Nematodes inhabiting the gastrointestinal tract and accessory organs of cricetid rodents in Argentina and Chile: a systematic review.

IF 2.5 3区医学 Q2 PARASITOLOGY

Parasitology Pub Date : 2026-04-23 DOI:10.1017/S0031182026102029

Marlon Mauricio Ardila, Iván Benavides-Céspedes, José D Sarmiento-Roa, Richard Said Thomas, Adriana Santodomingo, Leidi Herrera, Pablo Oyarzún-Ruiz, AnaLía Henríquez, Sebastián Muñoz-Leal, Lucila Moreno, María Del Rosario Robles, Carlos Landaeta-Aqueveque

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引用次数: 0

Abstract

South American ecosystems harbour diverse cricetid rodents and their associated nematode parasites, with implications for ecology and zoonotic risk. We conducted a systematic review following the PRISMA guidelines to catalogue nematode taxa reported from the digestive tract and accessory organs of cricetid rodents in Argentina and Chile. Searches were carried out in five databases (PubMed, WoS, Scopus, SciELO, and Google Scholar) up to 10 January 2026. Parasitological descriptors, such as prevalence (P), mean abundance (_MA), and mean intensity (_MI) were estimated. We analysed 53 studies examining 4400 rodents (33 species), with Abrothrix olivacea (n = 1000 specimens) and Akodon azarae (n = 775 specimens) most frequently sampled. Ninety-two nematode taxa were reported, with A. olivacea exhibiting the highest richness (17 taxa). Guerrerostrongylus zeta showed the highest P (97.56% in Oligoryzomys nigripes), followed by Stilestrongylus stilesi (92.5% in Necromys lasiurus) Peak infection intensities occurred with Stilestrongylus flavescens in O. flavescens (_MA = 72.79/_MI = 126.7) and St. stilesi in N. lasiurus (_MA = 120/_MI = 129.73). This review provides the first comprehensive synthesis of gastrointestinal and hepatopancreatic nematodes in cricetid rodents from Argentina and Chile, highlighting research biases and priorities for advancing our understanding of nematode-cricetid rodent dynamics in the region. The overrepresentation of A. olivacea underscores the need to expand the range of cricetid rodent sampled and to increase the use of non-invasive and molecular diagnostic tools. Addressing these gaps will improve our understanding of nematode diversity and associated zoonotic risks in cricetid rodents in these countries.

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寄生在阿根廷和智利环状啮齿动物胃肠道和附属器官的线虫：系统综述。

南美生态系统中有多种环状啮齿动物及其相关的线虫寄生虫，对生态和人畜共患风险具有影响。我们按照PRISMA指南对阿根廷和智利的环状啮齿动物消化道和附属器官中报告的线虫类群进行了系统综述。截至2026年1月10日，在PubMed、WoS、Scopus、SciELO和b谷歌Scholar等5个数据库中进行了检索。估计了寄生虫学描述符，如患病率(P)、平均丰度（MA）和平均强度（MI）。我们分析了53项研究，共检测了33种4400只啮齿动物，其中最常见的是橄榄阿布思（Abrothrix olivacea）（n = 1000）和阿扎雷（Akodon azarae）（n = 775）。共发现92个线虫类群，其中橄榄线虫（A. olivacea）的丰富度最高（17个）。黑斑小棱棱线虫（Oligoryzomys nigripes）的P值最高，为97.56%，其次为细柄圆线虫（Necromys lasiurus）， P值为92.5%。黄纹圆线虫（O. flavesengus）的粗柄圆线虫（MA = 72.79/MI = 126.7）和粗柄圆线虫（St. stilesus lasiurus）的粗柄圆线虫（MA = 120/MI = 129.73）感染强度最高。这篇综述首次对阿根廷和智利的环状啮齿动物的胃肠道和肝胰腺线虫进行了全面的综合，强调了研究的偏见和重点，以促进我们对该地区环状啮齿动物线虫动力学的理解。橄榄树姬鼠的过度分布表明，有必要扩大采样范围，并增加非侵入性和分子诊断工具的使用。解决这些差距将提高我们对这些国家的线虫多样性和相关的虫患风险的理解。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Parasitology 医学-寄生虫学

CiteScore

4.80

自引率

4.20%

发文量

280

审稿时长

3-8 weeks

期刊介绍： Parasitology is an important specialist journal covering the latest advances in the subject. It publishes original research and review papers on all aspects of parasitology and host-parasite relationships, including the latest discoveries in parasite biochemistry, molecular biology and genetics, ecology and epidemiology in the context of the biological, medical and veterinary sciences. Included in the subscription price are two special issues which contain reviews of current hot topics, one of which is the proceedings of the annual Symposia of the British Society for Parasitology, while the second, covering areas of significant topical interest, is commissioned by the editors and the editorial board.