Study of nucleotide sequence homology between strains of tobacco mosaic virus
Journal Article
·
· Virology; (United States)
Nucleotide sequence similarities between the genomes of strains of tobacco mosaic virus have been assessed by a competition-hybridization test. It was found that strains fall into several groups with nucleotide sequences being indistinguishable within a group and without similarity between groups. The strains fall into the same groups whether these are based on capsid protein properties or on nucleotide sequence homology. The two groups represented by strains U1 and dahlemense have capsid proteins which are the most alike of any of the intergroup comparisons, having differences in only 29 or 18 percent of the 158 sequential amino acid positions and, yet, their nucleic acids show no homology in the competition-hybridization test. Rabbit and mouse globins differ to about the same extent as U1 and dahlemense capsid protein, but in this case, considerable homology has been detected between their genes (Gummerson, R. S., and Williamson, R., Nature (London) 297, 265-267, 1974). Possible reasons for the difference in the two systems are discussed.
- Research Organization:
- Wayne State Univ., Detroit
- OSTI ID:
- 7325917
- Journal Information:
- Virology; (United States), Journal Name: Virology; (United States) Vol. 73:2; ISSN VIRLA
- Country of Publication:
- United States
- Language:
- English
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