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© Research
Publication : Yeast (Chichester, England)

Functional analysis of yeast gene families involved in metabolism of vitamins B1 and B6

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Yeast (Chichester, England) - 01 Oct 2002

Rodríguez-Navarro S, Llorente B, Rodríguez-Manzaneque MT, Ramne A, Uber G, Marchesan D, Dujon B, Herrero E, Sunnerhagen P, Pérez-Ortín JE

Link to Pubmed [PMID] – 12271461

Yeast 2002 Oct;19(14):1261-76

In order to clarify their physiological functions, we have undertaken a characterization of the three-membered gene families SNZ1-3 and SNO1-3. In media lacking vitamin B(6), SNZ1 and SNO1 were both required for growth in certain conditions, but neither SNZ2, SNZ3, SNO2 nor SNO3 were required. Copies 2 and 3 of the gene products have, in spite of their extremely close sequence similarity, slightly different functions in the cell. We have also found that copies 2 and 3 are activated by the lack of thiamine and that the Snz proteins physically interact with the thiamine biosynthesis Thi5 protein family. Whereas copy 1 is required for conditions in which B(6) is essential for growth, copies 2 and 3 seem more related with B(1) biosynthesis during the exponential phase.

http://www.ncbi.nlm.nih.gov/pubmed/12271461