Oxygen deprivation stress in a changing environment
Past research into flooding tolerance and oxygen shortages in plants has been motivated largely by cultivation problems of arable crops. Unfortunately, such species are unsuitable for investigating the physiological and biochemical basis of anoxia-tolerance as selection has reduced any tolerance of...
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Oxford University Press
1996
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Online Access: | https://boris.unibe.ch/91794/1/1996_JExpBot_47_145.pdf https://boris.unibe.ch/91794/8/47-2-145.pdf https://boris.unibe.ch/91794/ |
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ftunivbern:oai:boris.unibe.ch:91794 2023-08-20T04:04:56+02:00 Oxygen deprivation stress in a changing environment Crawford, RMM Brändle, Roland 1996 application/pdf https://boris.unibe.ch/91794/1/1996_JExpBot_47_145.pdf https://boris.unibe.ch/91794/8/47-2-145.pdf https://boris.unibe.ch/91794/ eng eng Oxford University Press https://boris.unibe.ch/91794/ info:eu-repo/semantics/restrictedAccess info:eu-repo/semantics/openAccess Crawford, RMM; Brändle, Roland (1996). Oxygen deprivation stress in a changing environment. Journal of Experimental Botany, 47(295), pp. 145-159. Oxford University Press 10.1093/jxb/47.2.145 <http://dx.doi.org/10.1093/jxb/47.2.145> 580 Plants (Botany) info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion PeerReviewed 1996 ftunivbern https://doi.org/10.1093/jxb/47.2.145 2023-07-31T21:31:04Z Past research into flooding tolerance and oxygen shortages in plants has been motivated largely by cultivation problems of arable crops. Unfortunately, such species are unsuitable for investigating the physiological and biochemical basis of anoxia-tolerance as selection has reduced any tolerance of anaerobiosis and anaerobic soil conditions that their wild ancestors might have possessed, Restoration of anoxia-tolerance to species that have lost this property is served better by physiological and molecular studies of the mechanisms that are employed in wild species that still possess long-term anoxia-tolerance. Case studies developing these arguments are presented in relation to a selection of crop and wild species, The flooding sensitivity and metabolism of maize is compared in relation to rice in its capacity for anaerobic germination, The sensitivity of potato to flooding is related to its disturbed energy metabolism and inability to maintain functioning membranes under anoxia and post-inoxia, By contrast, long-term anoxia-tolerance in the American cranberry (Vaccinium macrocarpon) and the arctic grass species Deschampsia beringensis can be related to the provision and utilization of carbohydrate reserves. Among temperate species, the sweet flag (Acorus calamus) shows a remarkable tolerance of anoxia in both shoots and roots and is also able to mobilize carbohydrate and maintain ATP levels during anoxia as well as preserving membrane lipids against anoxic and post-anoxic injury. Phragmites australis and Spartina alterniflora, although anoxia-tolerant, are both sulphide-sensitive species which can pre-dispose them to the phenomenon of die-back in stagnant, nutrient-rich water. Glyceria maxima adapts to flooding through phenological adaptations with a seasonal metabolic tolerance of anoxia confined to winter and spring which, combined with a facility for root aeration and early spring growth, allows rapid colonization of sites with only shallow flooding. The diversity of responses to flooding in wild plants ... Article in Journal/Newspaper Arctic BORIS (Bern Open Repository and Information System, University of Bern) Arctic Journal of Experimental Botany 47 2 145 159 |
institution |
Open Polar |
collection |
BORIS (Bern Open Repository and Information System, University of Bern) |
op_collection_id |
ftunivbern |
language |
English |
topic |
580 Plants (Botany) |
spellingShingle |
580 Plants (Botany) Crawford, RMM Brändle, Roland Oxygen deprivation stress in a changing environment |
topic_facet |
580 Plants (Botany) |
description |
Past research into flooding tolerance and oxygen shortages in plants has been motivated largely by cultivation problems of arable crops. Unfortunately, such species are unsuitable for investigating the physiological and biochemical basis of anoxia-tolerance as selection has reduced any tolerance of anaerobiosis and anaerobic soil conditions that their wild ancestors might have possessed, Restoration of anoxia-tolerance to species that have lost this property is served better by physiological and molecular studies of the mechanisms that are employed in wild species that still possess long-term anoxia-tolerance. Case studies developing these arguments are presented in relation to a selection of crop and wild species, The flooding sensitivity and metabolism of maize is compared in relation to rice in its capacity for anaerobic germination, The sensitivity of potato to flooding is related to its disturbed energy metabolism and inability to maintain functioning membranes under anoxia and post-inoxia, By contrast, long-term anoxia-tolerance in the American cranberry (Vaccinium macrocarpon) and the arctic grass species Deschampsia beringensis can be related to the provision and utilization of carbohydrate reserves. Among temperate species, the sweet flag (Acorus calamus) shows a remarkable tolerance of anoxia in both shoots and roots and is also able to mobilize carbohydrate and maintain ATP levels during anoxia as well as preserving membrane lipids against anoxic and post-anoxic injury. Phragmites australis and Spartina alterniflora, although anoxia-tolerant, are both sulphide-sensitive species which can pre-dispose them to the phenomenon of die-back in stagnant, nutrient-rich water. Glyceria maxima adapts to flooding through phenological adaptations with a seasonal metabolic tolerance of anoxia confined to winter and spring which, combined with a facility for root aeration and early spring growth, allows rapid colonization of sites with only shallow flooding. The diversity of responses to flooding in wild plants ... |
format |
Article in Journal/Newspaper |
author |
Crawford, RMM Brändle, Roland |
author_facet |
Crawford, RMM Brändle, Roland |
author_sort |
Crawford, RMM |
title |
Oxygen deprivation stress in a changing environment |
title_short |
Oxygen deprivation stress in a changing environment |
title_full |
Oxygen deprivation stress in a changing environment |
title_fullStr |
Oxygen deprivation stress in a changing environment |
title_full_unstemmed |
Oxygen deprivation stress in a changing environment |
title_sort |
oxygen deprivation stress in a changing environment |
publisher |
Oxford University Press |
publishDate |
1996 |
url |
https://boris.unibe.ch/91794/1/1996_JExpBot_47_145.pdf https://boris.unibe.ch/91794/8/47-2-145.pdf https://boris.unibe.ch/91794/ |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic |
genre_facet |
Arctic |
op_source |
Crawford, RMM; Brändle, Roland (1996). Oxygen deprivation stress in a changing environment. Journal of Experimental Botany, 47(295), pp. 145-159. Oxford University Press 10.1093/jxb/47.2.145 <http://dx.doi.org/10.1093/jxb/47.2.145> |
op_relation |
https://boris.unibe.ch/91794/ |
op_rights |
info:eu-repo/semantics/restrictedAccess info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1093/jxb/47.2.145 |
container_title |
Journal of Experimental Botany |
container_volume |
47 |
container_issue |
2 |
container_start_page |
145 |
op_container_end_page |
159 |
_version_ |
1774715362235908096 |