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12 results on '"Nadal, Miquel"'

4. Differences in biochemical, gas exchange and hydraulic response to water stress in desiccation tolerant and sensitive fronds of the fern Anemia caffrorum

Author

Nadal, Miquel, primary, Brodribb, Tim J., additional, Fernández‐Marín, Beatriz, additional, García‐Plazaola, José I., additional, Arzac, Miren I., additional, López‐Pozo, Marina, additional, Perera‐Castro, Alicia V., additional, Gulías, Javier, additional, Flexas, Jaume, additional, and Farrant, Jill M., additional

Published
2021
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5. Differences in biochemical, gas exchange and hydraulic response to water stress in desiccation tolerant and sensitive fronds of the fern Anemia caffrorum

Author

Biología vegetal y ecología, Landaren biologia eta ekologia, Nadal, Miquel, Brodribb, Tim J., Fernández Marín, Beatriz, García Plazaola, José Ignacio, Arzac Garmendia, Miren Irati, López Pozo, Marina, Perera Castro, Alicia V., Gulias, Javier, Flexas, Jaume, Farrant, Jill M., Biología vegetal y ecología, Landaren biologia eta ekologia, Nadal, Miquel, Brodribb, Tim J., Fernández Marín, Beatriz, García Plazaola, José Ignacio, Arzac Garmendia, Miren Irati, López Pozo, Marina, Perera Castro, Alicia V., Gulias, Javier, Flexas, Jaume, and Farrant, Jill M.

Abstract

Desiccation tolerant plants can survive extreme water loss in their vegetative tissues. The fern Anemia caffrorum produces desiccation tolerant (DT) fronds in the dry season and desiccation sensitive (DS) fronds in the wet season, providing a unique opportunity to explore the physiological mechanisms associated with desiccation tolerance. Anemia caffrorum plants with either DT or DS fronds were acclimated in growth chambers. Photosynthesis, frond structure and anatomy, water relations and minimum conductance to water vapour were measured under well-watered conditions. Photosynthesis, hydraulics, frond pigments, antioxidants and abscisic acid contents were monitored under water deficit. A comparison between DT and DS fronds under well-watered conditions showed that the former presented higher leaf mass per area, minimum conductance, tissue elasticity and lower CO2 assimilation. Water deficit resulted in a similar induction of abscisic acid in both frond types, but DT fronds maintained higher stomatal conductance and upregulated more prominently lipophilic antioxidants. The seasonal alternation in production of DT and DS fronds in A. caffrorum represents a mechanism by which carbon gain can be maximized during the rainy season, and a greater investment in protective mechanisms occurs during the hot dry season, enabling the exploitation of episodic water availability.

Published
2021

10. A field portable method for the semi‐quantitative estimation of dehydration tolerance of photosynthetic tissues across distantly related land plants

Author

López‐Pozo, Marina, primary, Flexas, Jaume, additional, Gulías, Javier, additional, Carriquí, Marc, additional, Nadal, Miquel, additional, Perera‐Castro, Alicia V., additional, Clemente‐Moreno, María José, additional, Gago, Jorge, additional, Núñez‐Olivera, Encarnación, additional, Martínez‐Abaigar, Javier, additional, Hernández, Antonio, additional, Artetxe, Unai, additional, Bentley, Joanne, additional, Farrant, Jill M., additional, Verhoeven, Amy, additional, García‐Plazaola, José Ignacio, additional, and Fernández‐Marín, Beatriz, additional

Published
2019
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12. The photosynthetic capacity in 35 ferns and fern allies: mesophyll CO 2 diffusion as a key trait

Author

Tosens, Tiina, primary, Nishida, Keisuke, additional, Gago, Jorge, additional, Coopman, Rafael Eduardo, additional, Cabrera, Hernán Marino, additional, Carriquí, Marc, additional, Laanisto, Lauri, additional, Morales, Loreto, additional, Nadal, Miquel, additional, Rojas, Roke, additional, Talts, Eero, additional, Tomas, Magdalena, additional, Hanba, Yuko, additional, Niinemets, Ülo, additional, and Flexas, Jaume, additional

Published
2015
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