Calmodulin activity in whole body and fat body tissue extracts of Heliothis virescens larvae |
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Authors: | T D Lockey D D Ourth |
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Affiliation: | Department of Biology, Memphis State University, TN 38152. |
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Abstract: | Calmodulin is an activator of many enzymatic activities. Total calmodulin activity in tissue extracts of Heliothis virescens larvae (5th instar), assayed by cyclic phosphodiesterase activation, was 0.48 unit/gm for whole body and 22.2 units/gm for fat body. Specific calmodulin activity was 0.1 unit/mg protein for whole body and 3.0 units/mg protein for fat body. The larval fat body is therefore the main site of calmodulin activity in this lepidopterous larva. |
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