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Journal articles on the topic 'Pacific oyster'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Fujii, Masahiko, Ryuji Hamanoue, Lawrence Patrick Cases Bernardo, et al. "Assessing impacts of coastal warming, acidification, and deoxygenation on Pacific oyster (Crassostrea gigas) farming: a case study in the Hinase area, Okayama Prefecture, and Shizugawa Bay, Miyagi Prefecture, Japan." Biogeosciences 20, no. 22 (2023): 4527–49. http://dx.doi.org/10.5194/bg-20-4527-2023.

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Abstract. Coastal warming, acidification, and deoxygenation are progressing primarily due to the increase in anthropogenic CO2. Coastal acidification has been reported to have effects that are anticipated to become more severe as acidification progresses, including inhibiting the formation of shells of calcifying organisms such as shellfish, which include Pacific oysters (Crassostrea gigas), one of the most important aquaculture resources in Japan. Moreover, there is concern regarding the combined impacts of coastal warming, acidification, and deoxygenation on Pacific oysters. However, spatiot

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2

Richards, Gary P., Michael A. Watson, David S. Needleman, Karlee M. Church, and Claudia C. Häse. "Mortalities of Eastern and Pacific Oyster Larvae Caused by the Pathogens Vibrio coralliilyticus and Vibrio tubiashii." Applied and Environmental Microbiology 81, no. 1 (2014): 292–97. http://dx.doi.org/10.1128/aem.02930-14.

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ABSTRACTVibrio tubiashiiis reported to be a bacterial pathogen of larval Eastern oysters (Crassostrea virginica) and Pacific oysters (Crassostrea gigas) and has been associated with major hatchery crashes, causing shortages in seed oysters for commercial shellfish producers. Another bacterium,Vibrio coralliilyticus, a well-known coral pathogen, has recently been shown to elicit mortality in fish and shellfish. Several strains ofV. coralliilyticus, such as ATCC 19105 and Pacific isolates RE22 and RE98, were misidentified asV. tubiashiiuntil recently. We compared the mortalities caused by twoV.

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3

Zheng, Yu-Dong, Bo-Wen Huang, Xiang Zhang, et al. "The Probiotic Bacillus hwajinpoensis Colonizes the Digestive System of Crassostrea gigas Larvae and Protects Them from Vibrio alginolyticus Infection." Microorganisms 11, no. 12 (2023): 2918. http://dx.doi.org/10.3390/microorganisms11122918.

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The Pacific oyster Crassostrea gigas is one of the most important cultured marine species around the world. Production of Pacific oysters in China has depended primarily on hatchery produced seeds since 2016, with the successful introduction and development of triploid oysters. However, the seed supply of Pacific oysters is threatened by recurring mass mortality events in recent years. Vibriosis is the most commonly encountered disease associated with intensive oyster culture in hatcheries and nurseries. Vibrio alginolyticus and Bacillus hwajinpoensis were the two strains with pathogenic and p

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Chiesa, Stefania, Livia Lucentini, Paula Chainho, et al. "One in a Million: Genetic Diversity and Conservation of the Reference Crassostrea angulata Population in Europe from the Sado Estuary (Portugal)." Life 11, no. 11 (2021): 1173. http://dx.doi.org/10.3390/life11111173.

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The production of cupped oysters is an important component of European aquaculture. Most of the production relies on the cultivation of the Pacific oyster Crassostrea gigas, although the Portuguese oyster Crassostrea angulata represents a valuable product with both cultural and economic relevance, especially in Portugal. The authors of the present study investigated the genetic diversity of Portuguese oyster populations of the Sado estuary, both from natural oyster beds and aquaculture facilities, through cox1 gene fragment sequencing. Then, a comparison with a wide dataset of cupped oyster se

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5

SU, YI-CHENG, QIANRU YANG, and CLAUDIA HÄSE. "Refrigerated Seawater Depuration for Reducing Vibrio parahaemolyticus Contamination in Pacific Oyster (Crassostrea gigas)." Journal of Food Protection 73, no. 6 (2010): 1111–15. http://dx.doi.org/10.4315/0362-028x-73.6.1111.

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The efficacy of refrigerated-seawater depuration for reducing Vibrio parahaemolyticus levels in Pacific oyster (Crassostrea gigas) was investigated. Raw Pacific oysters were inoculated with a mixed culture of five clinical strains of V. parahaemolyticus (105 to 106 most probable number [MPN] per g) and depurated with refrigerated seawater (5°C) in a laboratory-scale recirculation system equipped with a 15-W gamma UV sterilizer. Depuration with refrigerated seawater for 96 h reduced V. parahaemolyticus populations by &gt;3.0 log MPN/g in oysters harvested in the winter. However, 144 h of de

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6

Qurani, Risma, Fredinan Yulianda, and Agustinus Mangaratua Samosir. "Spatial Distribution of Pacific Oyster (Crassostrea gigas) Population Related Environment Factor in Coastal Water of Pabean Ilir, Indramayu." Jurnal Moluska Indonesia 4, no. 1 (2020): 38–47. http://dx.doi.org/10.54115/jmi.v4i1.12.

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Pacific oysters (Crassostrea gigas, Thunberg, 1793) is a benthic organisme that tend to live and settle in the bottom. One of the pacific oyster habitat is Coastal Water of Pabean Ilir, Indramayu. The purpose of this study was to map spatial condition of the population related habitat of the oyster (Crassostrea gigas). The mapping were done with laptop, using Arc GIS. There were 15 points of sampling. The oyster population in Pabean Ilir can be categorized into three categories: low, medium, and high density. Based on the similarity of environmental characteristics the habitat were divided int

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7

Markert, Alexandra. "How dense is dense? Toward a harmonized approach to characterizing reefs of non-native Pacific oysters – with consideration of native mussels." NeoBiota 57 (May 29, 2020): 7–52. http://dx.doi.org/10.3897/neobiota.57.49196.

