Profesor Asociado

Dr. En Ciencias mención Ingeniería Genética Vegetal, Universidad de Talca.


+56 71 220 0264

Líneas de Investigación

Estudio de mecanismos fisiológicos, bioquímicos y moleculares involucrados en la asociación simbiótica entre plantas y microorganismos en respuesta a estrés biótico y abiótico en el contexto del cambio climático.

Estudios moleculares de rutas de biosíntesis de compuestos fenólicos con valor nutricional en frutos de plantas de interés agronómico.


Morales-Quintana, L., Rabert, C., Méndez-Yáñez, A., Ramos, P. Transcriptional and structural analysis of non-specific lipid transfer proteins modulated by fungal endophytes in Antarctic plants under drought. Physiologia Plantarum 176(3):e14359. 2024.

Saez, D., Rodríguez-Arriaza, F., Urra, G., Fabi, J.P., Hormazábal-Abarza, F., Méndez-Yáñez, A., Castro, E., Bustos, D., Ramos, P., Morales-Quintana, L. Unraveling the key step in the aroma puzzle: Insights into alcohol acyltransferases in strawberries. Plant Physiology and Biochemistry. 212, 2024.

Zarraga-Barco F., Ueno A.C., Casabella M.P., Casas C., Molina Montenegro M.A., Ramos P., Schnyder H., Gundel P.E. A seed-borne endophyte mediates plant drought responses and intergenerational effects on seed characteristics. Environmental and Experimental Botany, 221, 2024.

Hormazábal-Abarza, F., Bustos, D., Rodríguez-Arriaza, F., Sáez, D., Urra, G., Parra-Palma, C., Méndez-Yáñez, A., Ramos, P., Morales-Quintana, L. Structural and transcriptional characterization of pyruvate decarboxylase (PDC) gene family during strawberry fruit ripening process. Plant Physiology and Biochemistry. 2024, 207, 108417.

Gil Cortiella, M., Castro, R, I., Parra-Palma, C.,   Méndez-Yáñez, A., Ramos, P., Morales-Quintana, L. Analysis of the contents of Ugni molinae Turcz fruits across the ripening stages. In press. 2024

Gil Cortiella, M., Vasquez-Rojas, C., Castro, R, I., Muñoz-Vera, M., Parra-Palma, C.,   Méndez-Yáñez, A., Sáez, D., Ramos, P., Morales-Quintana, L. Evolution of the fruit ripening and development of the strawberry ‘Aroma’; through transcriptional, physiological and chemicals analysis. Journal of Food Measurement and Characterization. In press. 2024


Saavedra-Núñez, G., González-Villanueva, E., Ramos, P. Floral Development on Vitis vinifera Is Associated with MADS-Box Transcription Factors through the Transcriptional Regulation of VviZIP3. Plants, 2023, 12(18), 3322.

Zupanska, A.K., Arena, C., Zuñiga, G.E., Casanova-Katny, M.A., Turnbull, J.D., Bravo, L.A., Ramos, P., Sun, H., Shishov, V.V. Editorial: Revisiting the limits of plant life – plant adaptations to extreme terrestrial environments relating to astrobiology and space biology. Front. Plant Sci. 2023, 14, 1267183.

Cabrera-Ariza, A.M., Silva-Flores, P., González-Ortega, M., Acevedo-Tapia, M., Cartes-Rodríguez, E., Palfner, G., Ramos, P., Santelices-Moya, R.E. Early Effects of Mycorrhizal Fungal Inoculum and Fertilizer on Morphological and Physiological Variables of Nursery-Grown Nothofagus alessandrii Plants. Plants, 2023, 12(7), 1521.

Santelices-Moya, R., Cabrera-Ariza, A.M., Silva-Flores, P., Ramos, P. Intra-specific variation in Nothofagus alessandrii, an endemic and endangered species of the Mediterranean forests of Chile. Bosque, 2023, 44(2), 315-327.

Ramos, P., Gundel, P., Pollmann, S. Editorial: Molecular and biochemical effects exerted by the interaction of symbiotic microorganisms with plants to improve their response to environmental stresses. Frontiers in Ecology and Evolution 2023, 1, 1183310

Castro, R., Vásquez-Rojas, C., Gil M., Parra-Palma, C., Ramos, P., Morales-Quintana, L. Evolution of the Volatile Organic Compounds, Phenols and Antioxidant Capacity during Fruit Ripening and Development of Rubus ulmifolius Schott Fruits. Horticulturae 2023, 9, 13.


