Carbon monoxide enhances salt tolerance by nitric oxide‐mediated maintenance of ion homeostasis and up‐regulation of antioxidant defence in wheat seedling roots

Xie, Yanjie; Ling, Tengfang; Han, Yi; Liu, Kaili; Zheng, Qi; Huang, Liqin; Yuan, Xuesong; He, Ziyi; Hu, Bing; Fang, Lei; Shen, Zhenguo; Yang, Qing; Shen, Wenbiao

doi:10.1111/j.1365-3040.2008.01888.x

Cited by 154 publications

(116 citation statements)

References 77 publications

(135 reference statements)

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“…Sodium hydrosulfide (NaHS) and sodium nitroprusside (SNP), purchased from Sigma (St Louis, MO, USA), were used as the H 2 S or HS -and NO donor, respectively (Zhao et al 2001;Xie et al 2008;Wang et al 2010). 2-(4-carboxyphenyl)-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide potassium salt (cPTIO) was used as the specific NO scavenger (Xie et al 2008;Besson-Bard et al 2009).…”

Section: Chemicalsmentioning

confidence: 99%

Roles of hydrogen sulfide and nitric oxide in the alleviation of cadmium-induced oxidative damage in alfalfa seedling roots

2012

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Despite hydrogen sulfide (H(2)S) and nitric oxide (NO) are important endogenous signals or bioregulators involved in many vital aspects of plant growth and responses against abiotic stresses, little information was known about their interaction. In the present study, we evaluated the effects of H(2)S and NO on alfalfa (Medicago sativa L.) plants exposed to cadmium (Cd) stress. Pretreatment with an H(2)S donor sodium hydrosulfide (NaHS) and well-known NO donor sodium nitroprusside (SNP) decreased the Cd toxicity. This conclusion was supported by the decreases of lipid peroxidation as well as the amelioration of seedling growth inhibition and Cd accumulation, in comparison with the Cd-stressed alone plants. Total activities and corresponding transcripts of antioxidant enzymes, including superoxide dismutase, peroxidase and ascorbate peroxidase were modulated differentially, thus leading to the alleviation of oxidative damage. Effects of H(2)S above were reversed by 2-(4-carboxyphenyl)-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide potassium salt (cPTIO), the specific scavenger of NO. By using laser confocal scanning microscope combined with Greiss reagent method, further results showed that NO production increased significantly after the NaHS pretreatment regardless of whether Cd was applied or not, all of which were obviously inhibited by cPTIO. These decreases of NO production were consistent with the exaggerated syndromes associated with Cd toxicity. Together, above results suggested that NO was involved in the NaHS-induced alleviation of Cd toxicity in alfalfa seedlings, and also indicated that there exists a cross-talk between H(2)S and NO responsible for the increased abiotic stress tolerance.

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Section: Chemicalsmentioning

confidence: 99%

Roles of hydrogen sulfide and nitric oxide in the alleviation of cadmium-induced oxidative damage in alfalfa seedling roots

2012

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“…Recent studies in plants demonstrated that HO contributes to alleviating the effects of salt stress. These studies found that the activity of HO was induced due to oxidative stress under salinity conditions (Zilli et al, 2008(Zilli et al, , 2009Xie et al, 2008Xie et al, , 2011Wei et al, 2013). …”

Section: Introductionmentioning

confidence: 99%

Antioxidant activity of heme oxygenase 1 in Brassica juncea (L.) Czern.(Indian mustard) under salt stress

Verma¹,

Dixit²,

Shekhawat³

et al. 2015

Turk J Biol

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IntroductionAbiotic stress is a global agricultural issue that limits plant growth and yield. Amongst abiotic stresses, salt stress leads to significant crop losses worldwide (Greenway and Munns, 1980). Although natural salts are present in soil, their increased concentration affects plant growth adversely. Rao et al. (2008) reported that salinity affects about 932 million hectares of land globally. In plant cells under salt stress, Na + and Clions accumulate in cytoplasm and lower the external water potential, resulting in turgor loss (Binzel et al., 1988). It creates an imbalance of cellular ions that results in ion toxicity, or osmotic stress, followed by significant oxidative stress (Gosset et al., 1996;Goemez et al., 1999;Hasegawa et al., 2000). Together, these factors lead to decreased plant growth, development, and survival. Elevated amounts of reactive oxygen species (ROS) such as superoxide (O 2•ˉ) , hydrogen peroxide (H 2 O 2 ), and hydroxyl (OH • ) radicals can critically disturb cellular homeostasis and standard metabolism through oxidative damage to protein, lipids, and nucleic acid (Baxter et al., 2007).Plants elicit a molecular response to prevent oxidative damage due to ROS production and adjust to the oxidative stress (Baxter et al., 2007;Demirkaya, 2014;Yaycılı and Alikamanoğlu, 2012). They have developed a multifaceted antioxidant defense with enzymatic molecules, including ascorbate peroxidase (APX, EC 1.11.1.11), glutathione reductase (GR, E.C. 1.6.4.2), and peroxidase (POD, EC 1.11.1.7). All these molecules play an important role in scavenging ROS formed during oxidative damage (Erdal and Çakırlar, 2014;Petrić et al., 2014).Recently, the role of heme oxygenase (HO, EC 1.14.99.3) has been recognized among plant defenses as a catalyst for the oxidation of heme to biliverdin IXα (BV), CO, and

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“…In recent past, an increase in BV due to HO1 induction in soybean plants under cadmium and salt stress (Balestrasse et al, 2005(Balestrasse et al, , 2008Zilli et al, 2009) was thought to be an antioxidant response to oxidative stress. Earlier studies also indicated that HO substantially contributes to alleviate the effect of salt stress (Zilli et al, 2009;Xie et al, 2008 and.…”

Section: Introductionmentioning

confidence: 99%

Role of Heme Oxygenase1 in Alteration of Antioxidant Defense Responses of Brassica Juncea (L.) Czern. under Salt Stress Condition

Verma¹,

Alam²

2015

IJSRES

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Abstract. Economically important crops are frequently facing many stresses, such as salt stress. They have developed an antioxidant defense network for preventing and repairing oxidative damage caused by salt stress. In this study, Brassica juncea seedlings were subjected to salt stress (NaCl) for time course analysis (1 st -5 th day) of heme oxygenase1 (HO1) activity along with other antioxidant enzymes. Treatment of salt induced lipid peroxidation and H 2 O 2 content in root tissue as days of treatment increased. However, 1 st and 2 nd day of treatment did not modify these parameters, were similar to control values. HO1, Ascorbate peroxidase (APX), Peroxidase (POD) and Glutathione reductase (GR) activities were highest at 5 th day of treatment. Gene expression pattern of HO1 was similar as shown in biochemical analysis. These results showed that HO1 along with other antioxidant enzymes play an essential protective role against salt stress in B. juncea seedlings.

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Carbon monoxide enhances salt tolerance by nitric oxide‐mediated maintenance of ion homeostasis and up‐regulation of antioxidant defence in wheat seedling roots

Cited by 154 publications

References 77 publications

Roles of hydrogen sulfide and nitric oxide in the alleviation of cadmium-induced oxidative damage in alfalfa seedling roots

Roles of hydrogen sulfide and nitric oxide in the alleviation of cadmium-induced oxidative damage in alfalfa seedling roots

Antioxidant activity of heme oxygenase 1 in Brassica juncea (L.) Czern.(Indian mustard) under salt stress

Role of Heme Oxygenase1 in Alteration of Antioxidant Defense Responses of Brassica Juncea (L.) Czern. under Salt Stress Condition

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