Skip to main content
Applied and Environmental Microbiology logoLink to Applied and Environmental Microbiology
. 1987 Jun;53(6):1385–1386. doi: 10.1128/aem.53.6.1385-1386.1987

Construction of Streptococcus lactis subsp. lactis Strains with a Single Plasmid Associated with Mucoid Phenotype

Atte von Wright 1,*, Soile Tynkkynen 1
PMCID: PMC203875  PMID: 16347368

Abstract

Lactose-fermenting mucoid (Lac+ Muc+) variants of plasmid-free Streptococcus lactis subsp. lactis MG1614 were obtained by protoplast transformation with total plasmid DNA from Muc+S. lactis subsp. cremoris ARH87. By using plasmid DNA from these variants for further transformations followed by novobiocininduced plasmid curing, Lac Muc+ MG1614 strains containing only a single 30-megadalton plasmid could be constructed. This plasmid, designated pVS5, appeared to be associated with the Muc+ phenotype.

Full text

PDF
1385

Images in this article

Selected References

These references are in PubMed. This may not be the complete list of references from this article.

  1. Anderson D. G., McKay L. L. Simple and rapid method for isolating large plasmid DNA from lactic streptococci. Appl Environ Microbiol. 1983 Sep;46(3):549–552. doi: 10.1128/aem.46.3.549-552.1983. [DOI] [PMC free article] [PubMed] [Google Scholar]
  2. Behnke D., Gilmore M. S. Location of antibiotic resistance determinants, copy control, and replication functions on the double-selective streptococcal cloning vector pGB301. Mol Gen Genet. 1981;184(1):115–120. doi: 10.1007/BF00271206. [DOI] [PubMed] [Google Scholar]
  3. Gasson M. J. Plasmid complements of Streptococcus lactis NCDO 712 and other lactic streptococci after protoplast-induced curing. J Bacteriol. 1983 Apr;154(1):1–9. doi: 10.1128/jb.154.1.1-9.1983. [DOI] [PMC free article] [PubMed] [Google Scholar]
  4. Graham D. C., McKay L. L. Plasmid DNA in Strains of Pediococcus cerevisiae and Pediococcus pentosaceus. Appl Environ Microbiol. 1985 Aug;50(2):532–534. doi: 10.1128/aem.50.2.532-534.1985. [DOI] [PMC free article] [PubMed] [Google Scholar]
  5. Horinouchi S., Weisblum B. Nucleotide sequence and functional map of pE194, a plasmid that specifies inducible resistance to macrolide, lincosamide, and streptogramin type B antibodies. J Bacteriol. 1982 May;150(2):804–814. doi: 10.1128/jb.150.2.804-814.1982. [DOI] [PMC free article] [PubMed] [Google Scholar]
  6. Terzaghi B. E., Sandine W. E. Improved medium for lactic streptococci and their bacteriophages. Appl Microbiol. 1975 Jun;29(6):807–813. doi: 10.1128/am.29.6.807-813.1975. [DOI] [PMC free article] [PubMed] [Google Scholar]
  7. Vedamuthu E. R., Neville J. M. Involvement of a Plasmid in Production of Ropiness (Mucoidness) in Milk Cultures by Streptococcus cremoris MS. Appl Environ Microbiol. 1986 Apr;51(4):677–682. doi: 10.1128/aem.51.4.677-682.1986. [DOI] [PMC free article] [PubMed] [Google Scholar]
  8. von Wright A., Taimisto A. M., Sivelä S. Effect of Ca2+ ions on plasmid transformation of Streptococcus lactis protoplasts. Appl Environ Microbiol. 1985 Oct;50(4):1100–1102. doi: 10.1128/aem.50.4.1100-1102.1985. [DOI] [PMC free article] [PubMed] [Google Scholar]

Articles from Applied and Environmental Microbiology are provided here courtesy of American Society for Microbiology (ASM)

RESOURCES