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. 1982;1(6):675-80.
doi: 10.1002/j.1460-2075.1982.tb01229.x.

Two yeast acid phosphatase structural genes are the result of a tandem duplication and show different degrees of homology in their promoter and coding sequences

B Meyhack, W Bajwa, H Rudolph, A Hinnen

Two yeast acid phosphatase structural genes are the result of a tandem duplication and show different degrees of homology in their promoter and coding sequences

B Meyhack et al. EMBO J. 1982.

Abstract

We have cloned the structural genes for a regulated ( PHO5 ) and a constitutive ( PHO3 ) acid phosphatase from yeast by transformation and complementation of a yeast pho3 , pho5 double mutant. Both genes are located on a 5.1-kb BamHI fragment. The cloned genes were identified on the basis of genetic evidence and by hybrid selection of mRNA coupled with in vitro translation and immunoprecipitation. Subcloning of partial Sau3A digests and functional in vivo analysis by transformation together with DNA sequence analysis showed that the two genes are oriented in the order (5') PHO5 , PHO3 (3'). While the nucleotide sequences of the two coding regions are quite similar, the putative promoter regions show a lower degree of sequence homology. Partly divergent promoter sequences may explain the different regulation of the two genes.

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