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Activity of soluble and membrane-bound threhalase in apterous and alate morphs of Aphis citricola
Year:
1980
Authors :
Aharonson, Nadav
;
.
Ishaaya, Isaac
;
.
Neubauer, Ilan
;
.
Raccah, Benjamin
;
.
Volume :
66
Co-Authors:
Neubauer, I., Division of Entomology, Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel
Ishaaya, I., Division of Entomology, Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel
Aharonson, N., Division of Pesticide Chemistry, Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel
Raccah, B., Division of Virology, Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel
Facilitators :
From page:
505
To page:
510
(
Total pages:
6
)
Abstract:
1. 1. The optimum conditions for trehalase activity of either soluble or membrane-bound trehalase of both apterous and alate morphs of Aphis citricola were determined. 2. 2. Sodium deoxycholate (DOC) act as a solubilizing agent for membrane-bound trehalase, with no appreciable effect on its activity. 3. 3. Alates exhibit about a 50% higher level of soluble protein compared with that of apterase. Trehalase activity of this fraction in alates is 70-85% higher than that in apterase, as determined per mg protein or per aphid. The activity of the membrane-bound trehalase was on the same level in both morphs when determined relative to mg protein. 4. 4. The relative high activity of the soluble trehalase in alates may reflect an increased energy supply needed for sustaining physical activity involved in aphid flight. © 1980.
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DOI :
10.1016/0305-0491(80)90240-0
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
29527
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:47
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Scientific Publication
Activity of soluble and membrane-bound threhalase in apterous and alate morphs of Aphis citricola
66
Neubauer, I., Division of Entomology, Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel
Ishaaya, I., Division of Entomology, Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel
Aharonson, N., Division of Pesticide Chemistry, Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel
Raccah, B., Division of Virology, Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel
Activity of soluble and membrane-bound threhalase in apterous and alate morphs of Aphis citricola
1. 1. The optimum conditions for trehalase activity of either soluble or membrane-bound trehalase of both apterous and alate morphs of Aphis citricola were determined. 2. 2. Sodium deoxycholate (DOC) act as a solubilizing agent for membrane-bound trehalase, with no appreciable effect on its activity. 3. 3. Alates exhibit about a 50% higher level of soluble protein compared with that of apterase. Trehalase activity of this fraction in alates is 70-85% higher than that in apterase, as determined per mg protein or per aphid. The activity of the membrane-bound trehalase was on the same level in both morphs when determined relative to mg protein. 4. 4. The relative high activity of the soluble trehalase in alates may reflect an increased energy supply needed for sustaining physical activity involved in aphid flight. © 1980.
Scientific Publication
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