. Bacteriophages. Bacteriophages; Bacteriophages. 38 BACTERIOPHAGES most of the phage proteins and retained abihty to adsorb to and kill bacteria. The phage nucleic acid presumably escapes through cracks in the phage head and may be seen in electron micrographs as long filaments about 20 A in thickness (Williams, 1953). These phage particles consist, therefore, of a nucleic acid core surrounded by a membrane responsible for the overall. Figure 2. Phage T2 seen inside bacteria infected 40 minutes earlier. UJ- trathin sections prepared as described by Kellenberger, Ryter, and Schwab (1956). X 32
. Bacteriophages. Bacteriophages; Bacteriophages. 38 BACTERIOPHAGES most of the phage proteins and retained abihty to adsorb to and kill bacteria. The phage nucleic acid presumably escapes through cracks in the phage head and may be seen in electron micrographs as long filaments about 20 A in thickness (Williams, 1953). These phage particles consist, therefore, of a nucleic acid core surrounded by a membrane responsible for the overall. Figure 2. Phage T2 seen inside bacteria infected 40 minutes earlier. UJ- trathin sections prepared as described by Kellenberger, Ryter, and Schwab (1956). X 32,400. Unpublished. shape of the particle (T. F. Anderson, Rappaport, and Musca- tine, 1953). T5, as shown in a somewhat diff'erent manner, is similarly constructed (Lark and Adams, 1953). Some additional features of the tail structure of phages T2 and T4 have been resolved in considerable detail. Kellenberger and Arber (1955) observed stepwise changes in the morphology. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Adams, Mark Hancock, 1912-1956. New York, Interscience Publishers
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