Soil borne human diseases jrc publications repository europa. The video discusses the gk topic of human diseases caused by microorganisms bacteria, fungi, virus and protozoa. Some diseases are also caused by microorganisms due to unbalanced diet such as viruses, bacteria, and fungi, protozoans, helminthes, worms, etc environmental pollutants, tobacco, alcohol and. Microbes have probably always caused infections and diseases in humans. Improved sanitation, vaccines, and antibiotics have all decreased the mortality rates from bacterial infections, though antibioticresistant strains have caused a resurgence in some illnesses. They use simple tricks to enter our bodies so they can cause disease. In india as well as in the world many people often search for different human diseases and their scientific name of micro germs. Pdf risk factors for human disease emergence researchgate. Bacterial diseases are caused by harmful bacteria pathogenic bacteria. Viruses of rabies are introduced through the wound caused by the bite of rabid animals, especially dogs. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Microbes or microorganisms diseases caused by microorganisms diseases caused by bacteria, viruses, protozoans and fungi.
Bacterial diseases occur when pathogenic bacteria get into an area of the body that is normally sterile, such as the bladder, or when they crowd. In this manual infectious agents which cause infection and illness are called pathogens. Borrelia burgdorferi is carried by certain types of ticks that obtain the bacteria through biting infected mice or deer. Some common human diseases biology 267 notes module 4 environment and iii contact with soil contaminated with disease causing viruses and bacteria.
Choose from 500 different sets of microbiology human diseases flashcards on quizlet. These germs have been studying ways to trick the human immune system for a long time because getting past the bodys defences is key for their survival. Since ancient times, historians have documented some of those diseases. Bacterial disease, any of a variety of illnesses caused by bacteria. A virus is micro organism, it is usually very difficult to kill. Birth defects are the leading cause of death for infants during the first year of life.
Microbes make up a significant component of the human body, yet relatively little is known about how they influence health and disease. Bacterial diseases bacteria are microscopic, singlecelled organisms bacte. Section edited by ivan fn hung, jorge garbino and kelvin to. Microorganisms and disease questions and answers pdf. However, soils also contain microorganisms which are capable of causing diseases in humans. Presentday archeologists and microbiologists scientists who study microbes are discovering evidence of infectious disease in prehistoric human skeletons. Fungal diseases are caused by fungi, which are small organisms. List of human diseases caused by bacteria,virus,fungi. It is often difficult to determine the cause of fungal diseases, because bacteria cause a secondary infection and are often erroneously identified as fungi. The gram stain attaches to peptidoglycan in the bacterial cell wall. Ncert science textbooks class 612, wikipedia microbes or microorganisms microorganisms include bacteria, fungi, protozoa, some algae, viruses, viroids and also prions that are proteinacious infectious agents. Antibodies have the ability to combine with the antigen that stimulated their. The human microbiota in health and disease sciencedirect.
About 1 in 10 people have these bacteria in the back of their nose and throat without being ill. The overwhelming majority of bacteria do not cause disease. This section aims to publish studies looking at all aspects of the prevention, diagnosis and management of bacterial and fungal diseases in humans, as well as related molecular genetics, pathophysiology, and epidemiology. Bacteria live on your skin, in your intestine and in many other body locations. Microbial fact sheets pdf, 457kb world health organization.
These past studies have shown that certain pathogens conform to. Most fungi are not dangerous, but some types can be harmful to health. Isbn 9781581103069 centers for disease control and prevention. However, these microbes only cause a problem if your immune system. Bacteria that retain the color of the dye are called gram positive. List of diseases caused by bacteria and viruses in humans. During that period many of the bacteria that cause human disease were identified and characterized. The human microbiota, especially the gut microbiota, has even been considered to be an essential organ, carrying approximately 150 times more genes than are found in the entire human genome. Some diseases caused by pathogens are polio, cholera, mumps, rabies, malaria etc. Important advances have shown that the gut microbiota is.
Here you find the list of diseases in a tabular form and also details of some important ones. At best, there is an association between pathogens and stunting in children. Global rise in human infectious disease outbreaks ncbi. Pathogens may also be considered emerging, for example, antimicrobial resistant bacteria. Infectious disease, in medicine, a process caused by an agent, often a type of microorganism, that impairs a persons health. Static gk diseases caused by microorganisms bacteria. Gk human diseases caused by bacteria viruses protozoa. Diseases caused by bacteria are responsible for many deaths in the world since many centuries. Learn microbiology human diseases with free interactive flashcards. It is caused by bacteria called mycobacterium tuberculosis and mostly infects bones, lungs, brain, and the abdomen.
