Physiological study of Lactobacillus delbrueckii subsp. bulgaricus strains in a novel chemically defined medium
Article Abstract:
Researchers have developed a medium that can support the growth of Lactobacillus delbrueckii subsp. bulgaricus, other lactobacilli, and Streptococcus thermophilus. The medium is called milieu proche du lait (MPL) and 22 tested strains grew faster on lactose than on glucose, mannose, and fructose.
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 2000
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Transposition in Lactobacillus delbrueckii subsp. bulgaricus: identification of two thermosensitive replicons and two functional insertion sequences
Article Abstract:
Research describes two thermosensitive plasmids in Lactobacillus delbrueckii subsp. bulgaricus., rolling circle replicon pG(sup)+host and the theta replicon pIP501 that can be used to test the activity of endogenous and heterologous insertion sequences in L. bulgaricus. Results reveal insertion sequence 1223 and 1201 transpose in L. bulgaricus.
Publication Name: Microbiology
Subject: Biological sciences
ISSN: 1350-0872
Year: 2003
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Production of a heterologous nonheme catalase by Lactobacillus casei: An efficient tool for removal of H2O2 and protection of Lactobacillus bulgaricus from oxidative stress in milk
Article Abstract:
An investigation on the way a heterologous catalase could be used to protect Lactobacillus (L.) bulgaricus from the H2O2 it produces is presented. Manganese-dependent catalase is a cytoplasmic enzyme not secreted into the culture medium and therefore, L. casei should be considered as an important tool to remove H2O2 from the medium and protect L. bulgaricus by lowering its H2O2 exposure.
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 2006
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