Induction of triploid embryos by heat shock in the Chilean northern scallop<i>Argopecten purpuratus</i>Lamarck, 1819

Toro, Jorge E.; Sanhueza, Mario A.; Paredes, Loreto; Canello, Flavia

doi:10.1080/00288330.1995.9516644

Cited by 11 publications

(8 citation statements)

References 13 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…The percentage of triploid larvae obtained in this study (14% and 39%) are lower than those reported for other scallop species using the same inductors, but they are within the range previously obtained in preliminary studies (5%-58%; Beaumont, 1986;Canello et al, 1992;Ruiz-Verdugo et al, 2000;Winkler et al, 1993). This suggests that results can be improved by optimizing the induction protocols (Surier et al, 2007;Toro et al, 1995). (Desroisers et al, 1993;G erard, Naciri, Peignon, Ledu, & Phelipot, 1994).…”

Section: Post-larvae Survival and Growthmentioning

confidence: 99%

“…There are several examples of studies on triploidy induction on scallops, including species such as Argopecten irradians (Cogswell, Kenchington, Roach, & MacDonald, ; Tabarini, ; Zarnoch, Surier, Karney, Schreibman, & Gamss, ), A. purpuratus (Canello, Paredes, & Toro, ; Lohrmann & von Brand, ; Toro, Sanhueza, Paredes, & Canello, ; Winkler, Ladrón de Guevara, Estévez, & Jollán, ), A. ventricosus (Ruiz‐Verdugo, Allen, & Ibarra, ; Ruiz‐Verdugo, Ramírez, Allen, & Ibarra, ), Chlamys nobilis (Komaru, Uchimura, Ieyama, & Wada, ; Zeng et al., ), C. farreri (Yang, Zhang, & Guo, ), C. varia (Barón, Diter, & Bodoy, ), Nodipecten subnodosus (Maldonado‐Amparo, Ramírez, Ávila, & Ibarra, ), Patinopecten yessoensis (Meng et al., ; Yang, Li, & Guo, ), Pecten maximus (Beaumont, ), and Placopecten magellanicus (Desroisers et al., ). The efficiency of triploidy induction varies with different species and techniques.…”

Section: Introductionmentioning

confidence: 99%

“…However, the use of chemicals has been associated with low larval survival after treatment (Barón et al., ; Maldonado‐Amparo et al., ; Tabarini, ). Comparatively, the application of thermal shocks has resulted in higher survival rates (Toro et al., ). The feasibility of triploidization and their effects on survival, development, and other productive traits have not been studied in A. nucleus .…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Effect of three triploidy induction methods on the growth and survival of larvae and post-larvae of the Caribbean scallopArgopecten nucleus

2018

View full text Add to dashboard Cite

Argopecten nucleus is a small scallop from the Caribbean Sea and a relatively new species for aquaculture. One of the key challenges to develop the farming operations for this species from the current pilot scale to commercial level is to improve its harvest size. In this study, we tested three different methods for triploidy induction. Additionally, the effect of these protocols on survival, developmental rate and size of larvae and post‐larvae were assessed. Three different mechanisms to stimulate the inhibition of the release of the second polar body were tested; (1) cold shock (18°C); (2) 6‐dimethylaminopurine (6‐DMAP); (3) cytochalasin B (CB) and (4) dimethylsulphoxide (DMSO). The treatment with 6‐DMAP yielded the highest percentage of triploid larvae (39%). The survival and development rate, however, were higher in non‐treated larvae (control) than in the treatment groups. Interestingly, larvae from CB and the DMSO control groups exhibited lower growth rates in length than those from control and the other two treatments. No influence of the triploidy induction treatments was observed on post‐larvae survival, but the size of post‐larvae was larger for the cold shock treatment and DMSO control group. Our results indicate that the use of 6‐DMAP has the greatest potential to produce triploid larvae of A. nucleus without affecting negatively growth and survival of post‐larvae.

show abstract

Section: Post-larvae Survival and Growthmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Effect of three triploidy induction methods on the growth and survival of larvae and post-larvae of the Caribbean scallopArgopecten nucleus

2018

View full text Add to dashboard Cite

show abstract

“…As a result of the post-nineties increase in scallop production, culture technologies have improved (Winkler et al, 1993;Toro et al, 1995a;Uriarte et al, 1996a;Ortiz et al, 2002). As a result of the post-nineties increase in scallop production, culture technologies have improved (Winkler et al, 1993;Toro et al, 1995a;Uriarte et al, 1996a;Ortiz et al, 2002).…”

