2010
DOI: 10.1590/s0103-90162010000200017
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Abstract: Several studies were carried out in order to improve the knowledge about the occurrence and activity of nitric oxide (NO) in plants. Thus, this review discusses some aspects related to NO in plants such as chemical properties, synthesis pathways, physiological effects, antioxidant action, signal transduction, interaction with plant hormones and gene expression. In the last years, many advances have been obtained regarding NO synthesis and its physiological effects in plants. However, the molecular mechanisms u… Show more

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Cited by 20 publications
(8 citation statements)
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“…There are two independent ⋅NO production pathways in the chloroplast: (1) reductive ⋅NO generation from nitrite catalyzed by the thylakoid membrane-associated nitrate reductase; and (2) oxidative ⋅NO synthesis from arginine (Arg) catalyzed by a ⋅NO synthase-like enzyme [243,244]. Nitrate reductase generally reduces nitrate to nitrite, but this enzyme can also reduce nitrite to ⋅NO [245,246]. It is worth mentioning that the production of ⋅NO by nitrate reductase and the ⋅NO synthase-like enzyme requires NAD(P)H [246].…”
Section: The Chloroplast Is a Major Site Of Free Radical Productionmentioning
confidence: 99%
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“…There are two independent ⋅NO production pathways in the chloroplast: (1) reductive ⋅NO generation from nitrite catalyzed by the thylakoid membrane-associated nitrate reductase; and (2) oxidative ⋅NO synthesis from arginine (Arg) catalyzed by a ⋅NO synthase-like enzyme [243,244]. Nitrate reductase generally reduces nitrate to nitrite, but this enzyme can also reduce nitrite to ⋅NO [245,246]. It is worth mentioning that the production of ⋅NO by nitrate reductase and the ⋅NO synthase-like enzyme requires NAD(P)H [246].…”
Section: The Chloroplast Is a Major Site Of Free Radical Productionmentioning
confidence: 99%
“…Nitrate reductase generally reduces nitrate to nitrite, but this enzyme can also reduce nitrite to ⋅NO [245,246]. It is worth mentioning that the production of ⋅NO by nitrate reductase and the ⋅NO synthase-like enzyme requires NAD(P)H [246].…”
Section: The Chloroplast Is a Major Site Of Free Radical Productionmentioning
confidence: 99%
“…Besides humans and animals, NO is also an important signaling molecule in plants (Wendehenne and Hancock 2011). The actual role of NO in plants is mainly as a key regulator of cellular functions, similar to those observed in animals (Beligni and Lamattina 2000; Besson- Bard et al 2008;Ferreira and Cataneo 2010). NO is a chemical messenger in plant biology and an important regulator of many physiological events, mainly in response to biotic and abiotic stress (Shi et al 2012).…”
Section: Introductionmentioning
confidence: 80%
“…Besides, Del Río et al (2004) stated that NO can act in root organogenesis, stomatal movements, senescence, programmed cell death, cell wall lignification, and nodular metabolism. Ferreira & Cataneo (2010) also described some aspects of NO action in plants such as chemical properties, synthesis pathways, antioxidant action, signal transduction, interaction with plant hormones, and gene expression. Beligni & Lamattina (2001) reported several physiological effects of NO according to the plant organ in several species.…”
Section: Introductionmentioning
confidence: 99%