蜜蜂保姆过滤杀菌剂残留物,以保持幼虫健康。

IF 8.1 1区 生物学 Q1 BIOCHEMISTRY & MOLECULAR BIOLOGY
Current Biology Pub Date : 2024-12-02 Epub Date: 2024-10-29 DOI:10.1016/j.cub.2024.10.008
Karoline Wueppenhorst, Abdulrahim T Alkassab, Hannes Beims, Gabriela Bischoff, Ulrich Ernst, Elsa Friedrich, Ingrid Illies, Martina Janke, Julia Kehmstedt, Wolfgang H Kirchner, Richard Odemer, Silvio Erler
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引用次数: 0

摘要

由于觅食的蜜蜂会采集受污染的花蜜和花粉并带回蜂巢,因此在蜜蜂的基质中经常会检测到植物保护产品(PPPs)的残留物1,2,3,4,5,6。7 直接口服、觅食过程中接触或与受污染的蜂巢材料相互作用,都有可能接触到 PPPs。8,9 污染物会对成年工蜂、10,11 蜂王、12,13 雄蜂(雄蜂)14 或幼虫15,16 的健康造成危害,并可能影响蜂群的健康和生产力。然而,不同分析基质中的残留物浓度会有很大差异,而且潜在的累积或稀释步骤尚未得到广泛调查。尽管研究为了解污染风险提供了有价值的见解,但我们对从田间到觅食者、贮藏产品、哺育蜂,最后到食用果冻(即蜂王浆、工蜂浆和无人机浆)和幼虫的整个途径(包括所有可能的加工步骤)的了解仍然存在差距17。我们分析了样品在整个过程中的残留情况。从储存产品到哺育蜂头部的杀菌剂残留量减少了 8-80 倍,这表明哺育蜂具有过滤功能。此外,在幼虫食用的果冻中检测到的残留物来自添加的花粉,而非哺育蜂的分泌物。计算出的风险商至少是阈值的两倍,表明在测试的施用量下,这些杀菌剂对蜜蜂群落的风险很低。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Nurse honey bees filter fungicide residues to maintain larval health.

Residues of plant protection products (PPPs) are frequently detected in bee matrices1,2,3,4,5,6 due to foraging bees collecting contaminated nectar and pollen, which they bring back to their hive. The collected material is further used by nurse bees to produce glandular secretions for feeding their larvae.7 Potential exposure to PPPs occurs through direct oral ingestion, contact during foraging, or interaction with contaminated hive material.8,9 Contaminants can pose health risks to adult worker bees,10,11 queens,12,13 drones (males),14 or larvae,15,16 potentially impacting colony health and productivity. However, residue concentrations can vary significantly between analyzed matrices, and potential accumulation or dilution steps have not been widely investigated. Although research has provided valuable insights into contamination risks, there remain gaps in our understanding of the entire pathway from field, via foragers, stored products, nurse bees, and finally to food jelly, i.e., royal, worker, and drone jelly, and the larvae, including all possible processing steps.17 We collected samples of bee-relevant matrices following the in-field spray application of the product Pictor Active, containing the fungicides boscalid and pyraclostrobin. The samples were analyzed for residues along this entire pathway. Fungicide residues were reduced by a factor of 8-80 from stored product to nurse bees' heads, suggesting a filtering function of nurse bees. Furthermore, detected residues in larval food jelly resulted from added pollen and not from nurse bee secretions. Calculated risk quotients were at least twice as low as the threshold values, suggesting a low risk to honey bee colonies from these fungicides at the tested application rate.

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来源期刊
Current Biology
Current Biology 生物-生化与分子生物学
CiteScore
11.80
自引率
2.20%
发文量
869
审稿时长
46 days
期刊介绍: Current Biology is a comprehensive journal that showcases original research in various disciplines of biology. It provides a platform for scientists to disseminate their groundbreaking findings and promotes interdisciplinary communication. The journal publishes articles of general interest, encompassing diverse fields of biology. Moreover, it offers accessible editorial pieces that are specifically designed to enlighten non-specialist readers.
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