32. THE NUCLEIC ACIDS OF MICROORGANISMS 



1G7 



TABLE I 



DNA Composition of Bacteria* (Gram-Negative Bacilli, 

 Except Enterobacteriaceae) 



Specie;- 



Pseudomonas tabaci 

 Pseudomonas aeruginosa SI 

 Pseudomonas aeruginosa 9W 

 Pseudomonas aeruginosa A22 

 Pseudomonas aeruginosa 22W 

 Pseudomonas aeruginosa 

 Pseudomonas fluorescens 

 Pseudomonas fluorescens B/Sioon 

 A Icaligenes faecalis 

 Alcaligenes faecalis 

 Alcaligenes faecalis 

 Agrobacterium tumefaciens (nontumoro- 



genic) 

 Agrobacterium tumefaciens 

 Fusobacterium polymorphum 

 Brucella abortus 

 Azotobacter chroococcum (Na) 

 Azotobacter chroococcum (NH 4 + ) 

 Azotobacter chroococcum (slimy) 

 Azotobacter chroococcum (dull) 

 Azotobacter vinelandii (No) 

 Azotobacter vinelandii (NH 4 + ) 

 Azotobacter agile (No) 

 Azotobacter agile (NH 4 + ) 

 Vibrio cholerae 



Ristella (Bacteroides) insolitus IS9 

 Ristella (Bacteroides) insolitus NL12 

 Haemophilus influenzae 

 Pasteurella boviseptica 

 Pasteurella aviseptica 

 Pasteurella tularensis 

 Fusiformis fusiformis 

 Ristella {Bacteroides) clostridiformis 



* The following abbreviations are used (Tables 1-VII, XII) : G, guanine; A, adenine, C, cytosine, T, 

 thymine. 



t In this case, a marked deficit of thymine is observed. 



References 

 ° Ki Yong Lee et al, Ann. inst. Pasteur 91, 212 (1956). 

 6 A. S. Spirin et al, Biokhimiya 22, 744 (1957). 



c B. W. Catlin and L. S. Cunningham, J. Gen. Microbiol. 19, 522 (1958). 

 d H. Goto and S. Akashi, J. Biochem. (Japan) 44, 681 (1957). 

 e G. N. Zaitseva and A. N. Belozersky, Mikrobiologia 26, 722 (1957). 

 ' A. N. Belozersky et al., Mikrobiologia 27, 150 (1958). 

 a S. Zamenhof et al., Biochim. et Biophys. Acta 9, 402 (1952). 



