منابع مشابه
Diversity and ecology of psychrophilic microorganisms.
Cold environments represent the majority of the biosphere on Earth and have been successfully colonized by psychrophilic microorganisms that are able to thrive at low temperatures and to survive and even maintain metabolic activity at subzero temperatures. These microorganisms play key ecological roles in their habitats and include a wide diversity of representatives of all three domains (Bacte...
متن کاملAnalysis of genotypic diversity data for populations of microorganisms.
ABSTRACT Estimation of genotypic diversity is an important component of the analysis of the genetic structure of plant pathogen and microbial populations. Estimates of genotypic diversity are a function of both the number of genotypes observed in a sample (genotype richness) and the evenness of distribution of genotypes within the sample. Currently used measures of genotypic diversity have inhe...
متن کاملGenerators of Phenotypic Diversity in the Evolution of Pathogenic Microorganisms
All organisms run the gauntlet of Darwinian selection. Poignant examples include microbial pathogens, which must survive and thrive in their hosts. The process of pathogen adaptation to the host is diverse and is now known to involve a panoply of diversity generators, such as sexual/parasexual reproduction, aneuploidy, prions, mutators, telomeric silencing/recombination, and Hsp90 as a capacito...
متن کاملDiversity and Production of Extracellular Polysaccharide by Halophilic Microorganisms
Halophilic microorganisms derived from diverse thalassohaline and athalassohaline environments including marine estuaries, saline and soda lakes, inland solar salterns and acidic habitats are categorized as slight-, moderateand extreme halophiles according to their NaCl requirements. Taxonomic studies with culturable diversities of halophiles revealed that they belong to both Archaea and Bacter...
متن کاملMarine Fungi: The Untapped Diversity of Marine Microorganisms
It has been very well established for more than half a century [1] that terrestrial bacteria and fungi are sources of valuable bioactive metabolites. It has also been noted that the rate at which new compounds are being discovered from traditional microbial resources, however, has diminished significantly in recent decades as exhaustive studies of soil microorganisms repeatedly yield the same s...
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ژورنال
عنوان ژورنال: TRENDS IN THE SCIENCES
سال: 2010
ISSN: 1884-7080,1342-3363
DOI: 10.5363/tits.15.3_120