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Vancomycin Resistance VanS/VanR Two-Component Systems
2008Vancomycin is a member of the glycopeptide class of antibiotics. Vancomycin resistance (van) gene clusters are found in human pathogens such as Enterococcus faecalis, Enterococcus faecium and Staphylococcus aureus, glycopeptide-producing actinomycetes such as Amycolotopsis orientalis, Actinoplanes teichomyceticus and Streptomyces toyocaensis and the ...
Hee-Jeon, Hong +2 more
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Evolutionary Characteristics of Bacterial Two-Component Systems
2012The evolution of biological systems is influenced by a number of factors and forces that have acted in different combinations at different times to give rise to extant organisms. Here we illustrate some of the issues surrounding the data-driven evolutionary analysis of biological systems in the context of bacterial two-component systems (TCSs).
Xia, Sheng +3 more
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Plant Covirus Systems: Two-Component Systems
1977The central concept concerning the viruses described in this chapter is that they have in common the following characteristic: the minimum genetic entity which can be derived from the virus, and which can induce an infection in which virions are formed, is two pieces of RNA.
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Small RNAs Controlled by Two-Component Systems
2008Two-component systems (TCSs) allow bacteria to monitor diverse environmental cues and to adjust gene expression accordingly at the transcriptional level. It has been recently recognized that prokaryotes also regulate many genes and operons at a posttranscriptional level with the participation of small, noncoding RNAs which serve to control translation ...
Claudio, Valverde, Dieter, Haas
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Bacterial Two-Component Regulatory Systems
1998Two-component regulation involves a stimulus-sensitive sensor (histidine protein kinase) that controls the phosphorylation state, and therefore the activity, of its cognate response regulator. Specific two-component systems regulate bacterial response to a wide range of environmental conditions, and many variations on the basic theme have been ...
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Toner Charging for Two Component Development Systems
1988Just as in two component development systems, toner for monocomponent systems must be charged so that the electric field of the latent image can exert its Coulomb force. The problem which this chapter addresses is how to charge and transport toner when carrier is absent.
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