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Gene Review

ATO2  -  putative ammonium permease ATO2

Saccharomyces cerevisiae S288c

Synonyms: Ammonia transport outward protein 2, FUN34, N2029, YNR002C
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High impact information on ATO2

  • We present evidence that the three membrane proteins Ato1p, Ato2p, and Ato3p, members of the YaaH family, are involved in ammonia production in Saccharomyces cerevisiae colonies [1].
  • The ensuing evolution of the duplicated regions retained strict sequence identity for the two tDNAs pairs, but was partially divergent for CIT1 and FUN34, and generated a probable pseudogenic equivalent of DOM34 on chromosome III [2].


  1. Ammonia pulses and metabolic oscillations guide yeast colony development. Palková, Z., Devaux, F., Icicová, M., Mináriková, L., Le Crom, S., Jacq, C. Mol. Biol. Cell (2002) [Pubmed]
  2. Two yeast chromosomes are related by a fossil duplication of their centromeric regions. Lalo, D., Stettler, S., Mariotte, S., Slonimski, P.P., Thuriaux, P. C. R. Acad. Sci. III, Sci. Vie (1993) [Pubmed]
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