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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Bioinsecticidal effect of harmaline on Plodia interpunctella development (Lepidoptera: Pyralidae)
Pesticide Biochemistry and Physiology, Volume 89, No. 2, Year 2007
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Description
We have investigated the effects of harmaline, a plant secondary metabolic compound belonging to β-carboline alkaloids, on the 4th instar larvae of Plodia interpunctella (Lepidoptera). When incorporated into the diet, harmaline caused weight loss of larvae with a reduction in protein and glycogen contents and an inhibition of α-amylase activity. Using electron microscopy, we showed that harmaline provoked a severe cytotoxicity on the epithelial cells of the midgut resulting in marked vacuolization of the cytoplasm, appearance of numerous autophagic vesicles and lysosomic structures, fragmentation of rough endoplasmic reticulum cisternae, disruption of microvilli, rupture of the plasma membrane leading to shedding of the cytoplasm contents into the midgut lumen. The development of larvae to the pupal and adult stages was prevented and high mortality was recorded. © 2007 Elsevier Inc. All rights reserved.
Authors & Co-Authors
Rharrabe, Kacem
Morocco, Tetouan
Université Abdelmalek Essaadi
Bakrim, Ahmed
Morocco, Tetouan
Université Abdelmalek Essaadi
Sayah, Fouad
Morocco, Tetouan
Université Abdelmalek Essaadi
Statistics
Citations: 55
Authors: 3
Affiliations: 1
Identifiers
Doi:
10.1016/j.pestbp.2007.05.002
ISSN:
00483575
e-ISSN:
10959939
Research Areas
Noncommunicable Diseases