes responsible for bacteriocin production and immunity in Lactococcus lactis subsp. lactis biovar diacetylactis WM4 were localized and characterized by DNA restriction fragment deletion, subcloning, and nucleotide sequence analysis. The nucleotide sequence of a 5.6-kb AvaII restriction fragment revealed a cluster with five complete open reading frames (ORFs) in the same orientation. DNA ...
متن کاملCitrate, low pH and amino acid limitation induce citrate utilization in Lactococcus lactis biovar diacetylactis
In Lactococcus lactis subsp. lactis biovar diacetylactis, citrate transport is facilitated by the plasmid-encoded citrate permease (CitP). In this work, we analysed regulation of citrate utilization by pH, nutrient limitation and the presence of citrate at four different levels: (i) plasmid copy number, (ii) citP transcription, (iii) citP mRNA processing and (iv) citrate utilization capacity. C...
متن کاملConjugative 40-megadalton plasmid in Streptococcus lactis subsp. diacetylactis DRC3 is associated with resistance to nisin and bacteriophage.
Streptococcus lactis subsp. diacetylactis DRC3 was examined for plasmid DNA and found to contain a previously unreported plasmid of 40 X 10(6) daltons. This plasmid, designated pNP40, was conjugally transferred to a plasmid-cured derivative of S. lactis C2. Transconjugants containing pNP40 acquired resistance to nisin produced by strains of S. lactis and to commercially available nisin when ass...
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ژورنال
عنوان ژورنال: Applied and Environmental Microbiology
سال: 1980
ISSN: 0099-2240,1098-5336
DOI: 10.1128/aem.39.4.926-927.1980