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  • Title: Is an activator protein-2-like transcription factor involved in regulating gene expression during nitrogen limitation in fungi?
    Author: Dhawale SS.
    Journal: Appl Environ Microbiol; 1993 Jul; 59(7):2335-8. PubMed ID: 8357266.
    Abstract:
    The upstream sequences of all published lignin peroxidase and manganese peroxidase genomic clones from Phanerochaete chrysosporium were analyzed. This analysis revealed the presence of putative activator protein-2 (AP-2) recognition sequences in 11 of 15 lignin peroxidase genes. The lignin peroxidase clone GLG6 and the manganese peroxidase gene (mnp-1) have two copies of putative AP-2 sequence in the upstream region. Interestingly, the lignin peroxidase gene VLG4 of another white rot fungus, Trametes versicolor, and the nit-2 gene of Neurospora crassa also contain putative AP-2-binding sequences. Since all of these genes are regulated by nutrient nitrogen, I hypothesize that an AP-2-like transcription factor may be involved in inducing gene expression during nitrogen limitation in fungi.
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