The kind of AKH-mobilized energy substrates in insects can be predicted without a knowledge of the hormone structure

Autor: Radomír SOCHA, Dalibor KODRÍK, Petr ŠIMEK, Markéta PATOČKOVÁ
Jazyk: angličtina
Rok vydání: 2004
Předmět:
Zdroj: European Journal of Entomology, Vol 101, Iss 1, Pp 29-35 (2004)
Druh dokumentu: article
ISSN: 1210-5759
1802-8829
DOI: 10.14411/eje.2004.007
Popis: The aim of this study was to show that the kind of AKH-mobilized energy substrates in insects can be predicted on the basis of the results obtained with the application of heterologous, i.e. inter-species, AKHs. Four different AKHs, the Locmi-AKH-I inducing hyperlipaemia and hyperglycaemia in Locusta migratoria, Tenmo-HrTH inducing hyperglycaemia in Tenebrio molitor, and Pyrap-AKH and Peram-CAH-II inducing hyperlipaemia in Pyrrhocoris apterus were used, firstly in conspecific tests, secondly in all possible species-AKH combinations, and finally in individual applications on the test species, the cotton bug Dysdercus cingulatus. Since each of the AKHs induced hyperlipaemia in D. cingulatus adults, we predicted that lipids are the only energy substrates which are mobilized in this species by its native AKH. The accuracy of this prediction was subsequently confirmed by the structural identification of the native D. cingulatus AKH and conspecific application tests. The proposed methodical approach can serve as a suitable monitoring system for determination of the kind of energy substrates mobilized by native insect AKHs until the structure of the hormone is identified.
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