Results 1 to 10 of about 75 (69)

De Novo Transcriptome Assembly and Analysis of the Flat Oyster Pathogenic Protozoa Bonamia Ostreae [PDF]

Frontiers in Cellular and Infection Microbiology, 2022
The flat oyster Ostrea edulis is an oyster species native to Europe. It has declined to functional extinction in many areas of the NE Atlantic for several decades.
Germain Chevignon, Aurélie Dotto-Maurel, Delphine Serpin, Bruno Chollet, Isabelle Arzul   +4 more
doaj   +2 more sources

First characterization of the parasite Haplosporidium costale in France and development of a real-time PCR assay for its rapid detection in the Pacific oyster, Crassostrea gigas. [PDF]

Transbound Emerg Dis, 2022
Abstract The Pacific cupped oyster Crassostrea gigas is one of the most ‘globalized’ marine invertebrates and its production is predominant in many parts of the world including Europe. However, it is threatened by mortality events associated with pathogenic microorganisms such as the virus OsHV‐1 and the bacteria Vibrio aestuarianus. C. gigas is also a
Arzul I, Garcia C, Chollet B, Serpin D, Lupo C, Noyer M, Tourbiez D, Berland C, Dégremont L, Travers MA.   +9 more
europepmc   +2 more sources

An eDNA/eRNA-based approach to investigate the life cycle of non-cultivable shellfish micro-parasites: the case of Bonamia ostreae, a parasite of the European flat oyster Ostrea edulis. [PDF]

Microb Biotechnol, 2020
An eDNA/eRNA approach was developed, allowing detecting and quantifying Bonamia ostreae 18S rDNA/rRNA as well as monitoring its presence in seawater by real‐time PCR. B. ostreae DNA and RNA could be detected up to 4 and 30 days respectively, suggesting a higher sensitivity of the eRNA based tool.
Mérou N, Lecadet C, Pouvreau S, Arzul I.   +3 more
europepmc   +2 more sources

Freshwater Haplosporidian Diversity Associated With Invasive Non-Native Bivalves in the River Thames, Including Haplosporidium raabei Infecting Dreissena polymorpha. [PDF]

J Eukaryot Microbiol
ABSTRACT Haplosporidians are protistan parasites of aquatic invertebrates. Described here is the first report of the zebra mussel (Dreissena polymorpha) parasite Haplosporidium raabei in the River Thames, London, UK. The prevalence of this protist in the upper tidal Thames, Richmond, was higher than previously reported in other studies from the UK and ...
Foster R, Ward GM, Bateman KS, Clark PF, Green MJ, Morritt D, Stebbing P, Bass D.   +7 more
europepmc   +2 more sources

Comparative genomics of Ascetosporea gives new insight into the evolutionary basis for animal parasitism in Rhizaria [PDF]

BMC Biology
Background Ascetosporea (Endomyxa, Rhizaria) is a group of unicellular parasites infecting aquatic invertebrates. They are increasingly being recognized as widespread and important in marine environments, causing large annual losses in invertebrate ...
Markus Hiltunen Thorén, Ioana Onuț-Brännström, Anders Alfjorden, Hana Pecková, Fiona Swords, Chantelle Hooper, Astrid S. Holzer, David Bass, Fabien Burki   +8 more
doaj   +2 more sources

Revisions to the Classification, Nomenclature, and Diversity of Eukaryotes. [PDF]

J Eukaryot Microbiol, 2019
Abstract This revision of the classification of eukaryotes follows that of Adl et al., 2012 [J. Euk. Microbiol. 59(5)] and retains an emphasis on protists. Changes since have improved the resolution of many nodes in phylogenetic analyses. For some clades even families are being clearly resolved.
Adl SM, Bass D, Lane CE, Lukeš J, Lukeš J, Schoch CL, Smirnov A, Smirnov A, Agatha S, Berney C, Brown MW, Burki F, Cárdenas P, Čepička I, Chistyakova L, Del Campo J, Dunthorn M, Edvardsen B, Eglit Y, Guillou L, Hampl V, Heiss AA, Hoppenrath M, James TY, Karnkowska A, Karpov S, Kim E, Kolisko M, Kudryavtsev A, Lahr DJG, Lara E, Le Gall L, Lynn DH, Mann DG, Massana R, Mitchell EAD, Morrow C, Park JS, Pawlowski JW, Powell MJ, Richter DJ, Rueckert S, Shadwick L, Shimano S, Spiegel FW, Torruella G, Youssef N, Zlatogursky V, Zhang Q.   +48 more
europepmc   +2 more sources

S.O.S. Pinna nobilis: A Mass Mortality Event in Western Mediterranean Sea

Frontiers in Marine Science, 2017
A mass mortality event (MME) impacting the bivalve Pinna nobilis was detected across a wide geographical area of the Spanish Mediterranean Sea (Western Mediterranean Sea) in early autumn 2016.
Maite Vázquez-Luis, Elvira Álvarez, Agustín Barrajón, José R. García-March, Amalia Grau, Amalia Grau, Iris E. Hendriks, Iris E. Hendriks, Santiago Jiménez, Diego Kersting, Diego Kersting, Diego Moreno, Marta Pérez, Juan M. Ruiz, Jordi Sánchez, Antonio Villalba, Antonio Villalba, Salud Deudero   +17 more
doaj   +1 more source

Infection dynamics, spatial distribution and diversity of the oyster parasite Haplosporidium costale along French coasts

Aquaculture Reports
Oyster farming is one of the major aquaculture productions worldwide. Among pathogens hampering its development, some Haplosoporidium species are associated with oyster mortality events. Initially characterized in the Eastern oyster Crassostrea virginica
Isabelle Arzul, Céline Garcia, Elodie Fleury, Yannick Gueguen, Cyrielle Lecadet, Chloe Berland, Bruno Chollet, Delphine Serpin, Mathilde Noyer, Matthieu Rondier, Jérémie Vidal-Dupiol, Janan Gawra, Océane Romatif, Juliette Pouzadoux, Jean-Louis Blin, Coralie Lupo   +15 more
doaj   +1 more source

Dead or Alive? Challenges in Discriminating Dietary From Host‐Associated Community via RNA and DNA Metabarcoding in a Filter Feeder

Environmental DNA, Volume 7, Issue 5, September–October 2025.
The present manuscript uses time series of highly standardized samples of a freshwater and a marine mussel from Germany to explore chances and challenges of identifying their associated community composition by a parallel DNA and RNA metabarcoding approach.
Isabelle Junk, Lina Frank, Nina Marschel, Henrik Krehenwinkel   +3 more
wiley   +1 more source

A sedimentary DNA record of the Atacama Trench reveals biodiversity changes in the most productive marine ecosystem

Global Change Biology, Volume 30, Issue 7, July 2024.
Using DNA deposited in deep‐sea sediments, we examine how marine biodiversity has changed over the last 150 years in Chilean waters. We find a unique period aligning with high fishing and extreme climatic events that reduces overall diversity. Furthermore, we find an effect of sea surface temperature and El Nino events over diversity, providing an idea
Diego Elihú Rivera Rosas, Nathan R. Geraldi, Ronnie N. Glud, Kazumasa Oguri, Sophie A. Haond, Carlos M. Duarte   +5 more
wiley   +1 more source