Intraindividual Variation in Nuclear DNA Content in Durvillaea Antarctica (Chamisso) Hariot, Macrocystis pyrifera (Linnaeus) C. Agardh and Lessonia spicata (Suhr) Santelices (Phaeophyceae)
Macrocystis C. Agardh, Durvillaea Bory and Lessonia Bory are three brown seaweeds genera of commercial importance for Chilean fishermen. Macrocystis pyrifera (Linnaeus) C. Agardh (Laminariales, Laminariaceae) is one of the world's most ecologically and economically important seaweed collected i...
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Association des Amis des Cryptogames
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ftubarcepubl:oai:diposit.ub.edu:2445/174918 2024-02-11T09:56:03+01:00 Intraindividual Variation in Nuclear DNA Content in Durvillaea Antarctica (Chamisso) Hariot, Macrocystis pyrifera (Linnaeus) C. Agardh and Lessonia spicata (Suhr) Santelices (Phaeophyceae) Salvador Soler, Noemi Rull, Jordi Gómez Garreta, Ma. Amelia 2019 8 p. application/pdf http://hdl.handle.net/2445/174918 eng eng Association des Amis des Cryptogames Reproducció del document publicat a: https://doi.org/10.5252/cryptogamie-algologie2019v40a2. Cryptogamie Algologie, 2019, vol. 40, num. 2, p. 5-12 Articles publicats en revistes (Biologia, Sanitat i Medi Ambient) 0181-1568 http://hdl.handle.net/2445/174918 693624 (c) Association des Amis des Cryptogames, 2019 info:eu-repo/semantics/openAccess Algues Taxonomia (Biologia) ADN Cicles vitals (Biologia) Algae Taxonomy (Biology) DNA Life cycles (Biology) info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 2019 ftubarcepubl https://doi.org/10.5252/cryptogamie-algologie2019v40a2 2024-01-24T01:14:27Z Macrocystis C. Agardh, Durvillaea Bory and Lessonia Bory are three brown seaweeds genera of commercial importance for Chilean fishermen. Macrocystis pyrifera (Linnaeus) C. Agardh (Laminariales, Laminariaceae) is one of the world's most ecologically and economically important seaweed collected in Chile for alginate extraction; and as food for abalone aquaculture, Lessonia spicata (Suhr) Santelices (Laminariales, Lessoniaceae) represents more than 70% of the total brown seaweeds annual landing in Chile; and Durvillaea antarctica (Chamisso) Hariot (Fucales, Durvillaeaceae) is consumed as food, being considered very healthy because of its iodine content. Despite the economic importance of these species their nuclear DNA content is unknown until this moment. The present research was initiated to determine the nuclear DNA content and the intraindividual ploidy level variation in these seaweeds. The DNA-localizing fluorochrome DAPI (4',6-diamidino-2-phenylindole) and red blood cell (chicken erythrocyte) standard were used to estimate the nuclear DNA contents by image analysis. Durvillaea antarctica presented lower 2C DNA (1.2 pg) content and narrower range of DNA contents (1C-2C) than the Laminariales, which showed higher 2C DNA contents (1.4 -1.5 pg) and a wider range of ploidy level, achieving up to 4C in L. spicata and up to 8C in M. pyrifera. This higher ploidy levels observed would be related with the more complex cortical organization in the Laminariales than D. antarctica. 1C nuclei were only found in mature antheridia (D. antarctica) and sporangia (M. pyrifera and L. spicata). The 2C values observed for the taxa assessed were in the range of other previously published Fucales and Laminariales. Article in Journal/Newspaper Antarc* Antarctica Dipòsit Digital de la Universitat de Barcelona Bory ENVELOPE(40.372,40.372,64.489,64.489) Cryptogamie, Algologie 40 1 5 |
institution |
Open Polar |
collection |
Dipòsit Digital de la Universitat de Barcelona |
op_collection_id |
ftubarcepubl |
language |
English |
topic |
Algues Taxonomia (Biologia) ADN Cicles vitals (Biologia) Algae Taxonomy (Biology) DNA Life cycles (Biology) |
spellingShingle |
Algues Taxonomia (Biologia) ADN Cicles vitals (Biologia) Algae Taxonomy (Biology) DNA Life cycles (Biology) Salvador Soler, Noemi Rull, Jordi Gómez Garreta, Ma. Amelia Intraindividual Variation in Nuclear DNA Content in Durvillaea Antarctica (Chamisso) Hariot, Macrocystis pyrifera (Linnaeus) C. Agardh and Lessonia spicata (Suhr) Santelices (Phaeophyceae) |
topic_facet |
