8th October 2007, 01:56 AM
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التمريض فن ومهارة واخلاق
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تاريخ التسجيل: Jun 2005
الدولة: بين بياض المعطف
الجنس : ذكر
المشاركات: 531
شكــر: 3
تم شكره 13 في 12 مشاركة
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رد: ممكــــــن مســــــــــــاعدتـــــــ ـكم ؟؟
While microbes are often viewed negatively due to their association with many human illnesses, microbes are also responsible for many beneficial processes such as industrial fermentation (e.g. the production of alcohol and dairy products), antibiotic production and as vehicles for cloning in higher organisms such as plants. Scientists have also exploited their knowledge of microbes to produce biotechnologically important enzymes such as Taq polymerase, reporter genes for use in other genetic systems and novel molecular biology techniques such as the yeast two-hybrid system.
Microorganisms are beneficial for microbial biodegradation or bioremediation of domestic, agricultural and industrial wastes and subsurface pollution in soils, sediments and marine environments. The ability of each microorganism to degrade toxic waste depends on the nature of each contaminant. Since most sites are typically comprised of multiple pollutant types, the most effective approach to microbial biodegradation is to use a mixture of bacterial species and strains, each specific to the biodegradation of one or more types of contaminants.[11]
There are also various claims concerning the contributions to human and animal health by consuming probiotics (bacteria potentially beneficial to the digestive system) and/or prebiotics (substances comsumed to promote the growth of probiotic microorganisms).[12]
ونقلته لك من موقع موسوعة ويكبيديا المشهورة
وهذا هو الرابط لو تبين زيادة معلومات عن الموضوع
Microbiology - Wikipedia, the free encyclopedia
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