Article
Agronomy
Roberto Carlos Mori Zabarburu, Carlos Millones, Grobert A. Guadalupe, Guillermo Idrogo-Vasquez, Fred William Chu-Koo, Armstrong B. Fernandez-Jeri, Elizabeth Gill, Segundo G. Chavez, Ligia Garcia
Summary: In this research, sustainability and efficiency in rainbow trout farming were evaluated. Sustainability indices were determined for 36 production units, and technical efficiency was assessed using Data Envelopment Analysis (DEA). The units were grouped into three clusters based on production volume, and the main determining factors were related to total annual production. The study identified 14 efficient units out of 33 evaluated, with an average technical efficiency of 83.87% for trout farmers in the Amazonas region.
Article
Fisheries
Sumanta Kumar Mallik, Shivam Singh, Neetu Shahi, Richa Pathak, Krishna Kala, Partha Das, Bhupendra Singh, Abhay Kumar Giri, Suresh Chandra, Debajit Sarma, Pramod Kumar Pandey
Summary: Flavobacterium species have been found as significant pathogens in aquaculture worldwide. In this study, isolates of Flavobacterium tructae were recovered from infected rainbow trout in the Indian Himalayan Region, and their pathogenicity was investigated. The bacterium showed biofilm formation and haemolytic activity, and it was found to be sensitive to various antibiotics. The study concludes that F.tructae is an opportunistic pathogen and further investigation is needed to evaluate its risk in global aquaculture.
AQUACULTURE INTERNATIONAL
(2023)
Article
Biochemistry & Molecular Biology
Muhammad Mehedi Hasan, Hideki Ushio, Yoshihiro Ochiai
Summary: Recombinant expression system was established for rainbow trout myoglobin (Mb) with unique structure and function as a scavenger of reactive oxygen species, indicating its important role in vivo.
FISH PHYSIOLOGY AND BIOCHEMISTRY
(2021)
Article
Fisheries
Yue Cong Yang, Shan Nan Chen, Zhen Gan, Lin Huang, P. Nie
Summary: The study characterized an IRAK1 orthologue from rainbow trout, showing highly conserved features among different species and suggesting a key role in immune response.
DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY
(2021)
Article
Chemistry, Multidisciplinary
Joelle Auclair, Patrice Turcotte, Christian Gagnon, Caroline Peyrot, Kevin James Wilkinson, Francois Gagne
Summary: The study examined the sub-lethal toxicity of low concentrations of selected nanoparticles alone and in mixtures in juvenile trout. The results showed that the nanoparticles were bioavailable for fish, with different levels of toxicity for different nanoparticles and antagonistic effects in the mixtures. In conclusion, the bioavailability and toxicity of these nanoparticles are influenced by mixtures of nanoparticles, which is likely to occur in contaminated environments.
Article
Biochemistry & Molecular Biology
Jesus Valcarcel, Carolina Hermida-Merino, Manuel M. Pineiro, Daniel Hermida-Merino, Jose Antonio Vazquez
Summary: The expansion of fish filleting, driven by the increasing demand for convenience food, concomitantly generates a rising amount of skinning by-products. Gelatin properties extracted from the skin of rainbow trout, seabass, and seabream show differences in yield and strength, with seabass and seabream having higher gel strength and yield compared to rainbow trout. Molecular weight profiling reveals similarities among gelatins, but seabass and seabream gelatins appear more structured, potentially influencing rheological properties.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2021)
Article
Biochemistry & Molecular Biology
Hui-Xia Yu, Yang Li, Wei-Jia Song, Hui Wang, Hao-Lin Mo, Qiao Liu, Xin-Miao Zhang, Ze-Bin Jiang, Li-Xin Wang
Summary: This study characterized the rainbow trout MC3R and found its close relation to mammalian MC3R. The transcripts of rtMC3R were highly expressed in the brain and muscle. rtMC3R can be activated by agonists and modulate multiple signal pathways, while inhibiting the NF-kappa B signaling pathway.
FISH PHYSIOLOGY AND BIOCHEMISTRY
(2022)
Article
Biochemistry & Molecular Biology
Jamie L. Mankiewicz, Beth M. Cleveland
Summary: Leptin, a cytokine that regulates appetite and energy expenditure, has been found to have two receptors, Lepra1 and Lepra2, in rainbow trout. These receptors show tissue-specific expression patterns and are differentially regulated during feed deprivation, indicating paralog- and tissue-specific functions in the leptin signaling pathway.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2021)
Article
Fisheries
Manuel Gesto, Alfred Jokumsen
Summary: Environmental enrichment is a promising strategy to improve the welfare of fish in captivity, but its effects in terms of shelter type on rainbow trout juveniles are not significant when it comes to reducing overall stress levels. Further research is needed to optimize shelter design and application timing.
Article
Fisheries
HyeongJin Roh, Do-Hyung Kim
Summary: This study investigated the characteristics of HSP70s in rainbow trout through genomic and transcriptomic analyses. It identified 23 HSP70s and classified them into seven evolutionary groups. The study also revealed the different expression patterns of HSP70s in response to thermal stress and infection, which was influenced by transcription factor binding sites (TFBS). Additionally, several isoforms of the most sensitive HSP70s were demonstrated under various stress environments. This study contributes to a better understanding of HSP70s in rainbow trout and provides insights for biomarker selection under different stress conditions.
