rotaviruses group a are the major cause of diarrhea in calves under one month and every year causes enormous economic losses. serological and molecular techniques can be used for rapid detection of rotaviruses but virus isolation requires specific methods of cell culture and suitable cell lines. in this study, 41 samples were collected from diarrheal calves up to the age of one month, from indu...

this study has been carried out with the objective of isolation and identification of agent(s) of pasteurella pneumonia in sheep and goat in iran using bacteriological and biochemical assays to be identified in the pursuant researches to be used in pasteurellosis vaccine production. to accomplish this objective, samples were gathered from areas suspicious to pasteurellosis infection and industr...

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introduction: while little is known about the molecular mechanisms that establish the apical growth patterns in fungal mycelia, recent research on the genetics of a. nidulans and n. crassa has provided considerable amount information on some genes involving in polarised cell growth. a.nidulans is particularly amenable to experimental analysis and is importantly related to other human pathogen f...

transferrin acts as a vehicle for iron transportation between the absorption, storage and utilization sites in the body and, besides iron, its two highaffinity iron-binding site are capable of binding to 29 other elements. in physiological and pathophysiological conditions, transferrin’s properties are different and close attention to these properties is required. for further investigation for ...

in west africa and nigeria in particular, many virgin plants are still waiting to be evaluated for their medicinal importance. claims of plants with folk medicinal applications need to be evaluated and verified. gomphrena celosioides (family – amaranthaceae) is a weed grown in lawns and the biological activity of the extract had earlier been established. in the present study, the plant was coll...

background and objective : salmonellosis can be acquired through consumption of infected raw or undercooked eggs. the aim of this study was isolation and identification of salmonella spp from the eggshells and the egg contents samples of tabriz retails. methods : a total number of 150 samples of eggs were analyzed for the presence of salmonella spp. using conventional culture method and multipl...

background kelussia odoratissima mozaff. is one of the newest genera of umbelliferae which is represented by only one species. this sweet-smelling, self-growing monotypic medicinal plant is endemic to a restricted area in west of iran and is locally called karafse-koohi. the aerial parts of the plant are commonly used as a popular garnish and a sedative medicinal plant. there are several report...

the rhizome of anemarrhena asphodeloides is used as food and traditional chinese medicine for its hypoglycemic effect. the aim of this study was to investigate the isolation, purification and hypoglycemic activity of anemaran as the active component. the influence factors (isolation duration, ratio of residuals to water and extracting times) during the isolation process were evaluated. the opti...