For example, archaea possess unique flagellins and etherlinked lipids and lack murein in their cell walls. List of different human diseases caused by bacteria viruses protozoa and fungi. Unlike those diseases caused by microorganisms like fungi and protozoa these bacterial infections are deadly. Most human infections in world today are either caused by viruses or bacteria. Aspirin and cigarette smoking can also cause birth problems. By combining genetic tracking of intestinal bacteria, perhaps by the use of robotic. Chemical control strategies that may be required are updated annually in the osu extension agents handbook of insect, plant disease and weed control circular e832. Lyme disease is an inflammatory disease caused by the bacterium borrelia burgdorferi 3.
However, in the future scientists may discover archaea associated with disease. A few harmful microbes, for example less than 1% of bacteria, can invade our body the host and make us ill. National institute of child health and human development. Pdf microbes are called diseasecausing microbes and can make humans, animals and plants sick by. Fungi live outdoors in soil and on plants and trees as well as on many indoor surfaces and on human skin. When microbe meets human clinical infectious diseases oxford. They are specially adapted to infect and multiply within a host.
Harmful microorganisms types and harmful effects on. Cancer occurs when a cell or group of cells begins to multiply more rapidly. Sometimes the bacteria invade the body and cause certain illnesses, which are known as meningococcal disease. The fact sheets on potential pathogens include information on human health ef. Presentday archeologists and microbiologists scientists who study microbes are discovering evidence of infectious disease in prehistoric human. Bmc infectious diseases bacterial and fungal diseases. Tuberculosis is one of the most common and widely distributed bacteria diseases in the human population. Disease causing microorganisms, however, are another matter entirely. Human disease in this topic we are going to figure out some serious diseases caused by various types of bacteria, viruses protozoa, and fungus.
We merged these records with ecological characteristics of the causal pathogens to. More than 100 trillion symbiotic microorganisms live on and within human beings and play an important role in human health and disease. Gk, general studies, optional notes for upsc, ias, banking, civil services. Chapter 2 disease and disease transmission an enormous variety of organisms exist, including some which can survive and even develop in the body of people or animals. In many cases, infectious disease can be spread from person to person, either directly e. Microbes cause infectious diseases such as flu and measles. Significant rna viruses that cause human disease include rhinoviruses that cause.
Infectious diseases disease is a disturbance in the state of health microbes cause disease in the course of stealing space, nutrients, andor living tissue from their symbiotic hosts e. Understanding emerging and reemerging infectious diseases. All types of questions asked in competitive exams have been covered. There is also strong evidence that microbes may contribute to many noninfectious chronic diseases such as some forms of cancer and coronary heart disease. Microbiological classification of infectious diseases. Gram staining is the application of a crystal violet dye to a culture of bacteria. Common diseases of tomatoes part ii diseases caused by. Which of the following characteristic of the rotavirus was important for the construction of the rotashield vaccine. Here presented the list of diseases caused by bacteria and viruses in humans. List of human diseases caused by bacteria and viruses.
Diseases caused by bacteria and viruses bacterial diseases microorganisms viruses and prokaryotesthat cause disease are called pathogens. Infectious diseases bacteria are classified by their gram stain characteristics. The ability of monkey rotavirus strains to cause serious illness diarrhea in human. Antibiotics are used successfully to control bacteria. Contaminated water can be the source of large outbreaks of disease. New cases of lyme disease are most often seen in late spring. At the present time, all known prokaryotic pathogens are bacteria. Humans acquire lyme disease when they are bitten by an infected tick 3. Out of the emerging pathogens, 2 75% are zoonotic, and overall, zoonotic pathogens are twice as. Until the mid20th century, bacterial pneumonia was probably the leading cause of death among the elderly. Fungal diseases are often caused by fungi that are common in the environment. The consequences of human actions on risks for infectious. Different diseases are caused by different types of microorganisms.
Numbers of species of infectious agent causing human disease, by taxonomic. Microorganisms microbes include bacteria, fungi, protozoa, some algae, viruses, viroids and also prions that are proteinacious infectious agents. Multiple archaeal genomes have been sequenced to completion, contributing to a better understanding of the unique cellular processes of archaea and their role in adaptation to extreme. The vast majority of bacteria do not cause disease, and many bacteria are actually helpful and even necessary for good health. Except for genetic and congenital factors, most of the diseases are caused by certain microorganisms. Bacillus anthracis, which causes the disease known as anthrax, is a grampositive sporulating bacteria that gets its name from the distinct coallike, black tissue that is shed from a skin infection anthrakis is greek for coal. Archaea differ from eukarya and bacteria in terms of genetic, biochemical, and structural features. Microorganisms that are capable of causing disease are called pathogens. Bacteria called neisseria meningitidis cause meningococcal disease.
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