The Effect of Gamma Radiation on Nosema algerae (Microspora: Nosematidae) Spore Viability, Germination, and Carbohydrates
Identifieur interne : 001790 ( Main/Exploration ); précédent : 001789; suivant : 001791The Effect of Gamma Radiation on Nosema algerae (Microspora: Nosematidae) Spore Viability, Germination, and Carbohydrates
Auteurs : Albert H. Undeen [États-Unis] ; Robert K. Vander Meer [États-Unis] ; Burrell J. Smittle [États-Unis] ; Susan W. Avery [États-Unis]Source :
- The Journal of Protozoology [ 0022-3921 ] ; 1984-08.
Abstract
Spores of Nosema algerae Vávra & Undeen were exposed to 5 to 3000 KR of gamma radiation, then assayed for viability in Anopheles quadrimaculatus Say, and tested for germination in vitro. There was a dosage‐dependent loss of viability between 5 and 100 KR. Immediately after exposure to radiation at dosages between 1000 and 3000 KR, the spores progressively lost ability to germinate in 0.2 M KCl, pH 9.5. Between 250 and 1000 KR spores germinated well immediately after irradiation but, over a time span of days, fewer spores were able to germinate. Gamma radiation at 1000 and 2500 also caused a decrease in intrasporal trehalose concentration. The decline in percentage germination and trehalose concentration was more rapid at the higher dosages than the lower dosages.
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DOI: 10.1111/j.1550-7408.1984.tb02998.x
Affiliations:
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There was a dosage‐dependent loss of viability between 5 and 100 KR. Immediately after exposure to radiation at dosages between 1000 and 3000 KR, the spores progressively lost ability to germinate in 0.2 M KCl, pH 9.5. Between 250 and 1000 KR spores germinated well immediately after irradiation but, over a time span of days, fewer spores were able to germinate. Gamma radiation at 1000 and 2500 also caused a decrease in intrasporal trehalose concentration. The decline in percentage germination and trehalose concentration was more rapid at the higher dosages than the lower dosages.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Floride</li></region></list><tree><country name="États-Unis"><region name="Floride"><name sortKey="Undeen, Albert H" sort="Undeen, Albert H" uniqKey="Undeen A" first="Albert H." last="Undeen">Albert H. 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