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Expression analysis of Aspergillus nidulans AN1599 (PbcR) overexpression mutant

ABSTRACT: Investigation of whole genome gene expression level changes in Aspergillus nidulans AN1599 (PbcR) overexpression mutant, compared to the FGSC A4 wild-type strain. Overexpression of the Zn(II)2Cys6 M-bM-^@M-^Stype transcription factor, AN1599.4 (PbcR, pimaradiene biosynthetic cluster regulator), activates a secondary metabolite gene cluster in Aspergillus nidulans. Activation of the pathway in Aspergillus nidulans lead to a production of ent-pimara-8(14),15-diene. 12x135K array of two separate cultures of FGSC A4 and two separate cultures of oe:AN1599(PbcR) with three separate RNA extractions from each culture. Each 135K array measures expression level of 10,546 genes with 6 probes/transcript. In addition, the array format contains tiling probes for 36 longer transcripts. All probes are in duplicates, giving the total number of 137,562 probes per array.

ORGANISM(S): Emericella nidulans

SUBMITTER: Kirsi Bromann

PROVIDER: E-GEOD-32954 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Expression analysis of Aspergillus nidulans AN1599 (PbcR) overexpression mutant

Project description:Investigation of whole genome gene expression level changes in Aspergillus nidulans AN1599 (PbcR) overexpression mutant, compared to the FGSC A4 wild-type strain. Overexpression of the Zn(II)2Cys6 –type transcription factor, AN1599.4 (PbcR, pimaradiene biosynthetic cluster regulator), activates a secondary metabolite gene cluster in Aspergillus nidulans. Activation of the pathway in Aspergillus nidulans lead to a production of ent-pimara-8(14),15-diene.

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Aspergillus nidulans strain:FGSC A4 AMM05

Project description:Aspergillus nidulans FGSC A4 AMM05 Resequencing

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Expression analysis, A. actinomycetemcomitans wild type (JP2) vs CRP deletion mutant both grown anaerobically.

Project description:The goal of this analysis is to define the anaerobic regulon for the global transcription factor CRP (catabolite repressor protein) in the periodontal pathogen Aggregatibacter actinomycetemcomitans. The objectives were met by comparing the mRNA profile of a wild type strain, JP2, to that of an isogenic mutant deleted of the CRP gene. Both strains were grown anaerobically. A three biological replicates study using total RNA recovered from three separate cultures of wild-type Aggregatibacter actinomycetemcomitans strain JP2 and three separate cultures of strain AAM167, an isogenic deletion mutant in which the gene for cAMP-Receptor-Protein (CRP) has been replaced by a spectinomycin resistance gene cassette. The cells were grown anaerobically in pairs (wild type paired with mutant). Each chip measures the expression level of 2,116 genes from A. actinomycetemcomitans strain HK1651. There were 11 different 60-mer probes /gene for 94% of the genes, and the entire probe set (22,537 probes) was replicated (technical replicates) three times on each array. Each probe set is contained on a quarter of a chip and there were also 4,426 random probes per array. Wild type and mutant RNAs from cultures #1 and #2 were hybridized to the same chip and the RNAs from cultures #3 were hybridized in different quadrants of a second chip.

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Expression data from Aspergillus nidulans FGSCA26 and SirAdelta grown for 24,48, and 72h

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Aspergillus nidulans strain:FGSC A4 C10 | isolate:ATCC 38163

Project description:Aspergillus nidulans FGSC A4 C10 Resequencing genome sequencing

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