Morales-Quintana, L., Miño, R., Mendez-Yañez, A., Gundel, P.E., Ramos, P. Do fungal-endosymbionts improve crop nutritional quality and tolerance to stress by boosting flavonoid-mediated responses? Food Research International, 2022, 161, 111850.

Pérez-Alonso, M.M., Guerrero-Galán, C., González, A., Ortiz-García, P., Scholz, S.S., Ramos, P., Sakakibara, H., Ludwig-Müller, J., Krapp, A., Oelmüller, R., Vicente-Carbajosa, J., Pollmann, S. The calcium sensor CBL7 is required to keep defense responses in check and promote plant growth of Arabidopsis thaliana infected with Serendipita indica. Plant, Cell and Environment. 2022. 45, 3367-3382.

Morales-Quintana, L., Moya, M., Santelices-Moya, R., Cabrera-Ariza, A., Rabert, C., Pollmann, S., Ramos, P. Improvement in physiological and biochemical performance of strawberry under drought stress through the symbiosis with Antarctic fungal endophytes. Frontiers in Microbiology. 2022. 13, 939955.

Méndez-Yáñez, A., Ramos, P., Morales-Quintana, L. Human Health Benefits through Daily Consumption of Jerusalem Artichoke (Helianthus tuberosus L.) Tubers. Horticulturae 2022, 8, 620.

Morales-Quintana, L., Ramos, P., Méndez-Yáñez, A. Rhamnogalacturonan Endolyase Family 4 Enzymes: An Update on Their Importance in the Fruit Ripening Process. Horticulturae. 2022, 8, 465.

Morales-Quintana, L., Tapia-Valdebenito, D., Castro, R., Rabert, C., Larama, G., Gutiérrez, A., Ramos, P. Characterization of the cell wall component through thermogravimetric analysis and its relationship with an expansin like protein in Deschampsia antarctica. International Journal of Molecular Sciences. 2022, 23, 5741.


Morales-Quintana, L., Ramos, P. A talk between flavonoids and hormones to reorient the growth of gymnosperms. International Journal of Molecular Sciences, 2021, 22(23), 12630

Morales-Quintana L., Barrera A., Hereme R., Jara K., Rivera-Mora C., Valenzuela-Riffo F., Gundel P.E., Pollmann S., Ramos P. 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. 2021, 168, 465-476

Méndez-Yáñez, A., Ramos, P., Morales-Quintana, L. Role of Glycoproteins during Fruit Ripening and Seed Development. Cells. 2021, 10(8), 2095.

Castro R.I., Ramos, P., Parra-Palma, C., Morales-Quintana, L. Ugni molinae Fruit as a Source of Bioactive Compounds with Good Quality Traits. Biomed research international. 2021, 2021, 6683877.

Ueno, A.C., Gundel, P.E., Molina-Montenegro, M.A., Ramos, P., Ghersa, C.M., Martínez-Ghersa, M.A. Getting ready for the ozone battle: Vertically transmitted fungal endophytes have transgenerational positive effects in plants. Plant, Cell and Environment. 2021. 44(8), pp. 2716–2728


Valenzuela-Riffo, F., Parra-Palma, C., Ramos, P., Morales-Quintana, L. Molecular and structural insights into FaEXPA5, an alpha-expansin protein related with cell wall disassembly during ripening of strawberry fruit. Plant Physiology and Biochemistry, 154: 581-589

Parra-Palma, C., Morales-Quintana, L. Ramos, P. Phenolic Content, Color Development, and Pigment−Related Gene Expression: A Comparative Analysis in Different Cultivars of Strawberry during the Ripening Process. Agronomy, 10: 588. DOI:10.3390/agronomy10040588.

Barrera, A., Hereme, R., Ruiz-Lara, S., Larrondo, L.F., Gundel, P.E., Pollmann, S., Molina-Montenegro, M.A., Ramos, P. 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. DOI: 10.3389/fevo.2020.00122.

