5-Aminolevulinic acid alleviates the salinity-induced changes in Brassica napus as revealed by the ultrastructural study of chloroplast

Naeem, Muhammad; Warusawitharana, Hasitha Kalhari; Liu, Hongbo; Liú, Dan; Ahmad, Rashid; Waraich, Ejaz Ahmad; Xu, Ling; Zhou, Weijun

doi:10.1016/j.plaphy.2012.05.018

Cited by 124 publications

(68 citation statements)

References 28 publications

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“…In recent years, 5-aminolevulinic acid (ALA), a key precursor in the biosynthesis of all porphyrin compounds, including vitamin B12, chlorophyll, heme, and phytochrome, is considered to be a new PGR. ALA is reported to have the ability to promote plant growth and enhance stress tolerance, such as chilling (Korkmaz et al, 2010), drought (Liu et al, 2013), and salinity (Youssef and Awad, 2008;Naeem et al, 2012). Watanabe et al (2000) evaluated12 different PGRs and found ALA to be the most effective in improving the salt tolerance of cotton.…”

Section: Introductionmentioning

confidence: 99%

Effects of exogenous 5-aminolevulinic acid on photosynthesis, stomatal conductance, transpiration rate, and PIP gene expression of tomato seedlings subject to salinity stress

Zhao

Yan

et al. 2015

Genet. Mol. Res.

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ABSTRACT. The effects of exogenous 5-aminolevulinic acid (ALA) on photosynthesis, plant growth, and the expression of two aquaporin genes in tomato seedlings under control and salinity conditions were investigated. Exogenous ALA application significantly improved net photosynthetic rate (P n ), total chlorophyll content, and plant biomass accumulation of tomato seedlings under salinity stress. As revealed by real-time PCR analyses, after treatment with ALA alone, expression of both LePIP1 and LePIP2 in the two tomato cultivars was upregulated at 2 h and subsequently decreased to normal levels. Under salinity stress, transcript levels of LePIP1 in both leaves and roots of salt-sensitive cultivars (cv. Zhongza No.9) increased significantly and were considerably higher than in cultivars exposed to ALA alone. In contrast, the expression levels of LePIP1 and LePIP2 in cvs. Jinpeng No.1 cultivars were slightly lower under salinity stress than under ALA treatment. In addition, transcript levels of both LePIP1 and LePIP2 in the roots of Jinpeng No. 1 cultivars were considerably lower than those Y.Y. Zhao et al. 6402©FUNPEC-RP www.funpecrp.com.br Genetics and Molecular Research 14 (2): 6401-6412 (2015) in the roots of Zhongza No. 9 cultivars under salinity stress, regardless of ALA supplementation, implying that Jinpeng No. 1 cultivars had a better capacity to maintain membrane intrinsic protein stability. Further, ALA application distinctly counteracted the up-or down-regulation of LePIP1 and LePIP2 in both cultivars under salinity stress, in accordance with the improvements instomatal conductance, transpiration rate, and P n of tomato leaves. The results presented here indicate that ALA controls aquaporin expression, thus, presumably ALA regulates water homeostasis and enhances salt tolerance of tomato seedlings.

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Section: Introductionmentioning

confidence: 99%

Effects of exogenous 5-aminolevulinic acid on photosynthesis, stomatal conductance, transpiration rate, and PIP gene expression of tomato seedlings subject to salinity stress

Zhao

Yan

et al. 2015

Genet. Mol. Res.

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“…Previous studies showed that ALA is the most effective of the 12 PGRs used to improve salt tolerance of cotton seedlings (Watanabe et al, 2000b). Application of low concentration of exogenous ALA is known to promote plant growth development and response to environment stresses (Naeem et al, 2012), for example, enhancing salt tolerance in potato (Zhang et al, 2006) and chilling tolerance in pepper seedlings (Korkmaz et al, 2010). Foliar application of ALA can also improve leaf water relations in oilseed rape (Naeem et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

Effects of exogenous 5-aminolevulinic acid on PIP1 and NIP aquaporin gene expression in seedlings of cucumber cultivars subjected to salinity stress

Yan¹,

Qu²,

Zhao³

et al. 2014

Genet. Mol. Res.

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“…Cd at different levels decreases the concentration of elements in plants (Larbi et al, 2002;Ramos et al, 2002 (Naeem et al, 2012). Results showed that these ratios were increased as Cd level increased in the solution; however, at the same time, application of ALA minimized these ratios under Cdtoxicity (Table 1).…”

Section: Discussionmentioning

confidence: 94%

“…It may be due to the fact that ALA has a promotive role in regulating a number of metabolic processes, thereby, improving nutrient uptake under abiotic stress (Zhang et al, 2008). Previously, it was found that ALA increased the uptake of different elements in the leaves of B. napus under salinity stress (Naeem et al, 2010(Naeem et al, , 2012. Previously, Ahmad et al (2011) applied the salicylic acid under Cd stress and noted that salicylic acid can improve the nutrient uptake in mustard plants.…”

Section: Discussionmentioning

confidence: 99%

“…ALA is an important PGR and it is a precursor for biosynthesis of chlorophyll (Von Wettstein et al, 1995). ALA exerts positive effects on the plants and increases the chlorophyll content and antioxidants under saline conditions (Watanabe et al, 2000;Naeem et al, 2012). Recently, it was found that ALA improved the concentration of different nutrients in B. napus under salinity stress conditions (Naeem et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

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Alleviation of Cadmium Toxicity by 5-Aminolevulinic Acid is related to Improved Nutrients Uptake and Lowered Oxidative Stress in Brassica napus

Xu¹,

Ali²,

Gill³

et al. 2016

IJAB

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The oilseed rape production (Brassica napus L.) has been shown to decrease under heavy-metal stress. This study tested the hypothesis that 5-aminolevulinic acid (ALA) has ameliorating role under cadmium (Cd)-toxicity in B. napus. In the present study, three levels (0, 100 and 500 μM) of Cd and three levels (0, 12.5 and 25 mg/L) of foliar ALA were applied hydroponically in greenhouse. Results demonstrated that ALA significantly enhanced the leaf chlorophyll contents under Cd stress as compared to control. Exogenously applied ALA enhanced the concentration of macro-and micronutrients in the leaves and roots of B. napus under Cd stress. Further, foliar application of ALA significantly decreased malondialdehyde and reactive oxygen species in the leaves of B. napus under Cd stress. Moreover, the present study revealed that leaves treated with ALA at different concentrations increased the concentration of glutathione reduced (GSH), glutathione oxidized (GSSG), total glutathione and soluble protein contents as well as decreased the GSH/GSSG ratio under Cd-toxicity. The present study stated that ALA improved the concentration of nutrients and decreased oxidative stress due to its ameliorative capability under Cd stress conditions in B. napus.

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5-Aminolevulinic acid alleviates the salinity-induced changes in Brassica napus as revealed by the ultrastructural study of chloroplast

Cited by 124 publications

References 28 publications

Effects of exogenous 5-aminolevulinic acid on photosynthesis, stomatal conductance, transpiration rate, and PIP gene expression of tomato seedlings subject to salinity stress

Effects of exogenous 5-aminolevulinic acid on photosynthesis, stomatal conductance, transpiration rate, and PIP gene expression of tomato seedlings subject to salinity stress

Effects of exogenous 5-aminolevulinic acid on PIP1 and NIP aquaporin gene expression in seedlings of cucumber cultivars subjected to salinity stress

Alleviation of Cadmium Toxicity by 5-Aminolevulinic Acid is related to Improved Nutrients Uptake and Lowered Oxidative Stress in Brassica napus

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