Online Microbiology and Biology Notes
Habitat Definition A habitat is a natural environment where a particular organism lives and utilizes the resources of that place for its survival, food, shelter, protection, and mating. The term habitat has been derived from the Latin word, ‘habitāre’ which means ‘to inhabit’. The habitat of an organism is characterized by its physical and biological … Read more 14 differences between Habitat and Niche (Habitat vs Niche)
Habitat of Bacillus cereus Bacillus cereus is isolated from soil, vegetables, milk, cereals, spices, fried rice, cooked poultry and meats, soups and desserts. It is also found in mashed potato, beef stew, apples, hot chocolates sold in vending machines and other improper food handling areas. In 1887, B. cereus was isolated from air in a cowshed … Read more Habitat of Bacillus cereus
Habitat of E. coli Some of the characteristics are: E. coli was discovered by Theodor Escherich in 1885 after isolating it from the feces of newborns. E. coli is the normal flora of the human body. The niche of E. coli depends upon the availability of the nutrients within the intestine of host organisms. The primary … Read more Habitat of E. coli
Habitat of Acinetobacter baumannii The first Acinetobacter found in soil was discovered in 1911 by M.W. Beijerinck. It is associated with aquatics environment. It has been recovered from soil, water, animals, and humans. Found in the respiratory and oropharynx secretions of infected individuals. Found in hospital environment and accounts for 10% nosocomial infections in ICU. It … Read more Habitat and Morphology of Acinetobacter baumannii
Habitat of Gardnerella vaginalis Normal flora in 40% female (small amount) Found in urine Rarely in blood and wound Found in the anorectal flora of healthy adults of both sexes and as well as children. Isolated from normal vagina of reproductive age female & male urethra (partners of women with bacterial vaginosis). Optimum pH for growth … Read more Habitat and Morphology of Gardnerella vaginalis
Habitat of Mycoplasma pneumoniae They are found in the mucosa of upper respiratory tract (UTR) and urogenital tract of humans. Also found in oral cavity. They are also present in sewage, plants, animals, insects, humans and hot springs. They grow slowly than bacteria. They are self-replicating bacteria. They are atypical bacteria. They do not grow … Read more Habitat and Morphology of Mycoplasma pneumoniae
Habitat of Mycobacterium leprae They are found in soil, water and air. Found in the soils where the leprosy infected people live. Most of them are non-pathogenic and non-parasitic. Found in warm tropical countries. Mycobacterium leprae are found in the peripheral nerves of humans. Found in the cold parts of the body like hand, feet … Read more Habitat and Morphology of Mycobacterium leprae
Habitat of Streptococcus pneumoniae Streptococcus pneumoniae are found worldwide. Found in primates, livestock and felines. They are the part of normal flora of upper respiratory tract infection in humans. Mostly found in throat and nasal passage. They infection mostly children in winter seasons. They are Mesophilic, 30 to 35°C. Morphology of Streptococcus pneumoniae They are … Read more Habitat and Morphology of Streptococcus pneumoniae
Habitat and Morphology of Shigella dysenteriae Habitat of Shigella dysenteriae They are found worldwide. Humans are only the natural host. They are also found in human intestinal tract. They are mostly found in the area where there is overcrowded. Prevalent in low waste management areas and no safe drinking water supply. Houseflies serves as vectors. … Read more Habitat and Morphology of Shigella dysenteriae
Habitat and Morphology of Klebsiella pneumoniae Habitat of Klebsiella pneumoniae They are found in mouth, skin and intestinal tract of human beings. They are also found in soil, water and sewage. Also found in bowel and respiratory tract of humans and animals. Found in the hands of hospital personnel. They are responsible for community and hospital … Read more Habitat and Morphology of Klebsiella pneumoniae