What does this research mean for the field?

Sublethal short-term exposure to the neonicotinoid acetamiprid induces structural degeneration and cellular stress, indicated by HSP70 and HSP90 overexpression, in the reproductive apparatus of honey bee queens. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To evaluate the impact of short-term sublethal acetamiprid exposure on the ovarian morphology and cellular stress responses in queen honey bees (Apis mellifera).

August 29, 2026Veterinary SciencesOpen Access

Sublethal Acetamiprid Exposure Induces Ovarian Degeneration and HSP70/HSP90 Overexpression in Honey Bee Queens (Apis mellifera)

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Authors

YKYasmine Ait Kara KBKarima Benfodil AHAssia Habbi-Cherifi

Discussion

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Overview

Controlled exposure study demonstrates ovarian degeneration and elevated heat shock proteins in honey bee queens, highlighting threats to colony reproduction.

Key Points

To evaluate the impact of short-term sublethal acetamiprid exposure on the ovarian morphology and cellular stress responses in queen honey bees (Apis mellifera).
Exposed queen honey bees to a sublethal concentration of acetamiprid (20 μg/L) for 7 days.
Evaluated ovarian structural integrity and apoptosis using histological analysis.
Assessed cellular stress and proteostasis alterations by quantifying HSP70 and HSP90 expression via immunohistochemistry.
Sublethal acetamiprid exposure induced marked ovarian damage, including germarium and vitellarium disorganization, cytoplasmic vacuolization, and apoptotic pyknotic nuclei in nurse cells.
Treated queens exhibited significant upregulation of HSP70 and HSP90 proteins in ovarian tissue, demonstrating severe cellular stress.

Cite This Study

Kara et al. (2026) studied this question.

synapsesocial.com/papers/6a9299bb8e5d7d1fc0c11da3 https://doi.org/10.3390/vetsci13090876

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August 29, 2026Veterinary SciencesOpen Access

Sublethal Acetamiprid Exposure Induces Ovarian Degeneration and HSP70/HSP90 Overexpression in Honey Bee Queens (Apis mellifera)

View Full Paper

Ask AI

Bookmark

Authors

YKYasmine Ait Kara KBKarima Benfodil AHAssia Habbi-Cherifi

Discussion

Member takes

Overview

Controlled exposure study demonstrates ovarian degeneration and elevated heat shock proteins in honey bee queens, highlighting threats to colony reproduction.

Key Points

To evaluate the impact of short-term sublethal acetamiprid exposure on the ovarian morphology and cellular stress responses in queen honey bees (Apis mellifera).
Exposed queen honey bees to a sublethal concentration of acetamiprid (20 μg/L) for 7 days.
Evaluated ovarian structural integrity and apoptosis using histological analysis.
Assessed cellular stress and proteostasis alterations by quantifying HSP70 and HSP90 expression via immunohistochemistry.
Sublethal acetamiprid exposure induced marked ovarian damage, including germarium and vitellarium disorganization, cytoplasmic vacuolization, and apoptotic pyknotic nuclei in nurse cells.
Treated queens exhibited significant upregulation of HSP70 and HSP90 proteins in ovarian tissue, demonstrating severe cellular stress.

Cite This Study

Kara et al. (2026) studied this question.

synapsesocial.com/papers/6a9299bb8e5d7d1fc0c11da3 https://doi.org/10.3390/vetsci13090876

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