Microorganisms microbes include bacteria, fungi, protozoa, some algae, viruses, viroids and also prions that are proteinacious infectious agents. There is also strong evidence that microbes may contribute to many noninfectious chronic diseases such as some forms of cancer and coronary heart disease. Microorganisms and disease questions answers pdf free download in microbiology mcqs,interview questions,objective questions,multiple choice. Which of the following is common in the disease caused by. Download free pdf of list of diseases caused by microorganisms. Ebola ebola is one of the most lethal viruses to infect humans, with a mortality. Microbes or microorganisms diseases caused by microorganisms diseases caused by bacteria, viruses, protozoans and fungi. List of human diseases caused by bacteria,virus,fungi.
The importance of pathogenic escherichia coli strains and emerging pathogens in drinking watertransmitted diseases is also briefly discussed. Diseases caused by acidfast organisms, mycobacterium, et al. Moist heat kills microorganisms by denaturing their proteins causes proteins and enzymes to lose their threedimensional. You have learnt about some of these microorganisms in.
Systemic diseases caused by oral microorganisms debelian. Antibiotics are compounds that kill bacteria in an organism. Introduction to pathogens molecular biology of the cell ncbi. A variety of clinical procedures such as tooth extraction, periodontal and endodontic treatment, may cause translocation of microorganisms from the oral cavity to the bloodstream. There is no shortage of microbes that cause disease. In the 1850s, louis pasteur found that microorganisms caused food spoilage, debunking the theory of spontaneous generation. To help you remember the diseases and their causative agents, we have designed this free ebook, from where you can learn by heart the names of microorganisms and the diseases associated with them. But a pathogen or a parasite, like any other organism, is simply trying to live. Microbes cause infectious diseases such as flu and measles.
However, the bacteria that cause tuberculosis break down tissue, whereas the bacteria that cause diphtheria release toxins. Some microbes cause disease but the majority are completely harmless. Different diseases are caused by different types of microorganisms. We normally think of pathogens in hostile termsas invaders that attack our bodies. The microorganisms that gain entrance to the blood circulate throughout the body, but are usually eliminated by the host reticuloendothelial system within minutes. Objectives on completion of this manual you should have an understanding of. A microorganism, or microbe, is a microscopic organism, which may exist in its singlecelled. The molecular ecology of microbial eukaryotes unveils a hidden world pdf.
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