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Chapter 2 : Evolution in the

Authors: Patricia Fajardo-Cavazos1, Heather Maughan2, Wayne L. Nicholson3
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Affiliations: 1: Department of Microbiology & Cell Science, University of Florida, Space Life Sciences Laboratory, Exploration Park at Kennedy Space Center, Merritt Island, FL 32953; 2: Ronin Institute (Headquartered in Montclair, NJ), Mildmay, ON Canada N0G 2J0; 3: Department of Microbiology & Cell Science, University of Florida, Space Life Sciences Laboratory, Exploration Park at Kennedy Space Center, Merritt Island, FL 32953
Content Type: Monograph
Publication Year: 2016

Category: Bacterial Pathogenesis

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Abstract:

The family (domain Bacteria; kingdom ; phylum ; class ; order ) ( Fig. 1 ) is a globally dispersed and phenotypically heterogeneous group of bacteria ( ). It therefore follows that the family possesses a considerable evolutionary history for scientists to unravel. In recent years, the issue of evolution in the has been probed from two directions. Some researchers have taken an ecological approach to understand the organisms’ adaptive evolution to particular environmental niches; others have pursued a laboratory-based approach in which single laboratory strains are directed to evolve under particular conditions determined by the experimenter. Both approaches have yielded new insights. As in so many other facets of the biology of the , most of our knowledge has been derived from the intense study of relatively few members of the family, most notably ( ). Much less information has been obtained concerning the vast majority of the , prompting the present examination of diversity and evolution within this ubiquitous family. The present article builds upon previous reviews of the topic ( ). Additional information on the genomic diversity of spore-forming and on the ecology of the can be found in articles by Galperin ( ) and Mandic-Mulec et al. ( ).

Citation: Fajardo-Cavazos P, Maughan H, Nicholson W. 2016. Evolution in the , p 21-58. In Driks A, Eichenberger P (ed), The Bacterial Spore: from Molecules to Systems. ASM Press, Washington, DC. doi: 10.1128/microbiolspec.TBS-0020-2014
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Evolution in the Bacillaceae
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Citation: Fajardo-Cavazos P, Maughan H, Nicholson W. 2016. Evolution in the , p 21-58. In Driks A, Eichenberger P (ed), The Bacterial Spore: from Molecules to Systems. ASM Press, Washington, DC. doi: 10.1128/microbiolspec.TBS-0020-2014
/content/10.1128/9781555819323.chap2.fig2-1
Figure 1

Taxonomic position of the reconstructed from 16S rDNA data posted in the Ribosomal Database Project Release 10 (http://rdp.cme.msu.edu/) ( ).

10.1128/9781555819323/fig2-1_thmb.gif
10.1128/9781555819323/fig2-1.gif
Image of Figure 1
Figure 1

Taxonomic position of the reconstructed from 16S rDNA data posted in the Ribosomal Database Project Release 10 (http://rdp.cme.msu.edu/) ( ).

Citation: Fajardo-Cavazos P, Maughan H, Nicholson W. 2016. Evolution in the , p 21-58. In Driks A, Eichenberger P (ed), The Bacterial Spore: from Molecules to Systems. ASM Press, Washington, DC. doi: 10.1128/microbiolspec.TBS-0020-2014
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Figure 2

Plots of D value versus temperature for 168 spores suspended in water (open circles) or in saturated NaCl (filled circles). The lines are best-fit extrapolations of the data to ambient temperature (25°C; thick vertical line). Data are averages of triplicate determinations that varied by less than 5%.

10.1128/9781555819323/fig2-2_thmb.gif
10.1128/9781555819323/fig2-2.gif
Image of Figure 2
Figure 2

Plots of D value versus temperature for 168 spores suspended in water (open circles) or in saturated NaCl (filled circles). The lines are best-fit extrapolations of the data to ambient temperature (25°C; thick vertical line). Data are averages of triplicate determinations that varied by less than 5%.

Citation: Fajardo-Cavazos P, Maughan H, Nicholson W. 2016. Evolution in the , p 21-58. In Driks A, Eichenberger P (ed), The Bacterial Spore: from Molecules to Systems. ASM Press, Washington, DC. doi: 10.1128/microbiolspec.TBS-0020-2014
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