Changes in peroxidase activity and isoenzymes in spruce needles after exposure to different concentrations of cadmium

Radotić, Ksenija; Dučić, Tanja; Mutavdžić, Dragosav

doi:10.1016/s0098-8472(00)00059-9

Cited by 171 publications

(84 citation statements)

References 23 publications

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“…2), responsible for scavenging of reactive oxygen species (ROS) ( Table 4) . They play a defensive role against oxidative stress and indicators of metal uptake (Radotic et al, 2000). Similar results are observed in palak (Beta vulgaris var All Green) irrigated with different concentrations of sewage water (Singh and Agrawal, 2007).…”

Section: Discussionsupporting

confidence: 61%

Antioxidant Activity and Secondary Metabolites in Selected Vegetables Irrigated With Sewage Water

Zafar¹

2016

Appl Ecol Env Res

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+92-0334-6518990, e-mail: anwer_sumera@yahoo.com; Dr.Naeem Iqbal: +92-0300-7979767, email: drnaeem@gcuf.edu.pk; Dr.Abida Kausar: +92-0322-6393121, e-mail: kausaragc@yahoo.com; Mohsan Ali: +92-0306-7200721, e-mail: mohsinrashid242@gmail.com; Ali Nouman: +92-0300-6694992, e-mail: alinoman@gcuf.edu.pk; Muhammad Amir Zafar: +92 -0335-1867207, e-mail: amir.zafar55@yahoo.com; Komal Feroz:e-mail: komalferoz@ymail.com) Abstract. The study was conducted to investigate the impact of various concentration of domestic waste water on growth, physiological, and biochemical characteristics of tomato, okra and pumpkin. Sewage water was applied of 50% and 100% on vegetables grown under field conditions. Irrigation with tubewell water was considered as control. At maturity data for growth attributes was recorded. Maximum fresh weight of root, shoot and fruit was in tomato at 50% sewage water treatment followed by control. Dry weight also exhibited a considerable increase at 50% sewage water application. However, a decline in chlorophyll a, b and carotenoid contents was observed at 100% sewage water. Antioxidants and secondary metabolites increased and their maximum values were recorded at 100% sewage treatment in all the three vegetables.

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Section: Discussionsupporting

confidence: 61%

Antioxidant Activity and Secondary Metabolites in Selected Vegetables Irrigated With Sewage Water

Zafar¹

2016

Appl Ecol Env Res

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“…GPX can function as effective quencher of reactive intermediary forms of O 2 and peroxy radicals under stressed conditions [195]. Various stressful conditions of the environment have been shown to induce the activity of GPX [6,8,10,16,166,189,196]. Radotic and coworkers [196] correlated increased activity of GPX to oxidative reactions under metal toxicity conditions and suggested its potential as biomarker for sublethal metal toxicity in plants.…”

Section: Guaiacol Peroxidasementioning

confidence: 99%

Reactive Oxygen Species, Oxidative Damage, and Antioxidative Defense Mechanism in Plants under Stressful Conditions

et al. 2012

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Reactive oxygen species (ROS) are produced as a normal product of plant cellular metabolism. Various environmental stresses lead to excessive production of ROS causing progressive oxidative damage and ultimately cell death. Despite their destructive activity, they are well-described second messengers in a variety of cellular processes, including conferment of tolerance to various environmental stresses. Whether ROS would serve as signaling molecules or could cause oxidative damage to the tissues depends on the delicate equilibrium between ROS production, and their scavenging. Efficient scavenging of ROS produced during various environmental stresses requires the action of several nonenzymatic as well as enzymatic antioxidants present in the tissues. In this paper, we describe the generation, sites of production and role of ROS as messenger molecules as well as inducers of oxidative damage. Further, the antioxidative defense mechanisms operating in the cells for scavenging of ROS overproduced under various stressful conditions of the environment have been discussed in detail.

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“…Heavy metals cause oxidative damage to plants either directly or indirectly through the formation of ROS, which cause further severe oxidative damage to different cell organelles and biomolecules (Radotic et al, 2000). One of the basic mechanisms underlying Cd toxicity to plants is increased production of ROS (Romero-Puertas et al, 2004).…”

Section: +mentioning

confidence: 99%

Effects of Cadmium Stress on Root Tip Cells and Some Physiological Indexes in Allium Cepa Var. Agrogarum L.

Yue¹,

Jiang²,

Liu³

2012

Acta Biologica Cracoviensia Series Botanica

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Changes in peroxidase activity and isoenzymes in spruce needles after exposure to different concentrations of cadmium

Cited by 171 publications

References 23 publications

Antioxidant Activity and Secondary Metabolites in Selected Vegetables Irrigated With Sewage Water

Antioxidant Activity and Secondary Metabolites in Selected Vegetables Irrigated With Sewage Water

Reactive Oxygen Species, Oxidative Damage, and Antioxidative Defense Mechanism in Plants under Stressful Conditions

Effects of Cadmium Stress on Root Tip Cells and Some Physiological Indexes in Allium Cepa Var. Agrogarum L.

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