summary - This is the genetic information for the most part...

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Jason Green September 11, 2008 Summary of What are Bacterial Species? A recurrent problem in the field of bacteriology, specifically the systematics portion of study, is defining and naming specific species. Bacteriologists all agree that species exist, but complications arise when trying to decide what traits, whether phenotypic, genotypic, or ecological, determine the relationships and organization of species. The idea of an ‘ecotype’ in bacteria would link, or relate, many of the methods and characterization techniques that are applied in eukaryotes to the world of bacteria. An ecotype could do this by finding something common between all bacteria and eukarya, and each bacterial species could contain several ecotypes. The reason finding and naming bacterial species is so problematic lies in the way bacteria develop, evolve and reproduce. In most other organisms, including eukaryotes, the genetic information in each species is the result of interbreeding of two parental strains.
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Unformatted text preview: This is the genetic information, for the most part, that the organism will have for the rest of its life. Bacterial genomes can change drastically within a day through conjugation, transformation, and transduction. The analysis of the DNA or RNA in bacteria would not be very beneficial because the types of genetic material in two species can change very quickly depending on the environment it is in. Physical properties also do not provide much information on the relationship between species. Many bacteria look very much alike but the tools they employ to survive and adapt to environments are very different. An ecological cluster sequence based approach would prove the most beneficial in distinguishing between species. This would allow study of the way the bacteria relates to its surroundings, and would take into account the quickly developing ecotype formation, even through mutations, in each cluster of bacteria....
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summary - This is the genetic information for the most part...

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