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  1. 2 Biotechnologia

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  1. 2 2009

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  1. 2 Krasowska M.

  2. 2 Sip A.

  3. 2 Wieckowicz M.

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1

Characterization of antilisterial class IIa bacteriocins produced by lactic acid bacteria

100%
Sip A., Wieckowicz M., Krasowska M.
Biotechnologia
|
2009
|
issue 3
111-128
EN
In the paper class IIa bacteriocins were described and the microorganisms capable of their synthesis were cited. Physicochemical properties and biological activity of class IIa bacteriocins were characterized in detail with attention paid to similarities in their structure. The mechanism of bactericidal action of that class of bacteriocins and genetic background of their biosynthesis were also elucidated.
2

Application of class IIa bacteriocins from lactic acid bacteria

100%
Sip A., Krasowska M., Wieckowicz M.
|
EN
In the paper issues related to the occurrence of human pathogenic bacteria Listeria monocytogenes were described. First, the properties of that microorganism were characterized and the threats relevant to its presence in food were emphasized. In the further sections of the paper the attention was paid to the need for evaluation of effective methods to inactivate Listeria and therefore the possibility of the practical use of class IIa bacteriocins from lactic acid bacteria. The role played by the class IIa bacteriocins of lactic acid bacteria in the protection of food products against Listeria and as a consequence in listeriosis prevention was detailed. Other practical application of biological activity revealed by this class of bacteriocins were also highlighted.
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