Effects of temperature on β-​glucosidase activity rhythm in Haltica caerulea Olivier (Coleoptera: Halticidae)

Kasturi Bai, A.R. and Shadaksharaswamy, M. and Shamalamma, M. (1981) Effects of temperature on β-​glucosidase activity rhythm in Haltica caerulea Olivier (Coleoptera: Halticidae). Entomon, 6 (2). pp. 163-166. ISSN 0377-9335

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Abstract

Temp. sensitivity of β-​glucosidase rhythm in the digestive ext. of H. caerulea is demonstrated. A bimodal activity rhythm with peaks at 0900 and 2100 h was obtained under lab. conditions with 12 light:dark cycle. Entrainment of this rhythm by 2 sublethal temps., 37° and 15° indicated temp. sensitivity of β-​glucosidase rhythm with both a phase shift and change in the amplitude. High temp. induction is favorable since the pattern remains to be bimodal with peaks at higher level, whereas low temp. is harmful with complete loss of rhythmicity, decreased food intake, and low enzyme activity.

Item Type: Article
Subjects: Faculty of Science > Environmental and Biological Sciences > Zoology
Divisions: Jnana Bharathi / Central College Campus > Department of Zoology
Depositing User: Ms. Sathyavathi N
Date Deposited: 14 Sep 2016 09:03
Last Modified: 14 Sep 2016 09:03
URI: http://eprints-bangaloreuniversity.in/id/eprint/5608

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