John Gitau Mwaura

ORCID: 0000-0002-9006-8505
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About
Contact & Profiles
Research Areas
  • Aquaculture disease management and microbiota
  • Aquaculture Nutrition and Growth
  • Physiological and biochemical adaptations
  • Fish Biology and Ecology Studies
  • Microbial Community Ecology and Physiology
  • Vibrio bacteria research studies
  • Gut microbiota and health

Masinde Muliro University of Science and Technology
2023-2024

A diverse range of pollutants, including heavy metals, agrochemicals, pharmaceutical residues, illicit drugs, personal care products, and other anthropogenic contaminants, pose a significant threat to aquatic ecosystems. The Winam Gulf Lake Victoria, heavily impacted by surrounding human activities, faces potential contamination from these pollutants. However, studies exploring the presence antibiotic resistance genes (ARGs) in lake remain limited. In current study, shotgun metagenomics...

10.1155/jotm/7857069 article EN cc-by Journal of Tropical Medicine 2024-01-01

Chronic stress is a serious threat to aquaculture as it lowers fish growth performance and compromises welfare. The exact mechanism by which retarded is, however, not clearly understood. This study sought elucidate the gene expression profiles associated with chronic in cultured Nile tilapia (Oreochromis niloticus) reared for 70 days at different ammonia concentrations stocking densities. Fish treatment groups showed negative growth, while controls positive allometric growth. specific...

10.3390/genes14040795 article EN Genes 2023-03-25

Abstract Background Nile tilapia has a variety of phenotypes suitable for aquaculture farming, yet its entire gene pool with potential breeding climate ready strains in resource-limited settings remains scanty and poorly documented. SNP calling become increasingly popular molecular genetic studies due to their abundance precision estimating identifying an organism’s makeup. SNPs are versatile trait-specific breeding, which, contrast pedigree is affordable speeds up advancement by allowing...

10.1186/s41936-023-00346-6 article EN cc-by The Journal of Basic and Applied Zoology 2023-10-08

Chronic stress poses a significant challenge to aquaculture production, and cortisol glucose have traditionally served as markers. However, recent doubts emerged about the reliability of scale chronic determinant due its involvement in calcium homeostasis. While influences gene expression response cascade, few studies explore impact on metabolic pathways cultured Nile tilapia. This study delves into relationship between signatures tilapia regulation Mitogen Activated Protein Kinase (MAPK)...

10.1101/2024.02.14.580283 preprint EN cc-by bioRxiv (Cold Spring Harbor Laboratory) 2024-02-18
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