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Pacific oysters Crassostrea (Magallana) gigas have been successfully invading ecosystems worldwide. As an ecosystem engineer, they have the potential to substantially impact on other species and on functional processes of invaded ecosystems. Engineering strength depends on oyster density in space and time. Density has not yet been studied on the extent of reef structural dynamics. This study assessed abundance of naturalized Pacific oysters by shell length (SL) of live individuals and post-mortem shells at six sites over six consecutive years during post-establishment. Individual biomass, i.e.

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8

Markert, Alexandra. "How dense is dense? Toward a harmonized approach to characterizing reefs of non-native Pacific oysters – with consideration of native mussels." NeoBiota 57 (May 29, 2020): 7–52. https://doi.org/10.3897/neobiota.57.49196.

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Pacific oysters Crassostrea (Magallana) gigas have been successfully invading ecosystems worldwide. As an ecosystem engineer, they have the potential to substantially impact on other species and on functional processes of invaded ecosystems. Engineering strength depends on oyster density in space and time. Density has not yet been studied on the extent of reef structural dynamics. This study assessed abundance of naturalized Pacific oysters by shell length (SL) of live individuals and post-mortem shells at six sites over six consecutive years during post-establishment. Individual biomass, i.e.

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9

Bures, Julia, and Andrea Huvard. "Microfiber Content in Pacific Oysters (Crassostrea gigas) from Morro Bay, California." American Journal of Undergraduate Research 21, no. 2 (2024): 3–14. http://dx.doi.org/10.33697/ajur.2024.115.

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Plastics are a major source of marine pollution. One form of plastic pollution is microfibers, which are synthetic fibers five micrometers or smaller that are shed by artificial clothing. The size of microfibers enables them to easily be ingested by a number of marine organisms, including oysters. Oysters are filter feeders and a major aquaculture asset, which presents a concern for the effects of microfiber ingestion on human health. Very few studies have been conducted quantifying microfibers using Pacific oysters (Crassostrea gigas) sourced from California. This study quantifies microfiber

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Nugraha, Roni, Thimo Ruethers, Aya C. Taki, et al. "Recombinant Tropomyosin from the Pacific Oyster (Crassostrea gigas) for Better Diagnosis." Foods 11, no. 3 (2022): 404. http://dx.doi.org/10.3390/foods11030404.

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The Pacific oyster is a commercially important mollusc and, in contrast to most other shellfish species, frequently consumed without prior heat treatment. Oysters are rich in many nutrients but can also cause food allergy. Knowledge of their allergens and cross-reactivity remains very limited. These limitations make an optimal diagnosis of oyster allergy difficult, in particular to the Pacific oyster (Crassostrea gigas), the most cultivated and consumed oyster species worldwide. This study aimed to characterise IgE sensitisation profiles of 21 oyster-sensitised patients to raw and heated Pacif

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Mikac, Barbara, Alessandro Tarullo, Marina Antonia Colangelo, Marco Abbiati, and Federica Costantini. "Shell Infestation of the Farmed Pacific Oyster Magallana gigas by the Endolith Bivalve Rocellaria dubia." Diversity 13, no. 11 (2021): 526. http://dx.doi.org/10.3390/d13110526.

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Oyster shells are substratum for different epibiontic and endobiontic organisms, including pests and parasites. Rocellaria dubia is endolithic and facultative tube-dwelling bivalve, boring in different calcareous substrates, including the shells of bivalves. In 2020, R. dubia was found as endolithic in the shells of the Pacific oyster Magalana gigas, from an oyster farm off the Sacca di Goro lagoon (Emilia-Romagna region, Northern Adriatic Sea, Italy). The purpose of this study was to describe this newly recorded association. Altogether, 136 specimens of R. dubia were found in 15 oysters, phot

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Li, Xing-Xia, Wen-Chao Yu, Zhong-Qiang Cai, et al. "Molecular Cloning and Characterization of Full-Length cDNA of Calmodulin Gene from Pacific OysterCrassostrea gigas." BioMed Research International 2016 (2016): 1–7. http://dx.doi.org/10.1155/2016/5986519.

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The shell of the pearl oyster (Pinctada fucata) mainly comprises aragonite whereas that of the Pacific oyster (Crassostrea gigas) is mainly calcite, thereby suggesting the different mechanisms of shell formation between above two mollusks. Calmodulin (CaM) is an important gene for regulating the uptake, transport, and secretion of calcium during the process of shell formation in pearl oyster. It is interesting to characterize the CaM in oysters, which could facilitate the understanding of the different shell formation mechanisms among mollusks. We cloned the full-length cDNA of Pacific oyster

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Boullot, Floriane, Caroline Fabioux, Hélène Hégaret, Pierre Boudry, Philippe Soudant, and Evelyne Benoit. "Electrophysiological Evaluation of Pacific Oyster (Crassostrea gigas) Sensitivity to Saxitoxin and Tetrodotoxin." Marine Drugs 19, no. 7 (2021): 380. http://dx.doi.org/10.3390/md19070380.

