Publications by authors named "Dang Quang Hieu"
Article Synopsis
- * This study created a high-quality genome assembly of striped catfish, crucial for the aquaculture industry in Vietnam, resulting in a 788.4 Mb genome with 381 scaffolds and improved structuring into 30 chromosome groups.
- * The new assembly shows significant enhancements over previous versions, including higher identification of repeat elements and BUSCO genes, and will serve as an important genomic resource for research in genetics, conservation, and breeding of striped catfish.
Article Synopsis
- Juvenile striped catfish were exposed to increasing salinity levels from freshwater to 20 psu over a 14-day period, and their intestinal microbial profiles and gene expressions were analyzed at the beginning and end of exposure.
- The study found that as salinity increased, the diversity of gut bacteria decreased, with notable changes in specific bacterial genera; Vibrio increased while Akkermansia decreased, and the presence of Sulfurospirillium was higher in fish subjected to saline treatments.
- Additionally, the fish showed changes in gene expression related to osmoregulation and stress response, indicating adaptations to higher salinity levels, especially at 15 and 20 psu.
Article Synopsis
- The study investigated how striped catfish larvae responded to increasing salinity levels over a 10-day period, followed by exposure to a heat shock at 39 °C to assess their stress tolerance.
- Results indicated that the highest salinity treatment (20 psu) led to a significantly lower survival rate (28.6%) compared to other levels, with the best survival found at 5 psu (68.9%).
- Additionally, digestive enzyme activities generally increased with salinity, but deformities were more common in fish raised at higher salinities, suggesting optimal rearing conditions are between 5 to 10 psu for improved survival and stress tolerance.