Figure 1 Virions of the family Inoviridae: (Upper) Diagram of the protein shell, the loop of ssDNA, and the two ends of Inovirus F pilus-specific coliphage, (From Kornberg, A., Baker, T.A. (1991). DNA replication, 2nd Ed. W.H. Freeman and Co., New York, p 562). (Center) Negative contrast electron micrograph of inovirus Enterobacteria phage fd (fd), showing a tapered end with extensions due to adsorption proteins. The bar represents 100 nm. (From Gray, C.W., et al. (1981), courtesy of Dr. Gray). (Lower) Negative contrast electron micrograph of a preparation of plectrovirus Acholeplasma phage MV-L51 (L51) showing a rod-shaped virion and an abnormally long particle. The bar represents 50 nm. (From Maniloff, J., Das, J., Putzrath, R.M. 1977.)
Figure 2 Genetic map of Inovirus F pilus-specific coliphages showing functions of gene products. Not shown are the locations of gene 10 (DNA replication) and gene 11 (morphogenesis); these are the C-terminal one thirds of gp2 and gp1, respectively, both derived translationally. DNA replication origins in intergenic region (IG) are shown. P = promoter, T = transcription terminator. (From Kornberg, A., Baker, T.A. (1991). DNA replication, 2nd edn. WH Freeman and Co., New York, p. 561; see Hill, Short, Perham and Petersen, 1991 for comparisons of the Ff, Pf3, and Pf1 genomes, and an alternate map numbering convention.)
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