Thellungiella: an Arabidopsis‐related model plant adapted to cold temperatures
ABSTRACT Thellungiella salsuginea , a wild crucifer that grows in subarctic Canada and is closely related to Arabidopsis thaliana , was examined for its suitability as a model plant for studies of tolerance to cold and freezing temperatures. Thellungiella completed its life cycle at 5 °C, demonstrat...
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crwiley:10.1111/j.1365-3040.2007.01653.x 2024-09-15T18:38:00+00:00 Thellungiella: an Arabidopsis‐related model plant adapted to cold temperatures GRIFFITH, MARILYN TIMONIN, MARY WONG, ANNIE C. E. GRAY, GORDON R. AKHTER, SAJJAD R. SALDANHA, MARSHA ROGERS, MICHAEL A. WERETILNYK, ELIZABETH A. MOFFATT, BARBARA 2007 http://dx.doi.org/10.1111/j.1365-3040.2007.01653.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1365-3040.2007.01653.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1365-3040.2007.01653.x en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Plant, Cell & Environment volume 30, issue 5, page 529-538 ISSN 0140-7791 1365-3040 journal-article 2007 crwiley https://doi.org/10.1111/j.1365-3040.2007.01653.x 2024-08-01T04:19:03Z ABSTRACT Thellungiella salsuginea , a wild crucifer that grows in subarctic Canada and is closely related to Arabidopsis thaliana , was examined for its suitability as a model plant for studies of tolerance to cold and freezing temperatures. Thellungiella completed its life cycle at 5 °C, demonstrating that temperature‐sensitive processes such as seed germination and the production of pollen and seeds were resistant to cold temperatures. Moreover, the plant exhibited dramatically different vegetative and flowering phenotypes in response to growth at cold temperature and shifts to cold temperature. Northern analyses showed that genes induced by cold in Arabidopsis , including CBF1 , the transcriptional activator for the cold‐regulated ( COR ) genes COR15a and COR47 , were also expressed in Thellungiella . Freezing tolerance, assayed by the regrowth of intact plants, increased from −13.0 to −18.5 °C after cold treatment. The plants lacked endogenous ice nucleation or anti‐freeze activity, indicating a potential for supercooling. As a close relative to Arabidopsis , Thellungiella exhibits extreme cold tolerance and should be an important model system in the elucidation of stress tolerance mechanisms. Article in Journal/Newspaper Subarctic Wiley Online Library Plant, Cell & Environment 30 5 529 538 |
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Open Polar |
collection |
Wiley Online Library |
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crwiley |
language |
English |
description |
ABSTRACT Thellungiella salsuginea , a wild crucifer that grows in subarctic Canada and is closely related to Arabidopsis thaliana , was examined for its suitability as a model plant for studies of tolerance to cold and freezing temperatures. Thellungiella completed its life cycle at 5 °C, demonstrating that temperature‐sensitive processes such as seed germination and the production of pollen and seeds were resistant to cold temperatures. Moreover, the plant exhibited dramatically different vegetative and flowering phenotypes in response to growth at cold temperature and shifts to cold temperature. Northern analyses showed that genes induced by cold in Arabidopsis , including CBF1 , the transcriptional activator for the cold‐regulated ( COR ) genes COR15a and COR47 , were also expressed in Thellungiella . Freezing tolerance, assayed by the regrowth of intact plants, increased from −13.0 to −18.5 °C after cold treatment. The plants lacked endogenous ice nucleation or anti‐freeze activity, indicating a potential for supercooling. As a close relative to Arabidopsis , Thellungiella exhibits extreme cold tolerance and should be an important model system in the elucidation of stress tolerance mechanisms. |
format |
Article in Journal/Newspaper |
author |
GRIFFITH, MARILYN TIMONIN, MARY WONG, ANNIE C. E. GRAY, GORDON R. AKHTER, SAJJAD R. SALDANHA, MARSHA ROGERS, MICHAEL A. WERETILNYK, ELIZABETH A. MOFFATT, BARBARA |
spellingShingle |
GRIFFITH, MARILYN TIMONIN, MARY WONG, ANNIE C. E. GRAY, GORDON R. AKHTER, SAJJAD R. SALDANHA, MARSHA ROGERS, MICHAEL A. WERETILNYK, ELIZABETH A. MOFFATT, BARBARA Thellungiella: an Arabidopsis‐related model plant adapted to cold temperatures |
author_facet |
GRIFFITH, MARILYN TIMONIN, MARY WONG, ANNIE C. E. GRAY, GORDON R. AKHTER, SAJJAD R. SALDANHA, MARSHA ROGERS, MICHAEL A. WERETILNYK, ELIZABETH A. MOFFATT, BARBARA |
author_sort |
GRIFFITH, MARILYN |
title |
Thellungiella: an Arabidopsis‐related model plant adapted to cold temperatures |
title_short |
Thellungiella: an Arabidopsis‐related model plant adapted to cold temperatures |
title_full |
Thellungiella: an Arabidopsis‐related model plant adapted to cold temperatures |
title_fullStr |
Thellungiella: an Arabidopsis‐related model plant adapted to cold temperatures |
title_full_unstemmed |
Thellungiella: an Arabidopsis‐related model plant adapted to cold temperatures |
title_sort |
thellungiella: an arabidopsis‐related model plant adapted to cold temperatures |
publisher |
Wiley |
publishDate |
2007 |
url |
http://dx.doi.org/10.1111/j.1365-3040.2007.01653.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1365-3040.2007.01653.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1365-3040.2007.01653.x |
genre |
Subarctic |
genre_facet |
Subarctic |
op_source |
Plant, Cell & Environment volume 30, issue 5, page 529-538 ISSN 0140-7791 1365-3040 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1111/j.1365-3040.2007.01653.x |
container_title |
Plant, Cell & Environment |
container_volume |
30 |
container_issue |
5 |
container_start_page |
529 |
op_container_end_page |
538 |
_version_ |
1810482341332647936 |