FISH & SHELLFISH IMMUNOLOGY
(2022)
Article
Microbiology
Jiyeon Park, Hyeongjin Roh, Yoonhang Lee, Ju-Yeop Lee, Hyo-Young Kang, Min Ji Seong, Yura Kang, Young Ung Heo, Bo Seong Kim, Chan-Il Park, Do-Hyung Kim
Summary: This study reports the first detection of Flavobacterium psychrophilum in Korea and describes its genotypic and phenotypic characteristics. The study also reveals the pathogenicity and antibiotic resistance of the pathogen and proposes control measures. This is important for understanding the impact of this pathogen on Korean rainbow trout populations and establishing surveillance and control measures to prevent further transmission and outbreaks.
Article
Environmental Sciences
Mustafa Oz, Tugce Tatil, Suat Dikel
Summary: The study found that adding 0.05% boric acid to rainbow trout feed had a positive impact on growth performance, while higher amounts may have negative effects. Boric acid in feed also affected the nutritional composition of fish meat.
Article
Engineering, Environmental
Amelie Kierkegaard, Marcus Sundbom, Bo Yuan, James M. Armitage, Jon A. Arnot, Steven T. J. Droge, Michael S. McLachlan
Summary: For alkylamines, the bioconcentration increases with chain length (<= C-14) and is influenced by pH value in water. In contrast, quaternary ammonium compounds show minimal pH dependence and have lower bioconcentration levels compared to alkylamines of the same chain length at pH 7.6.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2021)
Article
Evolutionary Biology
Katy Paul, Jonathan D'Ambrosio, Florence Phocas
Summary: Recent studies have found moderate to high levels of inbreeding in farmed rainbow trout lines, impacting traits such as spawning date and egg weight. Different genomic regions show variable effects of inbreeding on traits, highlighting the complexity of inbreeding depression and its genetic architecture. Region-specific metrics may help in accurately managing the trade-off between genetic merit and the negative effects of inbreeding.
EVOLUTIONARY APPLICATIONS
(2022)
Article
Environmental Sciences
Parastoo Razmara, Gregory G. Pyle
Summary: The study found that exposure to copper ions and copper nanoparticles led to an initial increase and subsequent recovery of olfactory goblet cells in fish. While the protective barrier provided by goblet cells was disrupted by copper contamination, the thickness of the olfactory rosette did not change. Additionally, the gene transcript profile showed that copper ions had a greater impact on the molecular composition of olfactory cell junctions compared to copper nanoparticles.
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
(2021)
Article
Multidisciplinary Sciences
Kris A. Christensen, Jong S. Leong, Dionne Sakhrani, Carlo A. Biagi, David R. Minkley, Ruth E. Withler, Eric B. Rondeau, Ben F. Koop, Robert H. Devlin
Article
Genetics & Heredity
Agustin Barria, Kris A. Christensen, Grazyella M. Yoshida, Katharina Correa, Ana Jedlicki, Jean P. Lhorente, William S. Davidson, Jose M. Yanez
G3-GENES GENOMES GENETICS
(2018)
Article
Multidisciplinary Sciences
Kris A. Christensen, Eric B. Rondeau, David R. Minkley, Jong S. Leong, Cameron M. Nugent, Roy G. Danzmann, Moira M. Ferguson, Agnieszka Stadnik, Robert H. Devlin, Robin Muzzerall, Michael Edwards, William S. Davidson, Ben F. Koop
Article
Multidisciplinary Sciences
Cameron M. Nugent, Jong S. Leong, Kris A. Christensen, Eric B. Rondeau, Matthew K. Brachmann, Anne A. Easton, Christine L. Ouellet-Fagg, Michelle T. T. Crown, William S. Davidson, Ben F. Koop, Roy G. Danzmann, Moira M. Ferguson
Article
Genetics & Heredity
Jose M. Yanez, Grazyella M. Yoshida, Angel Parra, Katherina Correa, Agustin Barria, Liane N. Bassini, Kris A. Christensen, Maria E. Lopez, Roberto Carvalheiro, Jean P. Lhorente, Rodrigo Pulgar
FRONTIERS IN GENETICS
(2019)
Article
Biotechnology & Applied Microbiology
Michelle T. T. Chan, Annette Muttray, Dionne Sakhrani, Krista Woodward, Jin-Hyoung Kim, Kris A. Christensen, Ben F. Koop, Robert H. Devlin
Summary: Transgenic fish, such as the GH transgenic coho salmon strain, show significant differences in growth rate and phenotypes compared to wild-type fish. Sex and transgene insertion sites alter transgene expression, while estradiol levels do not directly influence transgene activity. This study highlights the impact of genetic factors and transgene insertion sites on transgene expression and phenotype.