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Pacific oysters (Crassostrea gigas) may bio-accumulate high levels of paralytic shellfish toxins (PST) during harmful algal blooms of the genus Alexandrium. These blooms regularly occur in coastal waters, affecting oyster health and marketability. The aim of our study was to analyse the PST-sensitivity of nerves of Pacific oysters in relation with toxin bio-accumulation. The results show that C. gigas nerves have micromolar range of saxitoxin (STX) sensitivity, thus providing intermediate STX sensitivity compared to other bivalve species. However, theses nerves were much less sensitive to tetr

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Vanukon, Melody S. Vanukon, Jasha Dehm, Timothy Pickering, Moape Kania, Ciro Rico, and Chinthaka Hewavitharane. "Growth rate of farmed Mangrove oysters (Magallana bilineata) at Laucala Bay, Suva, Fiji." Journal of Aquaculture Science 8, no. 2 (2023): 74–82. http://dx.doi.org/10.20473/joas.v8i2.48697.

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The cultivation of oysters has a significant historical background in the South Pacific region. The cultivation of pearls has been a significant source of livelihood for numerous island nations. Despite the significant cultural, dietary, and subsistence value of bivalve molluscs among Pacific Islanders, there has been limited advancement in the aquaculture of edible oysters in To enable a comprehensive assessment of the viability of cultivating edible oysters in Fiji, an estimation was conducted pertaining to the growth rate of mangrove oysters Magallana bilineata. A total of 105 oyster spat w

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ARAI, SAKURA, SATOKO YAMAYA, KAYOKO OHTSUKA, et al. "Detection of Escherichia albertii in Retail Oysters." Journal of Food Protection 85, no. 1 (2021): 173–79. http://dx.doi.org/10.4315/jfp-21-222.

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ABSTRACT Escherichia albertii is an emerging foodborne pathogen. Owing to its distribution in river water, it is important to determine the presence of E. albertii in aquaculture-related foods. In this study, we investigated the distribution of E. albertii in retail oyster samples. A total of 427 raw oyster samples (385 Pacific oysters and 42 Japanese rock oysters) were enriched in modified Escherichia coli broth (mEC) or mEC supplemented with novobiocin (NmEC) at 42°C. The cultures were used for E. albertii–specific nested PCR assay, as well as for E. albertii isolation using deoxycholate hyd

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Podolskaya, M., E. Chelebieva, O. Gostyukhina, D. Lavrichenko, and E. Kladchenko. "FUNCTIONAL STATUS OF MAGALLANA GIGAS INFECTED BY PIONE VASTIFICA." Russian Journal of Biological Physics and Chemisrty 8, no. 3 (2024): 353–57. http://dx.doi.org/10.29039/rusjbpc.2023.0633.

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Pacific oyster Magallana gigas (Thunberg, 1793) is an important commercial species of the Black Sea coast of Russia. Black Sea is favorable for the development of regional mariculture, but the existing biotic factors may lead to damage to an oyster farm. In particular, boring sponge Pione vastifica (Hancock, 1849). Boring sponges are a serious problem for mariculture farms, because the affected mussels are withdrawn from trade, which entails economic losses. In this work, the effect of boring sponges on the functional state of hemocytes (the ability to produce reactive oxygen species - ROS and

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Agnew, M. Victoria, Carolyn S. Friedman, Christopher Langdon, et al. "Differential Mortality and High Viral Load in Naive Pacific Oyster Families Exposed to OsHV-1 Suggests Tolerance Rather than Resistance to Infection." Pathogens 9, no. 12 (2020): 1057. http://dx.doi.org/10.3390/pathogens9121057.

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Pacific oysters, Crassostrea gigas, are one of the most productive aquaculture species in the world. However, they are threatened by the spread of Ostreid herpesvirus-1 (OsHV-1) and its microvariants (collectively “µvars”), which cause mass mortalities in all life stages of Pacific oysters globally. Breeding programs have been successful in reducing mortality due to OsHV-1 variants following viral outbreaks; however, an OsHV-1-resistant oyster line does not yet exist in the United States (US), and it is unknown how OsHV-1 µvars will affect US oyster populations compared to the current variant,

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Kim, A. Ch, and D. M. Lozhkin. "Some biological parameters of pacific oyster <i>Crassostrea gigas</i> (Thunberg, 1793) in the Busse Lagoon (Sakhalin Island) in 2010–2020." Izvestiya TINRO 203, no. 1 (2023): 143–53. http://dx.doi.org/10.26428/1606-9919-2023-203-143-153.

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Size-age structure and spatial distribution of pacific oyster <i>Crassostrea gigas</i> in the Busse Lagoon (Sakhalin Island) in 2010–2020 are analyzed. The oyster colony is in depression. Height of the shells, weight and age of clams have decreased significantly during the decade of observations. The oysters with non-commercial size dominate in the colony.

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Lapègue, Sylvie, Serge Heurtebise, Florence Cornette, Erwan Guichoux, and Pierre-Alexandre Gagnaire. "Genetic Characterization of Cupped Oyster Resources in Europe Using Informative Single Nucleotide Polymorphism (SNP) Panels." Genes 11, no. 4 (2020): 451. http://dx.doi.org/10.3390/genes11040451.

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The Pacific oyster, Crassostrea gigas, was voluntarily introduced from Japan and British Columbia into Europe in the early 1970s, mainly to replace the Portuguese oyster, Crassostrea angulata, in the French shellfish industry, following a severe disease outbreak. Since then, the two species have been in contact in southern Europe and, therefore, have the potential to exchange genes. Recent evolutionary genomic works have provided empirical evidence that C. gigas and C. angulata exhibit partial reproductive isolation. Although hybridization occurs in nature, the rate of interspecific gene flow

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Martin, Brad, Charlie Huveneers, Simon Reeves, and Ryan Baring. "Mangrove-associated Pacific oysters (Magallana gigas) influence estuarine biodiversity." NeoBiota 98 (March 7, 2025): 1–26. https://doi.org/10.3897/neobiota.98.131103.

