The gut microbiota influences essential human functions including digestion, energy metabolism, and inflammation by modulating multiple endocrine, neural, and immune pathways of the host. Its composition and complexity varies markedly across individuals and across different sites of the gut, but provides a certain level of resilience against external perturbation. Short-term antibiotic treatment is able to shift the gut microbiota to long-term alternative dysbiotic states, which may promote the development and aggravation of disease. Common features of post-antibiotic dysbiosis include a loss of taxonomic and functional diversity combined with reduced colonization resistance against invading pathogens, which harbors the danger of antimicrobial resistance. This review summarizes the antibiotic-related changes of the gut microbiota and potential consequences in health and disease.

oped by Battelle Memorial Institute, Columbus, Ohio. The new technique will be used extensively in the development of alloys for nuclear reactors and gas turbines as well as for many other purposes. The program will be carried forward in cooperation with Battelle.) unless CC License in place (see abstract). ecsdl.org/site/terms_use address. Redistribution subject to ECS terms of use (see 129.7.158.43 Downloaded on 2014-12-07 to IP

In spite of its simple composition, the structure of chalcocite, CU(2)S, has long defied analysis. In high chalcocite the sulfur atoms are in hexagonal close-packing, while three varieties of copper atoms, with four-fold, three-fold, and two-fold coordinations respectively, are in disorder in the interstices.

No abstract

No abstract