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Bioreactor as the root cause of the "manganese effect" during Aspergillus niger citric acid fermentations

Author(s): Fekete E; Bíró V; Márton A; Bakondi-Kovács I; Németh Z; Sándor E; Kovács B; Fábián I; Kubicek CP; Tsang A; Karaffa L; ...

High-yield citric acid production by the filamentous Ascomycete fungus Aspergillus niger requires a combination of extreme nutritional conditions, of which maintaining a low manganese (II) ion conc ...

Article GUID: 35992333


The chimeric GaaR-XlnR transcription factor induces pectinolytic activities in the presence of D-xylose in Aspergillus niger

Author(s): Kun RS; Garrigues S; Di Falco M; Tsang A; de Vries RP;

Aspergillus niger is a filamentous fungus well known for its ability to produce a wide variety of pectinolytic enzymes, which have many applications in the industry. The transcriptional activator GaaR is induced by 2-keto-3-deoxy-L-galactonate, a compound d ...

Article GUID: 34236481


Identification of a Novel Biosynthetic Gene Cluster in Aspergillus niger Using Comparative Genomics

Author(s): Evdokias G; Semper C; Mora-Ochomogo M; Di Falco M; Nguyen TTM; Savchenko A; Tsang A; Benoit-Gelber I; ...

Previously, DNA microarrays analysis showed that, in co-culture with Bacillus subtilis, a biosynthetic gene cluster anchored with a nonribosomal peptides synthetase of Aspergillus niger is downregu ...

Article GUID: 34064722


Genetic Characterization of Mutations Related to Conidiophore Stalk Length Development in Aspergillus niger Laboratory Strain N402

Author(s): Demirci E; Arentshorst M; Yilmaz B; Swinkels A; Reid ID; Visser J; Tsang A; Ram AFJ;

Aspergillus niger is an important filamentous fungus in industrial biotechnology for the production of citric acid and enzymes. In the late 1980s, the A. niger N400/NRRL3 strain was selected for both fundamental and applied studies in relation to several pr ...

Article GUID: 33959152


Biosynthesis of Alkylcitric Acids in Aspergillus niger Involves Both Co-localized and Unlinked Genes.

Author(s): Palys S, Pham TTM, Tsang A

Front Microbiol. 2020;11:1378 Authors: Palys S, Pham TTM, Tsang A

Article GUID: 32695080


The effects of external Mn2+ concentration on hyphal morphology and citric acid production are mediated primarily by the NRAMP-family transporter DmtA in Aspergillus niger.

Author(s): Fejes B, Ouedraogo JP, Fekete E, Sándor E, Flipphi M, Soós Á, Molnár ÁP, Kovács B, Kubicek CP, Tsang A, Karaffa L

Microb Cell Fact. 2020 Jan 30;19(1):17 Authors: Fejes B, Ouedraogo JP, Fekete E, Sándor E, Flipphi M, Soós Á, Molnár ÁP, Kovács B, Kubicek CP, Tsang A, Karaffa L

Article GUID: 32000778


Four Aromatic Intradiol Ring Cleavage Dioxygenases from Aspergillus niger.

Author(s): Semana P, Powlowski J

Ring cleavage dioxygenases catalyze the critical ring-opening step in the catabolism of aromatic compounds. The archetypal filamentous fungus Aspergillus niger previously has been reported to be able to utilize a range of monocyclic aromatic compounds as so ...

Article GUID: 31540981


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

Author(s): Gruben BS, Mäkelä MR, Kowalczyk JE, Zhou M, Benoit-Gelber I, De Vries RP

BMC Genomics. 2017 Nov 23;18(1):900 Authors: Gruben BS, Mäkelä MR, Kowalczyk JE, Zhou M, Benoit-Gelber I, De Vries RP

Article GUID: 29169319


W361R mutation in GaaR, the regulator of D-galacturonic acid-responsive genes, leads to constitutive production of pectinases in Aspergillus niger.

Author(s): Alazi E, Niu J, Otto SB, Arentshorst M, Pham TTM, Tsang A, Ram AFJ

Microbiologyopen. 2019 May;8(5):e00732 Authors: Alazi E, Niu J, Otto SB, Arentshorst M, Pham TTM, Tsang A, Ram AFJ

Article GUID: 30298571


The presence of trace components significantly broadens the molecular response of Aspergillus niger to guar gum.

Author(s): Coconi Linares N, Di Falco M, Benoit-Gelber I, Gruben BS, Peng M, Tsang A, Mäkelä MR, de Vries RP

N Biotechnol. 2019 Jul 25;51:57-66 Authors: Coconi Linares N, Di Falco M, Benoit-Gelber I, Gruben BS, Peng M, Tsang A, Mäkelä MR, de Vries RP

Article GUID: 30797054


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