Section: Evolution and Information Requiredmentioning

confidence: 99%

Shellfish culture in Chile

López¹,

López²,

González³

2008

IJEP

View full text Add to dashboard Cite

The present situation and future projections regarding shellfish culture in Chile are analysed. Production has increased exponentially, mainly of the 'Chilean mussel' Mytilus chilensis (Hupe) and the 'northern scallop' Argopecten purpuratus (Lamarck). At present, seven species are cultured, two of which were introduced. The total invertebrate production corresponding to cultures has increased from 1.6% to 38% over the last 15 years. The effects of the following factors on present and future levels of shellfish culture in Chile are discussed: disease, fouling, borers, red tide and environmental variations caused by the cultures themselves. Potential culture of approximately 70 commercially endemic species not only constitutes an economic option, but also favours their conservation. more than 50 publications in ISI journals on ecological aspects of aquatic resources (marine and fresh water), and aquaculture. In addition, he is a member of the national study committee and the postgraduate commission on animal health and production pertaining to the national scientific research commission, maximum organisation for the promotion, management and funding of science in Chile, and a member of the national aquaculture commission.Boris A. López graduated in marine biology and professor at the Universidad de Los Lagos. He is involved in research and is co-author of publications in the area of cirriped behaviour and culture strategies for marine invertebrates.María L. González has an MSc, and is currently a Professor at the Universidad de Los Lagos, Osorno, Chile. She specialises in aquatic invertebrate ecophysiology and has studied the metabolic responses and energetic balance of aquatic organisms under different environmental conditions. She is the Director of research projects evaluating the quality of coastal and underground waters in southern Chile. She has published more than 35 publications in 15 specialised journals.

show abstract

“…Triploid scallop induction has been performed in many species, such as C. farreri (Yang, Zhang, & Guo, ; C. C. Zhang et al, ), Chlamys varia (Barón, Diter, & Bodoy, ), C. nobilis (Komaru & Wada, ; Lin et al, ), A. ventricosus (Ruiz‐Verdugo, Allen, & Ibarra, ; Ruiz‐Verdugo et al, ), A. irradians (Tabarini, ; Yu et al, ), A. nucleus (Barreto‐Hernández, Velasco, & Winkler, ), A. purpuratus (Lohrmann & von Brand, ; Toro, Sanhueza, Paredes, & Canello, ), P. yessoensis (Chang et al, ; Meng et al, ; Z. C. Wang et al, ; Yang et al, ; Zhao, ), Pecten maximus (Beaumont, ), Placopecten magellanicus (Desroisers et al, ), and Nodipecten subnodosus (Maldonado‐Amparo, Ramírez, Ávila, & Ibarra, ). In addition, allotriploid hybrids like C. farreri ♀ × A. irradians ♂ (Meng et al, ) and C. farreri ♀ × P. yessoensis ♂ (Du, Yang, Liu, Zhou, & Wang, ) have also been developed.…”

Section: Introductionmentioning

confidence: 99%

Triploid induction by hyperosmotic shock in the Yesso scallop, Patinopecten yessoensis

Wang

2018

J World Aquaculture Soc

View full text Add to dashboard Cite

The triploid technology is a new frontier in shellfish aquaculture and has shown encouraging results in numerous shellfish species. We induced triploid larvae in the Yesso scallop, Patinopecten yessoensis, using hyperosmotic shock for the first time in this study. Different induction parameters, including salinity strength, treatment starting point, and the duration, were tested. The highest triploid ratio of D‐shaped larvae (72.12%) was obtained by 60 ppt salinity treatment for 20 min at the first appearance of zygote showing polar body II (PB2). A significantly faster growth rate was observed during the swimming larvae stage despite a decrease in the hatching and survival ratios. The triploid ratio decreased to 46.67%, and approximately 1.76 million triploid juveniles were harvested after 90 days of cultivation. The treatment parameters can be further optimized to improve the yield of Yesso scallop triploids.

show abstract

Induction of triploid embryos by heat shock in the Chilean northern scallopArgopecten purpuratusLamarck, 1819

Cited by 11 publications

References 13 publications

Effect of three triploidy induction methods on the growth and survival of larvae and post-larvae of the Caribbean scallopArgopecten nucleus

Effect of three triploidy induction methods on the growth and survival of larvae and post-larvae of the Caribbean scallopArgopecten nucleus

Shellfish culture in Chile

Triploid induction by hyperosmotic shock in the Yesso scallop, Patinopecten yessoensis

Contact Info

Product

Resources

About