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14 Results Found

  • Article
  • Open Access
13 Citations
3,973 Views
14 Pages

26 August 2020

Probiotics have been proposed as one of the alternatives to the chemical treatments currently used in aquaculture. Recently, the possible usefulness of certain microorganisms, mainly bacteria, has been highlighted as a potential biocontrol for saprol...

  • Article
  • Open Access
9 Citations
3,204 Views
15 Pages

Limited Probiotic Effect of Enterococcus gallinarum L1, Vagococcus fluvialis L21 and Lactobacillus plantarum CLFP3 to Protect Rainbow Trout against Saprolegniosis

  • Juan-Miguel Fregeneda-Grandes,
  • Concepción González-Palacios,
  • Tania Pérez-Sánchez,
  • Daniel Padilla,
  • Fernando Real and
  • José-Miguel Aller-Gancedo

6 March 2023

Previous studies have demonstrated that the strains Enterococcus gallinarum L1, Vagococcus fluvialis L21 and Lactobacillus plantarum CLFP3 are probiotics against vibriosis or lactococosis in sea bass or rainbow trout. In this study, the utility of th...

  • Review
  • Open Access
19 Citations
6,964 Views
30 Pages

22 May 2022

Amphibians constitute the class of vertebrates with the highest proportion of threatened species, with infectious diseases being considered among the greatest causes for their worldwide decline. Aquatic oomycetes, known as “water molds”,...

  • Article
  • Open Access
6 Citations
3,964 Views
20 Pages

Specific Phylotypes of Saprolegnia parasitica Associated with Atlantic Salmon Freshwater Aquaculture

  • Kypher Varin Shreves,
  • Marcia Saraiva,
  • Tahmina Ruba,
  • Claire Miller,
  • E. Marian Scott,
  • Debbie McLaggan and
  • Pieter van West

9 January 2024

Saprolegniosis is a major destructive disease in freshwater aquaculture. The destructive economic impact of saprolegniosis on freshwater aquaculture necessitates further study on the range of Saprolegnia species within Atlantic salmon fish farms. Thi...

  • Article
  • Open Access
1 Citations
1,829 Views
15 Pages

We have investigated the changes in the microbial communities on the surface of trout eggs and the skin of adult trout in relation to the presence of Saprolegnia parasitica. This pathogen causes saprolegniosis, a disease responsible for significant l...

  • Article
  • Open Access
6 Citations
3,214 Views
12 Pages

Variations in the Sporulation Efficiency of Pathogenic Freshwater Oomycetes in Relation to the Physico-Chemical Properties of Natural Waters

  • Dora Pavić,
  • Dorotea Grbin,
  • Marija Gregov,
  • Josip Ćurko,
  • Tomislav Vladušić,
  • Lidija Šver,
  • Anđela Miljanović and
  • Ana Bielen

Oomycete pathogens in freshwaters, such as Saprolegnia parasitica and Aphanomyces astaci, are responsible for fish/crayfish population declines in the wild and disease outbreaks in aquaculture. Although the formation of infectious zoospores in the la...

  • Article
  • Open Access
3 Citations
3,061 Views
9 Pages

Chemical Analysis and In Vitro Bioactivity of Essential Oil of Laurelia sempervirens and Safrole Derivatives against Oomycete Fish Pathogens

  • Alejandro Madrid,
  • Ana Lizeth Morales,
  • Valentina Saffirio,
  • Mauricio A. Cuellar,
  • Enrique Werner,
  • Bastián Said,
  • Patricio Godoy,
  • Nelson Caro,
  • Mirna Melo and
  • Iván Montenegro

29 October 2021

In this study, the essential oil (EO) from Laurelia sempervirens was analyzed by GC/MS and safrole (1) was identified as the major metabolite 1, was subjected to direct reactions on the oxygenated groups in the aromatic ring and in the side chain, an...

  • Article
  • Open Access
4 Citations
3,200 Views
16 Pages

New Insights into the Morphological Diversity of Saprolegnia parasitica (Oomycota) Strains under In Vitro Culture Conditions

  • Noémi Erdei,
  • Tímea Hardy,
  • Viktória Verebélyi,
  • András Weiperth,
  • Ferenc Baska and
  • Edit Eszterbauer

29 September 2023

Saprolegnia parasitica Coker, 1923 is a primary fish pathogen and one of the most common water molds in freshwater ecosystems. In our study, nineteen strains of S. parasitica were isolated, identified, and characterized using morphological and geneti...

  • Case Report
  • Open Access
2 Citations
4,202 Views
12 Pages

The First Report on Saprolegnia parasitica and Neoparamoeba perurans Isolated from Atlantic Salmon (Salmo salar) Reared in Korea

  • Dong-Hwi Kim,
  • Min-Soo Joo,
  • Soo-Ji Woo,
  • Kwang-Tae Son,
  • Woo-Seok Hong,
  • Mun-Chang Park,
  • Jin-Chul Park and
  • Sung-Oh Park

This study is the first report of parasite and fungal disease separated from domestically reared Atlantic salmon in Korea; the characteristics of the pathogens were identified, and histopathological analysis was conducted. Fungal and parasitic diseas...

  • Article
  • Open Access
17 Citations
10,489 Views
15 Pages

Animals and plants are increasingly threatened by emerging fungal and oomycete diseases. Amongst oomycetes, Saprolegnia species cause population declines in aquatic animals, especially fish and amphibians, resulting in significant perturbation in bio...

  • Article
  • Open Access
2,098 Views
16 Pages

Potential Protective Role of Amphibian Skin Bacteria Against Water Mold Saprolegnia spp.

  • Sara Costa,
  • Diogo Neves Proença,
  • Artur Alves,
  • Paula V. Morais and
  • Isabel Lopes

2 September 2025

Amphibian populations have experienced a severe decline over the past 40 years, driven primarily by environmental pollution, habitat destruction, climate change, and disease. This work reports, for the first time, saprolegniosis in Pelophylax perezi...

  • Article
  • Open Access
7 Citations
4,297 Views
14 Pages

Essential Oils of Sage, Rosemary, and Bay Laurel Inhibit the Life Stages of Oomycete Pathogens Important in Aquaculture

  • Anđela Miljanović,
  • Dorotea Grbin,
  • Dora Pavić,
  • Maja Dent,
  • Igor Jerković,
  • Zvonimir Marijanović and
  • Ana Bielen

15 August 2021

Saprolegnia parasitica, the causative agent of saprolegniosis in fish, and Aphanomyces astaci, the causative agent of crayfish plague, are oomycete pathogens that cause economic losses in aquaculture. Since toxic chemicals are currently used to contr...

  • Article
  • Open Access
14 Citations
4,273 Views
15 Pages

Detection and Quantification of the Oomycete Saprolegnia parasitica in Aquaculture Environments

  • Tiina Korkea-aho,
  • Tom Wiklund,
  • Christine Engblom,
  • Anssi Vainikka and
  • Satu Viljamaa-Dirks

Saprolegnia parasitica induces heavy mortality in aquaculture. The detection of S. parasitica is often time consuming and uncertain, making it difficult to manage the disease. We validated a previously published real-time quantitative PCR (qPCR) assa...

  • Article
  • Open Access
1 Citations
4,925 Views
18 Pages

28 June 2024

The marine Streptomyces harbor numerous biosynthetic gene clusters (BGCs) with exploitable potential. However, many secondary metabolites cannot be produced under laboratory conditions. Co-culture strategies of marine microorganisms have yielded nove...