MARINE BIOTECHNOLOGY
(2021)
Article
Genetics & Heredity
Kris A. Christensen, Jeremy Le Luyer, Michelle T. T. Chan, Eric B. Rondeau, Ben F. Koop, Louis Bernatchez, Robert H. Devlin
Summary: The study found that growth hormone transgenic coho salmon shows significant differences in growth rate in different environments, with potential mechanisms influencing this growth rate interaction related to stress. Gene transcription and methylation analyses revealed the impact of rearing environment on gene expression and methylation, but the effect of epigenetic marks on altered growth and physiological responses is still unclear.
G3-GENES GENOMES GENETICS
(2021)
Article
Multidisciplinary Sciences
Kris A. Christensen, Eric B. Rondeau, Dionne Sakhrani, Carlo A. Biagi, Hollie Johnson, Jay Joshi, Anne-Marie Flores, Sreeja Leelakumari, Richard Moore, Pawan K. Pandoh, Ruth E. Withler, Terry D. Beacham, Rosalind A. Leggatt, Carolyn M. Tarpey, Lisa W. Seeb, James E. Seeb, Steven J. M. Jones, Robert H. Devlin, Ben F. Koop
Summary: Pink salmon are the most abundant species among the five native Pacific salmon, with a two-year life history generating temporally isolated populations that spawn either in even-years or odd-years. The study identified peaks of Fst between year-classes, potentially influencing speciation, and found that other regions of the genome influenced by odd-year and even-year temporal isolation were associated with genes related to immune function, organ development/maintenance, and behavior.
Article
Genetics & Heredity
Jay Joshi, Anne-Marie Flores, Kris A. Christensen, Hollie Johnson, Ahmed Siah, Ben F. Koop
Summary: This study used long-read sequencing technology to update the genome assemblies of Atlantic and Pacific salmon lice, and identified unique genomic features of their sex chromosomes. Moreover, conserved orthologous protein sequences were found between the W- and Z-chromosomes.
G3-GENES GENOMES GENETICS
(2022)
Article
Fisheries
Carlo A. Biagi, Rosalind A. Leggatt, Dionne Sakhrani, Mike Wetklo, Wendy E. Vandersteen, Kris A. Christensen, Eric B. Rondeau, Breanna M. Watson, Kyle W. Wellband, Ben F. Koop, Ruth E. Withler, Robert H. Devlin
Summary: Doubled haploid gynogens are individuals with two identical maternal chromosome sets and no paternal genetic contributions. They are useful in whole-genome sequence assembly to eliminate allelic variation. This study successfully determined the timing for producing doubled haploid gynogens in multiple salmonid species and assessed their survival rate and genotypes.
NORTH AMERICAN JOURNAL OF AQUACULTURE
(2022)
Article
Genetics & Heredity
Eric B. Rondeau, Kris A. Christensen, David R. Minkley, Jong S. Leong, Michelle T. T. Chan, Cody A. Despins, Anita Mueller, Dionne Sakhrani, Carlo A. Biagi, Quentin Rougemont, Eric Normandeau, Steven J. M. Jones, Robert H. Devlin, Ruth E. Withler, Terry D. Beacham, Kerry A. Naish, Jose M. Yanez, Roberto Neira, Louis Bernatchez, William S. Davidson, Ben F. Koop
Summary: The coho salmon populations in North America have significantly declined, and analysis of genomic data suggests bottleneck events after glacial retreat as a possible cause. A chromosome-level genome assembly and genome resequencing of 83 coho salmon were performed to aid in stock management and conservation efforts.
G3-GENES GENOMES GENETICS
(2023)
Article
Biochemistry & Molecular Biology
Peter T. Euclide, Wesley A. Larson, Yue Shi, Kristen Gruenthal, Kris A. Christensen, Jim Seeb, Lisa Seeb
Summary: This study used whole genome resequencing to identify 64 islands of divergence in sockeye salmon, with 16 clustered in four genomic regions shared by two isolated populations. These islands were created by a variety of mechanisms, including structural and non-structural variation. The differentiation at these islands did not consistently correlate with established population attributes.
Article
Genetics & Heredity
Eric B. Rondeau, Kris A. Christensen, Hollie A. Johnson, Dionne Sakhrani, Carlo A. Biagi, Mike Wetklo, Cody A. Despins, Rosalind A. Leggatt, David R. Minkley, Ruth E. Withler, Terry D. Beacham, Ben F. Koop, Robert H. Devlin
Summary: Chum salmon genome was sequenced and assembled using Oxford Nanopore and Flye software. Genome assembly was characterized by resequencing 59 chum salmon from hatchery sources. Genes involved in immune system and toxin response were found to be enriched in regions collapsed due to duplicated chromosomes from ancient genome duplication.
G3-GENES GENOMES GENETICS
(2023)
Article
Multidisciplinary Sciences
Kris A. Christensen, Eric B. Rondeau, David R. Minkley, Dionne Sakhrani, Carlo A. Biagi, Anne-Marie Flores, Ruth E. Withler, Scott A. Pavey, Terry D. Beacham, Theresa Godin, Eric B. Taylor, Michael A. Russello, Robert H. Devlin, Ben F. Koop
Article
Fisheries
Kris A. Christensen, Alejandro P. Gutierrez, Krzysztof P. Lubieniecki, William S. Davidson