Question

What role does micrococcus roseus play in nature. Is it typically found in soil, water, food, humans or animals?

Answer 1

M. luteus can be found in many places such as the human skin, water, dust, and soil. Micrococcus is generally thought of as harmless bacterium, but there have been rare cases of Micrococcus infections in people with compromised immune systems, as occurs with HIV patients.

The perception of stress and the postshock behavior of M. luteus cells proved to depend on the growth phase and medium. The magnitude of the stress response was more pronounced in cultures grown on synthetic medium than in cultures grown on rich medium (nutrient broth). During exponential or linear growth, the cells were more sensitive to the temperature effect than during decelerated growth. In linearly growing m. luteus cultures, the amount of total intra- and extracellular alkylhydroxybenzenes, the anabiosis inducers, increased in response to heat shock. AHB redistribution between cells and culture liquid occurred in the course of stress and after stress. In micrococci exposed to heat shock, an increase in the AHB concentration both in cells and in culture liquid is likely a defense reaction of stress resistance.

M. luteus has been isolated from human skin, animal and dairy products, and beer. It can be found in many other places in the environment, as well, like water, dust, and soil. M. luteus on human skin breaks down compounds in sweat into compounds with bad odor. M. luteuscan grow well in environments with little water or high salt concentrations. They grow optimally at 37^oC and can be easily grown on inorganic nitrogen agar or Simmon's citrate agar. Although some, likeMicrococcus antarcticus, are cold-adapted, and have been found living in Antarctica and in marine environments.

Yes it is found in soil, water, food, humans or animals.