By Anne Maczulak, Robert H Ruskin
People have continuously struggled with easy methods to stability the advantages micro organism supply with the threats that they produce. less visible than the results microorganisms have on crops and animals are the oblique ways that they form the planet. those hidden actions have hardly been defined in technology, notwithstanding scientists notice that the habit of microbes helps all existence in the world.
in additional than 2 hundred entries, Encyclopedia of Microbiology provides the myriad ways that microorganisms impression the biosphere. targeting how all microorganisms relate to one another simply as all larger organisms relate to all different animate and inanimate items in the world, this new source explores all facets of microbiology from mycology (the learn of fungi) to the easiest organic entities of all, viruses, to prions, that are much more streamlined than viruses and simply as dangerous.
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Extra info for Encyclopedia of Microbiology (Facts on File Science Library)
Example text
Euglena possesses two modes of motility. First, the single flagellum propels Euglena through the water. An eyespot located beside the reservoir and containing the light-sensing pigment β-carotene allows the cell to move toward light. In the dark, Euglena cannot use photosynthesis to make energy, so it depends on the cytostome to ingest organic matter and so provide the cell with nutrients. Each cell also contains an inner protein membrane called a pellicle that provides support yet allows the cell to retain some flexibility.
If this is the main benefit of amoebae in digestion, then it is similar to the many other types of proto- amoeba 27 zoa known to inhabit the intestines. On occasion, however, a more dangerous species finds its way into the digestive tract via food or water. When it causes disease or death, it is classified as a pathogen. Pathogenic Amoebae One species of Entamoeba causes a devastating form of diarrhea that afflicts millions throughout the world each year. The illness is amoebic dysentery, or amoebiasis, caused by E.
The neurotoxin can cause illness in people within 30 minutes to 24 hours after eating infected seafood. In severe cases, victims suffer permanent short-term memory loss in a condition called amnesic shellfish poisoning (ASP). Marine and coastal animal populations have also suffered from domoic acid poisoning. In 1991, for example, pelicans fishing along the California coast began dying from a poisoning identified as domoic acid after eating anchovies. This incident provided the first solid evidence that domoic acid infection was not confined to the marine shellfish mussels, oysters, and razor clams; the poison could also be found in the nonmuscle tissue of anchovies, sardines, crab, and lobster.
