microbes in perspective: classification & phylogeny darwin

Microbes in Perspective: Classification & Phylogeny

Darwin

Figure 2.CO: A lab technician in at the CDC with a Petri plate of Fusarium moniliforme culture.

Courtesy of James Gathany/CDC

Figure 2.COinsert: SEM of Fusarium moniliforme a fungus with hyphal and asexual spore stages (X500)

© Phototake/Alamy Images

Figure 2.1a: Carolus Linneaus took on the daunting task of classifying the known members of the biological world and giving them scientific names in

the 1750s.© Mary Evans Picture Library/Alamy Images

Figure 2.1b: Ernst H. Haeckel suggested in 1866 that microbes deserve their own kingdom.

© National Library of Medicine

Figure 2.1c: Robert. H. Whittaker, who in 1969 proposed the five-kingdom classification scheme that won wide acceptance in the scientific community.

Courtesy Division of Rare and Manuscript Collections, Cornell University Library

Figure 2.1d: Carl Woese, the proponent of the three-domain system of classification, now gaining substantial support among scientists.

Courtesy of Jason Lindsey

Table 02.TBL01: A Comparison of Prokaryotes and Eukaryotes

Table 02.TBL02: How the Microbes Acquire Their Names

Figure 2.2a: A stylized bacterial cell is an example of a prokaryotic cell. Relatively few structures are seen.

Figure 2.2b: A plant cell is a typical eukaryotic cell.

Figure 2.3: The Five-Kingdom system of classification

Figure 2.4: The Three-Domain system.

Figure 2.5: Size comparisons among various living things and molecules

Figure 2.6: The familiar light microscope and aspects of oil-immersion microscopy

© Thomas Mounsey/ShutterStock, Inc.

Figure 2.7a: The bacterium Pseudomonas aeruginosa seen with a scanning electron microscope. (Bar = 1.0 μm).

Reprinted with permission from the American Society for Microbiology (N Gotoh, H Wakebe, E Yoshihara, T Nakae and T Nishino; J. Bacteriol, 1989 February; 171(2):983-990.) Photo courtesy of Doctor Naomasa Gotoh, Kyoto Pharmaceutical University

Figure 2.7b: Sectioned cells seen with a transmission electron microscope. (Bar = 0.5 μm).

Reprinted with permission from the American Society for Microbiology (N Gotoh, H Wakebe, E Yoshihara, T Nakae and T Nishino; J. Bacteriol, 1989 February; 171(2):983-990.) Photo courtesy of Doctor Naomasa Gotoh, Kyoto Pharmaceutical University.

Figure 2.CL1a: The fungus Taxomyces andreanae showing its hyphal strands and fruiting bodies with spores (X2300)

Courtesy of Gary Strobel, Montana State University

Figure 2.CL1b: Strobel and Stierle with the yews from which the fungus was obtained.

Courtesy of Gary Strobel, Montana State University