Antioxidant and other biochemical defense responses of Macrotyloma uniflorum (Lam.) Verdc. (Horse gram) induced by high temperature and salt stress

Naji, Khalid Mohammed; Devaraj, V.

doi:10.1590/s1677-04202011000300002

Cited by 21 publications

(12 citation statements)

References 56 publications

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“…Hope' was higher than in 'CG3' at all temperatures (Figure 4). Similar to the findings of the current study, proline accumulation is more often observed in stress-tolerant plants than in sensitive ones (Chaitanya et al, 2001;Kumar et al, 2011;Naji and Devaraj, 2011). The proline content of cultivars, especially in 'R.…”

Section: Discussionsupporting

confidence: 90%

Effects of high temperature stress on enzymatic and nonenzymaticantioxidants and proteins in strawberry plants

Ergin¹,

Gülen²,

Kesici³

et al. 2016

Turk J Agric For

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The mechanism of tolerance to high temperatures was investigated in two strawberry (Fragaria × ananassa Duch) cultivars, 'Redlands Hope' ('R. Hope' , heat tolerant) and 'Cal. Giant 3' ('CG3' , heat sensitive). Leaves were collected from plants that were exposed to gradual heat stress and heat-shock stress separately. The contents of nonenzymatic antioxidants such as ascorbic acid (AsA) and glutathione (GSH) and the activities of enzymatic antioxidants such as ascorbate peroxidase (APX) (EC 1.11.1.11), catalase (CAT) (EC 1.11.1.6), and glutathione reductase (GR) (EC. 1.6.4.2) were measured followed by heat treatments. Additionally, proline content was determined, and heat shock proteins (HSPs) were analyzed with an immunoblotting method to investigate protein markers involved in the heat-stress tolerance of strawberry plants. The contents of AsA and GSH did not change depending on heat stress type, temperatures, or cultivars. While APX and CAT activities increased with high temperatures, GR activity was almost unchanged. The proline content of the cultivars increased in both treatments. Anti-HSP60 immunoblots revealed that a 23 kDa polypeptide was detected during the heat acclimation of strawberry cultivars. The intensity of the heat shock protein in 'R. Hope' plants was more than in 'CG3' plants. Thus, the accumulation of 23 kDa heat shock protein was correlated with the heat tolerance of the cultivars. In conclusion, strawberry leaf tissues of 'R. Hope' were found to enhance the structural stability of cellular membranes under high temperature by increasing both the activity of such enzymes as CAT and APX to activate the antioxidative systems and the expression of 23 kDa HSP.

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Section: Discussionsupporting

confidence: 90%

Effects of high temperature stress on enzymatic and nonenzymaticantioxidants and proteins in strawberry plants

Ergin¹,

Gülen²,

Kesici³

et al. 2016

Turk J Agric For

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“…(Hassanein et al, 2012). These results are similar to Naji and Devaraj (2011) who found that peroxidase isozyme activity in horse gram increase under heat and salt stresses. T15= T3+T9 T21= T1+T3+T9 T27= T1+T2+T9 T4 = T1+T3 T10= Proline amino acid T16= T3+T10 T22= T1+T3+T8 T28= T1+T2+T10 T5 = T1 +T2 T11= T1+T8 T17= T2+T8 T23= T3+T2+T9 T29= T2+T9+T8 T6= T2+T3 T12= T1+T9 T18= T2+T9 T24= T3+T2+T10 T30= 100 % NPK…”

Section: Characters Treatmentssupporting

confidence: 89%

Effect of some Stimulants on Productivity of Pea (Pisum sativum L.) under High Temperature Stress Conditions

El-Afifi

Shekari

Mansour

2019

Journal of Plant Production

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Two filed experiment were conducted at El-Baramoon Experimental Farm during 2016/2017 and 2017/2018 seasons to study effect of sowing dates and some growth stimulants on growth, yield and its component and seed quality of pea. The experiment was laid-out in a split-plot design with three replications. Sowing on 1st week of Sept. recorded the best results of plant height, number of leaves, fresh and dry weights of plant, N, P and K contents in leaves, pods number/plant, yield per plant and feddan than. Treated pea plants with NPK at 50 % of RR + humic acid + magnetic iron recorded highest values of plant height, number of leaves, total fresh and dry weights/plant, yield per plant fed in the both seasons and 100-seed weight in 2nd season. The N, P and K % in leaves were obtained with NPK at 50 % RR + humic acid + proline. Sowing on 1st week of Sept. and fertilizing with NPK at 50 % RR + humic acid + magnetic iron increased plant height, number of leaves, total fresh and dry weights/plant, yield per plant fed in both seasons and 100 seed weight in the 2nd season. While, sowing on 1st week of Feb. and spraying with proline amino increased proline content and oxides enzyme activity. Meanwhile, sowing on 1st week of Sept. and fertilizing with NPK at 50 % RR+ humic acid + proline gave the highest values of N, K and lowest values of proline content and oxides enzyme.

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“…This indicated that the production of ROS is a major factor related to heat injury in maize plants. High temperature-induced oxidative stress enhanced the production of MDA contents has already been reported in wheat and horse gram (Savicka and Š kute 2010;Naji and Devaraj 2011). When plants are exposed to abiotic stress, membrane integrity is greatly hampered (Bajji et al 2002).…”

Section: Discussionmentioning

confidence: 87%

Seasonal variations in some water relations and biochemical attributes of two genetically diverse maize cultivars

2014

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Greenhouse (GH) effect has emerged as a major factor in changing cropping patterns and limiting crop yields. This study was conducted to determine the comparative growth and photosynthetic responses of selected heat-resistant (cv. Sadaf) and heat-susceptible (cv. Agatti-2002) cultivars of maize to simulate GH conditions during spring and autumn at seedling, silking, and grain filling stages in 2007. Fifteen day old plants were shifted to plexiglass-fitted canopies to create GH conditions and data were recorded at each growth stage. The results revealed that seasons, GH conditions, and cultivars had large effects on water relations and biochemical attributes. Simulated GH conditions increased the canopy temperature 4-7°C in spring and 3-5°C in autumn, but increased relative humidity by 2-3 % in spring and 5-9 % in autumn. Changes in temperature conditions inside the canopy and seasons greatly affected the leaf water, osmotic, and turgor potentials in both cultivars. Temperature variations in both seasons enhanced the production of reactive oxygen species which was evident by increased synthesis of hydrogen peroxide (H 2 O 2 ), malondialdehyde contents, and increased permeability to ion leakage in both cultivars. Greater free proline accumulation in the tolerant cultivar was marked as a reliable indicator of tolerance to high temperature stress in maize. In addition, Sadaf cultivar was found to be more tolerant than cv. Agatti-2002 in terms of having lower levels of H 2 O 2 , MDA contents, and relative membrane permeability.

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Antioxidant and other biochemical defense responses of Macrotyloma uniflorum (Lam.) Verdc. (Horse gram) induced by high temperature and salt stress

Cited by 21 publications

References 56 publications

Effects of high temperature stress on enzymatic and nonenzymaticantioxidants and proteins in strawberry plants

Effects of high temperature stress on enzymatic and nonenzymaticantioxidants and proteins in strawberry plants

Effect of some Stimulants on Productivity of Pea (Pisum sativum L.) under High Temperature Stress Conditions

Seasonal variations in some water relations and biochemical attributes of two genetically diverse maize cultivars

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