Growth of American oysters increased by polyploidy induced by blocking meiosis I but not meiosis II

Stanley, Jon G.; Hidu, Herbert; Allen, Standish K.

doi:10.1016/0044-8486(84)90072-3

Cited by 119 publications

(40 citation statements)

References 12 publications

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“…Therefore, gynogenesis may be profitably used to remove hereditary taints in hatchery broodstock. Homozygosity is also increased in triploids obtained by blocking the second meiotic division, but manifestation of deleterious recessive alleles may be prevented by the third allele of paternal origin (STANLEY et al 1984). Conversely, haploidy almost completely impaired normal development in sea bass, as also reported in other marine fish (PUKDOM 1993).…”

mentioning

confidence: 81%

Artificial fertilization and induction of triploidy and meiogynogenesis in the European sea bass, Dicentrarchus labrax L.

Colombo

Barbaro²,

Libertini³

et al. 1995

J Appl Ichthyol

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The European sea bass, Dicentrarchus labrax L., was successfully subjected to chromosome manipulation. Triploidy was induced by cold-shocking e gs at 0-2°C for 20 min starting 5 min after fertilization in order to prevent the extrusion of the secon%polar body. Meiogynogenesis was also obtained by fertilizing eggs with W-irradiated sperm (3300 and 6600 erg m-) and subsequently doublin the chromosome set by meiotic block as above. The commercial advantages of culturing triploicf and gynogenetic sea bass are discussed.

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mentioning

confidence: 81%

Artificial fertilization and induction of triploidy and meiogynogenesis in the European sea bass, Dicentrarchus labrax L.

Colombo

Barbaro²,

Libertini³

et al. 1995

J Appl Ichthyol

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“…1988). Triploid hybrids have sometimes expressed increased growth (Stanley et al 1984;Benfey et al 19891, improved disease resistance (Dorsen and Ghevassus 1984;Parsons et al 1986;Dorsen et al 1991) and earlier saltwater tolerance (Seeb et al 1993) compared with one or both of their parental species.…”

Section: Conspecificsmentioning

confidence: 98%

Triploid Coho Salmon Outperform Diploid and Triploid Hybrids Between Coho Salmon and Chinook Salmon During Their First Year

Habicht¹,

Seeb²,

Gates³

et al. 1994

Can. J. Fish. Aquat. Sci.

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Habicht, C., j.E. Seeb, R.B. Gates, I.R. Brock, and C.A. Olito. 1994. Triploid coho salmon outperform diploid and triploid hybrids between coho salmon and chinook salmon during their first year. Can. 1. Fish. Aquat. Sci. 57 (Suppl. 1): 31-37.Sterile hybrid and triploid fish may provide hatchery programs with a tool to reduce the risk of genetic contamination of wild stocks, provided these fish have acceptable performance characteristics. We examined growth, survival, and deformities in diploid and triploid families of coho salmon (Oncorhynchus kisutch) and hybrids between coho salmon females X. chinook salmon ( 0 . tshawytscha) males. Data were collected from the half-sibling families through day 387. A reparameterined Gompertm growth model showed that conspecific coho salmon grew faster than hybrids, regardless of ploidy. No difference in growth rates was found between diploids and triploids. Abnormalities were significantly associated with the male parent but not with ploidy component, in contrast to previous observations of reduced deformity occurrence in triploid hybrids. Food conversion was better for conspecifics than hybrids during initial feeding, but not different during the second half of the experiment. No ploidy or cross x ploidy interaction effects on food conversion efficiency were observed. Finally, conspecifics had better posthatching survival than hybrids, regardless of ploidy. Of the treatments studied, conspecific triploid coho salmon may be the most viable alternative for sterile fish production: they performed as well as the conspecific diploids and better than either diploid or triploid hybrids.Des poissons hybrides et des poissons triploi'des steriles pourraient &re utilises dans Bes programmes df41evage pour reduire le risque de contamination gknktique des stocks sauvages s'ils presentaient des caracteristiques de rendement acceptables. Les auteurs ont examine les taux de croissance, de survie et de difformite chez des farnilles de saumons cohos (Oncorhynchus kisutch) diploaides et triploi'des et des hybrides obtenus de croisements de saumons cohos femelles et de saumons quinnats (0. tshawytscha) males. Ils ont recueilli des donnees sur les familles 3 demi-apparentees pendant 387 jours. Une courbe de croissance reparametree de Gompertn a r6vbl6 que le taux de croissance des cohos congeneres etait plus eleve que chen les hybrides, independamment du degre de pbidie; par contre, C i nfy avait pas de diffkreaace de ce taux entre Bes saumons diploi'des et triploi'des. Les anomalies btaient liees de facon significative au parent male, mais non 3 la ploi'die; ceci va l'encontre d'observations antkrieures selon lesquelles les hybrides triploi'des montrent Len taux moindre de difformite. Le taux de conversion des aliments 4tait plus $lev6 chez les congeneres que chen les hybrides la premiere prise d'aliments, mais nf6tait pas different pendant la deuxierne moiti6 de I'experience. Les auteurs n'ont pas observ6 d'incidence du degre de plo'idie ou de ifinteraction croisement et plo'idie sur Ifefficaci...

