Results 11 to 20 of about 150,111 (85)

Decreased sensitivity to aspirin is associated with altered polyamine metabolism in human prostate cancer cells [PDF]

open access: yes, 2015
Acknowledgments We thank NHS Grampian for financial support of this work.Peer reviewedPublisher ...
Cameron, Gary A.   +2 more
core   +1 more source

Boolean Models of Bistable Biological Systems

open access: yes, 2009
This paper presents an algorithm for approximating certain types of dynamical systems given by a system of ordinary delay differential equations by a Boolean network model.
A. Novick   +16 more
core   +1 more source

Quorum sensing-controlled gene expression in lactic acid bacteria [PDF]

open access: yes, 1998
Quorum sensing in lactic acid bacteria (LAB) involves peptides that are directly sensed by membrane-located histidine kinases, after which the signal is transmitted to an intracellular response regulator. This regulator in turn activates transcription of
Brurberg   +25 more
core   +2 more sources

Drug-Drug Interactions Among Hepatitis C Virus (HCV) and Human Immunodeficiency Virus (HIV) Medications [PDF]

open access: yes, 2015
One-fourth of individuals diagnosed with the human immunodeficiency virus concomitantly have the hepatitis C virus infection. Since the discovery of highly active antiretroviral therapy, liver complications have become the leading cause of morbidity and ...
Gandhi, Mona A.   +2 more
core   +2 more sources

Monitoring Keap1-Nrf2 interactions in single live cells [PDF]

open access: yes, 2014
The transcription factor NF-E2 p45-related factor 2 (Nrf2) and its negative regulator Kelch-like ECH associated protein 1 (Keap1) control the expression of nearly 500 genes with diverse cytoprotective functions.
Abazeed   +124 more
core   +2 more sources

What makes the lac-pathway switch: identifying the fluctuations that trigger phenotype switching in gene regulatory systems [PDF]

open access: yes, 2014
Multistable gene regulatory systems sustain different levels of gene expression under identical external conditions. Such multistability is used to encode phenotypic states in processes including nutrient uptake and persistence in bacteria, fate ...
Berg, Johannes   +3 more
core   +2 more sources

The Regulatory Roles of the Galactose Permease and Kinase in the Induction Response of the GAL Network in Saccharomyces cerevisiae [PDF]

open access: yes, 2006
The GAL genetic switch of Saccharomyces cerevisiae exhibits an ultrasensitive response to the inducer galactose as well as the "all-or-none" behavior characteristic of many eukaryotic regulatory networks.
Hawkins, Kristy M., Smolke, Christina D.
core   +1 more source

L-Arabinose Isomerase Formation in a Conditional Mutant of Gene \u3cem\u3earaA\u3c/em\u3e of \u3cem\u3eEscherichia coli\u3c/em\u3e B/r [PDF]

open access: yes, 1972
A temperature-sensitive mutant of Escherichia coli in which the synthesis of l-arabinose isomerase is blocked during growth at 42 C was found to possess the following properties.
Irr, Joseph   +2 more
core   +1 more source

A novel panel of mouse models to evaluate the role of human pregnane X receptor and constitutive androstane receptor in drug response [PDF]

open access: yes, 2008
The pregnane X receptor (PXR) and the constitutive androstane receptor (CAR) are closely related orphan nuclear hormone receptors that play a critical role as xenobiotic sensors in mammals.
Anja Rode   +19 more
core   +3 more sources

Laccase enzyme production by Pycnoporus sanguineus using oil palm empty fruit bunch as substrate [PDF]

open access: yes, 2017
Laccase is one of the ligninolytic enzymes along with manganese peroxidase and lignin peroxidase. The biotechnological use of laccase has been widely applied in various field ranging from discoloration of textile dye effluent, pulp and paper processing ...
Abd. Aziz, Suraini   +4 more
core  

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