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Cyclopropane fatty acids in Lactococcus Lactis/ Dealing with industrial stress

Jungmann, J.M. (2009) Cyclopropane fatty acids in Lactococcus Lactis/ Dealing with industrial stress. Bachelor's Thesis, Biology.

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The cyclopropanation of the membrane fatty acids is an adaptation inherent to a large number of organisms allowing them to deal with numerous types of stress. The organisms capable of producing cyclopropane fatty acids are spread through two branches of the phylogenetic tree, the prokaryotes and the eukaryotes, leading to the conclusion that this feature must have been developed by the ancestral organism. In all these organisms the genetic regulation induces the CFA synthesis at the onset of the stationary phase, which is characterized by nutrient limitation. At this point unsaturated acids of the cis-conformation are modified into CFAs. In this paper it will also show that the CFA synthesis is not limited to the stress induced by starvation. Several other types of stress, which can be encountered by organisms will also be discussed, with emphasis put on the stress types encountered by Lactococcus Lactis during industrial usage of named bacterium. An answer will be sought to the question: To what extent do CFAs help the bacterium Lactococcus Lactis deal with the stress conditions it encounters during industrial production?

Item Type: Thesis (Bachelor's Thesis)
Degree programme: Biology
Thesis type: Bachelor's Thesis
Language: English
Date Deposited: 15 Feb 2018 07:29
Last Modified: 15 Feb 2018 07:29

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