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1.
Planta ; 257(1): 17, 2022 Dec 19.
Article in English | MEDLINE | ID: mdl-36534189

ABSTRACT

MAIN CONCLUSION: Hypergravity is an effective novel stimulus to elucidate plant gravitational and mechanobiological behaviour. Here, we review the current understanding of phenotypic, physio-biochemical, and molecular plant responses to simulated hypergravity. Plants readily respond to altered gravity conditions, such as microgravity or hypergravity. Hypergravity-a gravitational force higher than that on the Earth's surface (> 1g)-can be simulated using centrifuges. Exposing seeds, seedlings, or plant cell cultures to hypergravity elicits characteristic morphological, physio-biochemical, and molecular changes. While several studies have provided insights into plant responses and underlying mechanisms, much is still elusive, including the interplay of hypergravity with gravitropism. Moreover, hypergravity is of great significance for mechano- and space/gravitational biologists to elucidate fundamental plant behaviour. In this review, we provide an overview of the phenotypic, physiological, biochemical, and molecular responses of plants to hypergravity. We then discuss the involvement of hypergravity in plant gravitropism-the directional growth along the gravity vector. Finally, we highlight future research directions to expand our understanding of hypergravity in plant biology.


Subject(s)
Hypergravity , Weightlessness , Plants , Gravitropism , Seedlings
2.
Genomics ; 114(2): 110307, 2022 03.
Article in English | MEDLINE | ID: mdl-35143884

ABSTRACT

Hypergravity is a condition where the force of gravity exceeds that on the surface of the Earth and can be simulated by centrifugation. Previously, a significant increase in root growth phenotype was observed when wheat seeds were exposed to hypergravity (10 g for 12 h). In the present study, we investigated the molecular basis of this change through root transcriptome. The data revealed a total of 3765 up-regulated and 2102 down-regulated transcripts in response to hypergravity. GO enrichment analysis revealed hormonal responses, cell division, and cell-wall-related terms were significantly enriched in hypergravity. The increased isoform level expression of transcripts involved in auxin biosynthesis, transport, and signaling was observed. Further, enhanced expression of cell division transcripts and down-regulation of cell number regulator genes suggests rapid cell division. Overexpression of cellulose and hemicellulose biosynthesis transcripts suggests demand for cell-wall constituents. Collectively, this study identified candidate genes associated with hypergravity-induced enhanced root growth.


Subject(s)
Hypergravity , Triticum , Bread , Cell Wall/genetics , Cell Wall/metabolism , Gene Expression Regulation, Plant , Phenotype , Triticum/metabolism
3.
Sci Rep ; 11(1): 15303, 2021 07 27.
Article in English | MEDLINE | ID: mdl-34315977

ABSTRACT

Hypergravity-an evolutionarily novel environment has been exploited to comprehend the response of living organisms including plants in the context of extra-terrestrial applications. Recently, researchers have shown that hypergravity induces desired phenotypic variability in seedlings. In the present study, we tested the utility of hypergravity as a novel tool in inducing reliable phenotype/s for potential terrestrial crop improvement applications. To investigate, bread wheat seeds (UAS-375 genotype) were subjected to hypergravity treatment (10×g for 12, and 24 h), and evaluated for seedling vigor and plant growth parameters in both laboratory and greenhouse conditions. It was also attempted to elucidate the associated biochemical and hormonal changes at different stages of vegetative growth. Resultant data revealed that hypergravity treatment (10×g for 12 h) significantly enhanced root length, root volume, and root biomass in response to hypergravity. The robust seedling growth phenotype may be attributed to increased alpha-amylase and TDH enzyme activities observed in seeds treated with hypergravity. Elevated total chlorophyll content and Rubisco (55 kDa) protein expression across different stages of vegetative growth in response to hypergravity may impart physiological benefits to wheat growth. Further, hypergravity elicited robust endogenous phytohormones dynamics in root signifying altered phenotype/s. Collectively, this study for the first time describes the utility of hypergravity as a novel tool in inducing reliable root phenotype that could be potentially exploited for improving wheat varieties for better water usage management.


