Journal
FISHERIES SCIENCE
Volume 85, Issue 3, Pages 429-437Publisher
SPRINGER JAPAN KK
DOI: 10.1007/s12562-019-01299-y
Keywords
Germ cell transplantation; Germ-line stem cell; Spermatogonia; Cryopreservation; Sterilization
Categories
Funding
- Japan Science and Technology Agency [18H05545, 18077249]
- Ocean Resource Use Promotion Technology Development Program of the Ministry of Education, Culture, Sports, Science and Technology
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Surrogate broodstock technology facilitates the production of donor-derived gametes in surrogates, and comprises transplanting germ cells of a donor into recipients of a different strain or different species. The following applications of this technology are expected in the field of aquaculture: (1) the efficient and reliable production of offspring carrying superior genetic traits by transplanting donor germ cells from a single selected fish with superior traits into many recipient fish; (2) the reduction of the time required to breed fish by using a recipient species with a short generation time to produce gametes of a species with a long generation time; (3) the long-term storage of valuable species or strains as genetic resources by cryopreserving germ cells for transplantation; (4) the mass production of genetically sterile fish by transplanting germ cells of a donor fish that is sterile due to a mutation in the somatic cells into normal recipients without this mutation. It is expected that a combination of these techniques will greatly accelerate the breeding of aquaculture species. It is important to adapt surrogate broodstock technology to a wider range of fishery species and further improve the efficiency of donor-derived gamete production when using surrogate broodstock.
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