Genetic Linkage Map of Japanese Flounder
Author Information
Author(s): Castaño-Sánchez Cecilia, Fuji Kanako, Ozaki Akiyuki, Hasegawa Osamu, Sakamoto Takashi, Morishima Kagayaki, Nakayama Ichiro, Fujiwara Atsushi, Masaoka Tetsuji, Okamoto Hiroyuki, Hayashida Kengo, Tagami Michihira, Kawai Jun, Hayashizaki Yoshihide, Okamoto Nobuaki
Primary Institution: Tokyo University of Marine Science and Technology
Hypothesis
Can improved genetic linkage maps enhance breeding programs for Japanese flounder?
Conclusion
The new genetic linkage maps are valuable for QTL analyses and marker-assisted selection in Japanese flounder.
Supporting Evidence
- The male map contains 1,167 markers and the female map contains 1,067 markers.
- The maps cover 82% of the male genome and 79% of the female genome.
- The study utilized a hybrid population for constructing the genetic linkage maps.
Takeaway
Scientists created a detailed map of the genes in Japanese flounder to help breed better fish that can resist diseases.
Methodology
The study constructed sex-specific genetic linkage maps using 1,375 markers, including microsatellites and SNPs, from a hybrid population.
Limitations
Some regions of the female map remain poorly covered, and gaps were observed in certain linkage groups.
Participant Demographics
The study involved a hybrid population derived from four strains of Japanese flounder.
Digital Object Identifier (DOI)
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