Cargando…
Maintaining heterokaryosis in pseudo-homothallic fungi
Among all the strategies displayed by fungi to reproduce and propagate, some species have adopted a peculiar behavior called pseudo-homothallism. Pseudo-homothallic fungi are true heterothallics, i.e., they need 2 genetically-compatible partners to mate, but they produce self-fertile mycelium in whi...
Autores principales: | , |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Taylor & Francis
2015
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4594319/ https://www.ncbi.nlm.nih.gov/pubmed/26479494 http://dx.doi.org/10.4161/19420889.2014.994382 |
_version_ | 1782393433760989184 |
---|---|
author | Grognet, Pierre Silar, Philippe |
author_facet | Grognet, Pierre Silar, Philippe |
author_sort | Grognet, Pierre |
collection | PubMed |
description | Among all the strategies displayed by fungi to reproduce and propagate, some species have adopted a peculiar behavior called pseudo-homothallism. Pseudo-homothallic fungi are true heterothallics, i.e., they need 2 genetically-compatible partners to mate, but they produce self-fertile mycelium in which the 2 different nuclei carrying the compatible mating types are present. This lifestyle not only enables the fungus to reproduce without finding a compatible partner, but also to cross with any mate it may encounter. However, to be fully functional, pseudo-homothallism requires maintaining heterokaryosis at every stage of the life cycle. We recently showed that neither the structure of the mating-type locus nor hybrid-enhancing effect due to the presence of the 2 mating types accounts for the maintenance of heterokaryosis in the pseudo-homothallic fungus P. anserina. In this addendum, we summarize the mechanisms creating heterokaryosis in P. anserina and 2 other well-known pseudo-homothallic fungi, Neurospora tetrasperma and Agaricus bisporus. We also discuss mechanisms potentially involved in maintaining heterokaryosis in these 3 species. |
format | Online Article Text |
id | pubmed-4594319 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2015 |
publisher | Taylor & Francis |
record_format | MEDLINE/PubMed |
spelling | pubmed-45943192015-10-16 Maintaining heterokaryosis in pseudo-homothallic fungi Grognet, Pierre Silar, Philippe Commun Integr Biol Article Addendum Among all the strategies displayed by fungi to reproduce and propagate, some species have adopted a peculiar behavior called pseudo-homothallism. Pseudo-homothallic fungi are true heterothallics, i.e., they need 2 genetically-compatible partners to mate, but they produce self-fertile mycelium in which the 2 different nuclei carrying the compatible mating types are present. This lifestyle not only enables the fungus to reproduce without finding a compatible partner, but also to cross with any mate it may encounter. However, to be fully functional, pseudo-homothallism requires maintaining heterokaryosis at every stage of the life cycle. We recently showed that neither the structure of the mating-type locus nor hybrid-enhancing effect due to the presence of the 2 mating types accounts for the maintenance of heterokaryosis in the pseudo-homothallic fungus P. anserina. In this addendum, we summarize the mechanisms creating heterokaryosis in P. anserina and 2 other well-known pseudo-homothallic fungi, Neurospora tetrasperma and Agaricus bisporus. We also discuss mechanisms potentially involved in maintaining heterokaryosis in these 3 species. Taylor & Francis 2015-08-31 /pmc/articles/PMC4594319/ /pubmed/26479494 http://dx.doi.org/10.4161/19420889.2014.994382 Text en © Pierre Grognet and Philippe Silar. Published with license by Taylor and Francis Group, LLC Government non-exclusive license to publish http://creativecommons.org/licenses/by-nc/3.0/ This is an Open Access article distributed under the terms of the Creative Commons Attribution-Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. The moral rights of the named author(s) have been asserted. |
spellingShingle | Article Addendum Grognet, Pierre Silar, Philippe Maintaining heterokaryosis in pseudo-homothallic fungi |
title | Maintaining heterokaryosis in pseudo-homothallic fungi |
title_full | Maintaining heterokaryosis in pseudo-homothallic fungi |
title_fullStr | Maintaining heterokaryosis in pseudo-homothallic fungi |
title_full_unstemmed | Maintaining heterokaryosis in pseudo-homothallic fungi |
title_short | Maintaining heterokaryosis in pseudo-homothallic fungi |
title_sort | maintaining heterokaryosis in pseudo-homothallic fungi |
topic | Article Addendum |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4594319/ https://www.ncbi.nlm.nih.gov/pubmed/26479494 http://dx.doi.org/10.4161/19420889.2014.994382 |
work_keys_str_mv | AT grognetpierre maintainingheterokaryosisinpseudohomothallicfungi AT silarphilippe maintainingheterokaryosisinpseudohomothallicfungi |