Results 261 to 270 of about 2,123,405 (317)

Two-Component Systems

2021
Two-component signaling system is present throughout different kingdoms of life forms with high abundance among prokaryotes. The two-component system responds to a variety of environmental stimuli and is also important mode of communication among pathogens for the elaboration of virulent factors.
Rani Gupta, Namita Gupta
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Two-component systems

1999
Abstract In this chapter, we will discuss the signal transduction systems known as the two-component systems. This review covers the literature in this area through July 1995. Signal transduction by these systems requires at least one each of two different types of conserved protein domains, known as the histidine protein kinase domain ...
Mariette R Atkinson, Alexander J Ninfa
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Two-Component Regulatory Systems

2014
Originally characterized for nitrogen regulation (NtrB-NtrC), chemotaxis (CheA-CheY-CheB), osmoregulation (EnvZ-OmpR), and regulation of phosphate uptake (PhoR-PhoB) in Escherichia coli and Salmonella typhimurium, the family of two-component systems has rapidly expanded, and new examples continue to emerge.
Tarek Msadek   +2 more
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Conductivity of two‐component systems

GEOPHYSICS, 1996
We present measurements and computer simulation results on the electrical conductivity of nonconducting grains embedded in a conductive brine host. The shapes of the grains ranged from prolate‐ellipsoidal (with an axis ratio of 5:1) through spherical to oblate‐ellipsoidal (with an axis ratio of 1:5).
A. de Kuijper   +3 more
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Microtubule Formation Using Two-Component Gel System

Journal of the American Chemical Society, 2007
We report a two-component gel system in which an amphiphile group and aromatic cores act as organic gelators by the process of self-assembly. The shape and size of the aromatic cores have a pronounced effect on the gel properties and on structures such as fibers and microtubules.
Ho Yong, Lee   +2 more
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Two-component systems in plant signal transduction

Trends in Plant Science, 2000
In plants, two-component systems play important roles in signal transduction in response to environmental stimuli and growth regulators. Genetic and biochemical analyses indicate that sensory hybrid-type histidine kinases, ETR1 and its homologs, function as ethylene receptors and negative regulators in ethylene signaling.
T, Urao   +2 more
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Two-Component Systems

2014
Among the many regulatory schemes governing virulence potential, two-component systems have been found time and time again to play key roles. The structure-function relationships of the various domains, kinase, receiver, and HPt domains, of two-component systems are examined in this chapter, following the path of information from outside to inside a ...
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Two-Component Sensory Transduction Systems in Phytobacteria

Annual Review of Phytopathology, 1992
Prokaryotic plant pathogens and symbionts have dynamic lifestyles in which they fill multiple niches in their life cycles. These organisms must be able to compete successfully against other organisms, often in the soil and rhizo­ sphere, and also take advantage of very specialized plant habitats.
T C, Charles, S, Jin, E W, Nester
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Partially neutral two-component systems

Physics of Particles and Nuclei Letters, 2010
The formation of high-current electron beams whose charge is partially neutralized by ions with currents exceeding the limiting Alfven current is analytically considered. The results of a measurement of the parameters of high-current electron beams formed in a partially neutralized state and a numerical simulation of nonstationary processes in ...
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