SEM of lactobacillus bulgaricus bacteria

SEM of lactobacillus bulgaricus bacteria

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Credit: MOREDUN ANIMAL HEALTH LTD/SCIENCE PHOTO LIBRARY

Caption: False-colour scanning electron micrograph of the bacteria Lactobacillus bulgaricus, taken from live yoghurt. They are rod-shaped, gram-positive bacteria. They grow in acid media and produce lactic acid from the fermentation of carbohydrates. Lactic acid produced by the fermentation of milk is responsible for the preservation and flavour of cheese, yoghurt and other fermented milk products. The bacteria are found in fermenting animal and plant products and in the alimentary tract and vagina of humans and other animals, where they serve a protective role against more dangerous bacteria. Magnification: x2,200 at 6x4.5cm size.

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Keywords: bacteria, bacterial, bacteriology, bacterium, lactic acid bacteria, lactobacillus, lactobacillus bulgaricus, micro-organisms, microbe, microbes, microbiology, scanning electron micrograph, sem, type, yoghurt

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