“Aims:\n\nTo detect and enumerate bifidobacteria in
faeces with a new quantitative multiplex real-time PCR (qPCR) method and to compare the results obtained with fluorescence in situ hybridization (FISH) methods.\n\nMethods and Results:\n\nA multiplex qPCR assay was developed, which enabled the enumeration of Bifidobacterium spp. by targeting the Rabusertib bifidobacterial xylulose-5-phosphate/fructose-6-phosphate phosphoketolase gene (xfp) and total bacteria using universal Eub-primers targeting 16S rRNA gene from the domain bacteria. The qPCR assay showed high sensitivity and specificity and a low detection limit of about 2 center dot 5 x 103 bifidobacterial cells
per gram of faeces. The qPCR results were compared with FISH combined with microscopy or flow cytometry (FCM). No statistical differences among bifidobacterial counts averages measured in adult faeces with the three methods were observed. Total bacterial count averages were higher with the FISH method coupled with microscopic analyses compared to FISH with FCM, whereas total cell numbers estimated by qPCR were intermediate between the two FISH methods.\n\nConclusions:\n\nThe new qPCR assay was shown to be sensitive, rapid and accurate for enumerating bifidobacteria in faeces.\n\nSignificance and Impact of the Study:\n\nThis method is a valuable alternative AZD3965 for other molecular methods for detecting faecal bifidobacteria, especially when their counts are below the detection limit of the FISH methods.”
“In the title ion-pair complex, (C(10)H(10)NO)(2)[Ni(C(4)N(2)S(2))(2)]center dot 2H(2)O, the anion has crystallographically imposed centre of symmetry. The Ni(II) atom exhibits a slightly distorted square-planar coordination geometry. In the crystal, the water molecule links anions and cations
into a three-dimensional network via O-H center dot center dot center dot N, O-H center dot center dot center dot S and O-H center dot center dot center dot O hydrogen bonds. The structure is further stabilized by weak S center Bcl-2 cancer dot center dot center dot pi contacts [S center dot center dot center dot centroid = 3.8047 (9) angstrom] and pi-pi stacking interactions [centriod-centroid distance = 3.8653 (7) angstrom].”
“We investigated the relative contributions of the environment and development stage on total polyphenols, flavonoids and condensed tannins contents, as well as 1,1-diphenyl-2-picrylhydrazyl (DPPH) and superoxide scavenging activities in four Tunisian Mentha pulegium. Shoot total phenolics and antioxidant capacities were significantly dependent on environment, development stage and their interaction.