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Estuarine ecosystems are often characterised by endemic foundation organisms which facilitate ecosystem interactions and processes established over millennia. Introduction of non-native foundation species can significantly alter ecological communities and functions. Here, we assessed the effects of introduced, reef-forming Pacific oyster Magallana gigas, within a temperate Australian mangrove-dominated estuary. Specifically, we investigated whether mangrove-attached M. gigas oyster reefs influenced intertidal fish and invertebrate communities, and fish foraging behaviour. We measured and contr

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Rusydi, I., Meldayani, S. A. E. Rahimi, et al. "The effect of different spat collectors on attachment and growth of oyster spat (Crassostrea gigas) in Alue Naga." IOP Conference Series: Earth and Environmental Science 1221, no. 1 (2023): 012069. http://dx.doi.org/10.1088/1755-1315/1221/1/012069.

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Abstract Oyster (crassostrea gigas) is one of the potential bivalves that can be developed to increase economic income. One of the stages of how to cultivate oysters is the initial process of sticking oyster spats. This study aims to analyze the success of attachment and growth of oyster spats in each collector and the factors that influence the growth of Pacific oyster spats (crassostrea gigas) in each collector. the method used is the experimental method using a completely randomized design model (RAL) with 3 treatments, each treatment 3 times repetition. The collectors used are plastic fibe

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FERNANDEZ-PIQUER, JUDITH, JOHN P. BOWMAN, TOM ROSS, SILVIA ESTRADA-FLORES, and MARK L. TAMPLIN. "Preliminary Stochastic Model for Managing Vibrio parahaemolyticus and Total Viable Bacterial Counts in a Pacific Oyster (Crassostrea gigas) Supply Chain." Journal of Food Protection 76, no. 7 (2013): 1168–78. http://dx.doi.org/10.4315/0362-028x.jfp-12-401.

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Vibrio parahaemolyticus can accumulate and grow in oysters stored without refrigeration, representing a potential food safety risk. High temperatures during oyster storage can lead to an increase in total viable bacteria counts, decreasing product shelf life. Therefore, a predictive tool that allows the estimation of both V. parahaemolyticus populations and total viable bacteria counts in parallel is needed. A stochastic model was developed to quantitatively assess the populations of V. parahaemolyticus and total viable bacteria in Pacific oysters for six different supply chain scenarios. The

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Ramadhaniaty, M., C. Octavina, FA Putri, S. Karina, and Ichsan. "The density and distribution of Pacific Oyster (Crassostrea gigas) in Krueng Cut, Aceh Besar." IOP Conference Series: Earth and Environmental Science 869, no. 1 (2021): 012056. http://dx.doi.org/10.1088/1755-1315/869/1/012056.

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Abstract Crassostrea gigas is a Pacific oyster that has the largest size among the other oysters. This oyster is most often found because of its ability to adapt to a variety of environments. Krueng Cut is an estuary area that gets a lot of nutrient input from sea water because it is directly adjacent to the ocean. This condition makes this area has a high abundance of oysters with high fishing and antropogenic activities as well. The purpose of this study was to determine the density and distribution of the oyster population from 3 representative stations along the estuary area of Krueng Cut.

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Martin, Brad, Charlie Huveneers, Simon Reeves, and Ryan Baring. "Mangrove-associated Pacific oysters (Magallana gigas) influence estuarine biodiversity." NeoBiota 98 (March 7, 2025): 1–26. https://doi.org/10.3897/neobiota.98.131103.

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Estuarine ecosystems are often characterised by endemic foundation organisms which facilitate ecosystem interactions and processes established over millennia. Introduction of non-native foundation species can significantly alter ecological communities and functions. Here, we assessed the effects of introduced, reef-forming Pacific oyster <i>Magallana gigas</i>, within a temperate Australian mangrove-dominated estuary. Specifically, we investigated whether mangrove-attached <i>M. gigas</i> oyster reefs influenced intertidal fish and invertebrate communities, and fish foraging behaviour. We meas

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Renault, Tristan, Anne Lise Bouquet, Julien-Thomas Maurice, Coralie Lupo, and Philippe Blachier. "Ostreid Herpesvirus 1 Infection among Pacific Oyster (Crassostrea gigas) Spat: Relevance of Water Temperature to Virus Replication and Circulation Prior to the Onset of Mortality." Applied and Environmental Microbiology 80, no. 17 (2014): 5419–26. http://dx.doi.org/10.1128/aem.00484-14.

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ABSTRACTA number of bivalve species worldwide, including the Pacific oyster,Crassostrea gigas, have been affected by mass mortality events associated with herpesviruses, resulting in significant losses. A particular herpesvirus was purified from naturally infected larval Pacific oysters, and its genome was completely sequenced. This virus has been classified asOstreid herpesvirus 1(OsHV-1) within the familyMalacoherpesviridae. Since 2008, mass mortality outbreaks amongC. gigasin Europe have been related to the detection of a variant of OsHV-1 called μVar. Additional data are necessary to bette

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Ruesink, J. L., K. Houle, E. Beck, F. C. Boardman, A. Suhrbier, and B. Hudson. "Intertidal Grow-Out Technique, Not Eelgrass (Zostera marina), Influences Performance of Pacific Oysters (Magallana gigas)." Aquaculture Research 2023 (November 16, 2023): 1–13. http://dx.doi.org/10.1155/2023/6621043.

