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Open AccessArticle

Effects of Diallyl Trisulfide, an Active Substance from Garlic Essential Oil, on Energy Metabolism in Male Moth Sitotroga cerealella (Olivier)

1
Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
2
Department of Chemistry, College of Science, Huazhong Agricultural University, Wuhan 430070, China
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Insects 2020, 11(5), 270; https://doi.org/10.3390/insects11050270
Received: 26 February 2020 / Revised: 25 April 2020 / Accepted: 27 April 2020 / Published: 29 April 2020
This study investigated the effects of diallyl trisulfide (DAT), an active substance from garlic essential oil, on the metabolism of the main energy substances of pre- and postmating males of Sitotroga cerealella. Males at 12 h postemergence were fumigated with DAT at a concentration (LC10 = 0.010 µL/L) in a glass jar for 7 h. The main energy metabolites from pre- and postmating males were determined, including protein, triglyceride, glycogen, total soluble sugar, trehalose, and trehalase. The contents of total protein and total soluble sugar and the trehalase activity of premating males were significantly increased following DAT treatment, whereas the contents of protein from the accessory gland, triglyceride, glycogen, and trehalose were significantly decreased after treatment. Additionally, after mating, the total protein and soluble sugar contents were significantly increased and the glycogen content was significantly decreased in the treatment group relative to the levels in controls, but there was no significant difference observed in triglyceride, accessory gland proteins, trehalose content, or trehalase activity between the treatment and control groups. Furthermore, the changes in the main energy substances between pre- and postmating in males after the DAT treatment (∆DAT) were smaller than those in the control group (∆CK). This result indicated that DAT can accelerate the rate of metabolism in males at LC10, leading to the accumulation of greater levels of total soluble sugar to support life activities and to the increased synthesis of proteins to resist an adverse environment. View Full-Text
Keywords: diallyl trisulfide; energy substances; metabolism; Sitotroga cerealella diallyl trisulfide; energy substances; metabolism; Sitotroga cerealella
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Wu, M.-Y.; Ying, Y.-Y.; Zhang, S.-S.; Li, X.-G.; Yan, W.-H.; Yao, Y.-C.; Shah, S.; Wu, G.; Yang, F.-L. Effects of Diallyl Trisulfide, an Active Substance from Garlic Essential Oil, on Energy Metabolism in Male Moth Sitotroga cerealella (Olivier). Insects 2020, 11, 270.

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