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dc.contributor.author
Acuña Rodríguez, Ian S.  
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Newsham, Kevin K.  
dc.contributor.author
Gundel, Pedro Emilio  
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Torres Díaz, Cristian  
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Molina Montenegro, Marco A.  
dc.date.available
2022-11-12T01:21:36Z  
dc.date.issued
2020-04  
dc.identifier.citation
Acuña Rodríguez, Ian S.; Newsham, Kevin K.; Gundel, Pedro Emilio; Torres Díaz, Cristian; Molina Montenegro, Marco A.; Functional roles of microbial symbionts in plant cold tolerance; Wiley Blackwell Publishing, Inc; Ecology Letters; 23; 6; 4-2020; 1034-1048  
dc.identifier.issn
1461-023X  
dc.identifier.uri
http://hdl.handle.net/11336/177578  
dc.description.abstract
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.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Wiley Blackwell Publishing, Inc  
dc.rights
info:eu-repo/semantics/restrictedAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
ARBUSCULAR MYCORRHIZAS  
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BACTERIA  
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COLD STRESS  
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ENDOPHYTES  
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FREEZING  
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FUNGI  
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SYMBIOSIS  
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Ecología  
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Ciencias Biológicas  
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CIENCIAS NATURALES Y EXACTAS  
dc.title
Functional roles of microbial symbionts in plant cold tolerance  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2021-09-07T15:20:09Z  
dc.journal.volume
23  
dc.journal.number
6  
dc.journal.pagination
1034-1048  
dc.journal.pais
Reino Unido  
dc.journal.ciudad
Londres  
dc.description.fil
Fil: Acuña Rodríguez, Ian S.. Universidad de Talca; Chile  
dc.description.fil
Fil: Newsham, Kevin K.. British Antarctic Survey; Reino Unido  
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Fil: Gundel, Pedro Emilio. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura; Argentina  
dc.description.fil
Fil: Torres Díaz, Cristian. Universidad del Bio Bio; Chile  
dc.description.fil
Fil: Molina Montenegro, Marco A.. Universidad de Talca; Chile  
dc.journal.title
Ecology Letters  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/abs/10.1111/ele.13502  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1111/ele.13502