Hereme, R., Morales-Navarro, S., Ballesteros, G., Barrera, A., Ramos, P., Gundel, P.E., Molina-Montenegro, M.A. Fungal Endophytes Exert Positive Effects on Colobanthus quitensis Under Water Stress but Neutral Under a Projected Climate Change Scenario in Antarctica. Frontiers in microbiology, 28. DOI: 10.3389/fmicb.2020.00264.

Torres, C.A, Azocar, C.,  Ramos, P.,  Pérez-Díaz, R.,  Sepulveda, G.,  Moya-León, M.A. 2020. Photooxidative stress activates a complex multigenic response integrating the phenylpropanoid pathway and ethylene, leading to lignin accumulation in apple (Malus domestica Borkh.) fruit. Horticulture Research 7(1), 22.

Morales-Quintana L, Waite JM, Kalcsits L, Torres CA, Ramos P. 2020. Sun injury on apple fruit: Physiological, biochemical and molecular advances, and future challenges. Scientia Horticulturae 260:108866.


Cruz, N, Mendez T, Ramos P, Urbina D, Vega A, Gutierrez R, Moya-Leon MA, Herrera R. 2019. Induction of PrMADS10 on the lower side of bent pine tree stems: potential role in modifying plant cell wall properties and wood anatomy. Scientific Reports 9, 18981.

Jara K, Castro R, Ramos R, Parra-Palma C, Valenzuela-Riffo F, Morales-Quintana L. 2019. Molecular insights into FaEG1, a strawberry endoglucanase enzyme expressed during strawberry fruit ripening. Plants 8:140.

Parra-Palma, C, Úbeda, C, Gil, M, Ramos, P, Castro, R, Morales-Quintana, L. 2019. Comparative study of the volatile organic compounds of four strawberry cultivars and it relation to alcohol acyltransferase enzymatic activity. Scientia Horticulturae 251:65-72.

Salazar R, Pollmann S, Morales-Quintana L, Herrera R, Caparrós-Ruiz D, Ramos P. 2019. In seedlings of Pinus radiata, jasmonic acid and auxin are differentially distributed on opposite sides of tilted stems affecting lignin monomer biosynthesis and composition. Plant Physiology and Biochemistry 135:215-223.

Morales-Quintana L, Bustos D, González J, Urbina D, Herrera R, Ramos P. 2019. PrMATE1, a Transparent Testa 12 orthologous differentially expressed in radiata pine exposed to inclination and computational approach of ligand recognition site features. Journal of Plant Growth Regulation. 38: 14-29.

Morales-Quintana L, Ramos P. 2019. Chilean strawberry (Fragaria chiloensis): An integrative and comprehensive review. Food Research International 119:769-776.


Ramos P, Rivas N, Pollmann S, Casati P, Molina-Montenegro MA. 2018. Hormonal and physiological changes driven by fungal endophytes increase plant performance under UV-B radiation. Fungal Ecology. 34: 76-82.

Valenzuela-Riffo F, Ramos P, Morales-Quintana L. 2018. Computational study of FaEXPA1, a strawberry alpha expansin protein, through molecular modeling and molecular dynamics simulation studies. Computational Biology and Chemistry. 76: 79-86.

Ramos P, Parra-Palma C, Figueroa CR, Zuñiga PE, Valenzuela-Riffo F, Gonzalez J, Gaete-Eastman C, Morales-Quintana L. 2018. Cell wall-related enzymatic activities and transcriptional profiles in four strawberry (Fragaria x ananassa) cultivars during fruit development and ripening. Scientia Horticulturae 238: 325-332.

Morales-Quintana L, Bustos D, González J, Urbina D, Herrera R, Ramos P. 2018. PrMATE1, a Transparent Testa 12 orthologous differentially expressed in radiata pine exposed to inclination and computational approach of ligand recognition site features. Journal of Plant Growth Regulation. In press.

Parra-Palma C, Fuentes E, Palomo I, Moya-Leon MA, Ramos P. 2018. Linking the platelet antiaggregation effect of different strawberries species with antioxidants: Metabolomic and transcript profiling. Boletin Latinoamericano y del Caribe de Plantas Medicinales y Aromaticas (BLACPMA). 17 (1): 36 – 52.