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Colocation of farmed shellfish in seagrass, although not permitted in some regions of the USA, has been proposed as a means to reach cobenefits of habitat and food production. Seagrass could benefit bivalves through protection from predation or abiotic stressors but conversely can reduce water flow and food delivery. At 10 farm sites in Washington state (USA), we tested the performance of Pacific oysters (Magallana (Crassostrea) gigas) grown in ground culture or off-bottom culture across a range of seagrass densities. Oysters averaged 32 m−2 and 30% shell cover on ground culture beds. Oysters

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Iitembu, Johannes, Daniel Fitzgerald, Themistoklis Altintzoglou, et al. "Comparative Description and Analysis of Oyster Aquaculture in Selected Atlantic Regions: Production, Market Dynamics, and Consumption Patterns." Fishes 8, no. 12 (2023): 584. http://dx.doi.org/10.3390/fishes8120584.

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In the face of an increasing world population and a subsequent need for an increase in sustainable and healthy food production, low trophic species, such as oysters, emerge as a promising alternative. However, regional variations in oyster production techniques, market dynamics, and consumption patterns create challenges for both the global and local industry’s growth. In this study, a descriptive qualitative analysis of oyster markets across seven Atlantic regions was carried out. The Pacific oyster (Crassostrea gigas) was found to be farmed in most Atlantic regions except the US but is class

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Kladchenko, Ekaterina S., Elina S. Chelebieva, Maria S. Podolskaya, Olga L. Gostyukhina, Tatiana V. Gavruseva, and Daria S. Lavrichenko. "Effects of boring sponge Pione vastifica (Hancock, 1849) infestation on redox status and histological structure in Pacific oyster Magallana gigas (Thunberg, 1793) gills." Ecologica Montenegrina 77 (August 27, 2024): 211–23. http://dx.doi.org/10.37828/em.2024.77.21.

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The Pacific oyster, Magallana gigas (Thunberg, 1793), is the most widely cultivated bivalve species in the world. Despite the oyster's resistance to most pathogens, oyster farms are increasingly suffering losses due to infestation by various boring agents, particularly boring sponges. Boring sponges Pione vastifica (Hancock, 1849) penetrate and destroy the shell of the oysters, creating a network of channels and chambers in the shell. This ultimately results in a reduction in the marketability and barrier protection of oysters, as well as an impairment of their functional status. The objective

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TAKAHASHI, MICHIKO, YUMIKO OKAKURA, HAJIME TAKAHASHI, et al. "Evaluation of Inactivation of Murine Norovirus in Inoculated Shell Oysters by High Hydrostatic Pressure Treatment." Journal of Food Protection 82, no. 12 (2019): 2169–73. http://dx.doi.org/10.4315/0362-028x.jfp-19-186.

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ABSTRACT One of the major foods causing norovirus gastroenteritis is bivalve shellfish, such as oysters. Depuration and relaying methods have been used to control norovirus. However, these methods may be inadequate to control norovirus gastroenteritis. The present study aimed to investigate the effectiveness of high hydrostatic pressure (HHP) treatment in controlling norovirus in shelled oysters, by evaluating the inactivating effect of HHP on murine norovirus strain 1 (MNV-1) inoculated into a buffer, oyster homogenate, and shelled oysters. First, MNV-1 was inoculated (infectivity of 4.5 log

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Potts, Robert W. A., Alejandro P. Gutierrez, Yennifer Cortés-Araya, Ross D. Houston, and Tim P. Bean. "Developments in marine invertebrate primary culture reveal novel cell morphologies in the model bivalve Crassostrea gigas." PeerJ 8 (June 1, 2020): e9180. http://dx.doi.org/10.7717/peerj.9180.

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Cell culture provides useful model systems used in a wide range of biological applications, but its utility in marine invertebrates is limited due to the lack of immortalised cell lines. Primary cell and tissue cultures are typically used but remain poorly characterised for oysters, which can cause issues with experimental consistency and reproducibility. Improvements to methods of repeatable isolation, culture, and characterisation of oyster cells and tissues are required to help address these issues. In the current study, systematic improvements have been developed to facilitate the culture

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Lyu, Chenang, Jingwen Li, Zhentao Shi, et al. "Identification of Potential Proteinaceous Ligands of GI.1 Norovirus in Pacific Oyster Tissues." Viruses 15, no. 3 (2023): 631. http://dx.doi.org/10.3390/v15030631.

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Human norovirus (HuNoV) is the leading foodborne pathogen causing nonbacterial gastroenteritis worldwide. The oyster is an important vehicle for HuNoV transmission, especially the GI.1 HuNoV. In our previous study, oyster heat shock protein 70 (oHSP 70) was identified as the first proteinaceous ligand of GII.4 HuNoV in Pacific oysters besides the commonly accepted carbohydrate ligands, a histo-blood group antigens (HBGAs)-like substance. However the mismatch of the distribution pattern between discovered ligands and GI.1 HuNoV suggests that other ligands may exist. In our study, proteinaceous

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Aagesen, Alisha M., Sureerat Phuvasate, Yi-Cheng Su, and Claudia C. Häse. "Persistence of Vibrio parahaemolyticus in the Pacific Oyster, Crassostrea gigas, Is a Multifactorial Process Involving Pili and Flagella but Not Type III Secretion Systems or Phase Variation." Applied and Environmental Microbiology 79, no. 10 (2013): 3303–5. http://dx.doi.org/10.1128/aem.00314-13.

