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Assessment of Sex-Specific Toxicity and Physiological Responses to Thymol in a Common Bean Pest Acanthoscelides obtectus Say

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2022
1530.pdf (3.275Mb)
Authors
Lazarević, Jelica
Jevremović, Stojan
Kostić, Igor
Vuleta, Ana
Manitasević-Jovanović, Sanja
Kostic, Miroslav
Seslija-Jovanović, Darka
Article (Published version)
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Abstract
Acanthoscelides obtectus Say (Coleoptera: Chrysomelidae: Bruchinae), is one of the most important pests of the common bean Phaseolus vulgaris L. Without appropriate management it may cause significant seed loss in storages. In search for means of environmentally safe and effective protection of beans we assessed biological activity of thymol, an oxygenated monoterpene present in essential oils of many aromatic plants. We studied contact toxicity of thymol on bean seeds and its effects on adult longevity and emergence in F1 generation. Furthermore, we determined acetylcholinesterase (AChE), superoxide dismutase (SOD), catalase (CAT), mixed-function oxidase (MFO), carboxylesterases (CarE) and glutathione S-transferase (GST) activities in response to 24 h exposure of beetles to sublethal and lethal thymol concentrations. Our results showed that thymol decreased adult survival, longevity and percentage of adult emergence. Higher median lethal concentration (LC50) was recorded in females in...dicating their higher tolerance comparing to males. Overall, activities of SOD, CAT and CarE increased at sublethal and MFO increased at both sublethal and lethal thymol concentrations. On the other hand, GST and AChE activities decreased along with the increase in thymol concentrations from sublethal (1/5 of LC50, 1/2 of LC50) to lethal (LC50). Enzyme responses to the presence of thymol on bean seed were sex-specific. In the control group females had lower CarE and higher SOD, CAT and GST activity than males. In treatment groups, females had much higher CAT activity and much lower CarE activity than males. Our results contribute to deeper understanding of physiological mechanisms underlying thymol toxicity and tolerance which should be taken into account in future formulation of a thymol-based insecticide.

Keywords:
thymol / sexual dimorphism / seed protection / insecticidal activity / detoxification / antioxidative defense / Acanthoscelides obtectus
Source:
Frontiers in Physiology, 2022, 13
Publisher:
  • Frontiers Media Sa, Lausanne
Funding / projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200007 (University of Belgrade, Institute for Biological Research 'Siniša Stanković') (RS-200007)

