scholarly journals Nitric Oxide- and Hydrogen Peroxide-Responsive Gene Regulation during Cell Death Induction in Tobacco

2006 ◽  
Vol 141 (2) ◽  
pp. 404-411 ◽  
Author(s):  
Elisa Zago ◽  
Stijn Morsa ◽  
James F. Dat ◽  
Philippe Alard ◽  
Alberto Ferrarini ◽  
...  
Keyword(s):  
Nitric Oxide ◽  
Hydrogen Peroxide ◽  
Cell Death ◽  
Gene Regulation ◽  
Responsive Gene

Hydrogen peroxide is involved in nitric oxide-induced cell death in maize leaves

Plant Biology ◽  
2012 ◽  
Vol 15 (1) ◽  
pp. 53-59 ◽  
Author(s):  
X. Kong ◽  
D. Zhang ◽  
J. Pan ◽  
Y. Zhou ◽  
D. Li
Keyword(s):  
Nitric Oxide ◽  
Hydrogen Peroxide ◽  
Cell Death ◽  
Maize Leaves

Nitric oxide and hydrogen peroxide involvement during programmed cell death of Sechium edule nucellus

2010 ◽  
Vol 140 (1) ◽  
pp. 89-102 ◽  
Author(s):  
Lara Lombardi ◽  
Nello Ceccarelli ◽  
Piero Picciarelli ◽  
Carlo Sorce ◽  
Roberto Lorenzi
Keyword(s):  
Nitric Oxide ◽  
Hydrogen Peroxide ◽  
Cell Death ◽  
Programmed Cell Death ◽  
Sechium Edule

scholarly journals Reactive oxygen species, nitric oxide and plant cell death associated with caspase-like protease activity during somatic embryogenesis in Fraxinus mandshurica

2021 ◽  
Author(s):  
Hao Wang ◽  
Dongyan Zhang ◽  
Juan Luis Fernández-Lorenzo ◽  
Hailong Shen ◽  
Ling Yang
Keyword(s):  
Nitric Oxide ◽  
Reactive Oxygen Species ◽  
Hydrogen Peroxide ◽  
Cell Death ◽  
Somatic Embryogenesis ◽  
Programmed Cell Death ◽  
Plant Growth ◽  
Growth Regulators ◽  
Protease Activity ◽  
Oxygen Species

AbstractProgrammed cell death occurs in browning explants of Fraxinus mandshurica during somatic embryogenesis, but the underlying mechanism is unclear. In this study, single cotyledons of zygotic embryos of F. mandshurica were used as explants. Mitochondrial structure and function, caspase-3-like protease activity, hydrogen peroxide metabolism, and nitric oxide accumulation induced by high concentrations of sucrose and plant growth regulators were studied. The results show that plant growth regulators induced somatic embryogenesis and also promoted explant browning. High sucrose concentrations had similar effects. High concentrations of sucrose and plant growth regulators led to the accumulation of hydrogen peroxide and nitric oxide which induced changes in mitochondrial structure and function such as modifications in mitochondrial morphology, increased membrane permeability, decreased membrane potential, and the release of cytochrome c into the cytoplasm. An increase in caspase-3-like protease activity triggered programmed cell death in some browning explant cells. During somatic embryogenesis there were increased activities of superoxide dismutase, peroxidase, and catalase, which are associated with hydrogen peroxide metabolism and jointly maintain reactive oxygen species levels. Intracellular nitric oxide synthase and nitrate reductase activities were not significantly correlated with nitric oxide content. Instead, intracellular nitric oxide may be derived from non-enzymatic reactions. Our results indicate that hydrogen peroxide and nitric oxide may function as signals, playing key roles in somatic embryogenesis and programmed cell death of explant cells of F. mandshurica. The interaction between nitric oxide and reactive oxygen species determines the occurrence of programmed cell death in explant cells; somatic embryogenesis and programmed cell death are positively regulated by hydrogen peroxide. However, the regulation of nitric oxide is complex.

Hydrogen peroxide and nitric oxide are involved in programmed cell death induced by cryopreservation in Dendrobium protocorm-like bodies

2019 ◽  
Vol 137 (3) ◽  
pp. 553-563 ◽  
Author(s):  
Xue-ru Jiang ◽  
Rui-fen Ren ◽  
Wei Di ◽  
Meng-xue Jia ◽  
Ze-di Li ◽  
...  
Keyword(s):  
Nitric Oxide ◽  
Hydrogen Peroxide ◽  
Cell Death ◽  
Programmed Cell Death

scholarly journals Hydrogen peroxide, nitric oxide and cytosolic ascorbate peroxidase at the crossroad between defence and cell death

2006 ◽  
Vol 48 (5) ◽  
pp. 784-795 ◽  
Author(s):  
Maria Concetta de Pinto ◽  
Annalisa Paradiso ◽  
Paola Leonetti ◽  
Laura De Gara
Keyword(s):  
Nitric Oxide ◽  
Hydrogen Peroxide ◽  
Cell Death ◽  
Ascorbate Peroxidase ◽  
Cytosolic Ascorbate Peroxidase

scholarly journals Nitric Oxide and Protein S-Nitrosylation Are Integral to Hydrogen Peroxide-Induced Leaf Cell Death in Rice

2011 ◽  
Vol 158 (1) ◽  
pp. 451-464 ◽  
Author(s):  
Aihong Lin ◽  
Yiqin Wang ◽  
Jiuyou Tang ◽  
Peng Xue ◽  
Chunlai Li ◽  
...  
Keyword(s):  
Nitric Oxide ◽  
Hydrogen Peroxide ◽  
Cell Death ◽  
Protein S ◽  
Leaf Cell
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