Gomez R, Gonzalez J, Herrera R, Ramos P. 2018. MYB Transcription Factors and a Putative Flavonoid Transporter ABCC-Like are Differentially Expressed in Radiata Pine Seedlings Exposed to Inclination. Journal of Plant Growth Regulation. 37: 64-75. doi:10.1007/s00344-017-9707-5


Mateluna P, Valenzuela-Riffo F, Morales-Quintana L, Herrera R, Ramos P. 2017. Transcriptional and computational study of expansins differentially expressed in response to inclination in radiata pine. Plant Physiology and Biochemistry 115. 12e24.


Ramos P, Guajardo J, Moya-León MA, Herrera R. 2016. A differential distribution of auxin and flavonols in radiata pine stem seedlings exposed to inclination. Tree Genetics and Genomes 12:42.


Ramos P, Herrera R, Moya-León MA. 2014. Handbook of Anthocyanins. Anthocyanins: Food sources and benefits to consumer´s health. Nova Science Publishers, Inc. Leah M. Warner, Editor, 22 pages.

Valenzuela C, Ramos P, Carrasco C, Moya-Leon MA, Herrera R. 2014. Cloning and characterization of a xyloglucan endo-transglycosylase/hydrolase gene expressed in response to inclination in radiata pine seedlings. Tree Genetics and Genomes 10:1305–1315.


Le Provost G, Domergue F, Lalanne C, Ramos Campos P, Grosbois A, Bert D, Meredieu C, Danjon F, Plomion C, Gion J. 2013. Soil water stress affects both cuticular wax content and cuticle-related gene expression in young saplings of maritime pine (Pinus pinaster Ait). BMC Plant Biology 13: 95.

Ramos P, Herrera R. 2013. Anatomical changes of xylem cells in stem of Pinus radiata seedlings exposed to inclination and ethylene. Biologia plantarum 57: 525-530.


Ramos P, Valenzuela C, Le Provost G, Plomion C, Gantz, Moya-Leon A, Herrera R. 2012. ACC Oxidase and ACC Synthase expression profiles after leaning of young radiata (P. radiata D. Don) and maritime pine (P. pinaster Ait.) seedlings. Journal of Plant Growth Regulation 31:382–391.

Ramos P, Le Provost G, Gantz G, Plomion C, Herrera R. 2012. Transcriptional analysis of differentially expressed genes in response to stem inclination in young seedlings of pine. Plant Biology 14: 923-933.

(2024-2027)  Proyecto Fondecyt #1240771 (PI). Deciphering the molecular strategies of different extremophile fungal endophytes to improve plants performance under drought and heat stress conditions.

(2023-2026)  Proyecto Anillo ATE220014 (CoI). Efficient use of Water for the Sustainable Agriculture under Climate Change Condition (H2O-SAC3).

(2022-2025)  Proyecto Fondecyt #1220782 (CoI). Understanding changes in Aroma and Flavor metabolism and mechanism of regulation during development and ripening of strawberry fruit, through exogenous hormonal treatments.

(2021-2024)  Proyecto Fondecyt #1211057 (PI). Extremophile Antarctic microorganisms enhance plant physiological performance, increasing health-related compounds in strawberry cultivated under drought and high- temperature conditions.

(2021-2025)  Proyecto Fondecyt #1210908 (CoI). Transgenerational responses in plants mediated by symbiotic microorganisms of vertical transmission.

(2020-2021)  Proyecto de formación de redes de colaboración internacional REDES190078 – CONICYT (PI). Consolidation of a scientific network to study molecular and physiological mechanisms of microbe–plant interactions in an antarctic biome challenged by climate change.

(2020-2021)  Proyecto de formación de redes de colaboración internacional REDES190093 – CONICYT (CoI). Strengthening of the network in agricultural biotechnology, focusing on the fruit ripening process.

(2015 – 2019) Proyecto Fondecyt #1150964 (CoI). Understanding the involvement of MADS-box transcription factors from radiata pine in wood forming tissue: unraveling the molecular mechanisms in cell wall dynamics during wood formation.

(2012 – 2015) Proyecto Fondecyt #11121170 (PI). Study of role of flavonols during the gravitropic response in young radiata pine seedlings.