Negative correlation between aneuploidy and growth in the Pacific oyster, Crassostrea gigas: ten years of evidence
International audience This study unites previous and new observations that chromosome loss in somatic cells of juveniles of the Pacific oyster Crassostrea gigas is associated with reduced growth rate. New data were obtained from four hatchery-produced progenies. Within each progeny, oysters of iden...
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Online Access: | https://hal.science/hal-03483065 https://doi.org/10.1016/S0044-8486(00)00488-9 |
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ftsorbonneuniv:oai:HAL:hal-03483065v1 2024-09-15T18:03:08+00:00 Negative correlation between aneuploidy and growth in the Pacific oyster, Crassostrea gigas: ten years of evidence Leitao, A Boudry, P Thiriot-Quievreux, C Inconnu Laboratoire d'océanographie de Villefranche (LOV) Observatoire océanologique de Villefranche-sur-mer (OOVM) Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS) 2001 https://hal.science/hal-03483065 https://doi.org/10.1016/S0044-8486(00)00488-9 en eng HAL CCSD Elsevier info:eu-repo/semantics/altIdentifier/doi/10.1016/S0044-8486(00)00488-9 hal-03483065 https://hal.science/hal-03483065 doi:10.1016/S0044-8486(00)00488-9 ISSN: 0044-8486 EISSN: 1873-5622 Aquaculture https://hal.science/hal-03483065 Aquaculture, 2001, 193 (1-2), pp.39-48. ⟨10.1016/S0044-8486(00)00488-9⟩ [SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography info:eu-repo/semantics/article Journal articles 2001 ftsorbonneuniv https://doi.org/10.1016/S0044-8486(00)00488-9 2024-07-25T23:47:52Z International audience This study unites previous and new observations that chromosome loss in somatic cells of juveniles of the Pacific oyster Crassostrea gigas is associated with reduced growth rate. New data were obtained from four hatchery-produced progenies. Within each progeny, oysters of identical age were sampled and classified as fast-growing or slow-growing according to their shell length, or live weight. Chromosome numbers were individually scored from 30 randomly chosen metaphases from gill tissue. Although the diploid chromosome number in C. gigas is 2N = 20, hypodiploid cells of 2N = 19, 18 or 17 were observed in all progenies. The difference in percentage of aneuploidy between fast- and slow-growing oysters ranged from 5% to 22% and was highly significant. In one progeny, a highly significant negative correlation (R-2 = 0.58) was observed between individual level of aneuploidy and growth performances individually recorded under common controlled conditions. The consistency of the negative relationship between growth rate and aneuploidy was obvious in all populations studied between 1988 and 1999. However, when comparing aneuploidy between fast- and slow-growing oysters, two different groups of populations can be clearly distinguished. The question remains to determine the cause of these differences. (C) 2001 Elsevier Science B.V. All rights reserved. Article in Journal/Newspaper Crassostrea gigas Pacific oyster HAL Sorbonne Université Aquaculture 193 1-2 39 48 |
institution |
Open Polar |
collection |
HAL Sorbonne Université |
op_collection_id |
ftsorbonneuniv |
language |
English |
topic |
[SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography |
spellingShingle |
[SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography Leitao, A Boudry, P Thiriot-Quievreux, C Negative correlation between aneuploidy and growth in the Pacific oyster, Crassostrea gigas: ten years of evidence |
topic_facet |
[SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography |
description |
International audience This study unites previous and new observations that chromosome loss in somatic cells of juveniles of the Pacific oyster Crassostrea gigas is associated with reduced growth rate. New data were obtained from four hatchery-produced progenies. Within each progeny, oysters of identical age were sampled and classified as fast-growing or slow-growing according to their shell length, or live weight. Chromosome numbers were individually scored from 30 randomly chosen metaphases from gill tissue. Although the diploid chromosome number in C. gigas is 2N = 20, hypodiploid cells of 2N = 19, 18 or 17 were observed in all progenies. The difference in percentage of aneuploidy between fast- and slow-growing oysters ranged from 5% to 22% and was highly significant. In one progeny, a highly significant negative correlation (R-2 = 0.58) was observed between individual level of aneuploidy and growth performances individually recorded under common controlled conditions. The consistency of the negative relationship between growth rate and aneuploidy was obvious in all populations studied between 1988 and 1999. However, when comparing aneuploidy between fast- and slow-growing oysters, two different groups of populations can be clearly distinguished. The question remains to determine the cause of these differences. (C) 2001 Elsevier Science B.V. All rights reserved. |
author2 |
Inconnu Laboratoire d'océanographie de Villefranche (LOV) Observatoire océanologique de Villefranche-sur-mer (OOVM) Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS) |
format |
Article in Journal/Newspaper |
author |
Leitao, A Boudry, P Thiriot-Quievreux, C |
author_facet |
Leitao, A Boudry, P Thiriot-Quievreux, C |
author_sort |
Leitao, A |
title |
Negative correlation between aneuploidy and growth in the Pacific oyster, Crassostrea gigas: ten years of evidence |
title_short |
Negative correlation between aneuploidy and growth in the Pacific oyster, Crassostrea gigas: ten years of evidence |
title_full |
Negative correlation between aneuploidy and growth in the Pacific oyster, Crassostrea gigas: ten years of evidence |
title_fullStr |
Negative correlation between aneuploidy and growth in the Pacific oyster, Crassostrea gigas: ten years of evidence |
title_full_unstemmed |
Negative correlation between aneuploidy and growth in the Pacific oyster, Crassostrea gigas: ten years of evidence |
title_sort |
negative correlation between aneuploidy and growth in the pacific oyster, crassostrea gigas: ten years of evidence |
publisher |
HAL CCSD |
publishDate |
2001 |
url |
https://hal.science/hal-03483065 https://doi.org/10.1016/S0044-8486(00)00488-9 |
genre |
Crassostrea gigas Pacific oyster |
genre_facet |
Crassostrea gigas Pacific oyster |
op_source |
ISSN: 0044-8486 EISSN: 1873-5622 Aquaculture https://hal.science/hal-03483065 Aquaculture, 2001, 193 (1-2), pp.39-48. ⟨10.1016/S0044-8486(00)00488-9⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1016/S0044-8486(00)00488-9 hal-03483065 https://hal.science/hal-03483065 doi:10.1016/S0044-8486(00)00488-9 |
op_doi |
https://doi.org/10.1016/S0044-8486(00)00488-9 |
container_title |
Aquaculture |
container_volume |
193 |
container_issue |
1-2 |
container_start_page |
39 |
op_container_end_page |
48 |
_version_ |
1810440651612880896 |