瓜果提取物对蜱螨卵巢的组织病理学影响

IF 1.8 2区 农林科学 Q2 ENTOMOLOGY Experimental and Applied Acarology Pub Date : 2024-02-01 Epub Date: 2024-02-12 DOI:10.1007/s10493-023-00895-z
Asmaa Ali Baioumy Ali, Ashraf Ahmed Montasser, Salma Nabil Ahmed Mohamed
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引用次数: 0

摘要

Hyalomma dromedarii 是寄生在埃及骆驼身上的主要蜱虫物种,会导致幼畜死亡,造成经济损失。它能向动物和人类传播许多病原体,如克里米亚-刚果出血热病毒、多里病毒、卡达姆病毒、环状蜱螨和斑点热立克次体。持续使用化学杀螨剂会对环境造成负面影响,几乎会导致杀螨剂产生抗药性,因此植物提取物是控制蜱虫的替代方法。本研究旨在评估雌性草履虫卵巢浸泡在瓜果乙醇提取物(100 毫克/毫升)中后的组织病理学影响。光镜、扫描显微镜和透射电子显微镜观察结果表明,壳斗对卵母细胞造成了广泛的破坏。卵母细胞内部细胞器被破坏,卵黄发生延迟和/或受到抑制。这是首次用组织学方法研究 H. dromedarii 的卵巢在使用可乐果乙醇提取物处理后受到的损害。所提供的数据表明,该植物提取物通过直接进入卵母细胞和/或间接破坏肠道细胞和消化血液影响卵母细胞的发育,从而对卵巢产生影响,因此它可以作为一种很有前景的蜱虫控制剂。
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Histopathological effects of the fruit extract of Citrullus colocynthis on the ovary of the tick Hyalomma dromedarii.

Hyalomma dromedarii is the predominant tick species parasitizing camels in Egypt which leads to mortalities in young animals that result in economic losses. It can transmit a lot of pathogens to animals and humans, such as the Crimean-Congo hemorrhagic fever virus, the Dhori virus, Kadam virus, Theileria annulata and spotted fever rickettsia. The continuous use of chemical acaricides has negative impact on the environment and almost led to acaricidal resistance, and hence the plant extracts represent alternative methods for controlling ticks. The present study was carried out to assess the histopathological effects on the ovary of fed female Hyalomma dromedarii following immersion in the ethanolic extract of fruits of Citrullus colocynthis (100 mg/mL). Light, scanning and transmission electron microscopy observations provided evidence that Citrullus colocynthis caused extensive damage to oocytes. Destruction of the internal organelles of oocytes, along with delay and/or inhibition of vitellogenesis were demonstrated. This is the first histological study that points to damage in H. dromedarii ovaries following treatment with the ethanolic extract of fruits of C. colocynthis. The data presented suggest that the plant extract affects the ovary either directly by entering the oocytes and/or indirectly by damaging the gut cells and digestion of blood that interfere with the development of oocytes, so it can be used as a promising agent for tick control.

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来源期刊
CiteScore
3.90
自引率
9.10%
发文量
81
审稿时长
4-8 weeks
期刊介绍: Experimental and Applied Acarology publishes peer-reviewed original papers describing advances in basic and applied research on mites and ticks. Coverage encompasses all Acari, including those of environmental, agricultural, medical and veterinary importance, and all the ways in which they interact with other organisms (plants, arthropods and other animals). The subject matter draws upon a wide variety of disciplines, including evolutionary biology, ecology, epidemiology, physiology, biochemistry, toxicology, immunology, genetics, molecular biology and pest management sciences.
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