Profesor Instructor

Doctor en Ciencias Agropecuarias, Universidad de Buenos Aires.

Ingeniero Agrónomo, Facultad de Agronomía, Universidad de Buenos Aires.

+56-71-2200264
pedro.gundel@utalca.cl
Researchgate

Líneas de Investigación

Nuestro interés es entender cómo las plantas sobreviven, crecen y se reproducen en contextos ambientales caracterizados por la escasez de recursos (nutrientes) y agua, y la incidencia de factores de estrés [algunos de origen natural (por ejemplo, altas temperaturas, radiación UVb, ozono) y otros de origen antrópico (por ejemplo, pesticidas)]. En este sentido, nos interesa específicamente comprender cuáles son las funciones que cumplen los microorganismos simbióticos en la capacidad de las plantas para acomodarse / adaptarse al medio abiótico y en particular, la defensa frente a las amenazas bióticas (herbívoros y patógenos). Para poder entender los mecanismos subyacentes a las respuestas de las plantas a los factores de estrés mediadas por microorganismos simbiontes, utilizamos distintas aproximaciones experimentales combinando experimentos manipulativos y observacionales, con técnicas clásicas y bioquímico-moleculares.

Stefanoni-Rubio, P.J.; Gundel, P.E.; Novas, M.V. & l.J. Iannone. 2021. Ecotype-specific effects of fungal endophytes on germination responses of seeds of the South American wild forage grass Bromus auleticus. Annals of Applied Biology, DOI:10.1111/aab.12732

Morales-Quintana, L.; Barrera, A.; Hereme, R., Jara, K., Rivera-Mora, C., Valenzuela-Riffo, F.; Gundel, P.E.; Pollmann, S., Molina-Montenegro, M.A. & P. Ramos. 2021. Molecular and structural characterization of expansins modulated by fungal endophytes in the Antarctic Colobanthus quitensis (Kunth) Bartl. exposed to drought stress. Plant Physiology and Biochemistry, 168: 465-476.

Pérez, L.I.; Gundel, P.E.; García Parisi, P.A.; Moyano, J.; Fiorenza, J.E.; Omacini, M. & M.A. Nuñez. 2021. Can seed-borne endophytes promote grass invasion by reducing host dependence on mycorrhizas? Fungal Ecology, 52: 101077.

Ueno, A.C.; Gundel, P.E.; Ghersa, C.M.; Agathokleous, E. & M.A. Martínez-Ghersa. 2021. Seed-borne fungal endophytes constrain reproductive success of host plants under ozone pollution. Environmental Research, 202, 111773.

Ueno, A.C.; Gundel, P.E.; Molina-Montenegro, M.; Ramos, P.; Ghersa, C.M. & M.A. Martínez-Ghersa. 2021. Getting ready for the ozone battle: Vertically transmitted fungal endophytes have transgenerational positive effects in plants. Plant, Cell & Environment, 4: 2716–2728.

Bastias, D.; Gianoli E. & P.E. Gundel. 2021. Fungal endophytes can eliminate the plant growth-defence trade-off. New Phytologist, 230: 2105-2113.

Decunta, F.A.; Perez, L.I.; Malinowski, D.P.; Molina-Montenegro, M.A. & P.E. Gundel. 2021. A systematic review on the effects of Epichloë fungal endophytes on drought tolerance in cool-season grasses. Frontiers in Plant Science, 12:644731.

Biancari, B.; Cerrotta, C.; Menéndez, A.I.; Gundel, P.E. & M.A. Martínez-Ghersa. 2021. Episodes of high tropospheric ozone reduce nodulation, seed production and quality in soybean (Glycine max (L.) Merr.) on low fertility soils. Environmental Pollution, 269: 116117.

García-Parisi, P.A.; Gavilán, S.A.; Casas, C.; Gundel, P.E. & M. Omacini. 2021. A fungal endophyte of an annual weed reduces host competitive ability and confers associational protection to wheat. Basic and Applied Ecology, 50: 16-24.

Ueno, A.C.; Gundel, P.E.; Seal, C.E.; Ghersa, C.M. & M.A. Martínez-Ghersa. 2020. The negative effect of a vertically-transmitted fungal endophyte on seed longevity is stronger than that of ozone transgenerational effect. Environmental and Experimental Botany, 175: 104037.

Pérez, L.I.; Gundel, P.E.; Zabalgogeazcoa, I. & M. Omacini. 2020. An ecological framework for understanding the roles of Epichloë endophytes on plant defenses against fungal diseases. Fungal Biology Reviews, 34(3):115-125.

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

Bubica Bustos, L.M.; Ueno, A.C.; Di Leo T.D.; Crocco, C.D.; Martínez-Ghersa, M.A.; Molina-Montenegro, M. & P.E. Gundel. 2020. Maternal exposure to ozone modulates the endophyte-conferred resistance to aphids in Lolium multiflorum plants. Insects, ID: insects-856126

Gundel, P.E.; Boganzoli, F.; Freitas, P.P.; Landesmann, J.B.; Martínez-Ghersa, M.A. & C.M. Ghersa. 2020. Plant damage, seed production and persistence of the fungal endophyte Epichloë occultans in Lolium multiflorum plants under an herbivore lepidopteran attack and ozone pollution. Ecología Austral, 30: 321-330.