Algues Taxonomia (Biologia) ADN Cicles vitals (Biologia) Algae Taxonomy (Biology) DNA Life cycles (Biology) |
description |
Macrocystis C. Agardh, Durvillaea Bory and Lessonia Bory are three brown seaweeds genera of commercial importance for Chilean fishermen. Macrocystis pyrifera (Linnaeus) C. Agardh (Laminariales, Laminariaceae) is one of the world's most ecologically and economically important seaweed collected in Chile for alginate extraction; and as food for abalone aquaculture, Lessonia spicata (Suhr) Santelices (Laminariales, Lessoniaceae) represents more than 70% of the total brown seaweeds annual landing in Chile; and Durvillaea antarctica (Chamisso) Hariot (Fucales, Durvillaeaceae) is consumed as food, being considered very healthy because of its iodine content. Despite the economic importance of these species their nuclear DNA content is unknown until this moment. The present research was initiated to determine the nuclear DNA content and the intraindividual ploidy level variation in these seaweeds. The DNA-localizing fluorochrome DAPI (4',6-diamidino-2-phenylindole) and red blood cell (chicken erythrocyte) standard were used to estimate the nuclear DNA contents by image analysis. Durvillaea antarctica presented lower 2C DNA (1.2 pg) content and narrower range of DNA contents (1C-2C) than the Laminariales, which showed higher 2C DNA contents (1.4 -1.5 pg) and a wider range of ploidy level, achieving up to 4C in L. spicata and up to 8C in M. pyrifera. This higher ploidy levels observed would be related with the more complex cortical organization in the Laminariales than D. antarctica. 1C nuclei were only found in mature antheridia (D. antarctica) and sporangia (M. pyrifera and L. spicata). The 2C values observed for the taxa assessed were in the range of other previously published Fucales and Laminariales. |
format |
Article in Journal/Newspaper |
author |
Salvador Soler, Noemi Rull, Jordi Gómez Garreta, Ma. Amelia |
author_facet |
Salvador Soler, Noemi Rull, Jordi Gómez Garreta, Ma. Amelia |
author_sort |
Salvador Soler, Noemi |
title |
Intraindividual Variation in Nuclear DNA Content in Durvillaea Antarctica (Chamisso) Hariot, Macrocystis pyrifera (Linnaeus) C. Agardh and Lessonia spicata (Suhr) Santelices (Phaeophyceae) |
title_short |
Intraindividual Variation in Nuclear DNA Content in Durvillaea Antarctica (Chamisso) Hariot, Macrocystis pyrifera (Linnaeus) C. Agardh and Lessonia spicata (Suhr) Santelices (Phaeophyceae) |
title_full |
Intraindividual Variation in Nuclear DNA Content in Durvillaea Antarctica (Chamisso) Hariot, Macrocystis pyrifera (Linnaeus) C. Agardh and Lessonia spicata (Suhr) Santelices (Phaeophyceae) |
title_fullStr |
Intraindividual Variation in Nuclear DNA Content in Durvillaea Antarctica (Chamisso) Hariot, Macrocystis pyrifera (Linnaeus) C. Agardh and Lessonia spicata (Suhr) Santelices (Phaeophyceae) |
title_full_unstemmed |
Intraindividual Variation in Nuclear DNA Content in Durvillaea Antarctica (Chamisso) Hariot, Macrocystis pyrifera (Linnaeus) C. Agardh and Lessonia spicata (Suhr) Santelices (Phaeophyceae) |
title_sort |
intraindividual variation in nuclear dna content in durvillaea antarctica (chamisso) hariot, macrocystis pyrifera (linnaeus) c. agardh and lessonia spicata (suhr) santelices (phaeophyceae) |
publisher |
Association des Amis des Cryptogames |
publishDate |
2019 |
url |
http://hdl.handle.net/2445/174918 |
long_lat |
ENVELOPE(40.372,40.372,64.489,64.489) |
geographic |
Bory |
geographic_facet |
Bory |
genre |
Antarc* Antarctica |
genre_facet |
Antarc* Antarctica |
op_relation |
Reproducció del document publicat a: https://doi.org/10.5252/cryptogamie-algologie2019v40a2. Cryptogamie Algologie, 2019, vol. 40, num. 2, p. 5-12 Articles publicats en revistes (Biologia, Sanitat i Medi Ambient) 0181-1568 http://hdl.handle.net/2445/174918 693624 |
op_rights |
(c) Association des Amis des Cryptogames, 2019 info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.5252/cryptogamie-algologie2019v40a2 |
container_title |
Cryptogamie, Algologie |
container_volume |
40 |
container_issue |
1 |
container_start_page |
5 |
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1790600310934208512 |