Interaction of plant cell signaling molecules, salicylic acid and jasmonic acid, with the mitochondria of Helicoverpa armigera

Akbar S., MD. and Sharma, H C and Jayalakshmi, S K and Sreeramulu, K (2012) Interaction of plant cell signaling molecules, salicylic acid and jasmonic acid, with the mitochondria of Helicoverpa armigera. Journal of Bioenergetics and Biomembranes, 44 (1). pp. 233-241. ISSN 1573-6881

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Abstract

The cotton bollworm, Helicoverpa armigera is a polyphagous pest in Asia, Africa, and the Mediterranean Europe. Salicylic acid (SA) and jasmonic acid (JA) are the cell signaling molecules produced in response to insect attack in plants. The effect of these signaling molecules was investigated on the oxidative phosphorylation and oxidative stress of H. armigera. SA significantly inhibited the state III and state IV respiration, respiratory control index (RCI), respiratory complexes I and II, induced mitochondrial swelling, and cytochrome c release in vitro. Under in vivo conditions, SA induced state IV respiration as well as oxidative stress in time- and dose-dependent manner, and also inhibited the larval growth. In contrast, JA did not affect the mitochondrial respiration and oxidative stress. SA affected the growth and development of H. armigera, in addition to its function as signaling molecules involved in both local defense reactions at feeding sites and the induction of systemic acquired resistance in plants.

Item Type: Article
Divisions: UNSPECIFIED
CRP: UNSPECIFIED
Uncontrolled Keywords: Helicoverpa armigera, Mitochondria, Respiration, Salicylic acid, Jasmonic acid, Induced resistance
Subjects: Others > Entomology
Depositing User: Mr Siva Shankar
Date Deposited: 02 Feb 2012 06:41
Last Modified: 14 Aug 2013 07:53
URI: http://oar.icrisat.org/id/eprint/5405
Official URL: http://dx.doi.org/10.1007/s10863-012-9405-8
Projects: UNSPECIFIED
Funders: UGC, UGC – SAP (DSR - I), Ministry of Agriculture, Government of India
Acknowledgement: We thank Mr V Venkateshwar Rao and Mr Chitti B Giddi, for providing the culture of Helicoverpa armigera larvae, and their help in insect bioassays.
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