Microspongium alariae in Alaria esculenta:a widely-distributed non-parasitic brown algal endophyte that shows cell modifications within its host
Alaria esculenta is an important kelp species in northern Europe, Atlantic Canada and USA and the Arctic, with high economic potential. Microspongium alariae, a brown algal endophyte using A. esculenta as host, is reported for the first time from Scotland (Great Britain) and Brittany (France), sugge...
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ftuhipublicatio:oai:pure.atira.dk:publications/0c9148df-58ef-4d39-831d-46efcff9d0c9 2024-01-28T10:03:55+01:00 Microspongium alariae in Alaria esculenta:a widely-distributed non-parasitic brown algal endophyte that shows cell modifications within its host Murúa, Pedro Küpper, Frithjof Muñoz, Liliana Bernard, Miriam Peters, Akira F. 2018-06-11 application/pdf https://pure.uhi.ac.uk/en/publications/0c9148df-58ef-4d39-831d-46efcff9d0c9 https://doi.org/10.1515/bot-2017-0095 https://pureadmin.uhi.ac.uk/ws/files/3193451/_system_appendPDF_proof_hi.pdf eng eng info:eu-repo/semantics/openAccess Murúa , P , Küpper , F , Muñoz , L , Bernard , M & Peters , A F 2018 , ' Microspongium alariae in Alaria esculenta : a widely-distributed non-parasitic brown algal endophyte that shows cell modifications within its host ' , Botanica Marina . https://doi.org/10.1515/bot-2017-0095 chordaiaceae COI ITS1 rbcL ultrastructure article 2018 ftuhipublicatio https://doi.org/10.1515/bot-2017-0095 2024-01-04T23:21:06Z Alaria esculenta is an important kelp species in northern Europe, Atlantic Canada and USA and the Arctic, with high economic potential. Microspongium alariae, a brown algal endophyte using A. esculenta as host, is reported for the first time from Scotland (Great Britain) and Brittany (France), suggesting a wide distribution in NW Europe. The alga was found growing epi-endophytically in A. esculenta stipes and was occasionally associated with warts. Isolated Microspongium thalli grew in host-free cultures and formed plurilocular sporangia in a broad range of temperature and irradiance conditions. DNA barcoding using the nuclear ribosomal ITS1, the mitochondrial COI and the plastidial rbcL confirmed the identity of the endophyte as M. alariae. Electron microscopy was used to compare the alga when endophytic in Alaria with a host-free culture. As an endophyte, cell diameter, pyrenoid diameter and cell wall thickness were reduced. In contrast, there were more plasmodesma connections between endophyte cells, possibly to enhance nutrient transport along the endophytic thallus. In the light of this evidence, a parasitic life style is considered unlikely for the species and the adaptive value of endophytism in M. alariae remains to be elucidated. Article in Journal/Newspaper Arctic University of the Highlands and Islands: Research Database of UHI Arctic Canada Botanica Marina 61 4 343 354 |
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Open Polar |
collection |
University of the Highlands and Islands: Research Database of UHI |
op_collection_id |
ftuhipublicatio |
language |
English |
topic |
chordaiaceae COI ITS1 rbcL ultrastructure |
spellingShingle |
chordaiaceae COI ITS1 rbcL ultrastructure Murúa, Pedro Küpper, Frithjof Muñoz, Liliana Bernard, Miriam Peters, Akira F. Microspongium alariae in Alaria esculenta:a widely-distributed non-parasitic brown algal endophyte that shows cell modifications within its host |
topic_facet |
chordaiaceae COI ITS1 rbcL ultrastructure |
description |
Alaria esculenta is an important kelp species in northern Europe, Atlantic Canada and USA and the Arctic, with high economic potential. Microspongium alariae, a brown algal endophyte using A. esculenta as host, is reported for the first time from Scotland (Great Britain) and Brittany (France), suggesting a wide distribution in NW Europe. The alga was found growing epi-endophytically in A. esculenta stipes and was occasionally associated with warts. Isolated Microspongium thalli grew in host-free cultures and formed plurilocular sporangia in a broad range of temperature and irradiance conditions. DNA barcoding using the nuclear ribosomal ITS1, the mitochondrial COI and the plastidial rbcL confirmed the identity of the endophyte as M. alariae. Electron microscopy was used to compare the alga when endophytic in Alaria with a host-free culture. As an endophyte, cell diameter, pyrenoid diameter and cell wall thickness were reduced. In contrast, there were more plasmodesma connections between endophyte cells, possibly to enhance nutrient transport along the endophytic thallus. In the light of this evidence, a parasitic life style is considered unlikely for the species and the adaptive value of endophytism in M. alariae remains to be elucidated. |
format |
Article in Journal/Newspaper |
author |
Murúa, Pedro Küpper, Frithjof Muñoz, Liliana Bernard, Miriam Peters, Akira F. |
author_facet |
Murúa, Pedro Küpper, Frithjof Muñoz, Liliana Bernard, Miriam Peters, Akira F. |
author_sort |
Murúa, Pedro |
title |
Microspongium alariae in Alaria esculenta:a widely-distributed non-parasitic brown algal endophyte that shows cell modifications within its host |
title_short |
Microspongium alariae in Alaria esculenta:a widely-distributed non-parasitic brown algal endophyte that shows cell modifications within its host |
title_full |
Microspongium alariae in Alaria esculenta:a widely-distributed non-parasitic brown algal endophyte that shows cell modifications within its host |
title_fullStr |
Microspongium alariae in Alaria esculenta:a widely-distributed non-parasitic brown algal endophyte that shows cell modifications within its host |
title_full_unstemmed |
Microspongium alariae in Alaria esculenta:a widely-distributed non-parasitic brown algal endophyte that shows cell modifications within its host |
title_sort |
microspongium alariae in alaria esculenta:a widely-distributed non-parasitic brown algal endophyte that shows cell modifications within its host |
publishDate |
2018 |
url |
https://pure.uhi.ac.uk/en/publications/0c9148df-58ef-4d39-831d-46efcff9d0c9 https://doi.org/10.1515/bot-2017-0095 https://pureadmin.uhi.ac.uk/ws/files/3193451/_system_appendPDF_proof_hi.pdf |
geographic |
Arctic Canada |
geographic_facet |
Arctic Canada |
genre |
Arctic |
genre_facet |
Arctic |
op_source |
Murúa , P , Küpper , F , Muñoz , L , Bernard , M & Peters , A F 2018 , ' Microspongium alariae in Alaria esculenta : a widely-distributed non-parasitic brown algal endophyte that shows cell modifications within its host ' , Botanica Marina . https://doi.org/10.1515/bot-2017-0095 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1515/bot-2017-0095 |
container_title |
Botanica Marina |
container_volume |
61 |
container_issue |
4 |
container_start_page |
343 |
op_container_end_page |
354 |
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1789329490374033408 |