Abstract
Coccidioidin produced from mycelial and spherule phases of growth of three strains of C. immitis were compared for skin reactivity. Spherule coccidioidin was about 17 times more active on a weight basis than mycelial coccidioidin. When each of the coccidioidins was adjusted to equipotency in guinea pigs sensitized with the homologous strain and form of organisms, all of the skin test preparations were virtually equivalent in reactivity in heterologously as well as homologously sensitized animals. Skin testing sometimes rendered animals less reactive to a second skin test.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 806-810 |
| Number of pages | 5 |
| Journal | Proceedings of the Society for Experimental Biology and Medicine |
| Volume | 145 |
| Issue number | 3 |
| State | Published - 1974 |
ASJC Scopus subject areas
- Biochemistry, Genetics and Molecular Biology(all)
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Chaparas, S. D., Levine, H. B., Pappagianis, D., & Scalarone, G. (1974). Comparison of skin reactivity of spherule and mycelial coccidioidins produced by different strains of Coccidioides immitis. Proceedings of the Society for Experimental Biology and Medicine, 145(3), 806-810.