Subject(s)
Crops, Agricultural/physiology , Hypergravity , Plant Roots/physiology , Triticum/physiology , Agricultural Irrigation , Crops, Agricultural/growth & development , Crops, Agricultural/metabolism , Plant Roots/growth & development , Triticum/enzymology , Triticum/growth & development , Triticum/metabolism , Water/chemistry
4.
Life Sci Space Res (Amst) ; 28: 74-86, 2021 Feb.
Article in English | MEDLINE | ID: mdl-33612182

ABSTRACT

Plant biology experiments in real and simulated microgravity have significantly contributed to our understanding of physiology and behavior of plants. How do plants perceive microgravity? How that perception translates into stimulus? And in turn plant's response and adaptation to microgravity through physiological, cellular, and molecular changes have been reasonably well documented in the literature. Knowledge gained through these plant biology experiments in microgravity helped to successfully cultivate crops in space. For instance, salad crop such as red romaine lettuce grown on the International Space Station (ISS) is allowed to incorporate into the crew's supplementary diet. However, the use of plants as a sustainable bio-regenerative life support system (BLSS) to produce fresh food and O2, reduce CO2 level, recycle metabolic waste, and efficient water management for long-duration space exploration missions requires critical gap filling research. Hence, it is inevitable to reflect and review plant biology microgravity research findings time and again with a new set of data available in the literature. With that in focus, the current article discusses phenotypic, physiological, biochemical, cell cycle, cell wall changes and molecular responses of plants to microgravity both in real and simulated conditions with the latest literature.


Subject(s)
Plant Physiological Phenomena , Weightlessness Simulation , Weightlessness , Cell Wall , Plant Development , Plants/metabolism , Space Flight
5.
NPJ Microgravity ; 6: 4, 2020.
Article in English | MEDLINE | ID: mdl-32047838

ABSTRACT

While it has been shown that astronauts suffer immune disorders after spaceflight, the underlying causes are still poorly understood and there are many variables to consider when investigating the immune system in a complex environment. Additionally, there is growing evidence that suggests that not only is the immune system being altered, but the pathogens that infect the host are significantly influenced by spaceflight and ground-based spaceflight conditions. In this study, we demonstrate that Serratia marcescens (strain Db11) was significantly more lethal to Drosophila melanogaster after growth on the International Space Station than ground-based controls, but the increased virulence phenotype of S. marcescens did not persist after the bacterial cultures were passaged on the ground. Increased virulence was also observed in bacteria that were grown in simulated microgravity conditions on the ground using the rotating wall vessel. Increased virulence of the space-flown bacteria was similar in magnitude between wild-type flies and those that were mutants for the well-characterized immune pathways Imd and Toll, suggesting that changes to the host immune system after infection are likely not a major factor contributing towards increased susceptibility of ground-reared flies infected with space-flown bacteria. Characterization of the bacteria shows that at later timepoints spaceflight bacteria grew at a greater rate than ground controls in vitro, and in the host. These results suggest complex physiological changes occurring in pathogenic bacteria in space environments, and there may be novel mechanisms mediating these physiological effects that need to be characterized.

6.
Cent Nerv Syst Agents Med Chem ; 19(1): 57-66, 2019.
Article in English | MEDLINE | ID: mdl-30644349

ABSTRACT

BACKGROUND: Parkinson's Disease (PD) is characterized by alterations in cerebellum and basal ganglia functioning with corresponding motor deficits and neuropsychiatric symptoms. Involvement of oxidative dysfunction has been implicated for the progression of PD, and environmental neurotoxin exposure could influence such behavior and psychiatric pathology. Assessing dietary supplementation strategies with naturally occurring phytochemicals to reduce behavioral anomalies associated with neurotoxin exposure would have major clinical importance. The present investigation assessed the influence of Bacopa monneri (BM) on behaviors considered to reflect anxiety-like state and motor function as well as selected biochemical changes in brain regions of mice chronically exposed to ecologically relevant herbicide, paraquat (PQ). MATERIALS & METHODS: Male mice (4-week old, Swiss) were daily provided with oral supplements of standardized BM extract (200 mg/kg body weight/day; 3 weeks) and PQ (10 mg/kg, i.p. three times a week; 3 weeks). RESULTS: We found that BM supplementation significantly reversed the PQ-induced reduction of exploratory behavior, gait abnormalities (stride length and mismatch of paw placement) and motor impairment (rotarod performance). In a separate study, BM administration prevented the reduction in dopamine levels and reversed cholinergic activity in brain regions important for motor (striatum) pathology. Further, in mitochondria, PQ-induced decrease in succinate dehydrogenase (SDH) activity and energy charge (MTT reduction), was restored with BM supplementation. CONCLUSION: These findings suggest that BM supplementation mitigates paraquat-induced behavioral deficits and brain oxidative stress in mice. However, further investigations would enable us to identify specific molecular mechanism by which BM influences behavioural pathology.


