The fishing area as a possible indicator of the infection by anisakids in anchovies (Engraulis encrasicolus) from southwestern Europe

Rello, Francisco Javier; Adroher, Francisco Javier; Benı́tez, Rocı́o; Valero, A.

doi:10.1016/j.ijfoodmicro.2008.12.009

Cited by 90 publications

(83 citation statements)

References 25 publications

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“…Bioaccumulation of anisakids that leads to the accumulation of hundreds of parasites in the paratenic host has been described in many studies (21,23,30). Mladineo (43) reported a negative correlation for anchovies and a significant positive correlation for hake, while in a more recent work (25), the same author reported a high positive correlation for anchovies.…”

Section: Discussionmentioning

confidence: 96%

“…in the Mediterranean (19)(20)(21)(22) and the Adriatic Sea (23)(24)(25), an updated assessment of infection levels in commercial fish species is important for the implementation of risk analysis. In coastal parts of the Adriatic, traditional home-made, thermally unprocessed fish, mostly pickled, marinated, or salted anchovies and sardines, are particularly well-kown ethnic dishes that need to be considered in relation to Anisakis infection in humans, and also because their elevated consumption correlates with the tourist season in the Adriatic.…”

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confidence: 99%

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Ecology and Genetic Structure of Zoonotic Anisakis spp. from Adriatic Commercial Fish Species

Mladineo

Poljak

2014

Appl Environ Microbiol

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Consumption of raw or thermally inadequately treated fishery products represents a public health risk, with the possibility of propagation of live Anisakis larvae, the causative agent of the zoonotic disease anisakidosis, or anisakiasis. We investigated the population dynamics of Anisakis spp. in commercially important fish-anchovies (Engraulis encrasicolus), sardines (Sardina pilchardus), European hake (Merluccius merluccius), whiting (Merlangius merlangus), chub mackerel (Scomber japonicus), and Atlantic bluefin tuna (Thunnus thynnus)-captured in the main Adriatic Sea fishing ground. We observed a significant difference in the numbers of parasite larvae (1 to 32) in individual hosts and between species, with most fish showing high or very high Anisakis population indices. Phylogenetic analysis confirmed that commercial fish in the Adriatic Sea are parasitized by Anisakis pegreffii (95.95%) and Anisakis simplex sensu stricto (4.05%). The genetic structure of A. pegreffii in demersal, pelagic, and top predator hosts was unstructured, and the highest frequency of haplotype sharing (n ‫؍‬ 10) was between demersal and pelagic fish.

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Section: Discussionmentioning

confidence: 96%

mentioning

confidence: 99%

Ecology and Genetic Structure of Zoonotic Anisakis spp. from Adriatic Commercial Fish Species

Mladineo

Poljak

2014

Appl Environ Microbiol

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“…The parameters of infection of H. aduncum L3 larvae in European anchovy outside the Baltic Sea varied. Off the coast of Gibraltar (Atlantic), the prevalence and intensity were 4.5% and 1 -6, respectively (Rello et al 2009). In the Mediterranean Sea these parameters were 3.7% -20.43% and 1 -78, respectively (Cuéllar et al 1991, Rello et al 2009, Martínez and Casadevall 2010.…”

Section: Discussionmentioning

confidence: 99%

“…The literature (e.g., Fioravanti et al 2006, Rello et al 2009, Martínez and Casadevall 2010 shows H. aduncum to be, in addition to Anisakis simplex (Anisakidae), the most frequent parasite of the European anchovy. In many countries anchovies are consumed by humans, so anchovies are often the subject of parasitological studies.…”

Section: Discussionmentioning

confidence: 99%

Nematodes found in the European anchovy (Engraulis encrasicolus), a rare visitor to the Baltic Sea

Kulikowski

Rolbiecki

Skóra

et al. 2012

Oceanological and Hydrobiological Studies

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The European anchovy, Engraulis encrasicolus (Linnaeus, 1758), enters the Baltic Sea only occasionally. Little is known about the parasites that inhabit this fish in the northern part of its natural range (north-eastern Atlantic). This study is based on 32 anchovies sampled in autumn 2006 from a substantial bycatch accompanying sprat in the Gulf of Gdańsk (southern Baltic Sea).The fish were examined using standard parasitological procedures, and yielded 10 L3 larvae of the nematode Hysterothylacium aduncum (Rudolphi, 1802). The prevalence and the intensity (mean and range) were 21.9%, 1.4, and 1-4, respectively.

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“…L3 Hysterothylacium aduncum migrate from the digestive tract to the mesentery and the peritoneal cavity, and, sometimes, to the muscle tissue of the host (Rello et al 2008(Rello et al , 2009). Since tissue-migrating parasites use both mechanical and enzymatic processes for host tissue penetration (Karanu et al 1993), they must have the 'tools' required to degrade the components of the extracellular matrix, as in the case of Strongyloides stercoralis ).…”

Section: Introductionmentioning

confidence: 99%

Collagenolytic activity related to metalloproteases (and serine proteases) in the fish parasite Hysterothylacium aduncum (Nematoda: Anisakidae)

Malagón

Adroher

López³

et al. 2010

Dis. Aquat. Org.

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Proteases play a vital role in both the life cycle of parasites and the parasite-host relationship and are considered important virulence factors. In the present study, the presence of proteases with collagenolytic activity was investigated in the fish nematode Hysterothylacium aduncum during in vitro development. Collagenolytic activity was found in all studied developmental stages of the nematode (third [L3] and fourth [L4] larval stages and adults). In L3, the activity was maximum at pH 6.5 and, in the other stages, at 7.0. Pepsin is known to favour in vitro development of the worm, but, in this study, collagenolytic activity was shown to be significantly greater when no pepsin was added to the culture medium (at pH 6.5, p = 0.011). At pH 7.0, most activity was observed in the immature adult, after the final moult, suggesting that the collagenolytic activity may be involved in remodelling of the cuticle and in sexual maturity. On the other hand, at pH 6.5, activity may be related to tissue migration by L3 within the host. Using specific inhibitors, it was demonstrated that most of the collagenolytic activity detected in all the developmental stages was due to metalloproteases (40 to 100%), although serine proteases were also detected in L4 and adults (10 to 30%).

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The fishing area as a possible indicator of the infection by anisakids in anchovies (Engraulis encrasicolus) from southwestern Europe

Cited by 90 publications

References 25 publications

Ecology and Genetic Structure of Zoonotic Anisakis spp. from Adriatic Commercial Fish Species

Ecology and Genetic Structure of Zoonotic Anisakis spp. from Adriatic Commercial Fish Species

Nematodes found in the European anchovy (Engraulis encrasicolus), a rare visitor to the Baltic Sea

Collagenolytic activity related to metalloproteases (and serine proteases) in the fish parasite Hysterothylacium aduncum (Nematoda: Anisakidae)

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