ArticleApplied and environmental microbiology1998
The transcriptional activator XlnR regulates both xylanolytic and endoglucanase gene expression in Aspergillus niger.
Article in Applied and environmental microbiology, 1998. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 132 papers.
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132 citing papers in PubMed, 354 citations in OpenAlex.
- The carbohydrate utilization regulator Cbr1 coordinates nutrient-specific gene activation with selective carbon catabolite repression in a basidiomycete yeast.PLoS biology · 2026Article
- AmXlnR, a transcription factor involved in xylan degradation and pentose catabolism, enhances pullulan production from xylose inSynthetic and systems biotechnology · 2026Article
- Statical optimization of cellulase enzymes production by Trichoderma harzianum PP400831 using response surface methodology and their application in production of 2G bioethanol.Microbial cell factories · 2026Article
- Genome Sequencing and Comparative Genomics of the Hyper-Cellulolytic FungusJournal of fungi (Basel, Switzerland) · 2025Article
- Improvement of β-Xylosidase and Endoxylanase Activities in Talaromyces amestolkiae by Genetic Manipulation of the Transcriptional Activator XlnR.Microbial biotechnology · 2025Article
- Dissecting the complex regulation of pentose utilization inCurrent research in microbial sciences · 2025Article
- Divergent roles of ADP-ribosylation factor GTPase-activating proteins in lignocellulose utilization of Trichoderma guizhouense NJAU4742.Biotechnology for biofuels and bioproducts · 2024Article
- Transcriptome-wide analysis of a superior xylan degrading isolate Penicillium oxalicum 5-18 revealed active lignocellulosic degrading genes.Archives of microbiology · 2024Article
- Article
- The role of the Flb protein family in the life cycle of Aspergillus niger.Antonie van Leeuwenhoek · 2024Article
- Cellulase production under solid-state fermentation byHeliyon · 2024Article
- Insights into the efficient degradation mechanism of extracellular proteases mediated byFrontiers in microbiology · 2024Article
- The transcriptional factor Clr-5 is involved in cellulose degradation through regulation of amino acid metabolism in Neurospora crassa.BMC biotechnology · 2023Article
- Regulation of nutrient utilization in filamentous fungi.Applied microbiology and biotechnology · 2023Review
- Comparative Genomics and Transcriptomics Analyses Reveal Divergent Plant Biomass-Degrading Strategies in Fungi.Journal of fungi (Basel, Switzerland) · 2023Article
- Review
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- Identification of Three Novel Conidiogenesis-Related Genes in the Nematode-Trapping FungusPathogens (Basel, Switzerland) · 2022Article
- GalR, GalX and AraR co-regulate d-galactose and l-arabinose utilization in Aspergillus nidulans.Microbial biotechnology · 2022Article
- Unraveling the regulation of sugar beet pulp utilization in the industrially relevant fungusiScience · 2022Article
72 more citing papers are in PubMed but not listed here.
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5 authors.
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Abstract
The expression of genes encoding enzymes involved in xylan degradation and two endoglucanases involved in cellulose degradation was studied at the mRNA level in the filamentous fungus Aspergillus niger. A strain with a loss-of-function mutation in the xlnR gene encoding the transcriptional activator XlnR and a strain with multiple copies of this gene were investigated in order to define which genes are controlled by XlnR. The data presented in this paper show that the transcriptional activator XlnR regulates the transcription of the xlnB, xlnC, and xlnD genes encoding the main xylanolytic enzymes (endoxylanases B and C and beta-xylosidase, respectively). Also, the transcription of the genes encoding the accessory enzymes involved in xylan degradation, including alpha-glucuronidase A, acetylxylan esterase A, arabinoxylan arabinofuranohydrolase A, and feruloyl esterase A, was found to be controlled by XlnR. In addition, XlnR also activates transcription of two endoglucanase-encoding genes, eglA and eglB, indicating that transcriptional regulation by XlnR goes beyond the genes encoding xylanolytic enzymes and includes regulation of two endoglucanase-encoding genes.
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