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ABSTRACTVibrio parahaemolyticuscan resist oyster depuration, suggesting that it possesses specific factors for persistence. We show that type I pili, type IV pili, and both flagellar systems contribute toV. parahaemolyticuspersistence in Pacific oysters whereas type III secretion systems and phase variation do not.

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ABEYTA, CARLOS, FRANK G. DEETER, CHARLES A. KAYSNER, ROBERT F. STOTT, and MARLEEN M. WEKELL. "Campylobacter jejuni in a Washington State Shellfish Growing Bed Associated With Illness." Journal of Food Protection 56, no. 4 (1993): 323–25. http://dx.doi.org/10.4315/0362-028x-56.4.323.

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Consumption of raw Pacific oysters (Crassotea gigas) harvested from a Washington State recreational shellfish bed were associated with illness. Illness occurred within 2 d of ingestion of a half-dozen shellstock oysters. Each oyster consist of approximately 20 g of meat. The duration of illness lasted 2 d. Routinely, Campylobacter species have been found in several shellfish beds in the Puget Sound Bay. Its presence in the marine environment appears to be incidental and primarily, comes from wild birds, farm runoff, and sewage bypasses. This paper describes the first reported case of Campyloba

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Vyalova, O. Yu. "Growth and terms of obtaining marketable triploid oysters in Donuzlav Liman (Black Sea, Crimea)." Marine Biological Journal 4, no. 1 (2019): 24–32. http://dx.doi.org/10.21072/mbj.2019.04.1.03.

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The rate of linear and weight growth of triploid spat of oyster Crassostrea gigas in Donuzlav Liman (Black Sea, Crimea) was investigated. A quantitative relationship between the mass (W, g) of the whole oyster and the height of the shell (H, mm) is given (it is described by the equation W = 7 · 10-5 · Н3.1, R² = 0.78), as well as a quantitative relationship between the mass (W, g) of the whole oyster and the length of the shell (L, mm) (W = 3 · 10-4 · L3.12, R² = 0.65). The maximum rates of linear growth of triploid oysters T20 were registered in April (1.15 mm per day), of weight growth – in

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Cruz, C. D., D. Hedderley, and G. C. Fletcher. "Long-Term Study of Vibrio parahaemolyticus Prevalence and Distribution in New Zealand Shellfish." Applied and Environmental Microbiology 81, no. 7 (2015): 2320–27. http://dx.doi.org/10.1128/aem.04020-14.

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ABSTRACTThe food-borne pathogenVibrio parahaemolyticushas been reported as being present in New Zealand (NZ) seawaters, but there have been no reported outbreaks of food-borne infection from commercially grown NZ seafood. Our study determined the current incidence ofV. parahaemolyticusin NZ oysters and Greenshell mussels and the prevalence ofV. parahaemolyticustdhandtrhstrains. Pacific (235) and dredge (21) oyster samples and mussel samples (55) were obtained from commercial shellfish-growing areas between December 2009 and June 2012. TotalV. parahaemolyticusnumbers and the presence of pathoge

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Dhanji-Rapkova, Monika, Andrew D. Turner, Craig Baker-Austin, Jim F. Huggett, and Jennifer M. Ritchie. "Distribution of Tetrodotoxin in Pacific Oysters (Crassostrea gigas)." Marine Drugs 19, no. 2 (2021): 84. http://dx.doi.org/10.3390/md19020084.

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A potent and heat-stable tetrodotoxin (TTX) has been found to accumulate in various marine bivalve species, including Pacific oysters (Crassostrea gigas), raising a food safety concern. While several studies on geographical occurrence of TTX have been conducted, there is a lack of knowledge about the distribution of the toxin within and between bivalves. We, therefore, measured TTX in the whole flesh, mantle, gills, labial palps, digestive gland, adductor muscle and intravalvular fluid of C. gigas using liquid chromatography-tandem mass spectrometry. Weekly monitoring during summer months reve

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Anaya, Alexis, David Rice, and Laura Kraft. "Effect of increasing size on the ability of green crab (Carcinus maenas) to manipulate and eat commercially and ecologically important species in the Pacific Northwest." Fishery Bulletin 123, no. 3 (2025): 157–65. https://doi.org/10.7755/fb.123.3.2.

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We sought to determine the potential effect of invasive green crab (Carcinus maenas) on commercially and ecologically important species in the Pacific Northwest through choice and no-choice assays conducted with green crab of different sizes. We looked at the feeding behavior of green crab in relation to various prey choices, including adult Manila clam (Ruditapes philippinarum), adult Pacific oyster (Crassostrea gigas), young Pacific oyster as spat on shell, and native eelgrass (Zostera marina). No-choice assays were modeled with a negative binomial regression, and choice assays were modeled

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Batley, GE, C. Fuhua, CI Brockbank, and KJ Flegg. "Accumulation of Tributyltin by the Sydney Rock Oyster, Saccostrea commercialis." Marine and Freshwater Research 40, no. 1 (1989): 49. http://dx.doi.org/10.1071/mf9890049.

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Tributyltin (TBT) concentrations have been measured in the tissue of the Sydney rock oyster Saccostrea commercialis sampled from estuaries in New South Wales, Australia. Background TBT levels of below 2 ng Sn g-1 contrasted with values between 80 and 130 ng Sn g-1 in oysters exposed to high boat densities or poor tidal flushing. Shell deformities and reduced tissue weights were associated with all samples displaying elevated TBT levels. Specimens of the Pacific oyster, Crassostrea gigas, growing on the same racks displayed 2-3 times the TBT concentrations of S. commercialis.

