ArticleMycotoxin research2022
LaeA regulates morphological development and ochratoxin A biosynthesis in Aspergillus niger.
Article in Mycotoxin research, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 11 citations in OpenAlex.
- FpLaeA Coordinates Fusarium proliferatum Pathogenesis by Orchestrating Mycotoxin Biosynthesis and Host Immune Subversion.Journal of agricultural and food chemistry · 2026Article
- Effects of stilbenoids on growth, mycotoxin production and transcriptomic profiles of Aspergillus carbonarius causing postharvest black spot disease.World journal of microbiology & biotechnology · 2026Article
- The global regulator LaeA controls expression of genes involved in diverse primary and secondary metabolites biosynthesis and their secretion in fungi.Frontiers in microbiology · 2026Review
- Synthesis and antimicrobial evaluation of a new hybrid bis-cyanoacrylamide-based-piperazine containing sulphamethoxazole moiety against rheumatoid arthritis-associated pathogens.Naunyn-Schmiedeberg's archives of pharmacology · 2025Article
- The Global Secondary Metabolite RegulatorToxins · 2024Article
- Involvement of LaeA and Velvet Proteins in Regulating the Production of Mycotoxins and Other Fungal Secondary Metabolites.Journal of fungi (Basel, Switzerland) · 2024Review
- Article
- Molecular regulation of fungal secondary metabolism.World journal of microbiology & biotechnology · 2023Review
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Authors and funding
9 authors at 1 institution in 1 country.
Funding
Abstract
The global regulator LaeA and its orthologs govern the morphogenetic development and secondary metabolism of several filamentous ascomycetes. In Aspergillus niger, it has been shown that an LaeA ortholog (AnLaeA) regulates the production of citric acid and secondary metabolites. In this work, we constructed AnlaeA disruption and overexpression strains to investigate the roles of AnLaeA in morphological development and ochratoxin A (OTA) biosynthesis in A. niger. Phenotypic observation, chemical analysis, and gene expression analysis indicated that AnLaeA acts as a negative regulator of conidial morphogenesis and positively regulates gene expression of the OTA cluster in A. niger grown in CYA medium. However, it was observed that the upregulation of gene expression of the OTA cluster does not necessarily increase OTA production. Our results contribute to a better understanding of the AnlaeA regulatory mechanism and suggest the AnlaeA gene as a potential target for developing control strategies for A. niger infection and OTA biosynthesis.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.