HyeongJin Roh

ORCID: 0000-0002-1825-2375
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Research Areas
  • Aquaculture disease management and microbiota
  • Physiological and biochemical adaptations
  • Aquaculture Nutrition and Growth
  • Genomics and Phylogenetic Studies
  • Bacteriophages and microbial interactions
  • Microbial infections and disease research
  • Identification and Quantification in Food
  • Marine Bivalve and Aquaculture Studies
  • Animal Virus Infections Studies
  • Pharmaceutical and Antibiotic Environmental Impacts
  • Vibrio bacteria research studies
  • Myxozoan Parasites in Aquatic Species
  • Fish biology, ecology, and behavior
  • Streptococcal Infections and Treatments
  • Laser Applications in Dentistry and Medicine
  • MicroRNA in disease regulation
  • Gut microbiota and health
  • Invertebrate Immune Response Mechanisms
  • Aquatic life and conservation
  • Ichthyology and Marine Biology
  • Parasite Biology and Host Interactions
  • Meat and Animal Product Quality
  • Fish Biology and Ecology Studies
  • Marine and Coastal Research
  • Iron Metabolism and Disorders

Gyeongsang National University
2025

Norwegian Institute of Marine Research
2022-2024

Pukyong National University
2016-2024

Abstract Farmed Atlantic salmon ( Salmo salar ) welfare and performance can be strongly influenced by stress episodes caused handling during farming practices. To better understand the changes occurring after an acute response, we exposed a group of parr to stressor, which involved netting transferring fish several new holding tanks. We describe time-course response sampling in groups before (T0) 10, 20, 30, 45, 60, 120, 240, 300, 330 min post-stress. A subgroup was also subjected same...

10.1007/s10695-022-01163-4 article EN cc-by Fish Physiology and Biochemistry 2022-12-27

The overuse of antibiotics in aquaculture drives the emergence multi-drug-resistant bacteria, and antibiotic-resistant genes (ARGs) can be disseminated to other bacteria through vertical- horizontal gene transfer (VGT HGT) under selective pressure. Profiling antibiotic resistome understanding global distribution ARGs constitutes first step developing a control strategy. Hence, this study utilized extensive genomic data from hundreds Aeromonas strains profile patterns explores their...

10.1016/j.envres.2023.117273 article EN cc-by Environmental Research 2023-10-05

The use of probiotics is considered an attractive biocontrol method. It effective in growth promotion aquaculture. However, the mode action fish terms remains unclear. objective present study was to investigate effect dietary administration host-derived probiotics, Lactococcus lactis WFLU12, on olive flounder compared control group fed with basal diet by analyzing their intestinal and serum metabolome using capillary electrophoresis mass spectrometry time-of flight (CE-TOFMS). Results...

10.3389/fmicb.2018.02059 article EN cc-by Frontiers in Microbiology 2018-09-05

In recent years, poikilothermic animals such as fish have increasingly been exposed to stressful high-temperature environments due global warming. However, systemic changes in under thermal stress are not fully understood yet at both the transcriptome and proteome level. Therefore, objective of this study was investigate immuno-physiological responses extreme through integrated multi-omics analysis. Trout were acute by raising water temperature from 15 25 °C within 30 min. Head-kidney plasma...

10.3390/ijms21239198 article EN International Journal of Molecular Sciences 2020-12-02

Although over-nutrition from overfeeding-induced obesity is known to be highly associated with metabolic and immunological disorders in humans, little about fish farming. The purpose of this study was investigate changes immuno-physiological parameters, better understand the potential risk fish. Commercial feed provided overfed group until they refuse eat, but control fed at 1% bodyweight per day. hemato-serological, histological, were observed weeks 2 8. Rainbow trout leukocytes...

10.3390/ani10091499 article EN cc-by Animals 2020-08-25

Rock bream iridovirus (RBIV) is a notorious agent that causes high mortality in aquaculture of rock (Oplegnathus fasciatus). Despite severity this virus, no transcriptomic studies on RBIV-infected can provide fundamental information protective mechanism against the virus have been reported so far. This study aimed to investigate physiological mechanisms between host and RBIV through changes spleen based RNA-seq. Depending infection intensity sampling time point, fish were divided into five...

10.3390/ijms21051707 article EN International Journal of Molecular Sciences 2020-03-02

Significant increases in the bacterial resistance to various antibiotics have been found fish farms. Non-antibiotic therapies for infectious diseases aquaculture are needed. In recent years, light-emitting diode technology has applied inactivation of pathogens, especially those affecting humans. The purpose this study was assess effect blue light (wavelengths 405 and 465 nm) on seven major pathogens that affect shellfish important aquaculture. We successfully demonstrate activity a...

10.1186/s41240-016-0029-5 article EN cc-by-nc Fisheries and aquatic sciences 2016-08-19

Abstract Although Carnobacterium maltaromaticum has been used as a probiotic in fish, it was reported to cause disease for the first time Korea. The objective of this study understand differences between pathogenic and non‐pathogenic strains. Pathogenicity tested by challenging rainbow trout with C. ATCC35586 18ISCm isolated from diseased DSM20342 dairy product. We also compared 24 genomes strains plus genome our isolate sequenced study. Only fish caused high mortality severe...

10.1111/jfd.13208 article EN Journal of Fish Diseases 2020-07-06

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10.1111/jfd.12908 article EN Journal of Fish Diseases 2018-10-22

Ichthyophthirius multifiliis is a major pathogen that causes high mortality rate in trout farms. However, systemic responses to the and its interactions with multiple organs during course of infection have not been well described. In this study, dual-organ transcriptomic liver head kidney hemato-serological indexes were profiled under I. recovery investigate immuno-physiological characteristics. Several strategies for massive interpretation, such as differentially expressed genes (DEGs),...

10.3389/fimmu.2021.677730 article EN cc-by Frontiers in Immunology 2021-07-08

Piscine orthoreovirus -1 (PRV-1) causes the disease heart and skeletal muscle inflammation (HSMI) in farmed Atlantic salmon, virus has been detected wild anadromous salmon brown trout. However, infection prevalence, viral kinetics, severity different life stages of trout are unknown. The current study aimed to evaluate compare susceptibility PRV-1 development HSMI ( Salmo salar ) trutta ). We challenged fry, parr, post-smolts with by bath, cohabitation, or IP injection. kinetics were...

10.3389/fmars.2023.1151577 article EN cc-by Frontiers in Marine Science 2023-04-20
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