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Kornbluth, Aaron, Bryce D. Perog, Samantha Crippen, et al. "Mapping oysters on the Pacific coast of North America: A coast-wide collaboration to inform enhanced conservation." PLOS ONE 17, no. 3 (2022): e0263998. http://dx.doi.org/10.1371/journal.pone.0263998.

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To conserve coastal foundation species, it is essential to understand patterns of distribution and abundance and how they change over time. We synthesized oyster distribution data across the west coast of North America to develop conservation strategies for the native Olympia oyster (Ostrea lurida), and to characterize populations of the non-native Pacific oyster (Magallana gigas). We designed a user-friendly portal for data entry into ArcGIS Online and collected oyster records from unpublished data submitted by oyster experts and from the published literature. We used the resulting 2,000+ rec

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TIAN, PENG, ANNA L. ENGELBREKTSON, and ROBERT E. MANDRELL. "Seasonal Tracking of Histo-Blood Group Antigen Expression and Norovirus Binding in Oyster Gastrointestinal Cells." Journal of Food Protection 71, no. 8 (2008): 1696–700. http://dx.doi.org/10.4315/0362-028x-71.8.1696.

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Noroviruses (NORs) are the most common cause of viral gastroenteritis outbreaks. Outbreaks are often associated with the consumption of contaminated oysters and generally occur between the months of November and March, when oysters produce the highest levels of glycogen. Oyster glycogen has been proposed as playing a role in NOR accumulation. Recent research indicates that histo-blood group antigens (HBGAs) function as viral receptors on human gastrointestinal cells. In this study, oyster glycogen was tested to determine whether it contains HBGA-like molecules and whether it plays a role in NO

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Trần Văn, Phước, Vũ Trọng Đại, Phan Văn Út та ін. "Thử nghiệm nuôi hàu thái bình dương (<i>Crassostrea gigas</i>) vùng cửa sông tại tỉnh Trà Vinh". Tạp chí Khoa học - Công nghệ Thủy Sản, Trường Đại học Nha Trang, № 02 (18 червня 2025): 099–106. https://doi.org/10.53818/jfst.02.2025.552.

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Thử nghiệm nuôi hàu Thái Bình Dương vùng cửa sông xã Long Toàn, thị xã Duyên Hải, tỉnh Trà Vinh bằng hình thức treo dây giá thể trên bè (nuôi dây dọc). Kết quả nuôi đạt được như sau: hàu Thái Bình Dương sau nuôi 11 tháng đạt được: chiều cao vỏ dao động từ 66,25 đến 67,08 mm (66,76 ± 0,34) mm, chiều rộng vỏ dao động từ 47,90 đến 48,70 mm (48,32 ± 0,28) mm; khối lượng hàu dao động từ 66 đến 73 g/con (68,89 ± 1,23) g/con và đạt 14 – 15 con/kg; tỷ lệ thịt dao động từ 17,85 đến 27,33 % (21,93 ± 2,49) %. Tốc độ sinh trưởng đặc trưng về chiều dài (SGRL) của hàu Thái Bình Dương là SGRL = 0,94 (%/ngày)

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Hitzegrad, Jan, Elin Schuh, Christian Windt, Oliver Lojek, and Nils Goseberg. "HIGH-FIDELITY NUMERICAL SIMULATION OF OSCILLATING FLOWS AND TURBULENCE STRUCTURES PAST A SINGLE OYSTER INDIVIDUAL." Coastal Engineering Proceedings, no. 38 (May 29, 2025): 86. https://doi.org/10.9753/icce.v38.management.86.

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Oysters are an eco-engineering species that build rigid and ultra-rough reef structures in intertidal zones. Oyster reefs effectively attenuate wave energy, offering an intriguing opportunity for integration into nature-based coastal protection systems. In spatially extensive reefs, e.g., formed by the invasive Pacific oyster (Magallana gigas; Hitzegrad et al., 2022), the wave attenuation is primarily attributed to frictional dissipation induced by the ultra-rough surfaces (Morris et al., 2021). The availability of in-depth datasets of experimental studies involving 3D-printed reef structures

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Sakamaki, T., K. Hayashi, Y. Zheng, M. Fujibayashi, and O. Nishimura. "Effects of oyster age on selective suspension-feeding and the chemical composition of biodeposits: insights from fatty acid analysis." Marine Ecology Progress Series 644 (June 25, 2020): 75–89. http://dx.doi.org/10.3354/meps13359.

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The study objective was to clarify how the growth stages of the Pacific oyster Crassostrea gigas affect selective suspension-feeding of particulate organic matter (POM) and the composition of biodeposits. A day-long (22 h), continuous-flow mesocosm experiment was conducted with 3, 15, and 27 mo old oysters. The suspended particulate matter (PM), settled PM (mostly biodeposits in the oyster mesocosms), and oyster soft tissues were analysed to determine the content of fatty acids, organic carbon, and nitrogen, as well as the carbon and nitrogen stable isotope ratios to trace compositional change

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Pernet, Fabrice, Sonia Gachelin, Jean-Yves Stanisière, Bruno Petton, Elodie Fleury, and Joseph Mazurié. "Farmer monitoring reveals the effect of tidal height on mortality risk of oysters during a herpesvirus outbreak." ICES Journal of Marine Science 76, no. 6 (2019): 1816–24. http://dx.doi.org/10.1093/icesjms/fsz074.

