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Ueno, A. C.; Gundel, P. E.; Ghersa, C. M.; Demkura, P. V.; Card, S. D.; Mace, W. J.; & Martínez Ghersa, M. A. (2020)"Ontogenetic and trans - generational dynamics of a vertically transmitted fungal symbiont in an annual host plant in ozone - polluted settings". Plant, Cell and Environment,43, (10),p.2540–2550

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Artículo
Título en inglés:
Ontogenetic and trans - generational dynamics of a vertically transmitted fungal symbiont in an annual host plant in ozone - polluted settings
Autor/es:
Ueno, Andrea Celeste; Gundel, Pedro Emilio; Ghersa, Claudio Marco; Demkura, Patricia Verónica; Card, Stuart D.; Mace, Wade J.; Martínez Ghersa, María Alejandra
Filiación:
Ueno, Andrea Celeste. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina.
Ueno, Andrea Celeste. CONICET – Universidad de Buenos Aires. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina.
Gundel, Pedro Emilio. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina.
Gundel, Pedro Emilio. CONICET – Universidad de Buenos Aires. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina.
Ghersa, Claudio Marco. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina.
Ghersa, Claudio Marco. CONICET – Universidad de Buenos Aires. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina.
Demkura, Patricia Verónica. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina.
Demkura, Patricia Verónica. CONICET – Universidad de Buenos Aires. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina.
Card, Stuart D. Forage Science, AgResearch Limited, Grasslands Research Centre. New Zealand.
Mace, Wade J. Forage Science, AgResearch Limited, Grasslands Research Centre. New Zealand.
Martínez Ghersa, María Alejandra. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina.
Martínez Ghersa, María Alejandra. CONICET – Universidad de Buenos Aires. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina.
Año:
2020
Título revista:
Plant, Cell and Environment
ISSN:
0140-7791
Volumen:
43
Número:
10
Páginas:
2540–2550
Temas:
ALKALOID; DEFENSIVE MUTUALISM; FUNGAL ENDOPHYTE; GRASS; OZONE; SYMBIOSIS
Idioma:
Inglés
URL al Editor:

Resumen:

Tropospheric ozone is an abiotic stress of increasing importance in the context of global climate change. This greenhouse gas is a potent phytotoxic molecule with demonstrated negative effects on crop yield and natural ecosystems. Recently, oxidative stress has been proposed as a mechanism that could regulate the interaction between cool-season grasses and Epichloë endophytes. We hypothesized that exposure of Lolium multiflorum plants, hosting endophytes to an ozone-polluted environment at different ontogenetic phases, would impact the trans-generational dynamics of the vertically transmitted fungal symbiont. Here, we found that the ozone-induced stress on the mother plants did not affect the endophyte vertical transmission but it impaired the persistence of the fungus in the seed exposed to artificial ageing. Endophyte longevity in seed was reduced by exposure of the mother plant to ozone. Although ozone exposure did not influence either the endophyte mycelial concentration or their compound defences (loline alkaloids), a positive correlation was observed between host fitness and the concentration of endophyte-derived defence compounds. This suggests that fungal defences in grass seeds were not all produced in situ but remobilized from the vegetative tissues. Our study reveals ozone transgenerational effects on the persistence of a beneficial symbiont in a host grass.

Citación:

---------- APA ----------

Ueno, A. C.; Gundel, P. E.; Ghersa, C. M.; Demkura, P. V.; Card, S. D.; Mace, W. J.; & Martínez Ghersa, M. A. (2020). Ontogenetic and trans - generational dynamics of a vertically transmitted fungal symbiont in an annual host plant in ozone - polluted settings. Plant, Cell and Environment,43, (10),p.2540–2550
10.1111/pce.13859

---------- CHICAGO ----------

Ueno, Andrea Celeste,Gundel, Pedro Emilio,Ghersa, Claudio Marco,Demkura, Patricia Verónica,Card, Stuart D.,Mace, Wade J., et al.. 2020. "Ontogenetic and trans - generational dynamics of a vertically transmitted fungal symbiont in an annual host plant in ozone - polluted settings". Plant, Cell and Environment 43, no.10:2540–2550.
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http://ri.agro.uba.ar/greenstone3/library/collection/arti/document/2020ueno1