twenty six rhizobium strains were isolated from root nodules of sesbania sesban (l.) merr. collected from different regions of andhra pradesh. all the 26 rhizobium strains produced indole acetic acid (iaa), but maximum amount was produced by only five strains in yeast extract mannitol  (yem) medium supplemented with l-tryptophan. the strains were found to elaborate maximum iaa when fed with 2.5...

introduction: previous studies have shown that stimulation of lateral hypothalamus (lh) produces antinociception. orexin-a (oxa) receptor is strongly expressed in the nucleus locus coeruleus (lc) and orexinergic fibers densely project from lh to lc. in this study, we assessed the role of lc and its oxa receptors in antinociceptive response induced by lh chemical stimulation in the rat. methods:...

Introduction: It is believed that Locus Coeruleus (LC) influences the sensory information processing. However, its role in cortical surround inhibitory mechanism is not understood. In this experiment, using controlled mechanical displacement of whiskers we investigated the effect of phasic electrical stimulation of LC on response of layer V barrel cortical neurons in anesthetized rat. Methods: ...

introduction: noradrenergic cells in lc participate in the process of cortical activation and behavioral arousal. the evidence suggests that locus ceoruleus (lc) plays an important role in the sleep-wake cycle. the aim of this study was stereological estimation of cavity caused by lesion and assessment of sleep stages after bilateral lesion of the lc. materials and methods: male wistar rats wei...

Background and Purpose:  Due to the important role of imaging in the diagnosis and treatment plan in orthodontics, CBCT (Cone Beam Computed Tomography) images because of their three-dimensional nature, can minimize the disadvantages of two-dimensional images such as magnification, distortion, or superimposition. The purpose of this study was to evaluate the accuracy of conventional cephalograms...

background: to glean insights into the relationship among hepatitis b virus (hbv) genotype/subgenotypes, a1762t/g1764a mutations and advanced liver disease such as liver cirrhosis (lc) and hepatocellular carcinoma (hcc) in southeast china. methods: a case-control study was performed, consisting of chronic hepatitis b (chb) patients (n=160), lc patients (n=150), and hcc patients (n=156). fluores...

introduction: it has been shown that orexin peptides have a role in opioid withdrawal behaviors. orexin-expressing neurons that are present in the hypothalamic nuclei send dense projections to the locus coeruleus (lc). withdrawal syndrome is temporally associated with hyperactivity of lc neurons. however, lc neurons do not show withdrawalinduced hyperactivity in the brain slices from morphine-d...

Introduction: Pain as a complex process in the CNS has been extensively studied by many researchers. It has been found that pain is controlled by certain pathways in the CNS, one of most important of which is the descending noradrenergic system. The pathway begins with Locus Coeruleus (LC) nucleus and ends in the spinal cord. In this study, formalin test was used as a chemical and tonic pain...