Molecular epidemiology of Anisakis spp. in blue whiting Micromesistius poutassou in eastern waters of Spain, western Mediterranean Sea

Molina-Fernández, Dolores; Rubio-Calvo, Daniel; Adroher, Francisco Javier; Benı́tez, Rocı́o

doi:10.1016/j.ijfoodmicro.2018.05.026

Cited by 23 publications

(18 citation statements)

References 30 publications

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“…Considering the prevalence and abundance registered, all of them could represent a high risk of infection when consumed raw, marinated or poorly cooked, if not being adequately frozen beforehand. In general, this observation is in accordance with other results previously reported [20][21][22][23][24][25][26][27][28][29][30].…”

Section: Discussionsupporting

confidence: 93%

“…In total 52.90% of the fish captured in the Atlantic were parasitized by Anisakis type I larvae, whereas the percentage was only 11.92 from the Mediterranean. This finding is in accordance with previous studies carry out in various teleost species [11,21,26,42,[51][52][53]. Therefore, the origin of the fish should be taken into consideration by consumers in order to minimize the infection risk.…”

Section: Discussionsupporting

confidence: 92%

“…Results concerning the blue whiting, assessed previously in depth by Madrid et al [31], are in agreement with other studies, confirming this as one of the most parasitized fish species [20][21][22]. The blue whiting is one of the main fin fish species consumed in Spain [32], due to its low cost and its easy mode of preparation.…”

Section: Discussionsupporting

confidence: 88%

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Prevalence and Risk of Anisakid Larvae in Fresh Fish Frequently Consumed in Spain: An Overview

Debenedetti

Madrid

Trelis

et al. 2019

Fishes

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Anisakidosis is a fish-borne zoonosis caused by parasitic nematodes of the family Anisakidae, of which the species belonging to Anisakis simplex complex are the most representative. It is considered an emerging disease in Spain. The objective of this study is to analyse the presence of larvae in fish frequently consumed in Spanish supermarkets, inferring the risk of infection. In total 1,786 specimens of 9 different fish species, from two geographical origins (Atlantic and Mediterranean), acquired fresh and not eviscerated were examined for anisakid nematodes. Analysis showed that 33.7% of the samples were parasitized by Anisakis larvae. The horse mackerel (Trachurus trachurus) presented the highest total prevalence (66.0%), followed by the silver hake (Merluccius bilinearis) (59.5%), the mackerel (Scomber scombrus) (58.4%), the blue whiting (Micromesistius poutassou) (53.9%) and the European hake (Merlucius merlucius) (45.0%). In general, the prevalence was higher in Atlantic than in Mediterranean fish. In all the species analysed, a higher presence of the parasite was detected in the viscera than in the flesh, although in the most parasitized species a noteworthy prevalence and abundance was observed in the flesh. In conclusion, risk factors, like fish species and origin, should be considered by consumers, in addition of following the recommendations established by Commission Regulation (EU) No1276/2011 and the Spanish Royal Decree 1420/2006.

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Section: Discussionsupporting

confidence: 93%

Section: Discussionsupporting

confidence: 92%

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Prevalence and Risk of Anisakid Larvae in Fresh Fish Frequently Consumed in Spain: An Overview

Debenedetti

Madrid

Trelis

et al. 2019

Fishes

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“…Regarding the plerocercoid, the prevalences that we found in this study were similar to those reported for tetraphyllidean plerocercoids in the NE Atlantic Ocean (MacKenzie, ), but there is no previous record of Tetraphyllidea in M. poutassou from the Mediterranean Sea. After comparing anisakids in M. poutassou from the NW Mediterranean Sea (this study) with anisakids found elsewhere (Molina‐Fernández et al, ), it can be seen that the fishing area is a potential indicator of the infection by anisakids (Molina‐Fernández et al, ; Rello et al, ). Comparatively, our results for Anisakis spp.…”

Section: Discussionmentioning

confidence: 64%

“…Despite its commercial importance, however, information regarding its biology is lacking or out of date and mostly restricted to Atlantic stocks, while data on Mediterranean populations remains scarce (Bailey, ; Bas & Calderon‐Aguilera, ). Similarly, while there is an extensive bibliography available on the prevalence and intensity of anisakid nematodes (Molina‐Fernández et al, ), few studies exist on infection by other nematodes and most of these concern Atlantic Ocean waters and have not been updated (MacKenzie, ).…”

Section: Introductionmentioning

confidence: 99%

Trade‐offs between life‐history traits in a coldwater fish in the Mediterranean Sea: the case of blue whiting Micromesistius poutassou

Serrat

Lloret

Frigola‐Tepe

et al. 2019

Journal of Fish Biology

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A combination of traditional and emerging methodologies was used to assess the trade‐offs between several life‐history traits (linked to reproduction and condition) and parasitism in a commercially‐exploited cold‐water species, blue whiting Micromesistius poutassou, in the Mediterranean Sea. The use of histological and gravimetric methods revealed conflicting evidence as to the fecundity type (indeterminate or determinate) of this species. Moreover, there seem to be condition‐mediated compensations between egg quality and egg quantity. The effects of parasitism on reproduction and condition are species‐specific and occur mainly at high intensities of infection; they include a lower batch fecundity (affecting reproductive potential), a higher hepatosomatic index and a higher spleen‐somatic index. Considering the fact that larger fish spawn more eggs and that the minimum landing size is lower than the size at maturity, these results may have implications for the future management of M. poutassou stocks in the Mediterranean Sea. Local environmental conditions may account for geographical differences regarding infection in M. poutassou. Altogether, the results support the idea that the complex trade‐offs between parasitism, reproduction and condition need to be considered in order to understand the status of cold‐water species such as M. poutassou.

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A scanning electron microscopy study of Anisakis physeteris molecularly identified: from third stage larvae from fish to fourth stage larvae obtained in vitro

2018

Self Cite

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The development of the fourth larval stage (L4) of Anisakis physeteris was studied using scanning electron microscopy (SEM), comparing it with third larval stage (L3) recently obtained from the host fish, blue whiting (Micromesistius poutassou), from the western Mediterranean Sea (east coast of Spain, zone FAO 37.1.1). After molting to L4, samples of the parasite were examined at different times in order to observe their development. Following collection of the L4, a small portion was taken from the middle of the larva for molecular identification, confirming in all cases that it was A. physeteris. The anterior and posterior sections of the larvae were prepared for morphological study by SEM. The development of a row of denticles on each of the three prominent lips, almost reaching the buccal commisures, was observed in the L4. Pores of unknown function were found in the upper external part of each lip. Clearly developed cephalic papillae, amphids, and deirids were also observed in L4, while, although present in L3, these were beneath the cuticle. Phasmids were detected in L4 but not in L3. The L4 tail finished in a conical lobe with a blunt point, absent in L3. In the oldest L4, some preanal papillae were observed beneath the cuticle in males, while, in females, the vulva could be seen by light microscopy, apparently still covered by the cuticle.

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Molecular epidemiology of Anisakis spp. in blue whiting Micromesistius poutassou in eastern waters of Spain, western Mediterranean Sea

Cited by 23 publications

References 30 publications

Prevalence and Risk of Anisakid Larvae in Fresh Fish Frequently Consumed in Spain: An Overview

Prevalence and Risk of Anisakid Larvae in Fresh Fish Frequently Consumed in Spain: An Overview

Trade‐offs between life‐history traits in a coldwater fish in the Mediterranean Sea: the case of blue whiting Micromesistius poutassou

A scanning electron microscopy study of Anisakis physeteris molecularly identified: from third stage larvae from fish to fourth stage larvae obtained in vitro

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