Graff, P.; Gundel, P.E.; Salvat, A.; Cristos, D. & E. Chaneton. 2020. Protection offered by leaf fungal endophytes to an invasive species against native herbivores depends on soil nutrients. Journal of Ecology, 108: 1592-1604.

Acuña‐Rodríguez, I.S.; Newsham, K.K.; Gundel, P.E.; Torres‐Díaz, C. & M.A. Molina‐Montenegro. 2020. Functional roles of microbial symbionts in plant cold tolerance. Ecology Letters, 23(6): 1034-1048.

Gundel, P.E.; Sun, P.; Charlton, N.D.; Young, CA.; Miller, T.E.X. & Jennifer A. Rudgers. 2020. Simulated folivory increases vertical transmission of fungal endophytes that deter herbivores and alter tolerance to herbivory in Poa autumnalis. Annals of Botany, 125: 981-991.

Barrera, A.K.; Hereme, R.A.; Ruiz-Lara, S.; Larrondo, L.F.; Gundel, P.E.; Pollmann, S.; Molina-Montenegro, M.A. & P. Ramos. 2020. Fungal endophytes enhance the photoprotective mechanisms and photochemical efficiency in the Antarctic Colobanthus quitensis (Kunth) Bartl. exposed to UV-B radiation. Frontiers in Ecology and Evolution, 8: 122.

Molina-Montenegro, M.A.; Acuña-Rodríguez, I.S.; Torres-Díaz, C.; Gundel, P.E.  & I. Dreyer. 2020. Antarctic root endophytes improve physiological performance and yield in crops under salt stress by enhanced energy production and Na+ sequestration. Scientific Reports, 10: 5819.

Hereme, R.; Morales-Navarro, S.; Ballesteros, G.; Barrera, A.K.; Ramos, P.; Gundel, P.E. & M.A. Molina-Montenegro. 2020. Fungal endophytes exert positive effects on Colobanthus quitensis under water stress but neutral under a projected climate change scenario in Antarctica. Frontiers in Microbiology, 11: 264.

Bastías, D.A.; Martínez-Ghersa, M.A; Newman, J.A.; Card, S.D.; Wade, J.M. & P.E. Gundel. 2019. Sipha maydis sensitivity to defences of Lolium multiflorum and its endophytic fungus Epichloë occultans. PeerJ, 7: e8257.

Petigrosso, L.R.; Vignolio, O.R.; Damiano, I.; Echeverria, M.; Colabelli, M.N. & P.E. Gundel. 2019. Eradication of the fungus Epichloë coenophiala from Schedonorus arundinaceus (tall fescue) seeds by interrupting the vertical transmission process. Ecología Austral, 29: 55-62.

Gundel, P.E.; Ueno, A.C.; Panteix, M. & L.J. Iannone. 2018. The presence of Epichloë fungus in the endosperm-side of the seed predicts the symbiotic status of the seedling. Seed Technology Journal, 39(2): 111-121.

Gundel, P.E.; Seal, C.; Biganzoli, F.; Molina-Montenegro, M.; Vazquez-de-Aldana, B.; Zabalgogeazcoa, I.; Bush, L.P.; Martinez-Ghersa, M.A. & C.M. Ghersa. 2018. Occurrence of alkaloids in grass seeds symbiotic with vertically-transmitted Epichloë fungal endophytes and its relationship with antioxidants. Frontiers in Ecology and Evolution, 6: 211.

Bastías, D.A.; Martínez-Ghersa, M.A.; Newman, J.A.; Card, S.D.; Mace, W.J. & P.E. Gundel. 2018. Jasmonic acid regulation of the anti-herbivory mechanism conferred by fungal endophytes in grasses. Journal of Ecology, 106: 2365-2379.

Vila‐Aiub, M.M.; Casas, C. & P.E. Gundel. 2018. The role of plant size in the selection of glyphosate resistance in Sorghum halepense. Pest Management Science, 74: 2460-2467.

Hernández-Agramonte, I.M.; Semmartin, M.; Omacini, M.; Durante, M.; Gundel, P.E. & J. De Battista. 2018. A fungal-endophyte of a palatable grass affects preference of large herbivores. Austral Ecology, 43: 172-179.

Bastías, D.A.; Martínez-Ghersa, M.A.; Newman, J.A.; Card, S.D.; Mace, W.J. & P.E. Gundel. 2018. The plant hormone salicylic acid interacts with the mechanism of anti-herbivory conferred by fungal endophytes in grasses. Plant, Cell & Environment, 41: 395-405.

Bastias, D.A.; Martínez-Ghersa, M.A.; Ballaré, C.L. & P.E. Gundel. 2017. Epichloë fungal endophytes and plant defenses: Not just alkaloids. Trends in Plant Science, 22(11): 939-948.

