Abstract
The DNA content, transaminase, succinoxidase, cytochrome oxidase, and free amino acid patterns of tissues of the Chinese hamster (2N = 22) and the Syrian hamster (2N = 44) were compared. The DNA concentration per cell of liver and spleen and the DNA concentration per gram wet weight of liver, kidney, and lung were of the same order of magnitude for the two species. Transaminase activity per gamma DNA was also about the same but succinoxidase and cytochrome oxidase activity per gamma DNA of the Chinese hamster was about twice that of the Syrian hamster. The free amino acid pattern of the Chinese hamster tissue resembled that of the analogous Syrian hamster tissue more than it resembled other tissues of the Chinese hamster. Some free amino acids were present at approximately the same concentration per gamma DNA in the corresponding tissues of the two hamster species. However, in other cases, an amino acid was present at two times the concentration in the Chinese hamster as in the Syrian hamster tissue. The reverse of this was also observed.
Published Version
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