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Natural competence for exogenous DNA uptake in yeast : Do we know enough? (CROSBI ID 609621)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Mitrikeski, Petar Tomev Natural competence for exogenous DNA uptake in yeast : Do we know enough? // 2nd International Conference and Exhibition on Food Technology, Bioprocess & Cell Culture : Accepted Abstracts. Kansas City (MI): OMICS Publishing Group, 2013. str. 143-143

Podaci o odgovornosti

Mitrikeski, Petar Tomev

engleski

Natural competence for exogenous DNA uptake in yeast : Do we know enough?

The yeast cell is naturally competent for exogenous DNA uptake under laboratory conditions resembling its natural environment(s). However, although the natural transformability seems crucial for maintaining genetic variability in prokaryotes, the obvious lack of genetically determined mechanism(s) of natural competence in yeast renders its evolutionary impact in lower eukaryotes elusive since they rely on meiosis. Nevertheless, genomic insights showing evidence of horizontal gene transfer significantly support its evolutionary role in eukaryotes. Moreover, vehicles plausibly contributing to spontaneous yeast competence appeared to be comprehensive. Thus transforming exogenous DNA could be passed into yeast cell by the aid of either biological mediation or environmental induction. For instance, wild yeast might be transformed through conjugation by cell-to-cell contact mediated either by Escherichia coli or Agrobacterium tumefaciens. Moreover, natural competence can be enhanced by mechanical and physiological mechanisms. On the other hand, such natural yeast competence dramatically improved under the human assistance has turned into a powerful technology of paramount application for both basic and applied research. During this endeavor we have managed to scrutinize many parameters that affect yeast competence (both genetic and non-genetic). Many genes and/or entire cell processes responsible for the phenomenon were abstracted. Acquired knowledge allows us to propose a conclusion that yeast competence is controlled by both its genome and the surrounding environment either natural or artificial. Therefore, spontaneous yeast competence here is defined as a complex (quantitative) genetic trait that bears the power to vary over real time and thus allows yeast to better adopt over evolutionary time.

yeast; spontaneous competence; mechanisms

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Podaci o prilogu

143-143.

2013.

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objavljeno

Podaci o matičnoj publikaciji

2nd International Conference and Exhibition on Food Technology, Bioprocess & Cell Culture : Accepted Abstracts

Kansas City (MI): OMICS Publishing Group

Podaci o skupu

International Conference and Exhibition on Food Technology, Bioprocess & Cell Culture (2 ; 2013)

pozvano predavanje

28.10.2013-30.10.2013

Kansas City (MO), Sjedinjene Američke Države

Povezanost rada

Biologija