Advantages and disadvantages of normal human flora pdf

They synthesize vitamins in particular vitamin k and various b group vitamins. Some normal flora become opportunistic pathogens staphylococcus aureus, streptococcus mutans, enterococcus faecalis, streptococcus pneumoniae, pseudomonas aeruginosa, etc. The advantages and disadvantages of being polyploid skip to main content. It also illustrates the diseases caused by those opportunistic pathogens. Normal flora and their various location in the body. What are the advantages and disadvantages of eco tourism. There are a great number of advantages and disadvantages of mass tourism in johannesburg zoo. Most of them are normal flora of human being and animals and produce myriad beneficial effects for human beings include, alleviation of lactose intolerance, diarrhea, peptic ulcer, stimulation of immune system, antiallergic effects, antifungal actions, preservation of food, and prevention of colon cancer. Interference from normal flora of vaccinee possible no. They can be removed from the body surface by mechanical means like pneumococcus and meningococcus can be removed from nasopharynx of the human beings from time to time. This group of organisms, traditionally referred to as normal flora although they are not plants is composed of a fairly stable set of genera, mostly anaerobes.

The normal flora may antagonize other bacteria through the production of substances which inhibit or kill nonindigenous species. Theproductionofacidsasanendproductof carbohydratemetabolismiscommoninmanyspeciesof. Intestinal human flora carry out a diverseness of allimportant metabolic reactions that give rise to various compounds. A variety of factors can disrupt the normal flora including age, diet, stress, illness and exposure to antibiotics. Members of the normal flora form part of the host and include.

But if normal flora is disrupted it can become a pathogen and then cause infection. Advantages and disadvantages of genetically engineered. Here, i consider the advantages and challenges of polyploidy, and its evolutionary potential. Normal flora differ from one human to another depending on age, diet, and geographic habitat. Normal flora of the human body free download as powerpoint presentation. Advantages and disadvantages in the use of antibiotics or phages as therapeutic agents chapter december 2009 with 5,248 reads how we measure reads. Advantages and disadvantages of normal human flora. The normal flora as well has limitations to the human body. When the number of resident normal flora is greatly reduced, opportunistic microbes can easily cause infections in these areas e. The functions of the normal flora include digestion of substrates, production of vitamins, stimulation of cell maturation, stimulation of the immune system, aid in intestinal transit and colonization resistance.

Importance of the normal flora of the human body answers. Some diseases, like diabetes, can disrupt normal flora and cause infection, especially yeast infections on the skin or in the vagina of women. Flora exists in various parts of the human body, in both men. Harmful effects of normal flora of human body youtube. The normal flora evokes the production of antibodies. This host pathogen lecture explains the harmful effects of normal flora of human body. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Advantages and disadvantages of genetically engineered live vaccines. Incredibly, our bodies are actually composed of more bacterial cells than human cells. The advantages and disadvantages of being polyploid. Normaloradescription 197 environment,whichmaybeinhibitoryforcertainpathogens. What are the advantages and disadvantages of normal flora of the skin and vagina.