Genetic Variation of MHC Class II DAB Gene in Japanese Flounder Families
Author Information
Author(s): Min Du, Chen Song-lin, Liang You, Wang Lei, Gao Feng-tao, Liu Yang, Liao Xiao-Lin
Primary Institution: Key Lab for Sustainable Utilization of Marine Fisheries Resources, Ministry of Agriculture, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences
Hypothesis
The study aims to determine the genetic variation of the MHC class IIB exon2 allele in Japanese flounder and its association with resistance to V. anguillarum.
Conclusion
The study found that certain MHC class II B alleles are associated with resistance to V. anguillarum in Japanese flounder.
Supporting Evidence
- The study identified 116 different MHC class II B exon2 sequences from 180 individuals.
- Alleles Paol-DAB*4301, Paol-DAB*4601, Paol-DAB*4302, Paol-DAB*3803, and Paol-DAB*4101 were associated with resistance to V. anguillarum.
- Balancing selection was indicated by a higher rate of non-synonymous substitutions in the peptide-binding region of the MHC class II B gene.
Takeaway
The researchers looked at the genes of flounder fish to see which ones help them survive a bacteria that can make them sick.
Methodology
The study involved challenging 700 fry from seven families of Japanese flounder with V. anguillarum and analyzing their MHC class II B exon2 gene using PCR and sequencing.
Potential Biases
Potential bias may arise from the selective breeding practices used in the study.
Limitations
The study's findings may not be generalizable beyond the specific families of flounder studied.
Participant Demographics
The study focused on seven families of Japanese flounder (Paralichthys olivaceus).
Statistical Information
P-Value
0.0010
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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