Ivan Couée

Differential patterns of reactive oxygen species and antioxidative mechanisms during atrazine injury and sucrose-induced tolerance in Arabidopsis thalianaplantlets (2009)

Ramel, Fanny, Sulmon, Cécile, Bogard, Matthieu, Couée, Ivan, Gouesbet, Gwenola

Abstract Background Besides being essential for plant structure and metabolism, soluble carbohydrates play important roles in stress responses. Sucrose has been shown to confer to Arabidopsis...

Differential patterns of reactive oxygen species and antioxidative mechanisms during atrazine injury and sucrose-induced tolerance in Arabidopsis thaliana plantlets. (2009)

Ramel, Fanny, Sulmon, Cécile, Bogard, Matthieu, Couée, Ivan, Gouesbet, Gwenola

Background: Besides being essential for plant structure and metabolism, soluble carbohydrates play important roles in stress responses. Sucrose has been shown to confer to Arabidopsis seedlings a...

Differential patterns of reactive oxygen species and antioxidative mechanisms during atrazine injury and sucrose-induced tolerance in Arabidopsis thaliana plantlets. (2009)

Ramel, Fanny, Sulmon, Cécile, Bogard, Matthieu, Couée, Ivan, Gouesbet, Gwenola

Background: Besides being essential for plant structure and metabolism, soluble carbohydrates play important roles in stress responses. Sucrose has been shown to confer to Arabidopsis seedlings a...

Domain organization within repeated DNA sequences: application to the study of a family of transposable elements., in "Bioinformatics", vol. 22, n o 16 (2008)

Sébastien Tempel, Mathieu Giraud, Dominique Lavenier, Israël-césar Lerman, Sophie Valin, Ivan Couée, ...

Motivation: The analysis of repeated elements in genomes is a fascinating domain of research that is lacking relevant tools for transposable elements, the most complex ones. The dynamics of...

Genome-wide interacting effects of sucrose and herbicide-mediated stress in Arabidopsis thaliana: novel insights into atrazine toxicity and sucrose-induced tolerance (2007)

Ramel, Fanny, Sulmon, Cécile, Cabello-Hurtado, Francisco, Taconnat, Ludivine, Martin-Magniette, Marie-Laure, Renou, Jean-Pierre, ...

Abstract Background Soluble sugars, which play a central role in plant structure and metabolism, are also involved in the responses to a number of stresses, and act as metabolite signalling molecules...

Model-based Identification of Helitrons Results in a New Classification of Their Families in Arabidopsis thaliana (2007)

Tempel, Sébastien, Nicolas, Jacques, El Amrani, Abdelhak, Couée, Ivan

Helitrons are a class of prolific transposable elements in the Arabidopsis thaliana genome. Although 37 families were identified after the recent discovery of helitrons, no systematic classification...

Model-based Identification of Helitrons Results in a New Classification of Their Families in Arabidopsis thaliana (2007)

Tempel, Sébastien, Nicolas, Jacques, El Amrani, Abdelhak, Couée, Ivan

Helitrons are a class of prolific transposable elements in the Arabidopsis thaliana genome. Although 37 families were identified after the recent discovery of helitrons, no systematic classification...

Genome-wide interacting effects of sucrose and herbicide-mediated stress in Arabidopsis thaliana: novel insights into atrazine toxicity and sucrose-induced tolerance. (2007)

Ramel, Fanny, Sulmon, Cécile, Cabello-Hurtado, Francisco, Taconnat, Ludivine, Martin-Magniette, Marie-Laure, Renou, Jean-Pierre, ...

Background: Soluble sugars, which play a central role in plant structure and metabolism, are also involved in the responses to a number of stresses, and act as metabolite signalling molecules that...

Genome-wide interacting effects of sucrose and herbicide-mediated stress in Arabidopsis thaliana: novel insights into atrazine toxicity and sucrose-induced tolerance. (2007)

Ramel, Fanny, Sulmon, Cécile, Cabello-Hurtado, Francisco, Taconnat, Ludivine, Martin-Magniette, Marie-Laure, Renou, Jean-Pierre, ...

Background: Soluble sugars, which play a central role in plant structure and metabolism, are also involved in the responses to a number of stresses, and act as metabolite signalling molecules that...

Involvement of soluble sugars in reactive oxygen species balance and responses to oxidative stress in plants (2006)

Couée, Ivan, Sulmon, Cécile, Gouesbet, Gwenola, El Amrani, Abdelhak

Soluble sugars, especially sucrose, glucose, and fructose, play an obviously central role in plant structure and metabolism at the cellular and whole-organism levels. They are involved in the...

Involvement of soluble sugars in reactive oxygen species balance and responses to oxidative stress in plants (2006)

Couée, Ivan, Sulmon, Cécile, Gouesbet, Gwenola, El Amrani, Abdelhak

Soluble sugars, especially sucrose, glucose, and fructose, play an obviously central role in plant structure and metabolism at the cellular and whole-organism levels. They are involved in the...

Domain organization within repeated DNA sequences: application to the study of a family of transposable elements (2006)

Tempel, Sébastien, Giraud, Mathieu, Lavenier, Dominique, Lerman, Israël-César, Valin, Anne-Sophie, Couée, Ivan, ...

