Nitric Oxide is Required for Homeostasis of Oxygen and Reactive Oxygen Species in Barley Roots under Aerobic Conditions

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Nitric Oxide is Required for Homeostasis of Oxygen and Reactive Oxygen Species in Barley Roots under Aerobic Conditions. / Gupta, Kapuganti J; Hebelstrup, Kim; Kruger, Nicholas J; Ratcliffe, R George.

I: Molecular Plant, Bind 7, Nr. 4, 2014, s. 747-750.

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avisTidsskriftartikelForskningpeer review

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Gupta, Kapuganti J ; Hebelstrup, Kim ; Kruger, Nicholas J ; Ratcliffe, R George. / Nitric Oxide is Required for Homeostasis of Oxygen and Reactive Oxygen Species in Barley Roots under Aerobic Conditions. I: Molecular Plant. 2014 ; Bind 7, Nr. 4. s. 747-750.

Bibtex

@article{90aa356e486347f3b44ac3b9b96b2d3e,
title = "Nitric Oxide is Required for Homeostasis of Oxygen and Reactive Oxygen Species in Barley Roots under Aerobic Conditions",
abstract = "Oxygen, the terminal electron acceptor for mitochondrial electron transport, is vital for plants because of its role in the production of ATP by oxidative phosphorylation. While photosynthetic oxygen production contributes to the oxygen supply in leaves, reducing the risk of oxygen limitation of mitochondrial metabolism under most conditions, root tissues often suffer oxygen deprivation during normal development due to the lack of an endogenous supply and isolation from atmospheric oxygen. Since changes in oxygen concentration have multiple effects on metabolism and energy production (Geigenberger, 2003), tight control of oxygen consumption and homeostasis is likely to be particularly important in underground tissues such as roots.Nitric oxide (NO) is involved in many plant processes (Mur et al., 2013) and, under hypoxia, there is good evidence that nitric oxide (NO) contributes to the recycling of NADH (Stoimenova et al., 2007), the synthesis of ATP (Stoimenova et al., 2007), and the regulation of oxygen consumption (Borisjuk et al., 2007). The involvement of NO in the metabolic response to low oxygen is consistent with increased NO production during oxygen deprivation (Borisjuk et al., 2007), but the extent to which NO might also play a role in the energy metabolism of roots under normal aerobic conditions is unknown. Mitochondria, whose functions are central to aerobic metabolism, are the major source of NO in plants, and potential targets for NO include cytochrome c oxidase in the mitochondrial electron transport chain (Gupta et al., 2011). Thus, NO could influence oxygen consumption under normal aerobic conditions in roots, and it is this specific function that is assessed here.",
author = "Gupta, {Kapuganti J} and Kim Hebelstrup and Kruger, {Nicholas J} and Ratcliffe, {R George}",
year = "2014",
doi = "10.1093/mp/sst167",
language = "English",
volume = "7",
pages = "747--750",
journal = "Molecular Plant",
issn = "1674-2052",
publisher = "Cell Press",
number = "4",

}

RIS

TY - JOUR

T1 - Nitric Oxide is Required for Homeostasis of Oxygen and Reactive Oxygen Species in Barley Roots under Aerobic Conditions

AU - Gupta, Kapuganti J

AU - Hebelstrup, Kim

AU - Kruger, Nicholas J

AU - Ratcliffe, R George

PY - 2014

Y1 - 2014

N2 - Oxygen, the terminal electron acceptor for mitochondrial electron transport, is vital for plants because of its role in the production of ATP by oxidative phosphorylation. While photosynthetic oxygen production contributes to the oxygen supply in leaves, reducing the risk of oxygen limitation of mitochondrial metabolism under most conditions, root tissues often suffer oxygen deprivation during normal development due to the lack of an endogenous supply and isolation from atmospheric oxygen. Since changes in oxygen concentration have multiple effects on metabolism and energy production (Geigenberger, 2003), tight control of oxygen consumption and homeostasis is likely to be particularly important in underground tissues such as roots.Nitric oxide (NO) is involved in many plant processes (Mur et al., 2013) and, under hypoxia, there is good evidence that nitric oxide (NO) contributes to the recycling of NADH (Stoimenova et al., 2007), the synthesis of ATP (Stoimenova et al., 2007), and the regulation of oxygen consumption (Borisjuk et al., 2007). The involvement of NO in the metabolic response to low oxygen is consistent with increased NO production during oxygen deprivation (Borisjuk et al., 2007), but the extent to which NO might also play a role in the energy metabolism of roots under normal aerobic conditions is unknown. Mitochondria, whose functions are central to aerobic metabolism, are the major source of NO in plants, and potential targets for NO include cytochrome c oxidase in the mitochondrial electron transport chain (Gupta et al., 2011). Thus, NO could influence oxygen consumption under normal aerobic conditions in roots, and it is this specific function that is assessed here.

AB - Oxygen, the terminal electron acceptor for mitochondrial electron transport, is vital for plants because of its role in the production of ATP by oxidative phosphorylation. While photosynthetic oxygen production contributes to the oxygen supply in leaves, reducing the risk of oxygen limitation of mitochondrial metabolism under most conditions, root tissues often suffer oxygen deprivation during normal development due to the lack of an endogenous supply and isolation from atmospheric oxygen. Since changes in oxygen concentration have multiple effects on metabolism and energy production (Geigenberger, 2003), tight control of oxygen consumption and homeostasis is likely to be particularly important in underground tissues such as roots.Nitric oxide (NO) is involved in many plant processes (Mur et al., 2013) and, under hypoxia, there is good evidence that nitric oxide (NO) contributes to the recycling of NADH (Stoimenova et al., 2007), the synthesis of ATP (Stoimenova et al., 2007), and the regulation of oxygen consumption (Borisjuk et al., 2007). The involvement of NO in the metabolic response to low oxygen is consistent with increased NO production during oxygen deprivation (Borisjuk et al., 2007), but the extent to which NO might also play a role in the energy metabolism of roots under normal aerobic conditions is unknown. Mitochondria, whose functions are central to aerobic metabolism, are the major source of NO in plants, and potential targets for NO include cytochrome c oxidase in the mitochondrial electron transport chain (Gupta et al., 2011). Thus, NO could influence oxygen consumption under normal aerobic conditions in roots, and it is this specific function that is assessed here.

U2 - 10.1093/mp/sst167

DO - 10.1093/mp/sst167

M3 - Journal article

VL - 7

SP - 747

EP - 750

JO - Molecular Plant

JF - Molecular Plant

SN - 1674-2052

IS - 4

ER -