Lactobacillus plantarum cells are rods with rounded ends. They are homofermentative, aerotolerant Gram-positive bacteria.
For Research Use Only. Not intended for use in food manufacturing or medical procedures (diagnostics or therapeutics). Do Not Use in Humans.
Product Information | |
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Product Overview | Lactobacillus plantarum cells are rods with rounded ends. They are homofermentative, aerotolerant Gram-positive bacteria. |
Target | Lactobacillus |
Genus | Lactobacillus |
Application | Study and research |
Type Strain | No |
Culture Medium | MRS |
Culture Conditions | 37°C; Facultative anaerobic |
Risk Group | 1 |
Product Format | Freeze-dried |
Packaging | Ampoule tube |
Storage | -80°C |
Shelf Life | 6 years |
Target Introduction | |
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Introduction | Lactobacillus species are normal flora of the human mouth, gastrointestinal tract, and female genital tract, where they produce lactic acid and competitively inhibit pathogenic organisms. Lactobacillus are small, slender, nonmotile, Gram-positive bacilli in chains. Immature colonies appear smooth, convex, and translucent. Some species of Lactobacillus used commonly as probiotics. They are most commonly used for diarrhea, including infectious diarrhea and diarrhea in people taking antibiotics. Some people also use lactobacillus for general digestion problems, irritable bowel syndrome; IBS, colic in infants, and many other conditions that involve the stomach and bowel. |
Alternative Names | Lactobacillus plantarum; 1.191 |
Lactobacillus plantarum is a Gram-positive, rod-shaped bacterium found in various environments such as fermented foods and the human gastrointestinal tract. It plays a significant role in producing lactic acid, contributing to gut health by inhibiting pathogenic bacteria through competitive exclusion and modulating immune responses.
This strain grows optimally in anaerobic conditions at 37°C in MRS (de Man, Rogosa, and Sharpe) broth or agar. Cultures must be handled in environments free from oxygen to maintain viability. Researchers often use it in studies focused on fermentation, immune modulation, and microbiome research.
Lactobacillus plantarum can be employed in antimicrobial assays by testing its inhibitory effects against various pathogens. Researchers typically grow it in competition assays where pathogens like Escherichia coli or Salmonella are exposed to the probiotic to observe inhibition zones, often using agar diffusion techniques.
To evaluate its probiotic potential, researchers perform assays such as adhesion tests to intestinal epithelial cells, survival in acidic and bile salt conditions, and fermentation tests. Additionally, its immunomodulatory properties are studied by co-culturing the bacterium with immune cells to measure cytokine production.
Researchers often use assays to measure the production of short-chain fatty acids (SCFAs), lactic acid, and other metabolic products during the growth of Lactobacillus plantarum. These metabolites are quantified using techniques like gas chromatography and high-performance liquid chromatography (HPLC).
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For Research Use Only. Not intended for use in food manufacturing or medical procedures (diagnostics or therapeutics). Do Not Use in Humans.
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