Co-occurrence and niche overlap among gill parasites of the white mullet (Mugil curema Valenciennes, 1836) (Osteichthyes: Mugilidae) from the western Atlantic, Brazil

Falkenberg, Julia Martini; Lacerda, Ana Carolina Figueiredo; Vieira, Gustavo H. C.

doi:10.1007/s00436-020-07015-5

Cited by 2 publications

(2 citation statements)

References 48 publications

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“…In addition, the infection levels by L. brasiliensis were higher than that reported for this same host from the estuary of the State of Paraiba, which was infected by Ligophorus mugilinus (Hargis, 1955) (Golzio et al 2017). Falkenberg et al (2021) reported rst time the record of L. brasiliensis for M. curema. Therefore, this is the second record of L. brasiliensis for M. curema.…”

Section: Discussionmentioning

confidence: 60%

“…and Metamicrocotyla macracantha (Alexander, 1954), and digenean Ascocotyle sp. metacercariae (Amado & Rocha, 1995;Fonsêca et al 2000;Cavalcanti et al 2005;Cavalcanti et al 2011;Namba et al 2012;Moutinho & Alves 2014;Golzio et al 2017;Esteves-Silva et al 2020;Falkenberg et al 2021). However, parasites of M. curema from the Amapá State estuary have not been addressed.…”

Section: Introductionmentioning

confidence: 99%

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Ectoparasites infecting Mugil curema (Mugiliformes: Mugilidae) in Amapá state estuary, in the northern Brazilian coast region

Santos¹,

Esteves-Silva

Costa-Campos

et al. 2021

J Parasit Dis

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In sh, one of the most important interactions is that occur between parasite species and environment.Wild sh interactions with parasites of different taxa can result in diseases for sh and consequently damages to the shing industry. This study investigated the ectoparasite fauna in Mugil curema in Amapá state estuary, in Brazilian coast region. The parasite prevalence was 51.4%, and a total of 282 parasites were collected among Ligophorus brasiliensis (Dactylogyridae), Excorallana longicornis (Corallanidae), larvae of Gnathia sp. (Gnathiidae) and Ergasilus atafonensis (Ergasilidae), but the dominance was of L. brasiliensis. The parasites presented highly aggregated dispersion, except for Gnathia sp. that had a random dispersion. There was a predominance of hosts parasitized by zero and one species. The relative condition factor did not differ between parasitized and non-parasitized sh. The body size of hosts did not in uence the parasite abundance. The community of ectoparasites consisted of low species richness with low infection levels. This is the rst study on parasites of sh from the coast of the State of Amapá and is the rst report of Gnathia sp. for M. curema.

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Section: Discussionmentioning

confidence: 60%

Section: Introductionmentioning

confidence: 99%

Ectoparasites infecting Mugil curema (Mugiliformes: Mugilidae) in Amapá state estuary, in the northern Brazilian coast region

Santos¹,

Esteves-Silva

Costa-Campos

et al. 2021

J Parasit Dis

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Oxidative stress, gene expression and histopathology of cultured gilthead sea bream (Sparus aurata) naturally co-infected with Ergasilus sieboldi and Vibrio alginolyticus

Abou-Okada,

Rashad,

Ali

et al. 2023

BMC Vet Res

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Background Parasitic and bacterial co-infections have been associated with increasing fish mortalities and severe economic losses in aquaculture through the past three decades. The aim of this study was to evaluate the oxidative stress, histopathology, and immune gene expression profile of gilthead sea bream (Sparus aurata) co-infected with Ergasilus sieboldi and Vibrio alginolyticus. Results Vibrio alginolyticus and Ergasilus sieboldi were identified using 16 S rRNA and 28 S rRNA sequencing, respectively. The collagenase virulence gene was found in all Vibrio alginolyticus isolates, and the multiple antimicrobial resistance index ranged from 0.286 to 0.857. Oxidant-antioxidant parameters in the gills, skin, and muscles of naturally infected fish revealed increased lipid peroxidation levels and a decrease in catalase and glutathione antioxidant activities. Moreover, naturally co-infected gilthead sea bream exhibited substantial up-regulation of il-1β, tnf-α, and cyp1a1. Ergasilus sieboldi encircled gill lamellae with its second antennae, exhibited severe gill architectural deformation with extensive eosinophilic granular cell infiltration. Vibrio alginolyticus infection caused skin and muscle necrosis in gilthead sea bream. Conclusion This study described some details about the gill, skin and muscle tissue defense mechanisms of gilthead sea bream against Ergasilus sieboldi and Vibrio alginolyticus co-infections. The prevalence of co-infections was 100%, and no resistant fish were detected. These co-infections imbalance the health status of the fish by hampering the oxidant-antioxidant mechanisms and proinflammatory/inflammatory immune genes to a more detrimental side. Our results suggest that simultaneous screening for bacterial and parasitic pathogens should be considered.

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Co-occurrence and niche overlap among gill parasites of the white mullet (Mugil curema Valenciennes, 1836) (Osteichthyes: Mugilidae) from the western Atlantic, Brazil

Cited by 2 publications

References 48 publications

Ectoparasites infecting Mugil curema (Mugiliformes: Mugilidae) in Amapá state estuary, in the northern Brazilian coast region

Ectoparasites infecting Mugil curema (Mugiliformes: Mugilidae) in Amapá state estuary, in the northern Brazilian coast region

Oxidative stress, gene expression and histopathology of cultured gilthead sea bream (Sparus aurata) naturally co-infected with Ergasilus sieboldi and Vibrio alginolyticus

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