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Abstract The intertidal zone is characterized by a sharp vertical gradient of environmental stress, which structures species distribution and their interactions. Few studies, however, have examined the influence of tidal height on host–pathogen interactions. Here, we investigated how the tidal height influence outbreak of the Ostreid herpesvirus type 1 (OsHV-1) affecting the Pacific oyster. A volunteer network composed of 20 oyster growers monitored the survival of 28 batches of oysters during an epizootic event in Southern Brittany, France. Oysters were spat from wild collection or hatchery p

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Su, Lanxiang, Wenge Yang, Siyang Liu, et al. "Effect of Neutral Protease on Freshness Quality of Shucked Pacific Oysters at Different Storage Conditions." Foods 13, no. 8 (2024): 1273. http://dx.doi.org/10.3390/foods13081273.

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The aim of this study was to investigate the effect of neutral protease treatment on the biochemical properties of various parts of Pacific oysters (Crassostrea gigas) under different storage conditions. The mechanism of quality degradation in the mantle, adductor muscle, gill, and trunk of treated oysters stored at −1.5 °C (superchilling) or 4 °C (refrigeration) for several days using different storage methods was studied. The results showed that the oyster treated with the enzyme exhibited higher glycogen content, flavor nucleotide content, and sensory scores compared to the control group. S

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Grano-Maldonado, M. I., F. Rubalcava-Ramirez, A. Rodriguez-Santiago, F. Garcia-Vargas, A. Medina-Jasso, and M. Nieves-Soto. "First record of Stephanostomum sp. Looss, 1899 (Digenea: Acanthocolpidae) metacercariae parasitising the pleasure oyster Crassostrea corteziensis (Hertlein) from the Mexican Pacific coast." Helminthologia 56, no. 3 (2019): 211–18. http://dx.doi.org/10.2478/helm-2019-0019.

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SummaryThe aim of this investigation was to identify the parasites present in the largely understudied pleasure oyster Crassostrea corteziensis in Sinaloa state in the northwestern Mexican Pacific coast. Inspection of twenty-eight oysters collected on “Ceuta” lagoon revealed the presence of the digenean Stephanostomum sp. (Digenea: Acanthocolpidae) cysts. Metacercariae were found encapsulated and embedded in the digestive gland and mantle tissue of oysters. The prevalence of infection revealed that 84.6 % were infected, the abundance was 13.62, with a mean intensity of 16.09 per host. The memb

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Li, Yan, Jian G. Qin, Catherine A. Abbott, Xiaoxu Li, and Kirsten Benkendorff. "Synergistic impacts of heat shock and spawning on the physiology and immune health ofCrassostrea gigas: an explanation for summer mortality in Pacific oysters." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 293, no. 6 (2007): R2353—R2362. http://dx.doi.org/10.1152/ajpregu.00463.2007.

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Mass mortality is often observed in cultured oysters during the period following spawning in the summer season. To examine the underlying causes leading to this phenomenon, thermotolerance of the Pacific oyster Crassostrea gigas was assessed using pre- and postspawning oysters that were sequentially treated with sublethal (37°C) and lethal heat shocks (44°C). The effects were examined on a range of immune and metabolic parameters in addition to mortality rate. A preventative 37°C significantly reduced oyster mortality after exposure to a second heat shock of 44°C, but in postspawning oysters m

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Rupnik, Agnieszka, William Doré, Leon Devilly, et al. "Evaluation of Norovirus Reduction in Environmentally Contaminated Pacific Oysters During Laboratory Controlled and Commercial Depuration." Food and Environmental Virology 13, no. 2 (2021): 229–40. http://dx.doi.org/10.1007/s12560-021-09464-2.

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AbstractNorovirus contamination of oysters is the lead cause of non-bacterial gastroenteritis and a significant food safety concern for the oyster industry. Here, norovirus reduction from Pacific oysters (Crassostrea gigas), contaminated in the marine environment, was studied in laboratory depuration trials and in two commercial settings. Norovirus concentrations were measured in oyster digestive tissue before, during and post-depuration using the ISO 15216-1 quantitative real-time RT-PCR method. Results of the laboratory-based studies demonstrate that statistically significant reductions of u

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Anwar, Fairuz Romdhony Desnefa, and Ine Maulina. "BUSINESS PROSPECTS FOR CULTIVATION OF OYSTER (Crassostrea gi-gas) IN OKAYAMA, JAPAN." AQUASAINS 11, no. 1 (2022): 1179. http://dx.doi.org/10.23960/aqs.v11i1.p1179-1188.

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Japan is known as one of pioneering countries in oyster cultivation. This study aims to reveal the prospects for the cultivation of pacific oysters. The analysis of investment evaluation criteria in this study is based on financial analysis methods which include Benefit-Cost Ratio (BCR), Break Even Point (BEP), Return of Investment ROI, and Payback Period. The process carried out in the oyster cultivation steps starts from spawning and oyster fry, growth control (Yokusei), hanging (Hansuika) and seeding (Tanetsuke), check growth and landing and marketing. Based on the results of data analysis,

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Zhang, Enshuo, Zan Li, Luyao Dong, et al. "Exploration of Molecular Mechanisms of Immunity in the Pacific Oyster (Crassostrea gigas) in Response to Vibrio alginolyticus Invasion." Animals 14, no. 11 (2024): 1707. http://dx.doi.org/10.3390/ani14111707.

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Over the years, oysters have faced recurring mass mortality issues during the summer breeding season, with Vibrio infection emerging as a significant contributing factor. Tubules of gill filaments were confirmed to be in the hematopoietic position in Crassostrea gigas, which produce hemocytes with immune defense capabilities. Additionally, the epithelial cells of oyster gills produce immune effectors to defend against pathogens. In light of this, we performed a transcriptome analysis of gill tissues obtained from C. gigas infected with Vibrio alginolyticus for 12 h and 48 h. Through this analy

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