HEMOFLAGELLATES characterized by the presence of a large mitochondrion known as a kinetoplast. the kinetoplastida assume different morphologic forms depending on their presence in vertebrate hosts‚ including humans‚ or their insect vectors . 2 genera important in human disease: Trypanosoma Leishmania transmitted by arthropod vectors and have animal hosts that serve as reservoirs. Amastigote stage spherical‚ 2–5 μm in dm and displays a nucleus and kinetoplast. no
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Immunosuppression: Immunosuppression was performed by giving the animals synthetic corticosteroids (dexamethasone) orally at a dose of 0.25 mg/g/day for 14 successive days prior to inoculation with Cryptosporidium oocysts (Rehg et al.‚ 1988). The mice continued to receive dexamethasone at the same dose throughout the experiment. The oocysts: Oocysts of Cryptosporidium were obtained from naturally infected calves from slaughter houses by collection of scrapings of the ileal mucous membrane and cecal
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Syphilis has been a major global public health problem worldwide and in all healthcare organizations for the past decades. Despite numerous prevention and intervention efforts‚ the overall rates of the case of syphilis in the CDC have not decreased significantly over time. In fact‚ according to the article‚ Syphilis: using modern approaches to understand an old disease‚ “the CDC reported that 25% of primary and secondary syphilis cases occurred in person coinfected with HIV‚ and the incidence rate
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Bangladesh J Microbiol‚ Volume 27‚ Number 2‚ December 2010‚ pp 51-55 Original Article 24 Mohammad Hasibul Hasan‚ Asma Akter‚ Mohammad Ilias‚ Shakila N Khan‚ M Mozammel Hoq* Department of Microbiology‚ University of Dhaka‚ Dhaka-1000‚ Bangladesh. (Received 2 December 2010 ; Accepted 5 February 2011) This study was aimed at the large scale production and application of Bacillus thuringiensis (Bt) biopesticide in Bangladesh agriculture from locally available cheap raw materials. B. thuringiensis
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Investigating the Growth of P. fluorescens Biofilms at the Air-Liquid Interface and the Variations in Biofilm Integrity Abstract Pseudomonas fluorescens produces biofilms in a variety of environments‚ and in experimental situations has been shown to develop random mutations resulting in a phonotypical change in the resulting biofilm. One particular mutation resulted in the growth of a biofilm known as the Wrinkly Spreader‚ which produced a thicker‚ stronger biofilm that had a stronger attachment
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The Cuban revolution brought a lot of unrest to the people of Cuba. It was a time in Cuba where many people in Cuba didn’t have enough money for anything including money for food and shelter. Before the 1950’s‚ the troubles in Cuba life wasn’t all that bad. People would work in the sugar fields and would receive a hefty amount of cash during the sugar harvest season. Things started to change though as work came to an end and the people would have to take low paying jobs. Soon enough‚ people
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L & D Assignment 1: Psychoanalytic Perspective on Personality Development Submitted By Pravin Bang Submitted To‚ Prof. Abhishek Kumar Psychoanalytic Theory‚ conceived by Sigmund Freud and developed and modified by his colleagues‚ students‚ critics and later by ’neo-Freudians ’ such as Erich Fromm in the 19th and 20th centuries‚ has been a significant influence and contribution to psychological research‚ treatment of mental illness and a general understanding of the development and functioning
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Introduction The purpose to this lab was to isolate and identify two unknown bacteria from a mixed culture provided to us by our instructor. This study was done by applying all of the methods that have been instructed on thus far in microbiology laboratory class. Each test performed‚ provided us with some key information about the unknown microbes in question and how the bacteria function. Materials and Methods Over a two week period‚ eight prepared types of test media were provided to
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VIRUSES Viruses are not classified in any kingdom yet because they are not really alive. They only show signs of life after they infect a host cell. Virus: lifeless particle that does not carry out any METABOLIC functions on its own and CANNOT REPRODUCE on its own until it invades a living HOST cell Viral history: Viral history is relatively short. It begins with the isolation of the human influenza virus in the 1930s and crystallization of the tobacco mosaic virus in 1933‚ and moves through
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immunodeficiency virus‚ (HIV). The cause of AIDS includes the spread of the HIV virus through sexual intercourse‚ contaminated needles‚ or blood transfusion. Another cause of AIDS is through the transmission of the HIV virus through breast milk‚ or accidental inoculation from patient to a health care worker. AIDS is most commonly transmitted through sexual contact. In some African populations multiple sexual partners are expected. Due to volume of infected people and sexual contact the issue continues to grow. This
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