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Comparative genomics of citric-acid-producing Aspergillus niger ATCC 1015 versus enzyme-producing CBS 513.88

ABSTRACT: Using transcriptomics, the strain-specific metabolism was mapped for two whole-genome sequenced strains of Aspergillus niger Keywords: Strain comparison

ORGANISM(S): Aspergillus niger Aspergillus nidulans Aspergillus oryzae

PROVIDER: GSE10983 | GEO | 2011/03/07

SECONDARY ACCESSION(S): PRJNA107185

REPOSITORIES: GEO

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Comparative genomics of citric-acid-producing Aspergillus niger ATCC 1015 versus enzyme-producing CBS 513.88

Project description:Using transcriptomics, the strain-specific metabolism was mapped for two whole-genome sequenced strains of Aspergillus niger Keywords: Strain comparison Two strains grown in controlled bioreactors, three biological replicates each.

2011-03-07 | E-GEOD-10983 | biostudies-arrayexpress

Comparative genomics of citric-acid-producing Aspergillus niger ATCC 1015 versus enzyme-producing CBS 513.88.

Project description: Not available

| S-EPMC3106321 | biostudies-literature

Expression data from batch cultivations of Aspergillus niger wild type and adrA, facB and creA deletion mutants

2011-01-31 | GSE19952 | GEO

Aspergillus niger mutants: induction by various carbon sources

Project description:This SuperSeries is composed of the following subset Series: GSE37758: Aspergillus niger : Control (fructose) vs. steam-exploded sugarcane induction (SEB) GSE37760: Aspergillus niger : Control (fructose) vs. xylose + arabinose (XA) Refer to individual Series

2012-05-06 | E-GEOD-37795 | biostudies-arrayexpress

Expression data from batch cultivations of Aspergillus niger wild type and adrA, facB and creA deletion mutants

Project description:Expression data from batch cultivations of Aspergillus niger wild type strain ATCC 1015 and adrA, facB and creA deletion mutants constructed on ATCC 1015 background strain with glucose or glycerol as carbon sources. Genome-wide transcriptome analysis was used to identify genes either affected directly or indirectly by each transcription factor investigated during growth on a repressing or a derepressing carbon source. For this purpose, batch cultivations under well-controlled conditions were performed with Aspergillus niger wild type strain ATCC 1015 and the three deletion mutants of the corresponding transcription factors AdrA, FacB and CreA. Samples for RNA extraction were collected and further processed for hybridization in custom-designed Affymetrix microarrays containing probes for three Aspergillus species, including A. niger. Triplicate batch fermentations of each of the four Aspergillus niger strains used, the wild type A. niger strain ATCC 1015 and three gene deletion mutants, were carried out using glucose or glycerol as carbon source, and transcriptome analysis was performed. Biomass from each batch cultivation was harvested in the exponential phase of growth and further processed for RNA extraction and hybridization on Affymetrix microarrays.

2011-01-31 | E-GEOD-19952 | biostudies-arrayexpress

Expression data from batch cultivations with the acidogenic Aspergillus niger wild type strain ATCC 1015 and the areB complete deletion strain constructed using ATCC 1015 as background strain with glucose or glycerol as carbon sources.

Project description:This approach aims at searching unidentified regulatory roles of the AreB transcription factor in the overall carbon metabolism of A. niger. A full areB gene deletion mutant was constructed and characterized in A. niger ATCC 1015. Both strains were grown on glucose or glycerol using ammonia as nitrogen source in batch cultivations and the transcriptome was analyzed using three biological replicated transcriptome experiments. Two areB gene deletion replicates, one on glucose and one on glycerol were discarded due to bad quality and therefore not included in the analysis. Samples for RNA extraction were collected and further processed for hybridization in custom designed Affymetrix microarrays containing probes for three Aspergillus species including A. niger. Triplicate batch fermentations with the two Aspergillus niger strains used, the wild type A. niger strain ATCC 1015 and the areB complete gene deletion strain were carried out and transcriptome analysis was performed. Biomass from each batch cultivation was harvested in the exponential phase of growth and further processed for RNA extraction and hybridization on Affymetrix microarrays.

2011-01-31 | E-GEOD-21015 | biostudies-arrayexpress

Expression-based clustering of CAZyme-encoding genes of Aspergillus niger

Project description:The Aspergillus niger genome contains a large repertoire of genes encoding carbohydrate active enzymes (CAZymes) that are targeted to plant polysaccharide degradation enabling A. niger to grow on a wide range of plant biomass substrates. Which genes need to be activated in certain environmental conditions depends on the composition of the available substrate. Previous studies have demonstrated the involvement of a number of transcriptional regulators in plant biomass degradation and have identified sets of target genes for each regulator. In this study, a broad transcriptional analysis was performed of the A. niger genes encoding (putative) plant polysaccharide degrading enzymes. Microarray data focusing on the initial response of A. niger to the presence of plant biomass related carbon sources were analyzed of a wild-type strain N402 that was grown on a large range of carbon sources and of the regulatory mutant strains ΔxlnR, ΔaraR, ΔamyR, ΔrhaR and ΔgalX that were grown on their specific inducing compounds.

2018-01-29 | GSE98572 | GEO

Transcriptome study on Aspergillus niger during citrate fermentation.

Project description:We report the genes regulated during citrate fermentation. Examination of 5 different time points during fermentation in Aspergillus niger H915-1.

2016-06-30 | E-GEOD-74544 | biostudies-arrayexpress

Regulation of inulin and sucrose utilization by Aspergillus niger AmyR and InuR

Project description:The aim of this study was to investigate the regulatory role of Aspergillus niger AmyR and InuR during growth on inulin and sucrose

2023-05-03 | GSE204768 | GEO

Genomic and Proteomic characterization of Aspergillus niger isolated from the International Space Station

Project description:Genomic and proteomic characterization of the Aspergillus niger isolate, JSC-093350089, collected from U.S. segment surfaces of the International Space Station (ISS) is reported, along with a comparison to the experimentally established strain ATCC 1015. Whole-genome sequencing of JSC-093350089 revealed enhanced genetic variance when compared to publicly available sequences of A. niger strains. Analysis of the isolate’s proteome revealed significant differences in the molecular phenotype of JSC-093350089, including increased abundance of proteins involved in the A. niger starvation response, oxidative stress resistance, cell wall integrity and modulation, and nutrient acquisition. Together, these data reveal the existence of a distinct strain of A. niger onboard the ISS and provide insight into the molecular phenotype that is selected for by melanized fungal species inhabiting spacecraft environments.

2018-08-21 | PXD008588 | Pride

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