Subject(s)
Bacopa , Brain/drug effects , Dietary Supplements , Oxidative Stress/drug effects , Paraquat/toxicity , Parkinsonian Disorders/drug therapy , Phenotype , Animals , Brain/metabolism , Exploratory Behavior/drug effects , Exploratory Behavior/physiology , Male , Mice , Oxidative Stress/physiology , Parkinsonian Disorders/chemically induced , Parkinsonian Disorders/metabolism
7.
J Proteome Res ; 15(12): 4165-4175, 2016 12 02.
Article in English | MEDLINE | ID: mdl-27648494

ABSTRACT

Altered gravity conditions, such as experienced by organisms during spaceflight, are known to cause transcriptomic and proteomic changes. We describe the proteomic changes in whole adult Drosophila melanogaster (fruit fly) but focus specifically on the localized changes in the adult head in response to chronic hypergravity (3 g) treatment. Canton S adult female flies (2 to 3 days old) were exposed to chronic hypergravity for 9 days and compared with 1 g controls. After hypergravity treatment, either whole flies (body + head) or fly-head-only samples were isolated and evaluated for quantitative comparison of the two gravity conditions using an isobaric tagging liquid chromatography-tandem mass spectrometry approach. A total of 1948 proteins from whole flies and 1480 proteins from fly heads were differentially present in hypergravity-treated flies. Gene Ontology analysis of head-specific proteomics revealed host immune response, and humoral stress proteins were significantly upregulated. Proteins related to calcium regulation, ion transport, and ATPase were decreased. Increased expression of cuticular proteins may suggest an alteration in chitin metabolism and in chitin-based cuticle development. We therefore present a comprehensive quantitative survey of proteomic changes in response to chronic hypergravity in Drosophila, which will help elucidate the underlying molecular mechanism(s) associated with altered gravity environments.


Subject(s)
Hypergravity , Proteomics , Adenosine Triphosphatases/genetics , Animals , Calcium/metabolism , Chitin/metabolism , Drosophila , Female , Gene Expression Regulation/immunology , Head , Immunity/genetics , Ion Transport/genetics , Transcriptome/immunology
8.
Genomics ; 108(3-4): 158-167, 2016 10.
Article in English | MEDLINE | ID: mdl-27621057

ABSTRACT

Altered gravity can perturb normal development and induce corresponding changes in gene expression. Understanding this relationship between the physical environment and a biological response is important for NASA's space travel goals. We use RNA-Seq and qRT-PCR techniques to profile changes in early Drosophila melanogaster pupae exposed to chronic hypergravity (3g, or three times Earth's gravity). During the pupal stage, D. melanogaster rely upon gravitational cues for proper development. Assessing gene expression changes in the pupae under altered gravity conditions helps highlight gravity-dependent genetic pathways. A robust transcriptional response was observed in hypergravity-treated pupae compared to controls, with 1513 genes showing a significant (q<0.05) difference in gene expression. Five major biological processes were affected: ion transport, redox homeostasis, immune response, proteolysis, and cuticle development. This outlines the underlying molecular and biological changes occurring in Drosophila pupae in response to hypergravity; gravity is important for many biological processes on Earth.


Subject(s)
Drosophila Proteins/genetics , Drosophila melanogaster/genetics , Gene Expression Regulation, Developmental , Hypergravity , Transcriptome , Animals , Drosophila Proteins/metabolism , Drosophila melanogaster/embryology , Pupa/genetics
9.
Nutr Neurosci ; 19(10): 434-446, 2016 Dec.
Article in English | MEDLINE | ID: mdl-25153704

