Functional roles of microbial symbionts in plant cold tolerance
In this review, we examine the functional roles of microbial symbionts in plant tolerance to cold and freezing stresses. The impacts of symbionts on antioxidant activity, hormonal signaling and host osmotic balance are described, including the effects of the bacterial endosymbionts Burkholderia, Pse...
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| Otros Autores: | , , , , |
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| Formato: | Artículo |
| Lenguaje: | Inglés |
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| Acceso en línea: | http://ri.agro.uba.ar/files/intranet/articulo/2020acunarodriguez.pdf LINK AL EDITOR |
| Aporte de: | Registro referencial: Solicitar el recurso aquí |
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| 245 | 1 | 0 | |a Functional roles of microbial symbionts in plant cold tolerance |
| 520 | |a In this review, we examine the functional roles of microbial symbionts in plant tolerance to cold and freezing stresses. The impacts of symbionts on antioxidant activity, hormonal signaling and host osmotic balance are described, including the effects of the bacterial endosymbionts Burkholderia, Pseudomonas and Azospirillum on photosynthesis and the accumulation of carbohydrates such as trehalose and raffinose that improve cell osmotic regulation and plasma membrane integrity. The influence of root fungal endophytes and arbuscular mycorrhizal fungi on plant physiology at low temperatures, for example their effects on nutrient acquisition and the accumulation of indole-3 acetic acid and antioxidants in tissues, are also reviewed. Meta analyses are presented showing that aspects of plant performance (shoot biomass, relative water content, sugar and proline concentrations and Fv/Fm) are enhanced in symbiotic plants at low (1 to 15 °C), but not at high (20–26 °C), temperatures. We discuss the implications of microbial symbionts for plant performance at low and sub-zero temperatures in the natural environment and propose future directions for research into the effects of symbionts on the cold and freezing tolerances of plants, concluding that further studies should routinely incorporate symbiotic microbes in their experimental designs. | ||
| 650 | |2 Agrovoc |9 26 | ||
| 653 | |a ARBUSCULAR MYCORRHIZAS | ||
| 653 | |a BACTERIA | ||
| 653 | |a COLD STRESS | ||
| 653 | |a ENDOPHYTES | ||
| 653 | |a FREEZING | ||
| 653 | |a FUNGI | ||
| 653 | |a SYMBIOSIS | ||
| 700 | 1 | |a Acuña Rodríguez, Ian S. |u Universidad de Talca. Instituto de Ciencias Biológicas. Laboratorio de Biología Vegetal. Campus Lircay, Talca, Chile. |9 71946 | |
| 700 | 1 | |a Newsham, Kevin K. |u NERC British Antarctic Survey. High Cross. Cambridge, UK. |9 71897 | |
| 700 | 1 | |a Gundel, Pedro Emilio |u Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina. |u CONICET – Universidad de Buenos Aires. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina. |9 28667 | |
| 700 | 1 | |a Torres Díaz, Cristian |u Universidad del Bıo-Bıo. Departamento de Ciencias Básicas. Grupo de Biodiversidad y Cambio Global (BCG). Campus Fernando May, Chillan, Chile. |9 71898 | |
| 700 | 1 | |9 68288 |a Molina Montenegro, Marco A. |u Universidad de Talca. Instituto de Ciencias Biológicas. Laboratorio de Biología Vegetal. Campus Lircay, Talca, Chile. |u Universidad Católica del Norte. Facultad de Ciencias del Mar. Centro de Estudios Avanzados en Zonas Áridas (CEAZA). Coquimbo, Chile. |u Universidad Católica del Maule. Centro de Investigación en Estudios Avanzados del Maule (CIEAM). Campus San Miguel, Talca, Chile. | |
| 773 | 0 | |t Ecology Letters |g Vol.23, no.6 (2020), p.1034–1048, tbls., grafs., il. | |
| 856 | |f 2020acunarodriguez |i en reservorio |q application/pdf |u http://ri.agro.uba.ar/files/intranet/articulo/2020acunarodriguez.pdf |x ARTI202011 | ||
| 856 | |z LINK AL EDITOR |u https://www.wiley.com/ | ||
| 942 | |c ARTICULO | ||
| 942 | |c ENLINEA | ||
| 976 | |a AAG | ||