Ndt80p, a known transcriptional factor, regulates various targets involved in stress responses, filamentous growth, and virulence in Candida albicans. Potential targets of Ndt80p have been identified at the transcriptional level. The present study was conducted to identify genes regulated by Ndt80p from the protein level. We found that the levels of Ahp1p, Fma1p, Hsp21p, Rfa2p, Snz1p, Sod1p, Sou1p, Trp99p, orf19.251, orf19.1862, and orf19.5620, were affected by the null mutation of NDT80 by two-dimensional polyacrylamide gel-electrophoresis analysis. Among the 11 proteins, all but Sou1p and Rfa2p are suggested to be involved in known functions of Ndt80p. Here, we demonstrate that Ndt80p plays a role in l-sorbose utilization through regulating SOU1 in C. albicans.
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http://dx.doi.org/10.1016/j.ijmm.2014.11.001 | DOI Listing |
Biotechnol J
December 2024
Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, Jiangnan University, Wuxi, Jiangsu, China.
Background: Rare sugars are valuable and unique monosaccharides extensively utilized in the food, cosmetics, and pharmaceutical industries. Considering the high purification costs and the complex processes of enzymatic synthesis, whole-cell conversion has emerged as a significantly important alternative. The Escherichia coli strain was initially used in whole-cell synthesis of rare sugars.
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April 2024
College of Life Science and Technology, Guangxi University, Nanning, 530004, China. Electronic address:
Xylitol is an increasingly popular functional food additive, and the newly isolated yeast Wickerhamomyces anomalus WA has shown extensive substrate utilization capability, with the ability to grow on hexose (d-galactose, d-glucose, d-mannose, l-fructose, and d-sorbose) and pentose (d-xylose and l-arabinose) substrates, as well as high tolerance to xylose at concentrations of up to 300 g/L. Optimal xylitol fermentation conditions were achieved at 32 °C, 140 rpm, pH 5.0, and initial cell concentration OD of 2.
View Article and Find Full Text PDFSyst Appl Microbiol
April 2023
Winogradsky Institute of Microbiology, Federal Research Centre of Biotechnology RAS, 7/2 Prospekt 60-letiya Oktyabrya, 117312 Moscow, Russia. Electronic address:
Two heterotrophic bacteroidetes strains were isolated as satellites from autotrophic enrichments inoculated with samples from hypersaline soda lakes in southwestern Siberia. Strain Z-1702 is an obligate anaerobic fermentative saccharolytic bacterium from an iron-reducing enrichment culture, while Ca. Cyclonatronum proteinivorum Omega is an obligate aerobic proteolytic microorganism from a cyanobacterial enrichment.
View Article and Find Full Text PDFSci Rep
February 2023
Sharjah Institute for Medical Research, University of Sharjah, P.O. Box 27272, Sharjah, United Arab Emirates.
The use of alternative tobacco products, particularly medwakh, has expanded among youth in the Middle East and around the world. The present study is conducted to investigate the biochemical and pathophysiological changes caused by medwakh smoking, and to examine the salivary metabolomics profile of medwakh smokers. Saliva samples were collected from 30 non-smokers and 30 medwakh smokers and subjected to metabolomic analysis by UHPLC-ESI-QTOF-MS.
View Article and Find Full Text PDFMicrobiol Spectr
April 2022
Key Laboratory of Endemic and Ethnic Diseases, Ministry of Education & Key Laboratory of Medical Molecular Biology of Guizhou Province, Guizhou Medical University, Guiyang, Guizhou, China.
Clostridioides difficile is a Gram-positive, spore-forming anaerobic bacteria that is one of the leading causes of antibiotic-associated diarrhea. The cell wall protein 66 gene () encodes a cell wall protein, which is the second major cell surface antigen of C. difficile.
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