Austrostigmidium , a new austral genus of lichenicolous fungi close to rock-inhabiting meristematic fungi in Teratosphaeriaceae
Abstract The new genus of lichenicolous fungi Austrostigmidium is described from Antarctica and Tierra del Fuego (Chile). It is characterized by the presence of black pseudothecia, pseudoparaphyses, fissitunicate, I−, KI− asci and 3-septate hyaline ascospores. So far, the only known species grows on...
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Online Access: | http://dx.doi.org/10.1017/s0024282915000031 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0024282915000031 |
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crcambridgeupr:10.1017/s0024282915000031 2024-03-03T08:38:29+00:00 Austrostigmidium , a new austral genus of lichenicolous fungi close to rock-inhabiting meristematic fungi in Teratosphaeriaceae Pérez-Ortega, Sergio Garrido-Benavent, Isaac De Los Ríos, Asunción 2015 http://dx.doi.org/10.1017/s0024282915000031 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0024282915000031 en eng Cambridge University Press (CUP) https://www.cambridge.org/core/terms The Lichenologist volume 47, issue 3, page 143-156 ISSN 0024-2829 1096-1135 Ecology, Evolution, Behavior and Systematics journal-article 2015 crcambridgeupr https://doi.org/10.1017/s0024282915000031 2024-02-08T08:30:41Z Abstract The new genus of lichenicolous fungi Austrostigmidium is described from Antarctica and Tierra del Fuego (Chile). It is characterized by the presence of black pseudothecia, pseudoparaphyses, fissitunicate, I−, KI− asci and 3-septate hyaline ascospores. So far, the only known species grows on Mastodia tessellata ( Verrucariales , Eurotiomycetes). The new genus is compared with anatomically close genera. Based on nuLSU and nuSSU markers we inferred its phylogenetic relationships and found that it belongs to the family Teratosphaeriaceae ( Capnodiales , Dothideomycetes) and is closely related to rock-inhabiting fungal species, as well as to the hyphomycetous lichenicolous fungus Xanthoriicola . Finally, the host-parasite interface has been analyzed by means of transmission electron microscopy and fluorescence microscopy in order to describe the interactions among the new fungus and the symbionts forming the host lichen. Article in Journal/Newspaper Antarc* Antarctica Tierra del Fuego Cambridge University Press Austral The Lichenologist 47 3 143 156 |
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Open Polar |
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Cambridge University Press |
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crcambridgeupr |
language |
English |
topic |
Ecology, Evolution, Behavior and Systematics |
spellingShingle |
Ecology, Evolution, Behavior and Systematics Pérez-Ortega, Sergio Garrido-Benavent, Isaac De Los Ríos, Asunción Austrostigmidium , a new austral genus of lichenicolous fungi close to rock-inhabiting meristematic fungi in Teratosphaeriaceae |
topic_facet |
Ecology, Evolution, Behavior and Systematics |
description |
Abstract The new genus of lichenicolous fungi Austrostigmidium is described from Antarctica and Tierra del Fuego (Chile). It is characterized by the presence of black pseudothecia, pseudoparaphyses, fissitunicate, I−, KI− asci and 3-septate hyaline ascospores. So far, the only known species grows on Mastodia tessellata ( Verrucariales , Eurotiomycetes). The new genus is compared with anatomically close genera. Based on nuLSU and nuSSU markers we inferred its phylogenetic relationships and found that it belongs to the family Teratosphaeriaceae ( Capnodiales , Dothideomycetes) and is closely related to rock-inhabiting fungal species, as well as to the hyphomycetous lichenicolous fungus Xanthoriicola . Finally, the host-parasite interface has been analyzed by means of transmission electron microscopy and fluorescence microscopy in order to describe the interactions among the new fungus and the symbionts forming the host lichen. |
format |
Article in Journal/Newspaper |
author |
Pérez-Ortega, Sergio Garrido-Benavent, Isaac De Los Ríos, Asunción |
author_facet |
Pérez-Ortega, Sergio Garrido-Benavent, Isaac De Los Ríos, Asunción |
author_sort |
Pérez-Ortega, Sergio |
title |
Austrostigmidium , a new austral genus of lichenicolous fungi close to rock-inhabiting meristematic fungi in Teratosphaeriaceae |
title_short |
Austrostigmidium , a new austral genus of lichenicolous fungi close to rock-inhabiting meristematic fungi in Teratosphaeriaceae |
title_full |
Austrostigmidium , a new austral genus of lichenicolous fungi close to rock-inhabiting meristematic fungi in Teratosphaeriaceae |
title_fullStr |
Austrostigmidium , a new austral genus of lichenicolous fungi close to rock-inhabiting meristematic fungi in Teratosphaeriaceae |
title_full_unstemmed |
Austrostigmidium , a new austral genus of lichenicolous fungi close to rock-inhabiting meristematic fungi in Teratosphaeriaceae |
title_sort |
austrostigmidium , a new austral genus of lichenicolous fungi close to rock-inhabiting meristematic fungi in teratosphaeriaceae |
publisher |
Cambridge University Press (CUP) |
publishDate |
2015 |
url |
http://dx.doi.org/10.1017/s0024282915000031 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0024282915000031 |
geographic |
Austral |
geographic_facet |
Austral |
genre |
Antarc* Antarctica Tierra del Fuego |
genre_facet |
Antarc* Antarctica Tierra del Fuego |
op_source |
The Lichenologist volume 47, issue 3, page 143-156 ISSN 0024-2829 1096-1135 |
op_rights |
https://www.cambridge.org/core/terms |
op_doi |
https://doi.org/10.1017/s0024282915000031 |
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The Lichenologist |
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47 |
container_issue |
3 |
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143 |
op_container_end_page |
156 |
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1792506877371744256 |