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“…zero gametogenesis controls) and may be detrimental to their saleability for human consumption and risky for their use in genetic confinement. Numerous hypotheses have been suggested to explain the difference in growth and survival between diploid and triploid bivalves, including polyploid gigantism (Guo & Allen 1994a), heterozygosity (Stanley et al 1984, Hawkins et al 2000, gene dosage (Zouros et al 1996) and, of course, sterility (Allen & Downing 1986), which would allow energy reallocation from gonadic development to somatic growth. However, probably due to the relative technical difficulty of quantifying reproductive allocation in oysters, this factor has seldom been recorded when comparing growth performance between diploid and triploid oysters (e.g.…”

Section: Introductionmentioning

confidence: 99%

Reproductive effort and growth in Crassostrea gigas: comparison of young diploid and triploid oysters issued from natural crosses or chemical induction

Normand¹,

Ernande²,

Haure³

et al. 2009

Aquat. Biol.

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Early reproductive effort and growth were measured in 3 groups of the Pacific oyster Crassostrea gigas: 1 diploid group and 2 triploid groups resulting from either chemical induction (3nCB) or crosses between tetraploid and diploid parents (3nDT). Oysters were reared under intensive nursery conditions and sampled when 5 mo old. Reproductive effort was estimated by crosssectional area measurements of the visceral mass (i.e. gonadic occupation) and maturation stage was assessed by qualitative histology. As expected, comparison of the reproductive patterns of these 3 groups revealed a lower reproductive effort in triploid individuals relative to diploid. However, gonadic occupation in triploid oysters was higher than expected in both 3nCB and 3nDT groups, as the gonadic occupation was 47% of that in diploids at the sampling date. Our results suggest that, despite much lower mature gamete production in triploid oysters relative to diploid, their reproductive effort can be significant, even in young individuals. Additionally, a significant relationship was observed between gender and body mass within each group and for gonadic occupation in the diploid group, suggesting that there is a link between sex and fitness-related traits in C. gigas.

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Growth of American oysters increased by polyploidy induced by blocking meiosis I but not meiosis II

Cited by 119 publications

References 12 publications

Artificial fertilization and induction of triploidy and meiogynogenesis in the European sea bass, Dicentrarchus labrax L.

Artificial fertilization and induction of triploidy and meiogynogenesis in the European sea bass, Dicentrarchus labrax L.

Triploid Coho Salmon Outperform Diploid and Triploid Hybrids Between Coho Salmon and Chinook Salmon During Their First Year

Reproductive effort and growth in Crassostrea gigas: comparison of young diploid and triploid oysters issued from natural crosses or chemical induction

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