| Literature DB >> 12695849 |
Sandor S Snoeijers1, Alejandro Pérez-García, Theo Goosen, Pierre J G M De Wit.
Abstract
The promoter of avirulence gene Avr9 of the fungal tomato pathogen Cladosporium fulvum contains 12 sequences within a region of 0.6 kb that are reminiscent of the binding sequences of the GATA-type regulator involved in nitrogen utilisation of the filamentous fungi Aspergillus nidulans and Neurospora crassa. Mutational analysis of this 0.6-kb promoter region, fused to the beta-glucuronidase reporter gene, revealed that two regions, each containing two TAGATA boxes in inverted orientation and overlapping by two base pairs, are important for induction of Avr9 promoter activity in A. nidulans. Each overlapping TAGATA box differentially affected Avr9 promoter activity when shifted apart by nucleotide insertions. The other regions, which do not contain two overlapping TAGATA boxes have no, or only a limited, contribution to the inducibility of promoter activity.Entities:
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Year: 2003 PMID: 12695849 DOI: 10.1007/s00294-003-0374-7
Source DB: PubMed Journal: Curr Genet ISSN: 0172-8083 Impact factor: 3.886