Non-symbiotic hemoglobin and its relation with hypoxic stress

Today we know that several types of hemoglobins exist in plants. The symbiotic hemoglobins were discovered in 1939 and are only found in nodules of plants capable of symbiotically fixing atmospheric N. Another class, called non-symbiotic hemoglobin, was discovered 32 yr ago and is now thought to exi...

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Autores principales:	Riquelme,Alejandro, Hinrichsen,Patricio
Lenguaje:	English
Publicado:	Instituto de Investigaciones Agropecuarias, INIA 2015
Materias:	Anaerobic hemoglobin hypoxia nitric oxide oxygen transport
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392015000300009
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spelling	oai:scielo:S0718-583920150003000092018-10-01Non-symbiotic hemoglobin and its relation with hypoxic stressRiquelme,AlejandroHinrichsen,Patricio Anaerobic hemoglobin hypoxia nitric oxide oxygen transport Today we know that several types of hemoglobins exist in plants. The symbiotic hemoglobins were discovered in 1939 and are only found in nodules of plants capable of symbiotically fixing atmospheric N. Another class, called non-symbiotic hemoglobin, was discovered 32 yr ago and is now thought to exist throughout the plant kingdom, being expressed in different organs and tissues. Recently the existence of another type of hemoglobin, called truncated hemoglobin, was demonstrated in plants. Although the presence of hemoglobins is widespread in the plant kingdom, their role has not yet been fully elucidated. This review discusses recent findings regarding the role of plant hemoglobins, with special emphasis on their relationship to plants adaptation to hypoxia. It also discusses the role of nitric oxide in plant cells under hypoxic conditions, since one of the functions of hemoglobin appears to be modulating nitric oxide levels in the cells.info:eu-repo/semantics/openAccessInstituto de Investigaciones Agropecuarias, INIAChilean journal of agricultural research v.75 suppl.1 20152015-08-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392015000300009en10.4067/S0718-58392015000300009
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Anaerobic hemoglobin hypoxia nitric oxide oxygen transport
spellingShingle	Anaerobic hemoglobin hypoxia nitric oxide oxygen transport Riquelme,Alejandro Hinrichsen,Patricio Non-symbiotic hemoglobin and its relation with hypoxic stress
description	Today we know that several types of hemoglobins exist in plants. The symbiotic hemoglobins were discovered in 1939 and are only found in nodules of plants capable of symbiotically fixing atmospheric N. Another class, called non-symbiotic hemoglobin, was discovered 32 yr ago and is now thought to exist throughout the plant kingdom, being expressed in different organs and tissues. Recently the existence of another type of hemoglobin, called truncated hemoglobin, was demonstrated in plants. Although the presence of hemoglobins is widespread in the plant kingdom, their role has not yet been fully elucidated. This review discusses recent findings regarding the role of plant hemoglobins, with special emphasis on their relationship to plants adaptation to hypoxia. It also discusses the role of nitric oxide in plant cells under hypoxic conditions, since one of the functions of hemoglobin appears to be modulating nitric oxide levels in the cells.
author	Riquelme,Alejandro Hinrichsen,Patricio
author_facet	Riquelme,Alejandro Hinrichsen,Patricio
author_sort	Riquelme,Alejandro
title	Non-symbiotic hemoglobin and its relation with hypoxic stress
title_short	Non-symbiotic hemoglobin and its relation with hypoxic stress
title_full	Non-symbiotic hemoglobin and its relation with hypoxic stress
title_fullStr	Non-symbiotic hemoglobin and its relation with hypoxic stress
title_full_unstemmed	Non-symbiotic hemoglobin and its relation with hypoxic stress
title_sort	non-symbiotic hemoglobin and its relation with hypoxic stress
publisher	Instituto de Investigaciones Agropecuarias, INIA
publishDate	2015
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392015000300009
work_keys_str_mv	AT riquelmealejandro nonsymbiotichemoglobinanditsrelationwithhypoxicstress AT hinrichsenpatricio nonsymbiotichemoglobinanditsrelationwithhypoxicstress
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Non-symbiotic hemoglobin and its relation with hypoxic stress

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