Differential accumulation of dehydrin-like proteins by abiotic stresses in Deschampsia antarctica Desv.
Ruiz-Lara, S. Instituto de Biología Vegetal y Biotecnología, Universidad de Talca, Casilla 747, Talca, Chile Dehydrins are proteins that accumulate during environmental stresses leading to cell dehydration. Deschampsia antarctica is one of the two vascular plants that have colonized the Maritime Ant...
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ftunivtalca:oai:dspace.utalca.cl:1950/1533 2024-09-15T17:44:45+00:00 Differential accumulation of dehydrin-like proteins by abiotic stresses in Deschampsia antarctica Desv. Olave-Concha, N. Bravo, L.A. Ruíz-Lara, S. Corcuera, L.J. 2005-06 1931 bytes text/html http://dspace.utalca.cl/handle/1950/1533 en eng Springer Berlin / Heidelberg Polar Biology 28 (7): 506-513 0722-4060 http://dspace.utalca.cl/handle/1950/1533 Water-Deficit Signal-Transduction Low-Temperature Osmotic-Stress Abscisic-Acid Reversible Photoinhibition Colobanthus-Quitensis Freezing Tolerance Cold-Acclimation Vascular Plants Article 2005 ftunivtalca 2024-08-07T03:10:58Z Ruiz-Lara, S. Instituto de Biología Vegetal y Biotecnología, Universidad de Talca, Casilla 747, Talca, Chile Dehydrins are proteins that accumulate during environmental stresses leading to cell dehydration. Deschampsia antarctica is one of the two vascular plants that have colonized the Maritime Antarctic. This plant is usually exposed to cold, salt and desiccating winds in the field. We proposed that among the factors that allow D. antarctica to survive the harsh environmental conditions is the presence of dehydrins. We studied the accumulation of dehydrins by abscisic acid (ABA), dehydration, NaCl and low osmotic potential. Western blots using an anti-dehydrin antibody revealed a complex pattern of dehydrin-like proteins (DLPs) accumulation in the different treatments. DLPs with apparent molecular weight of 58, 57, 55, 53, 48, 42, 32, 30, 28 and 25 kDa were detected in the different treatments. DLPs accumulation was associated with a decrease in the relative water content (RWC) of the plants. These results suggest that DLPs accumulation could contribute to explain how D. antarctica can survive under adverse Antarctic conditions. http://dx.doi.org/10.1007/s00300-005-0718-5 Article in Journal/Newspaper Antarc* Antarctic Antarctica Polar Biology Biblioteca Universidad de Talca: DSpace |
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Open Polar |
collection |
Biblioteca Universidad de Talca: DSpace |
op_collection_id |
ftunivtalca |
language |
English |
topic |
Water-Deficit Signal-Transduction Low-Temperature Osmotic-Stress Abscisic-Acid Reversible Photoinhibition Colobanthus-Quitensis Freezing Tolerance Cold-Acclimation Vascular Plants |
spellingShingle |
Water-Deficit Signal-Transduction Low-Temperature Osmotic-Stress Abscisic-Acid Reversible Photoinhibition Colobanthus-Quitensis Freezing Tolerance Cold-Acclimation Vascular Plants Olave-Concha, N. Bravo, L.A. Ruíz-Lara, S. Corcuera, L.J. Differential accumulation of dehydrin-like proteins by abiotic stresses in Deschampsia antarctica Desv. |
topic_facet |
Water-Deficit Signal-Transduction Low-Temperature Osmotic-Stress Abscisic-Acid Reversible Photoinhibition Colobanthus-Quitensis Freezing Tolerance Cold-Acclimation Vascular Plants |
description |
Ruiz-Lara, S. Instituto de Biología Vegetal y Biotecnología, Universidad de Talca, Casilla 747, Talca, Chile Dehydrins are proteins that accumulate during environmental stresses leading to cell dehydration. Deschampsia antarctica is one of the two vascular plants that have colonized the Maritime Antarctic. This plant is usually exposed to cold, salt and desiccating winds in the field. We proposed that among the factors that allow D. antarctica to survive the harsh environmental conditions is the presence of dehydrins. We studied the accumulation of dehydrins by abscisic acid (ABA), dehydration, NaCl and low osmotic potential. Western blots using an anti-dehydrin antibody revealed a complex pattern of dehydrin-like proteins (DLPs) accumulation in the different treatments. DLPs with apparent molecular weight of 58, 57, 55, 53, 48, 42, 32, 30, 28 and 25 kDa were detected in the different treatments. DLPs accumulation was associated with a decrease in the relative water content (RWC) of the plants. These results suggest that DLPs accumulation could contribute to explain how D. antarctica can survive under adverse Antarctic conditions. http://dx.doi.org/10.1007/s00300-005-0718-5 |
format |
Article in Journal/Newspaper |
author |
Olave-Concha, N. Bravo, L.A. Ruíz-Lara, S. Corcuera, L.J. |
author_facet |
Olave-Concha, N. Bravo, L.A. Ruíz-Lara, S. Corcuera, L.J. |
author_sort |
Olave-Concha, N. |
title |
Differential accumulation of dehydrin-like proteins by abiotic stresses in Deschampsia antarctica Desv. |
title_short |
Differential accumulation of dehydrin-like proteins by abiotic stresses in Deschampsia antarctica Desv. |
title_full |
Differential accumulation of dehydrin-like proteins by abiotic stresses in Deschampsia antarctica Desv. |
title_fullStr |
Differential accumulation of dehydrin-like proteins by abiotic stresses in Deschampsia antarctica Desv. |
title_full_unstemmed |
Differential accumulation of dehydrin-like proteins by abiotic stresses in Deschampsia antarctica Desv. |
title_sort |
differential accumulation of dehydrin-like proteins by abiotic stresses in deschampsia antarctica desv. |
publisher |
Springer Berlin / Heidelberg |
publishDate |
2005 |
url |
http://dspace.utalca.cl/handle/1950/1533 |
genre |
Antarc* Antarctic Antarctica Polar Biology |
genre_facet |
Antarc* Antarctic Antarctica Polar Biology |
op_relation |
Polar Biology 28 (7): 506-513 0722-4060 http://dspace.utalca.cl/handle/1950/1533 |
_version_ |
1810492408578703360 |