Khor Waiho

ORCID: 0000-0002-2632-3612
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About
Contact & Profiles
Research Areas
  • Crustacean biology and ecology
  • Aquaculture Nutrition and Growth
  • Marine and fisheries research
  • Aquaculture disease management and microbiota
  • Microplastics and Plastic Pollution
  • Fish biology, ecology, and behavior
  • Invertebrate Immune Response Mechanisms
  • Coral and Marine Ecosystems Studies
  • Marine Biology and Ecology Research
  • Aquatic life and conservation
  • Marine Bivalve and Aquaculture Studies
  • Parasite Biology and Host Interactions
  • Reproductive biology and impacts on aquatic species
  • Nanoparticles: synthesis and applications
  • Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities
  • Physiological and biochemical adaptations
  • Environmental Toxicology and Ecotoxicology
  • Fish Biology and Ecology Studies
  • Neurobiology and Insect Physiology Research
  • Marine Biology and Environmental Chemistry
  • Fish Ecology and Management Studies
  • Protein Hydrolysis and Bioactive Peptides
  • biodegradable polymer synthesis and properties
  • Identification and Quantification in Food
  • Graphene and Nanomaterials Applications

Universiti Malaysia Terengganu
2016-2025

Universiti Sains Malaysia
2021-2025

Shantou University
2017-2024

Beibu Gulf University
2024

Kasetsart University
2023-2024

St Petersburg University
2023

King Abdulaziz University
2023

Shell (Malaysia)
2021-2022

Universiti Malaysia Sarawak
2022

Hasanuddin University
2022

The year 2020 was being ushered in by a global pandemic. Within months, COronaVIrus Disease (COVID-19) has spread to almost every country. With its long incubation period and highly contagious characteristics, most countries have initiated lockdown social distancing is the new norm societies. Malaysia implemented Movement Control Order (MCO) on 18 March when cumulative COVID-19 cases were still below 800. Since then, MCO extended several times latest phase of Recovery (RMCO) will last until...

10.1016/j.aqrep.2020.100450 article EN cc-by-nc-nd Aquaculture Reports 2020-08-26

Fish gill tissue is a primary organ responsive to acute oxygen deprivation or dissolved (DO) fluctuations in aquatic environments. However, the adaptive mechanism of crucian carp hypoxic stress remains largely unknown. Here, we investigated physiological and transcriptomic changes exposed conditions (dissolved concentration 0.6 ± 0.3 mg/L) for different durations (0 d, 1 2d, 3d, 4 5d). Transcriptomic analysis revealed that hypoxia group (0.6 mg/L DO) exhibited reduction interlamellar cell...

10.3389/fimmu.2025.1543605 article EN cc-by Frontiers in Immunology 2025-02-05

Mud crabs, Scylla spp., are commercially important large-size marine crustaceans in the Indo-West Pacific region. As females have higher growth rate and economic value, production of all female stocks is extremely essential aquaculture. However, sex determination mechanism still unclear. Development sex-specific genetic markers based on next-generation sequencing proved to be an effective tool for discovering system various animals. Restriction-site associated DNA (RAD-seq) was employed...

10.1186/s12864-018-5380-8 article EN cc-by BMC Genomics 2018-12-01

Mud crabs from the genus Scylla have high commercial value and are considered as one of highly sought luxury seafood items. Thorough understanding about their biology mating behaviour is vital in providing important information for a sustainable exploitation future incorporation into aquaculture industry. The process S. olivacea lasted 82.0 ± 10.8 h was divided four phases: precopulation, molting, copulation, postcopulation. Courtship displays fighting were shown by mature males while they...

10.1016/j.aqrep.2015.08.004 article EN cc-by-nc-nd Aquaculture Reports 2015-08-29

Abstract Water temperature is among the most important factors affecting reproduction and development of brachyuran crabs. The increase in mean global resulting from climate change atmospheric warming subjects all organisms to potential thermal stress. This paper reviews effects climate‐induce water on tolerance, polygon as expressed by changes growth, development, resistance, maturation, spawning embryonic throughout crab's lifespan. Survival growth crabs, particularly during moulting,...

10.1111/raq.12380 article EN Reviews in Aquaculture 2019-08-19

The size distribution, length–weight relationship and at the onset of sexual maturity orange mud crab (Scylla olivacea) from four geographically distinct locations (Taiping, Setiu, Kota Marudu Lundu) representing Malaysian waters were analysed estimated. Scylla olivacea was found in range 47–134 mm carapace width. Males significantly smaller but heavier than females. Geographical variation width body weight significant, no interaction between sexes locations. As shown by relationships S....

10.1080/17451000.2016.1200726 article EN Marine Biology Research 2016-07-27

Abstract Ecdysone receptor (EcR) is the primary regulator of ecdysteroid signalling pathway, a critical pathway that directly links to moulting. In addition, EcR also regulates growth, development, reproduction and regeneration in crustaceans. However, there remains huge gap knowledge between detailed structure functional role(s) crustacean compared insects. Motif phylogenetic analyses publicly available proteins revealed evolutionary relationship this subphylum highlighted its conserved...

10.1111/raq.12552 article EN Reviews in Aquaculture 2021-03-26

Exposing marine organisms to contemporary contaminants, such as perfluorooctanoic acid (PFOA) and nano-titanium dioxide (nano-TiO2), can induce multifaceted physiological consequences. Our investigation centered on the responses of mussel, Mytilus coruscus, these agents. We discerned pronounced disruptions in gill filament connections, pivotal structures for aquatic respiration, suggesting compromised oxygen uptake capabilities. Concurrently, respiratory rate exhibited a marked decline,...

10.1016/j.envint.2024.108681 article EN cc-by-nc-nd Environment International 2024-04-21

Adequate genetic information is essential for sustainable crustacean fisheries and aquaculture management. The commercially important orange mud crab, Scylla olivacea, prevalent in Southeast Asia region highly sought after. Although it a suitable candidate, full domestication of this species hampered by the lack knowledge about sexual maturation process molecular mechanisms behind it, especially males. To date, data on its whole genome yet to be reported S. olivacea. available transcriptome...

10.1371/journal.pone.0171095 article EN cc-by PLoS ONE 2017-01-30

Mud crab, Scylla paramamosain is one of the most important crustacean species in global aquaculture. To determine genetic basis sex and growth-related traits S. paramamosain, a high-density linkage map with 16,701 single nucleotide polymorphisms (SNPs) was constructed using SLAF-seq full-sib family. The consensus has 49 groups, spanning 5,996.66 cM an average marker-interval 0.81 cM. A total 516 SNP markers, including 8 female-specific SNPs segregated two quantitative trait loci (QTLs) for...

10.3389/fgene.2019.00298 article EN cc-by Frontiers in Genetics 2019-04-05
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