Motivation: The analysis of repeated elements in genomes is a fascinating domain of research that is lacking relevant tools for transposable elements (TEs), the most complex ones. The dynamics of...

Involvement of soluble sugars in reactive oxygen species balance and responses to oxidative stress in plants (2006)

Couée, Ivan, Sulmon, Cécile, Gouesbet, Gwenola, El Amrani, Abdelhak

Soluble sugars, especially sucrose, glucose, and fructose, play an obviously central role in plant structure and metabolism at the cellular and whole-organism levels. They are involved in the...

Involvement of polyamines in the interacting effects of low temperature and mineral supply on Pringlea antiscorbutica (Kerguelen cabbage) seedlings (2004)

Hummel, Irène, El Amrani, Abdelhak, Gouesbet, Gwenola, Hennion, Françoise, Couée, Ivan

Pringlea antiscorbutica, which is the sole endemic crucifer in the subantarctic zone, undergoes seedling development in a harsh and cold environment. Since, at the mature stage, this species exhibits...

Involvement of polyamines in the interacting effects of low temperature and mineral supply on Pringlea antiscorbutica (Kerguelen cabbage) seedlings (2004)

Hummel, Irène, El Amrani, Abdelhak, Gouesbet, Gwenola, Hennion, Françoise, Couée, Ivan

Pringlea antiscorbutica, which is the sole endemic crucifer in the subantarctic zone, undergoes seedling development in a harsh and cold environment. Since, at the mature stage, this species exhibits...

Involvement of polyamines in root development at low temperature in the subantarctic cruciferous species Pringlea antiscorbutica (2002)

Hummel, Irène, Couée, Ivan, El Amrani, Abdelhak, Martin-Tanguy, Josette, Hennion, Françoise

Polyamine involvement in root development at low temperature was studied in seedlings of Pringlea antiscorbutica R. Br. This unique endemic cruciferous species from the subantarctic zone is subjected...

Identification, Separation, and Characterization of Acyl-Coenzyme A Dehydrogenases Involved in Mitochondrial β-Oxidation in Higher Plants1

Bode, Kornelia, Hooks, Mark A., Couée, Ivan

The existence in higher plants of an additional β-oxidation system in mitochondria, besides the well-characterized peroxisomal system, is often considered controversial. Unequivocal demonstration of...

The Mitochondrial Isovaleryl-Coenzyme A Dehydrogenase of Arabidopsis Oxidizes Intermediates of Leucine and Valine Catabolism1

Däschner, Klaus, Couée, Ivan, Binder, Stefan

We recently identified a cDNA encoding a putative isovaleryl-coenzyme A (CoA) dehydrogenase in Arabidopsis (AtIVD). In animals, this homotetrameric enzyme is located in mitochondria and catalyzes the...

Effects of Glucose Starvation on Mitochondrial Subpopulations in the Meristematic and Submeristematic Regions of Maize Root

Couée, Ivan, Jan, Murielle, Carde, Jean-Pierre, Brouquisse, Renaud, Raymond, Philippe, Pradet, Alain

Mitochondria isolated from 3-mm long maize (Zea mays L. var Dea) root tips were found to be heterogeneous on Percoll density gradients. The ultrastructure of these isolated mitochondria correlated...

Effects of Anoxia on Mitochondrial Biogenesis in Rice Shoots: Modification of in Organello Translation Characteristics

Couée, Ivan, Defontaine, Séverine, Carde, Jean-Pierre, Pradet, Alain

Shoots of germinating rice (Oryza sativa L.) seedlings are able to grow under anoxia and to withstand long periods of anoxic treatment. Mitochondria were purified from aerobically germinated and...

Identification, Separation, and Characterization of Acyl-Coenzyme A Dehydrogenases Involved in Mitochondrial β-Oxidation in Higher Plants1

Bode, Kornelia, Hooks, Mark A., Couée, Ivan

The existence in higher plants of an additional β-oxidation system in mitochondria, besides the well-characterized peroxisomal system, is often considered controversial. Unequivocal demonstration of...

The Mitochondrial Isovaleryl-Coenzyme A Dehydrogenase of Arabidopsis Oxidizes Intermediates of Leucine and Valine Catabolism1

Däschner, Klaus, Couée, Ivan, Binder, Stefan

We recently identified a cDNA encoding a putative isovaleryl-coenzyme A (CoA) dehydrogenase in Arabidopsis (AtIVD). In animals, this homotetrameric enzyme is located in mitochondria and catalyzes the...

Effects of Glucose Starvation on Mitochondrial Subpopulations in the Meristematic and Submeristematic Regions of Maize Root

Couée, Ivan, Jan, Murielle, Carde, Jean-Pierre, Brouquisse, Renaud, Raymond, Philippe, Pradet, Alain

Mitochondria isolated from 3-mm long maize (Zea mays L. var Dea) root tips were found to be heterogeneous on Percoll density gradients. The ultrastructure of these isolated mitochondria correlated...

Effects of Anoxia on Mitochondrial Biogenesis in Rice Shoots: Modification of in Organello Translation Characteristics

Couée, Ivan, Defontaine, Séverine, Carde, Jean-Pierre, Pradet, Alain

Shoots of germinating rice (Oryza sativa L.) seedlings are able to grow under anoxia and to withstand long periods of anoxic treatment. Mitochondria were purified from aerobically germinated and...