DOI: 10.3389/fphys.2022.842314

ISSN: 1664-042X

PubMed: 35250641

WoS: 000766865600001

Scopus: 2-s2.0-85125844999
[ Google Scholar ]
1
URI
http://rimsi.imsi.bg.ac.rs/handle/123456789/1533
Collections
  • Radovi istraživača / Researchers’ publications
Institution/Community
Institut za multidisciplinarna istraživanja
TY  - JOUR
AU  - Lazarević, Jelica
AU  - Jevremović, Stojan
AU  - Kostić, Igor
AU  - Vuleta, Ana
AU  - Manitasević-Jovanović, Sanja
AU  - Kostic, Miroslav
AU  - Seslija-Jovanović, Darka
PY  - 2022
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/1533
AB  - Acanthoscelides obtectus Say (Coleoptera: Chrysomelidae: Bruchinae), is one of the most important pests of the common bean Phaseolus vulgaris L. Without appropriate management it may cause significant seed loss in storages. In search for means of environmentally safe and effective protection of beans we assessed biological activity of thymol, an oxygenated monoterpene present in essential oils of many aromatic plants. We studied contact toxicity of thymol on bean seeds and its effects on adult longevity and emergence in F1 generation. Furthermore, we determined acetylcholinesterase (AChE), superoxide dismutase (SOD), catalase (CAT), mixed-function oxidase (MFO), carboxylesterases (CarE) and glutathione S-transferase (GST) activities in response to 24 h exposure of beetles to sublethal and lethal thymol concentrations. Our results showed that thymol decreased adult survival, longevity and percentage of adult emergence. Higher median lethal concentration (LC50) was recorded in females indicating their higher tolerance comparing to males. Overall, activities of SOD, CAT and CarE increased at sublethal and MFO increased at both sublethal and lethal thymol concentrations. On the other hand, GST and AChE activities decreased along with the increase in thymol concentrations from sublethal (1/5 of LC50, 1/2 of LC50) to lethal (LC50). Enzyme responses to the presence of thymol on bean seed were sex-specific. In the control group females had lower CarE and higher SOD, CAT and GST activity than males. In treatment groups, females had much higher CAT activity and much lower CarE activity than males. Our results contribute to deeper understanding of physiological mechanisms underlying thymol toxicity and tolerance which should be taken into account in future formulation of a thymol-based insecticide.
PB  - Frontiers Media Sa, Lausanne
T2  - Frontiers in Physiology
T1  - Assessment of Sex-Specific Toxicity and Physiological Responses to Thymol in a Common Bean Pest Acanthoscelides obtectus Say
VL  - 13
DO  - 10.3389/fphys.2022.842314
ER  - 
@article{
author = "Lazarević, Jelica and Jevremović, Stojan and Kostić, Igor and Vuleta, Ana and Manitasević-Jovanović, Sanja and Kostic, Miroslav and Seslija-Jovanović, Darka",
year = "2022",
abstract = "Acanthoscelides obtectus Say (Coleoptera: Chrysomelidae: Bruchinae), is one of the most important pests of the common bean Phaseolus vulgaris L. Without appropriate management it may cause significant seed loss in storages. In search for means of environmentally safe and effective protection of beans we assessed biological activity of thymol, an oxygenated monoterpene present in essential oils of many aromatic plants. We studied contact toxicity of thymol on bean seeds and its effects on adult longevity and emergence in F1 generation. Furthermore, we determined acetylcholinesterase (AChE), superoxide dismutase (SOD), catalase (CAT), mixed-function oxidase (MFO), carboxylesterases (CarE) and glutathione S-transferase (GST) activities in response to 24 h exposure of beetles to sublethal and lethal thymol concentrations. Our results showed that thymol decreased adult survival, longevity and percentage of adult emergence. Higher median lethal concentration (LC50) was recorded in females indicating their higher tolerance comparing to males. Overall, activities of SOD, CAT and CarE increased at sublethal and MFO increased at both sublethal and lethal thymol concentrations. On the other hand, GST and AChE activities decreased along with the increase in thymol concentrations from sublethal (1/5 of LC50, 1/2 of LC50) to lethal (LC50). Enzyme responses to the presence of thymol on bean seed were sex-specific. In the control group females had lower CarE and higher SOD, CAT and GST activity than males. In treatment groups, females had much higher CAT activity and much lower CarE activity than males. Our results contribute to deeper understanding of physiological mechanisms underlying thymol toxicity and tolerance which should be taken into account in future formulation of a thymol-based insecticide.",
publisher = "Frontiers Media Sa, Lausanne",
journal = "Frontiers in Physiology",
title = "Assessment of Sex-Specific Toxicity and Physiological Responses to Thymol in a Common Bean Pest Acanthoscelides obtectus Say",
volume = "13",
doi = "10.3389/fphys.2022.842314"
}
Lazarević, J., Jevremović, S., Kostić, I., Vuleta, A., Manitasević-Jovanović, S., Kostic, M.,& Seslija-Jovanović, D.. (2022). Assessment of Sex-Specific Toxicity and Physiological Responses to Thymol in a Common Bean Pest Acanthoscelides obtectus Say. in Frontiers in Physiology
Frontiers Media Sa, Lausanne., 13.
https://doi.org/10.3389/fphys.2022.842314
Lazarević J, Jevremović S, Kostić I, Vuleta A, Manitasević-Jovanović S, Kostic M, Seslija-Jovanović D. Assessment of Sex-Specific Toxicity and Physiological Responses to Thymol in a Common Bean Pest Acanthoscelides obtectus Say. in Frontiers in Physiology. 2022;13.
doi:10.3389/fphys.2022.842314 .
Lazarević, Jelica, Jevremović, Stojan, Kostić, Igor, Vuleta, Ana, Manitasević-Jovanović, Sanja, Kostic, Miroslav, Seslija-Jovanović, Darka, "Assessment of Sex-Specific Toxicity and Physiological Responses to Thymol in a Common Bean Pest Acanthoscelides obtectus Say" in Frontiers in Physiology, 13 (2022),
https://doi.org/10.3389/fphys.2022.842314 . .

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