Menéndez, A.; Gundel, P.E.; Lores, L. & M.A. Martínez-Ghersa. 2017. Assessing the impacts of intra and interspecific competition between Triticum aestivum and Trifolium repens on species responses to ozone. Botany, 95: 923-932.

Bastias, D.A.; Ueno, A.C.; Machado-Assefh, C.R.; Alvarez, A.E.; Young, C.A. & P.E. Gundel. 2017. Metabolism or behavior: explaining the performance of aphids on alkaloid-producing fungal endophytes in annual ryegrass (Lolium multiflorum). Oecologia, 185: 245-256.

Martínez-Ghersa, M.; Menéndez, A.; Gundel, P.E.; Folcia, A.; Romero, A.; Landesmann, J.; Ventura, L. & C.M. Ghersa. 2017. Legacy of historic ozone exposure on plant community and food web structure. PLoS ONE, 12(8): e0182796.

Gundel, P.E.; Helander, M.; Garibaldi, L.A.; Vázquez-de-Aldana, B.R.; Zabalgogeazcoa, I. & K. Saikkonen. 2017. Direct and indirect effects of the fungal endophyte Epichloë uncinatum on litter decomposition of the host grass, Schedonorus pratensis. Plant Ecology, 218: 1107-1115.

Gundel, P.E.; Rudgers, J.A. & K.D. Whitney. 2017. Vertically transmitted symbionts as mechanisms of transgenerational effects. American Journal of Botany, 104: 787-792.

Pérez, L.I.; Gundel, P.E.; Marrero, H.J.; González Arzac, A. &. M. Omacini. 2017. Symbiosis with systemic fungal endophytes promotes host escape from vector-borne diseases. Oecologia, 184: 237-245.

Dirihan, S.; Helander, M.; Väre, H.; Gundel, P.E.; Garibaldi, L.A.; Irisarri, J.G.N.; Saloniemi, I. & K. Saikkonen. 2016. Geographic variation in Festuca rubra L. ploidy levels and systemic fungal endophyte frequencies. PLoS ONE, 11(11): e0166264.

Pérez, L.I.; Gundel, P.E. & M. Omacini. 2016. Can the defensive mutualism between grasses and fungal endophytes protect non-symbiotic neighbours from soil pathogens? Plant & Soil, 405: 289-298.

Casas, C.; Gundel, P.E.; Semmartin, M.; Schnyder, H. & M. Omacini. 2016. The enhancement of invasion ability of an annual grass by its fungal endophyte depends on recipient community structure. Biological Invasions, 18: 1853-1865.

Gundel, P.E.; Irisarri, J.G.N.; Fazio, L.; Casas, C. & L.I. Pérez. 2016. Inferring field performance from drought experiments can be misleading: the case of symbiosis between grasses and Epichloë fungal endophytes. Journal of Arid Environments, 132: 60-62.

Gundel, P.E.; Helander, M.; Garibaldi, L.A.; Vázquez-de-Aldana, B.R.; Zabalgogeazcoa, I. & K. Saikkonen. 2016. Role of foliar fungal endophytes in litter decomposition among species and population origins. Fungal Ecology, 21: 50-56.

Ueno, A.; Gundel, P.E.; Omacini, M.; Ghersa, C.M.; Bush, L.P. & M.A. Martínez-Ghersa. 2016. Mutualism effectiveness of fungal endophyte in grasses is reduced by ozone. Functional Ecology, 30: 226-234.

Dirihan, S.; Helander, M.L.; Saloniemi, I.; Gundel, P.E. & K. Saikkonen. 2015. Effects of systemic fungal endophytes on the performance of meadow fescue and tall fescue in mixtures with red clover. Grass and Forage Science, 70(3): 465-473.

Vila-Aiub, M.M.; Gundel, P.E. & C. Preston. 2015. Experimental methods for estimation of plant fitness costs associated with herbicide-resistance genes. Weed Science, 63: 203-216.

Gundel, P.E.; Sorzoli, N.; Ueno, A.C.; Ghersa, C.M.; Seal, C.E.; Bastías, D.A. & M.A. Martínez-Ghersa. 2015. Impact of ozone on the viability and antioxidant content of grass seeds is affected by a vertically transmitted symbiotic fungus. Environmental and Experimental Botany, 113: 40-46.

Semmartin, M.; Omacini, M.; Gundel, P.E. & I.M. Hernández-Agramonte. 2015. Broad-scale variation of fungal-endophyte incidence in temperate grasses. Journal of Ecology, 103: 184-190.

Iannone, L.J.; Irisarri, J.G.N.; Mc Cargo, P.D.; Pérez, L.I. & P.E. Gundel. 2015. Occurrence of Epichloë fungal endophytes in the sheep-preferred grass Hordeum comosum from Patagonia. Journal of Arid Environments, 115: 19-26.

2021-2024. Transgenerational responses in plants mediated by symbiotic microorganisms of vertical transmission. Proyecto 1210908 – FONDECYT REGULAR. Monto: $Cl 266400000. Función: Director.

2020-2023. Respuestas transgeneracionales en plantas mediadas por microorganismos simbióticos de transmisión vertical. PICT-2018-01593. Monto: $Arg 1228500. Función: Director.