jejuni PU-H71 with the aim of finding peptides that could be used to control this microorganism in chickens. In total, 27 phage peptides, representing 11 unique clones, were found to inhibit the growth of C. jejuni by up to 99.9% in vitro. One clone was bactericidal, reducing the viability of C. jejuni by 87% in vitro. The phage peptides were highly specific. They completely inhibited the growth of two of the four poultry isolates of C. jejuni tested with no activity detected towards other Gram-negative and Gram-positive bacteria.”
“Vestibulospinal reflexes elicited by head displacement in space depend on the direction of body displacement, because the neuronal
responses to labyrinthine stimulation are tuned by neck displacement: a directional tuning takes place in the medial cerebellum and in spinal motoneurons, while a gain and a basal activity tuning can be observed in the reticular formation, a target structure of the medial cerebellum. In the present study, we investigated whether also the response of vestibular nuclear neurons (another target of
the medial cerebellum) to labyrinthine stimulation is tuned by neck displacement and Veliparib molecular weight which parameters of the response are modulated by it. In urethane-anaesthetized Wistar rats, single-unit activity was recorded from the vestibular nuclei at rest and during wobble of the whole animal at 0.156 Hz. This stimulus tilted the animal’s head by a constant amplitude (5), in a direction rotating at a constant velocity over the horizontal plane, either in clockwise or counter clockwise direction. The gain and the direction of neuronal responses to wobble were evaluated through Fourier analysis, in the control position (with coincident head and body axes) and following a body-to-head rotation
of 5-30 degrees over the horizontal plane, in both directions. Most of the vestibular neurons modified their response gain and/or their basal activity following body-to-head rotation, as it occurs in the reticular formation. Only few neurons modified their response direction, as occurs in the cerebellum and in spinal motoneurons. The different behaviour of cerebellar neurons and of their vestibular and reticular target cells, suggests that the role played by the cerebellum in the neck tuning of vestibulospinal reflexes has to be reconsidered. selleck kinase inhibitor (C) 2013 IBRO. Published by Elsevier Ltd. All rights reserved.”
“The recalcitrance of lignocellulosic biomass to hydrolysis is the bottleneck in cellulosic ethanol production. Efficient degradation of biomass by the anaerobic bacterium Clostridium thermocellum is carried out by the multicomponent cellulosome complex. The bacterial cell-surface attachment of the cellulosome is mediated by high-affinity protein-protein interactions between the Type II cohesin domain borne by the cell envelope protein and the Type II dockerin domain, together with neighboring X-module present at the C-terminus of the scaffolding protein (Type II coh-Xdoc).