SGD Paper 
Bon EP, et al. (1997) Asparaginase II of Saccharomyces cerevisiae. GLN3/URE2 regulation of a periplasmic enzyme. Appl Biochem Biotechnol 63-65():203-12
Abstract: The production of some extracellular enzymes is known to be negatively affected by readily metabolized nitrogen sources such as NH4+ although there is no consensus regarding the involved mechanisms. Asparaginase II is a periplasmic enzyme of Saccharomyces cerevisiae encoded by the ASP3 gene. The enzyme activity is not found in cells grown in either ammonia, glutamine, or glutamate, but it is found in cells that have been subjected to nitrogen starvation or have been grown on a poor source of nitrogen such as proline. In this report it is shown that the formation of this enzyme is dependent upon the functional GLN3 gene and that the response to nitrogen availability is under the control of the URE2 gene product. In this respect the expression of ASP3 is similar to the system that regulates the GLN1, GDH2, GAP1, and PUT4 genes that codes for glutamine synthetase, NAD-linked glutamate dehydrogenase, general amino-acid permease, and high affinity proline permease, respectively.
| Status: Published | Type: Journal Article | PubMed ID: 9170245 |
Topics addressed in this paper
Number of different genes curated to this paper: 10
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