Glutathione and ascorbic acid protect Arabidopsis plants against detrimental effects of iron deficiency

Iron is an essential micronutrient required for a wide variety of cellular functions in plant growth and development. Chlorosis is the first visible symptom in iron-deficient plants. Glutathione (GSH) and ascorbic acid (ASC) are multifunctional metabolites playing important roles in redox balancing....

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Autores principales:	Ramírez, Leonor, Bartoli, Carlos Guillermo, Lamattina, Lorenzo
Formato:	Articulo
Lenguaje:	Inglés
Publicado:	2013
Materias:	Botánica Arabidopsis thaliana ascorbic acid chlorosis glutathione iron deficiency reactive oxygen species.
Acceso en línea:	http://sedici.unlp.edu.ar/handle/10915/85534
Aporte de:	SEDICI (UNLP) de Universidad Nacional de La Plata

id	I19-R120-10915-85534
record_format	dspace
institution	Universidad Nacional de La Plata
institution_str	I-19
repository_str	R-120
collection	SEDICI (UNLP)
language	Inglés
topic	Botánica Arabidopsis thaliana ascorbic acid chlorosis glutathione iron deficiency reactive oxygen species.
spellingShingle	Botánica Arabidopsis thaliana ascorbic acid chlorosis glutathione iron deficiency reactive oxygen species. Ramírez, Leonor Bartoli, Carlos Guillermo Lamattina, Lorenzo Glutathione and ascorbic acid protect Arabidopsis plants against detrimental effects of iron deficiency
topic_facet	Botánica Arabidopsis thaliana ascorbic acid chlorosis glutathione iron deficiency reactive oxygen species.
description	Iron is an essential micronutrient required for a wide variety of cellular functions in plant growth and development. Chlorosis is the first visible symptom in iron-deficient plants. Glutathione (GSH) and ascorbic acid (ASC) are multifunctional metabolites playing important roles in redox balancing. In this work, it was shown that GSH and ASC treatment prevented chlorosis and the accumulation of reactive oxygen species induced by iron deficiency in Arabidopsis leaves. In iron deficiency, GSH and ASC increased the activity of the heme protein ascorbate peroxidase at a similar level to that found in iron-sufficient seedlings. GSH was also able to preserve the levels of the iron-sulfur protein ferredoxin 2. GSH content decreased 25% in iron-deficient Arabidopsis seedlings, whereas the ASC levels were not affected. Taken together, these results showed that GSH and ASC supplementation protects Arabidopsis seedlings from iron deficiency, preserving cell redox homeostasis and improving internal iron availability.
format	Articulo Articulo
author	Ramírez, Leonor Bartoli, Carlos Guillermo Lamattina, Lorenzo
author_facet	Ramírez, Leonor Bartoli, Carlos Guillermo Lamattina, Lorenzo
author_sort	Ramírez, Leonor
title	Glutathione and ascorbic acid protect Arabidopsis plants against detrimental effects of iron deficiency
title_short	Glutathione and ascorbic acid protect Arabidopsis plants against detrimental effects of iron deficiency
title_full	Glutathione and ascorbic acid protect Arabidopsis plants against detrimental effects of iron deficiency
title_fullStr	Glutathione and ascorbic acid protect Arabidopsis plants against detrimental effects of iron deficiency
title_full_unstemmed	Glutathione and ascorbic acid protect Arabidopsis plants against detrimental effects of iron deficiency
title_sort	glutathione and ascorbic acid protect arabidopsis plants against detrimental effects of iron deficiency
publishDate	2013
url	http://sedici.unlp.edu.ar/handle/10915/85534
work_keys_str_mv	AT ramirezleonor glutathioneandascorbicacidprotectarabidopsisplantsagainstdetrimentaleffectsofirondeficiency AT bartolicarlosguillermo glutathioneandascorbicacidprotectarabidopsisplantsagainstdetrimentaleffectsofirondeficiency AT lamattinalorenzo glutathioneandascorbicacidprotectarabidopsisplantsagainstdetrimentaleffectsofirondeficiency
bdutipo_str	Repositorios
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Glutathione and ascorbic acid protect Arabidopsis plants against detrimental effects of iron deficiency

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