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Helicobacter pylori uses flagellum-mediated chemotaxis to promote infection. Bacterial flagella change rotational direction by changing the state of the flagellar motor via a subcomplex referred to as the switch. Intriguingly, the H. pylori genome encodes four switch complex proteins, FliM, FliN, FliY, and FliG, instead of the more typical three of(More)
Helicobacter pylori is an important pathogen responsible for human gastric problems like inflammation, ulcers and cancer. It is widely prevalent in developing countries with low socioeconomic status. Since the infection remains asymptomatic in most individuals, efforts for efficient diagnostic markers to identify high risk patients are warranted. In this(More)
BACKGROUND Diabetic foot is a common complication of diabetes world over. We conducted this study to determine common microbiological pathogens in Diabetic Foot Infections (DFI) at a tertiary care hospital and their management. METHODS In this observational study deep wound swabs of all admitted diabetic patients were taken, pathogens isolated, antibiotic(More)
Helicobacter pylori is a chemotactic bacterium that has three CheV proteins in its predicted chemotaxis signal transduction system. CheV proteins contain both CheW- and response-regulator-like domains. To determine the function of these proteins, we developed a fixed-time diffusion method that would quantify bacterial direction change without needing to(More)
BACKGROUND Mallotus philippensis (Lam.) Muell. Arg. is a well known medicinal plant of Asia and Australia. Various compounds from different aerial parts of the plant have been reported possessing potent pharmacological, antiviral, antibacterial and cytotoxic activities. We were interested to determine the effects of some root extracts from M. philippensis(More)
BACKGROUND Dengue Fever is the most common arboviral disease in the world, and presents cyclically in tropical and subtropical regions of the world. The four serotypes of dengue virus, 1, 2, 3, and 4, form an antigenic subgroup of the flaviviruses (Group B arboviruses). Transmission to humans of any of these serotypes initiates a spectrum of host responses,(More)
Antitussive effects of ethyl acetate fraction of Terminalia chebula on sulphur dioxide (SO2) gas induced cough have been examined in mice. Safety profile of Terminalia chebula was established by determining LD50 and acute neurotoxicity. The result showed that extract of Terminalia chebula dose dependently suppressed SO2 gas induced cough in mice. Terminalia(More)
BACKGROUND Helicobacter pylori (H. pylori) colonizes in half of the population of developed and nearly all inhabitants of developing countries. The infection is characterized by gastritis but can present more complicated disease states. We intended to report prevalence of H. pylori infection by histopathology and presence of gastritis, activity, atrophy and(More)
BACKGROUND The association between dyspepsia, H. pylori and psychological distress has remained a topic of intense debate over the past several decades. In Pakistan, where depression is highly prevalent and dyspepsia is possibly present in a high percentage of population, little data exist about these common health problems. This study was conducted to(More)