Lactobacillus delbrueckii subsp. bulgaricus | Wikipedia audio article
Channel: wikipedia tts
Date: 2018-12-10

This is an audio version of the Wikipedia Article:
Lactobacillus delbrueckii subsp. bulgaricus


00:01:39 1 Use in industry
00:03:04 2 History



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SUMMARY
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Lactobacillus delbrueckii subsp. bulgaricus (until 2014 known as Lactobacillus bulgaricus) is the main bacteria used for the production of yogurt. It is also found in other naturally fermented products.  First identified in 1905 by the Bulgarian doctor Stamen Grigorov, the bacterium feeds on lactose to produce lactic acid, which is used to preserve milk.
Lactobacillus delbrueckii subsp. bulgaricus can be found naturally in the gastrointestinal tract of mammals living in Bulgaria, but one specific strain, Lactobacillus bulgaricus GLB44, is extracted from the leaves of the Galanthus nivalis (snowdrop flower) in Bulgaria as well. The bacterium is also grown artificially in many other countries.
It is a gram-positive rod that may appear long and filamentous. It is non-motile and does not form spores. It is regarded as aciduric or acidophilic, since it requires a low pH (around 5.4–4.6) to grow effectively. The bacterium has complex nutritional requirements.
On October 18, 2012, during the International Conference on "Biodiversity Conservation and Education for Sustainable Development - Learning to Conserve Biodiversity in a Rapidly Changing World" held at Hyderabad during CoP-11, Jayanthi Natarajan, India's Minister of State for Environment and Forests, announced it as the National Microbe for India. The microbe was selected by children who had visited the Science Express Biodiversity Special, a train which has been visiting various stations across the country.