Results 71 to 80 of about 2,091,689 (159)

A Co-Fermentation Strategy from Corncob Hydrolysate to Enhance Simultaneous Co-Production of Lactic Acid and Ethanol

Fermentation
Efficient co-utilization of mixed sugars from lignocellulosic hydrolysates is often hindered by carbon catabolite repression and pretreatment-derived inhibitors. In this study, a co-fermentation strategy using Saccharomyces cerevisiae (S. cerevisiae) and
Xiaona Wang, Yongsheng Li, Yuanchun Zhang, Yuanyuan Ren, Hongzhi Ma, Jianguo Liu, Qunhui Wang   +6 more
doaj   +1 more source

Working So Hard: Double‐Stranded RNAs That Can Perform Both Gene Activation and Gene Silencing

ChemBioChem, Volume 27, Issue 13, 14 July 2026.
Working so hard: STING saRNAs are capable of not only entering the nucleus to induce subsequent target gene upregulation, but can also act as an siRNA to perform gene silencing. Chemical modifications in saRNA guide and passenger strands affect the strength of gene activation or gene silencing activity.
Virginia Wing‐Nam Chiu, Matthew Lawrence Hammill, Marwah Elabed, Sierra Varley, Yulia Lomonosova, Joseph Hoare, Jon Voutila, Henrik Hansen, Troels Koch, Jean‐Paul Desaulniers   +9 more
wiley   +1 more source

Small RNA as global regulator of carbon catabolite repression in Pseudomonas aeruginosa

, 2009
In the metabolically versatile bacterium Pseudomonas aeruginosa, the RNA-binding protein Crc is involved in catabolite repression of a range of degradative genes, such as amiE (encoding aliphatic amidase).
E. Sonnleitner, Sonnleitner, E., Haas, D., D. Haas, L. Abdou, Abdou, L.   +5 more
core   +1 more source

Tailoring Escherichia coli BL21 (DE3) for preferential xylose utilization via metabolic and regulatory engineering

Applied Microbiology and Biotechnology
Xylose is the most abundant pentose in nature. However, it is usually obtained in mixtures with glucose, leading to carbon catabolite repression in many microorganisms. Among E.
Eliseo R. Molina-Vázquez, Luis Caspeta, Guillermo Gosset, Alfredo Martínez   +3 more
doaj   +1 more source

Atmospheric hydrogen consumption is regulated by glycerol-mediated catabolite repression in mycobacteria

mSystems
Consumption of atmospheric hydrogen (H2) enables diverse aerobic microorganisms to grow and persist in resource-deprived environments. In the aerobic saprophyte Mycobacterium smegmatis, hydrogen oxidation is catalyzed by two differentially expressed ...
Ashleigh Kropp, James D. Archer, Marion Jespersen, Thomas D. Watts, Jessica Solari, Cheng Huang, Ralf B. Schittenhelm, Rhys Grinter, Chris Greening   +8 more
doaj   +1 more source

Detection of Protein–Protein Interactions in Escherichia coli With Single Molecule Sensitivity

Advanced Science, Volume 13, Issue 37, 3 July 2026.
This article describes a regulatory circuit in Escherichia coli able to detect protein–protein interactions with exquisite sensitivity. The interaction between two hybrid proteins fused to Bordetella pertussis adenylate cyclase and its activator calmodulin triggers a potent cyclic AMP signaling cascade.
Marilyne Davi, Daniel Ladant
wiley   +1 more source

Fructose Mediated Catabolite Repression in Sinorhizobium meliloti [PDF]

, 2015
Plants are unable to utilize the N2 form found in the soil environment. Bacteria known as rhizobia are capable of fixing this nitrogen into a form useable by the plant and initiate a symbiotic relationship in the legume root.
Timmerman, Clinton
core  

Malate-mediated carbon catabolite repression in bacillus subtilis involves the HPrK/CcpA pathway

, 2011
Most organisms can choose their preferred carbon source from a mixture of nutrients. This process is called carbon catabolite repression. The Gram-positive bacterium Bacillus subtilis uses glucose as the preferred source of carbon and energy.
Le Coq, Dominique, Mehne, Felix M. P., Matthieu Jules, Frederik M. Meyer, Jules, Matthieu, Jens J. Landmann, Boris Görke, Meyer, Frederik M., Jörg Stülke, Landmann, Jens J., Goerke, Boris, Aymerich, Stephane, Dominique Le Coq, Felix M. P. Mehne, Stéphane Aymerich, Stuelke, Joerg   +15 more
core   +1 more source

Rewiring a methanol-responsive regulatory system improves glucose–methanol co-utilization in Eubacterium limosum

Journal of Biological Engineering
Background Methanol is a promising one-carbon (C1) feedstock for sustainable bioproduction, and its mixotrophic co-utilization with other substrates can improve product formation.
Jiyun Bae, Hyunwoo Jung, Seulgi Kang, Chanho Park, Donghwi Lee, Sangrak Jin, Byung-Kwan Cho   +6 more
doaj   +1 more source

Overcome of carbon catabolite repression of bioinsecticides production by sporeless Bacillus thuringiensis through adequate fermentation technology [PDF]

, 2014
The overcoming of catabolite repression, in bioinsecticides production by sporeless Bacillus thuringiensisstrain S22 was investigated into fully controlled 3 L fermenter, using glucose based medium.
Khedher, Saoussen Ben, Zouari, Nabil, Jaoua, Samir   +2 more
core   +1 more source