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20240914232704.0 |
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240807s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2024.109002
|2 doi
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|a pubmed24n1533.xml
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|a (DE-627)NLM37594169X
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|a (NLM)39106767
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|a (PII)S0981-9428(24)00670-3
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Hussan, Maqsood Ul
|e verfasserin
|4 aut
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| 245 |
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|a Comparative role of calcium oxide nanoparticles and calcium bulk fertilizer to alleviate cadmium toxicity by modulating oxidative stress, photosynthetic performance and antioxidant-defense genes expression in alfalfa
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 14.09.2024
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|a Date Revised 14.09.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2024. Published by Elsevier Masson SAS.
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|a Cadmium (Cd) toxicity poses a significant threat to soil health and sustainable food production. Its bioaccumulation in plant tissues induces phytotoxicity by affecting physiological and biochemical attributes, leading to a reduction in plant biomass and production. Recently, nanotechnology has emerged as a promising approach for addressing heavy metal toxicity in an eco-friendly manner to enhance crop production. However, the comparative role of foliar applied calcium oxide nanoparticles (CaO-NPs) and bulk calcium fertilizer under Cd stress in alfalfa remains unexplored. Herein, we studied the ameliorative role of CaO-NPs and bulk calcium (50 and 100 mg L-1) to alleviate Cd stress (30 mg kg-1) in alfalfa seedlings. Plants exposed to Cd exhibited significant decreases in morpho-physiological traits, gas exchange attributes, and pigment contents as well as increase in Cd bioaccumulation in plant tissues. Notably, exogenous application of CaO-NPs ameliorates the toxic impact of Cd by enhancing plant biomass (45%), fluorescence efficiency and gaseous exchange attributes. The maximum dose of CaO-NPs induced Cd-tolerance response accompanied by a significant increase in antioxidative enzyme activities, such as superoxide dismutase (SOD; 29%), peroxidase (POD; 41%), catalase (CAT; 36%) and ascorbate peroxidase (APX; 49%), which play positive roles in ROS scavenging. TEM examination further revealed the protective role of these NPs in averting Cd-induced damage to leaf ultrastructure and mesophyll cells. Furthermore, CaO-NPs had a substantial influence on both Cd and Ca2+ accumulation in plant tissues, while qRT‒PCR analysis demonstrated higher expression of antioxidant defense genes viz. Cu/ZnSOD (0.38 fold change (FC)), MtPOD (0.51 FC), MtCAT (0.61 FC) and MtAPX (0.79 FC) under CaO-NPs application, over Cd control. Overall, our findings suggested that exogenous CaO-NPs could be effective in alleviating the adverse effects of Cd on alfalfa seedlings to ensure food safety and support sustainable agriculture
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|a Journal Article
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|a Comparative Study
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|a Cd phytotoxicity
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|a Fluorescence efficiency
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|a Mesophyll ultrastructure
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|a Oxidative defense
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|a Photochemical quenching
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|a Remediation
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|a Cadmium
|2 NLM
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| 650 |
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|a 00BH33GNGH
|2 NLM
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| 650 |
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|a Calcium Compounds
|2 NLM
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|a Fertilizers
|2 NLM
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|a Oxides
|2 NLM
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|a Antioxidants
|2 NLM
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|a lime
|2 NLM
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|a C7X2M0VVNH
|2 NLM
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| 650 |
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|a Calcium
|2 NLM
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| 650 |
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|a SY7Q814VUP
|2 NLM
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| 700 |
1 |
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|a Hussain, Sadam
|e verfasserin
|4 aut
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1 |
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|a Hafeez, Muhammad Bilal
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ahmed, Siraj
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hassan, Mahmood Ul
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jabeen, Shaista
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yan, Mingke
|e verfasserin
|4 aut
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| 700 |
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|a Wang, Quanzhen
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 215(2024) vom: 11. Sept., Seite 109002
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
1 |
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|g volume:215
|g year:2024
|g day:11
|g month:09
|g pages:109002
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|u http://dx.doi.org/10.1016/j.plaphy.2024.109002
|3 Volltext
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|a AR
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|d 215
|j 2024
|b 11
|c 09
|h 109002
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