# Browse Dept. of Biochemistry by Contributor "Ordal, George W."

• (2001)
The methylation-independent system is proposed to involve the regulation of higher-order receptor complexes. Therefore, asparagine chemotaxis likely depends on the presence of heterologous receptors. To explore these ...

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• (1993)
Bacterial chemotaxis may be considered the archetype for the behavioral response by organisms to environmental stimuli. The movement of bacteria toward various chemical substances depends upon the ability of the organism ...

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• (1996)
Bacterial chemotaxis is one of the most well understood signal transduction processes in biology. By controlling the direction of flagella rotation, this process allows the organism to sense changes in its surroundings and ...

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• (1995)
Chemotactic bacteria including Bacillus subtilis migrate towards more favorable conditions by using a signalling system that controls the direction of rotation of the flagella. Many proteins involved in this system show ...

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• (2008)
Physical characterization of the chemoreceptors was probed by identification of a zinc ion binding area, using isothermal titration calorimetry. In addition, in vivo chemotactic assays showed that altering the charges of ...

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• (2000)
In conclusion, this work demonstrates that phosphorylation of CheV is required for efficient adaptation to addition of an attractant and it is necessary for response to the removal of the attractant in the absence of the ...

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• (2007)
The CheY-P phosphatase CheC is important for chemotactic adaptation. The phosphatase ability of CheC is enhanced nearly five fold upon association with CheD. In this study, CheC mutants were generated in putative active ...

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• (2004)
Bacteria sense their environment and respond to it in order to enhance their chance for survival. Motility is one output created that enables bacteria to colonize in optimal conditions. Since environments are ever changing, ...

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• (2013-02-03)
The regulation of protease activity is essential for physiological events, such as angiogenesis, inflammation, wound healing, and tumor invasion. Urokinase plasminogen activator receptor (u-PAR) has been widely studied ...

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• (1994)
The two enzymes involved in the major adaptation pathway of Bacillus subtilis chemotaxis were cloned and sequenced. They were found to be homologous to the corresponding enzymes of the Escherichia coli system. While the ...

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• (2009)
The two-component based chemotaxis signal transduction system allows flagellated bacteria to sense their surrounding chemical environment and move towards more favorable conditions. The attractant signals can be sensed by ...

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• (2010-01-06)
Abstract The two-component based chemotaxis signal transduction system allows flagellated bacteria to sense their surrounding chemical environment and move towards more favorable conditions. The attractant signals can ...

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• (1992)
Bacteria sense their environment and alter their behavior in order to migrate towards more favorable conditions. Some of the genes involved in this chemotactic process in Bacillus subtilis have been cloned, sequenced and ...

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• (1994)
The synthesis of the bacterial flagellum is a complex process requiring up to fifty gene products in organisms such as Escherichia coli and Bacillus subtilis. Several genes involved in the process of flagellar synthesis ...

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• (2002)
Studying the quantitative behavior of tethered B. subtilis cells led to the discovery of new functional features of several chemotaxis proteins. Results are presented that demonstrate that the functional roles of CheW and ...

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• (1998)
While CheC and CheD affect the level of receptor methylation, these proteins are not absolutely required for either methylation or demethylation of McpB. Their role in chemotaxis is unknown but may function as structural ...

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• (1992)
Chemotaxis in Bacillus subtilis is a prototypical behavior and signal transduction process, and CheA$\sb{\rm B}$ plays an important role in it. The $cheA\sb{\rm B}$ gene was isolated, sequenced, expressed and mutated. It ...

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• (2003)
In Chapter 5, we investigated the complementation and activity of a methylesterase phosphorylation point mutant, C-terminal truncated mutant, and a serine active site mutant in vivo to the attractant asparagine to determine ...

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