Massive subcutaneous filariosis by Filaria martis in beech marten (Martes foina) in Italy

IF 2 Q3 INFECTIOUS DISEASES

Parasite Epidemiology and Control Pub Date : 2025-02-01 DOI:10.1016/j.parepi.2024.e00406

Giovanni Sgroi , Ranju Ravindran Santhakumar Manoj , Ettore Napoli , Nicola D'Alessio , Maria Gabriella Lucibelli , Claudio de Martinis , Esterina De Carlo , Peyman Khademi , Alireza Sazmand , Vincenzo Veneziano

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引用次数: 0

Abstract

The beech marten (Martes foina) is a small-size mustelid endangered according to the IUCN Red List. Despite the plethora of parasites potentially affecting its population decline, subcutaneous filarioids are occasionally reported in martens and their competent arthropod vectors are to date unknown. Therefore, from January 2023 to August 2024, this study investigated the presence of subcutaneous filarioids and ectoparasites of road-killed beech martens (n = 7) from southwestern Italy. One marten (14.3 %, 95 % CI: 2.6–51.3) was massively infected with subcutaneous filarioids, i.e., 18 specimens (11 males and 7 females) in the dorso-posterior region, where mild redness and sloughing of skin were found. All the filarioids were identified as Filaria martis via morphology and Sanger sequencing of the cytochrome c oxidase subunit I (cox1) gene that revealed a single sequence type (GenBank accession number PQ034642) having 100 % nucleotide identity with those available in the literature. The phylogenetic analysis displayed a bootstrap value of 100 % between the cox1 sequences of F. martis of this study and those of beech martens from Italy and European minks from Spain. Haemolymph, gut, and salivary glands of the Ixodes ricinus ticks collected from the infected marten scored negative for F. martis larvae and DNA by dissection and PCR, respectively. This study reported for the first time F. martis subcutaneous filariosis in southwestern Italy, previously outlined only in northern and southeastern areas, indicating the circulation of this poorly investigated filarioid. Knowledge of the competent vectors involved in the biological cycle of F. martis requires further experimental studies.

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来源期刊

Parasite Epidemiology and Control Medicine-Infectious Diseases

CiteScore

5.70

自引率

3.10%

发文量

审稿时长

17 weeks

期刊介绍： Parasite Epidemiology and Control is an Open Access journal. There is an increasing amount of research in the parasitology area that analyses the patterns, causes, and effects of health and disease conditions in defined populations. This epidemiology of parasite infectious diseases is predominantly studied in human populations but also spans other major hosts of parasitic infections and as such this journal will have a broad remit. We will focus on the major areas of epidemiological study including disease etiology, disease surveillance, drug resistance and geographical spread and screening, biomonitoring, and comparisons of treatment effects in clinical trials for both human and other animals. We will also look at the epidemiology and control of vector insects. The journal will also cover the use of geographic information systems (Epi-GIS) for epidemiological surveillance which is a rapidly growing area of research in infectious diseases. Molecular epidemiological approaches are also particularly encouraged.