ABSTRACT

OBJECTIVES: Bacopa monnieri (BM), an ayurvedic medicinal plant, has attracted considerable interest owing to its diverse neuropharmacological properties. Epidemiological studies have shown significant correlation between paraquat (PQ) exposure and increased risk for Parkinson's disease in humans. In this study, we examined the propensity of standardized extract of BM to attenuate acute PQ-induced oxidative stress, mitochondrial dysfunctions, and neurotoxicity in the different brain regions of prepubertal mice. METHODS: To test this hypothesis, prepubertal mice provided orally with standardized BM extract (200 mg/kg body weight/day for 4 weeks) were challenged with an acute dose (15 mg/kg body weight, intraperitoneally) of PQ after 3 hours of last dose of extract. Mice were sacrificed after 48 hours of PQ injection, and different brain regions were isolated and subjected to biochemical determinations/quantification of central monoamine (dopamine, DA) levels (by high-performance liquid chromatography). RESULTS: Oral supplementation of BM for 4 weeks resulted in significant reduction in the basal levels of oxidative markers such as reactive oxygen species (ROS), malondialdehyde (MDA), and hydroperoxides (HP) in various brain regions. PQ at the administered dose elicited marked oxidative stress within 48 hours in various brain regions of mice. However, BM prophylaxis significantly improved oxidative homeostasis by restoring PQ-induced ROS, MDA, and HP levels and also by attenuating mitochondrial dysfunction. Interestingly, BM supplementation restored the activities of cholinergic enzymes along with the restoration of striatal DA levels among the PQ-treated mice. DISCUSSION: Based on these findings, we infer that BM prophylaxis renders the brain resistant to PQ-mediated oxidative perturbations and thus may be better exploited as a preventive approach to protect against oxidative-mediated neuronal dysfunctions.


Subject(s)
Bacopa/chemistry , Dietary Supplements , Herbicides/antagonists & inhibitors , Neurotoxicity Syndromes/prevention & control , Oxidative Stress/drug effects , Paraquat/antagonists & inhibitors , Plant Extracts/therapeutic use , Animals , Antioxidants/standards , Antioxidants/therapeutic use , Biomarkers/metabolism , Brain/drug effects , Brain/metabolism , Dietary Supplements/standards , Dopamine/metabolism , Ethnopharmacology , Herbicides/administration & dosage , Herbicides/toxicity , Injections, Intraperitoneal , Lipid Peroxidation/drug effects , Male , Medicine, Ayurvedic , Mice , Mitochondria/drug effects , Mitochondria/metabolism , Neurons/drug effects , Neurons/metabolism , Neuroprotective Agents/standards , Neuroprotective Agents/therapeutic use , Neurotoxicity Syndromes/metabolism , Paraquat/administration & dosage , Paraquat/toxicity , Plant Extracts/standards , Random Allocation
10.
Arch Insect Biochem Physiol ; 83(1): 25-40, 2013 May.
Article in English | MEDLINE | ID: mdl-23564607

ABSTRACT

Paraquat (PQ; 1, 1'-dimethyl-4-4'-bipyridinium), an herbicide and model neurotoxicant, is identified to be one of the prime risk factors in Parkinson's disease (PD). In the Drosophila system, PQ is commonly used to measure acquired resistance against oxidative stress (PQ resistance test). Despite this, under acute PQ exposure, data on the oxidative stress response and associated impact on mitochondria among flies is limited. Accordingly, in this study, we measured markers of oxidative stress and mitochondrial dysfunctions among adult male flies (8-10 days old) exposed to varying concentrations of PQ (10, 20, and 40 mM in 5% sucrose solution) employing a conventional filter disc method for 24 h. PQ exposure resulted in significant elevation in the levels of oxidative stress biomarkers (malondialdehyde: 43% increase: hydroperoxide: 32-39% increase), with concomitant enhancement in reduced glutathione and total thiol levels in cytosol. Higher activity of antioxidant enzymes were also evident along with increased free iron levels. Furthermore, PQ exposure caused a concentration-dependent increase in mitochondrial superoxide generation and activity of manganese-superoxide dismutase (Mn-SOD). The activity levels of complex I-III, complex II-III, and Mg+2 adinosine triphosphatase (ATPase) were also decreased significantly. A robust diminution in the activity of succinate dehydrogenase and moderate decline in the citrate synthase activity suggested a specific effect on citric acid cycle enzymes. Collectively, these data suggest that acute PQ exposure causes significant oxidative stress and mitochondrial dysfunction among flies in vivo. It is suggested that in various experimental settings, while conducting the "PQ resistance stress test" incorporation of selected biochemical end points is likely to enhance the quality of the data.


