| Description | Leuconostoc gelidum is a psychrotolerant, heterotrophic microbe that thrives in temperatures ranging from 2°C to 40°C, making it an ideal inhabitant of cold environments (Temperature preference category: Psychrotolerant). As a heterotroph, it requires a pre-formed energy source and cannot produce its own energy through photosynthesis or chemosynthesis (Metabolism and energy source: Heterotroph). Leuconostoc gelidum obtains energy by fermenting carbohydrates and producing lactate, ethanol, and carbon dioxide (Energy production). During staining, Leuconostoc gelidum exhibits a Gram-positive reaction, indicating the presence of a thick peptidoglycan layer in its cell wall (Gram stain). The microbe has a pleomorphic shape, with cells varying in size and shape, appearing as cocci, rods, or spirals (Shape). Leuconostoc gelidum is found in fermented foods and beverages, as well as in various environments, including soil, water, and the human gastrointestinal tract (All body sites in all possible species: Fermented foods, beverages, soil, water, human gastrointestinal tract). This microbe is an obligate anaerobe, meaning it requires a low-oxygen environment to survive and grow (Oxygen preference: Obligate Anaerobe). As a result, it is typically found in environments with limited oxygen availability, such as the human gut or fermented foods. Leuconostoc gelidum plays a significant role in the fermentation of foods, particularly in the production of sauerkraut, kimchi, and other fermented vegetables. Its ability to produce lactic acid and other compounds contributes to the characteristic flavors and textures of these fermented foods. Additionally, research on Leuconostoc gelidum has led to the development of novel biotechnological applications, such as the production of biofuels and biodegradable plastics. |
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