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Characterization of a cDNA from Beta maritima that confers nickel tolerance in yeast

 
: Bozdag, G.O.; Kaya, A.; Koc, A.; Noll, G.A.; Prüfer, D.; Karakaya, H.C.

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Gene 538 (2014), No.2, pp.251-257
ISSN: 0378-1119
English
Journal Article
Fraunhofer IME ()

Abstract
Nickel is an essential micronutrient due to its involvement in many enzymatic reactions as a cofactor. However, excess of this element is toxic to biological systems. Here, we constructed a cDNA library from Beta maritima and screened it in the yeast system to identify genes that confer resistance to toxic levels of nickel. A cDNA clone (NIC6), which encodes for a putative membrane protein with unknown function, was found to help yeast cells to tolerate toxic levels of nickel. A GFP fused form of Nic6 protein was localized to multivesicular structures in tobacco epidermal cells. Thus, our results suggest a possible role of Nic6 in nickel and intracellular ion homeostasis.

: http://publica.fraunhofer.de/documents/N-356177.html