Changes in the vibrational properties across these transitions, particularly
across the scheelite <-> fergusonite transition, have been investigated using Raman spectroscopy. (C) 2009 American Institute of Physics. [doi:10.1063/1.3223327]“
“Lactobacillus reuteri ATCC 55730 reuteri ATCC 55730) and L reuteri 122 were studied for their probiotic potential. HIF inhibitor These two strains were able to produce an antimicrobial substance, termed reuterin, the maximum production of reuterin by these two strains was detected in the late logarithmic growth phase (16 h in MRS and 20 h in LB broths). These two strains could significantly reduce the growth of Salmonella pullorum ATCC 9120 in MRS broth, L reuteri ATCC 55730 with a reduction of 48.2 +/- 4.15% (in 5 log) and 89.7 +/- 2.59% (in 4 log) respectively, at the same time, L reuteri 122 was 69.4 +/- 3.48% (in 5 log) and 80.4 +/- 3.22% respectively. L. reuteri ATCC 55730 was active against the majority of the pathogenic species, including S. pullorum ATCC 9120 and Escherichia coli O-78, while L reuteri L22 was not as effective as L reuteri ATCC 55730. The two potential strains were found to survive variably at pH 2.5 and were unaffected by bile salts, while neither of the strains was haemolytic. Moreover, L reuteri Combretastatin A4 concentration ATCC 55730 exhibited variable susceptibility towards commonly used antibiotics: but L reuteri 122 showed resistant to most antibiotics in
this study. L reuteri ATCC 55730 consequently was found to significantly increase survival rate in a Salmonella-induced
pullorum disease model in chick. To conclude, strain L reuteri ATCC 55730 possesses desirable probiotic properties, such as antimicrobial activity and immunomodulation in vitro, which were confirmed Acadesine inhibitor in vivo by the use of animal models. (C) 2011 Elsevier Ltd. All rights reserved.”
“This minireview presents recent developments in molecular methods for the diagnosis of tuberculosis, including detection, identification and determination of drug resistance of Mycobacterium tuberculosis. Tuberculosis remains one of the major causes of global death from a single infectious agent. This situation is worsened by the HIV/AIDS pandemic because one-third of HIV/AIDS patients are coinfected with M. tuberculosis. Also of great concern is the emergence of drug-resistant tuberculosis because there are almost no treatment options available for patients affected by highly resistant strains of M. tuberculosis. Advances in molecular biology techniques and a better knowledge of the molecular mechanisms of drug resistance have provided new tools for the rapid diagnosis of tuberculosis. Several nucleic acid amplification technologies have been developed and evaluated. New molecular approaches are being introduced continuously. This minireview will also comment on the future perspectives for the molecular diagnosis of tuberculosis and the feasibility for the implementation of these newer techniques in the clinical diagnostic laboratory.