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  • Articles  (8)
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  • evolution
  • Springer  (8)
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  • Periodicals Archive Online (PAO)
  • Process Engineering, Biotechnology, Nutrition Technology  (8)
  • 1
    Electronic Resource
    Electronic Resource
    Recognition and molecular evolution in bacteria (1999)
    Springer
    World journal of microbiology and biotechnology 15 (1999), S. 7-10 
    Details
    ISSN: 1573-0972
    Keywords: Bacteria ; evolution ; molecular ; pairing ; recognition
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract One principal function of biological molecules in bacteria is to recognize other molecules. This allows cells to assemble for regulated enzymatic catalysis and the integration of biochemical pathways. Recognition is also an essential and a specific property in base pairing of DNA in the double helix. Therefore, recognition events must have been central to early self-assembly of primitive genetic material, genomes, cells, genetic recombination and especially in enzyme-substrate-product recognition events. Molecular recognition events are examined with an emphasis on their central role in early prokaryotic evolution.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008882931061
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  • 2
    Electronic Resource
    Electronic Resource
    Why on Earth: Self-assembly of the first bacterial cell to abundantand diverse bacterial species (1999)
    Springer
    World journal of microbiology and biotechnology 15 (1999), S. 297-304 
    Details
    ISSN: 1573-0972
    Keywords: Bacteria ; cell ; diversity ; division ; Earth ; evolution ; metabolism ; self-assembly ; surfaces
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract About 80% of the evolutionary history of life on Earth is restricted to microorganisms which have had several billion years to speciate. The reasons for the origin (self-assembly) of life on Earth, bacterial cell division and why there are so many different bacteria and their global dispersal are discussed from an evolutionary perspective.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008962900542
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  • 3
    Electronic Resource
    Electronic Resource
    Evolution of gene transfer in bacteria (1999)
    Springer
    World journal of microbiology and biotechnology 15 (1999), S. 1-6 
    Details
    ISSN: 1573-0972
    Keywords: Bacteria ; conjugation ; DNA ; evolution ; gene transfer ; transduction ; transformation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract The transfer of genetic information by transformation, conjugation and transduction in bacteria occurs frequently in nature. These diverse gene transfer mechanisms in bacteria are the result of evolution and are not linked to reproduction as in eukaryotic organisms. In this review, gene transfer in bacteria will be considered from an evolutionary perspective.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008830914223
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  • 4
    Electronic Resource
    Electronic Resource
    The theory of everything and molecular evolution (1997)
    Springer
    World journal of microbiology and biotechnology 14 (1997), S. 171-176 
    Details
    ISSN: 1573-0972
    Keywords: Bacteria ; DNA ; evolution ; molecular ; optimization ; RNA ; theory ; time
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract The theory of everything is discussed in relationship to early bacterial molecular evolution. The emphasis is on time, space (or location at the molecular level), the universal construction kit (elements contained in periodic table) and change per units of time that were necessary for early bacterial molecular evolution to occur.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008817726536
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  • 5
    Electronic Resource
    Electronic Resource
    Bacterial population genetics (1997)
    Springer
    World journal of microbiology and biotechnology 14 (1997), S. 1-5 
    Details
    ISSN: 1573-0972
    Keywords: Bacteria ; DNA ; evolution ; genetics ; genome ; molecular ; population
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract Bacterial population genetics is the study of natural bacterial genetic diversity arising from evolutionary processes. The roles of molecular mistakes, restriction–modification, plasmids and gene transfer in bacteria are also important components of population genetics. These aspects are of considerable scientific importance from a fundamental perspective, because of the short generation times of bacteria, their microscopic cell size, the large population sizes bacteria can achieve and their different mechanisms of gene transfer.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008897128837
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  • 6
    Electronic Resource
    Electronic Resource
    The ecology and evolution of bacteriocins (1996)
    Springer
    Journal of industrial microbiology and biotechnology 17 (1996), S. 151-158 
    Details
    ISSN: 1476-5535
    Keywords: bacteriocins ; colicins ; evolution ; ecology ; Escherichia coli
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract In this review we focus on the ecological and evolutionary forces that determine the frequency and diversity of colicins inEscherichia coli. To begin, we describe that this killing phenotype is ubiquitous inE. coli, with as many as 50% of the isolates from a population producing colicin toxins, and that each population sampled has its own unique distribution of the more than 20 known colicin types. Next, we explore the dynamics of colicinogeny, which exhibits a typical form of frequency dependence, where the likelihood of successful colicin invasion into a population increases as the initial density of colicinogenic cells increases. We then incorporate thoughts on the evolution of chromosomal resistance to colicins and describe how resistance might influence the dynamics of colicinogen invasion and maintenance and the resulting colicin diversity. The final section deals with a genetic and phylogenetic characterization of colicins and a discussion of the evolutionary mechanisms responsible for generating colicin diversity. In this final section we provide details of the different molecular mechanisms known to play a role in generating colicin diversity, including the two most dominant forces in colincin evolution: recombination and positive, deversifying, selection.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01574688
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  • 7
    Electronic Resource
    Electronic Resource
    Bacterial species and evolution: Theoretical and practical perspectives (1996)
    Springer
    Journal of industrial microbiology and biotechnology 17 (1996), S. 137-150 
    Details
    ISSN: 1476-5535
    Keywords: bacteria ; species concepts ; genetics ; diversity ; evolution
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract A discussion of the species problem in modern evolutionary biology serves as the point of departure for an exploration of how the basic science aspects of this problem relate to efforts to map bacterial diversity for practical pursuits—for prospecting among the bacteria for useful genes and gene-products. Out of a confusing array of species concepts, the Cohesion Species Concept seems the most appropriate and useful for analyzing bacterial diversity. Techniques of allozyme analysis and DNA fingerprinting can be used to put this concept into practice to map bacterial genetic diversity, though the concept requires minor modification to encompass cases of complete asexuality. Examples from studies of phenetically definedBacillus species provide very partial maps of genetic population structure. A major conclusion is that such maps frequently reveal deep genetic subdivision within the phenetically defined specles; divisions that in some cases are clearly distinct genetic species. Knowledge of such subdivisions is bound to make prospecting within bacterial diversity more effective. Under the general concept of genetic cohesion a hypothetical framework for thinking about the full range of species conditions that might exist among bacteria is developed and the consequences of each such model for species delineation, and species identification are discussed. Modes of bacterial evolution, and a theory of bacterial speciation with and without genetic recombination, are examined. The essay concludes with thoughts about prospects for very extensive mapping of bacterial diversity in the service of future efforts to find useful products. In this context, evolutionary biology becomes the handmaiden of important industrial activities. A few examples of past success in commercializing bacterial gene-products from species ofBacillus and a few other bacteria are reviewed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01574687
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  • 8
    Electronic Resource
    Electronic Resource
    Bacterial RNA polymerases: structural and functional relationships (1993)
    Springer
    World journal of microbiology and biotechnology 9 (1993), S. 403-413 
    Details
    ISSN: 1573-0972
    Keywords: DNA transcription ; evolution ; phage ; prokaryotes ; RNA polymerase
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract The essential role of DNA-dependent RNA polymerases in gene expression and the fact that the multimeric species are highly conserved throughout nature makes these enzymes a particular fascinating area of study. Here we shall review the conservation of structures and their relationship to function, especially in the multimeric eubacterial RNA polymerases, paying particular attention to the β core subunit and to recent studies of σ-factors of both the σ 70 and σ 54 families. We shall conclude with a brief consideration of phage-encoded RNA polymerases and phage-mediated modification of the host enzyme, and of the evolution of RNA-synthesising enzymes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00328028
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