Subject(s)
Drosophila melanogaster/drug effects , Herbicides/toxicity , Mitochondria/drug effects , Oxidative Stress/drug effects , Paraquat/toxicity , Animals , Antioxidants/metabolism , Cholinesterases/metabolism , Citric Acid Cycle/drug effects , Drosophila melanogaster/metabolism , Glutathione/metabolism , Lipid Peroxidation , Male , Reactive Oxygen Species/metabolism , Sulfhydryl Compounds/metabolism
11.
Genome ; 54(10): 829-35, 2011 Oct.
Article in English | MEDLINE | ID: mdl-21961920

ABSTRACT

The evolution of karyotypically stabilized short-lived (SL) and long-lived (LL) cytoraces in the laboratory have been established and validated through our previous lifespan studies. In the present investigation, we examined the possible reason(s) for the differential longevity among selected members of SL and LL cytoraces, employing the well known paraquat (PQ) resistance bioassay. Exposure of these races to varying concentrations of PQ revealed relatively higher resistance among LL cytoraces than SL cytoraces, as evident by the lower incidence of mortality. Biochemical analysis for endogenous markers of oxidative stress revealed that LL-2 cytorace exhibited lower reactive oxygen species (ROS) and lipid peroxidation (LPO) levels, higher activity levels of superoxide dismutase (SOD), and coupled with higher levels of reduced glutathione (GSH) compared with the levels found in SL-2 cytorace. These findings suggest that the higher susceptibility of SL cytoraces to PQ challenge may be, at least in part, related to the higher endogenous levels of oxidative stress markers. Although the precise mechanisms responsible for the longer longevity among LL cytoraces of the nasuta-albomicans complex of Drosophila merits further investigation, our data suggest that the relatively longer lifespan may be related to the status of endogenous markers that renders them more resistant towards oxidative-stress-mediated lethality, as evident in the PQ assay.


Subject(s)
Drosophila/metabolism , Herbicides/pharmacology , Oxidative Stress , Paraquat/pharmacology , Animals , Biomarkers , Drosophila/drug effects , Drosophila/genetics , Glutathione/metabolism , Hybridization, Genetic , Lipid Peroxidation , Superoxide Dismutase/genetics , Superoxide Dismutase/metabolism
12.
Indian J Biochem Biophys ; 47(2): 75-82, 2010 Apr.
Article in English | MEDLINE | ID: mdl-20521619

ABSTRACT

Environmental exposure to the oxidant-producing herbicide, paraquat (PQ) (1,1'-dimethyl-4,4'-bipyridinium dichloride) has long been implicated as a risk factor in Parkinson's disease (PD). PQ-induced oxidative stress has been exploited as a model to screen putative neuroprotective compounds employing Drosophila. In the present study, we investigated the prophylactic efficacy of Bacopa monnieri (BM) against PQ-induced oxidative stress, mitochondrial dysfunctions and lethality. Exposure of adult male flies (Oregon K) to PQ alone (40 mM in 5% sucrose) resulted in 50% mortality at 48 h. Prophylaxis (7 days) with BM extract (0.1%) offered significant protection (40%) against PQ-induced mortality. Further, oxidative impairments and mitochondrial dysfunctions were monitored among Drosophila exposed to PQ (20, 40 mM) for 24 h. Significant induction of oxidative stress was observed in terms of enhanced malondialdehyde and hydroperoxide levels, and elevated activities of antioxidant enzymes (catalase and SOD). Mitochondrial dysfunctions included of significant reduction in the activities of succinate dehydrogenase (23%), complex I-III (26%), and complex II-III (30%) enzymes. Interestingly, prophylaxis with BM extract prevented the oxidative stress induction by PQ and restored the activity of ETC complexes, suggesting clearly its specific effect on the mitochondria. While the precise mechanism of action of BM needs further investigations, it may be related to its ability to enhance antioxidant defences and thus mitigate PQ-induced oxidative stress in Drosophila.


Subject(s)
Bacopa/chemistry , Drosophila melanogaster/drug effects , Drosophila melanogaster/metabolism , Oxidative Stress/drug effects , Paraquat/pharmacology , Plant Extracts/pharmacology , Plant Leaves/chemistry , Animals , Antioxidants/metabolism , Biomarkers/metabolism , Citric Acid Cycle/drug effects , Drosophila melanogaster/cytology , Drosophila melanogaster/enzymology , Electron Transport/drug effects , Lethal Dose 50 , Male , Mitochondria/drug effects , Mitochondria/enzymology , Mitochondria/metabolism , Powders
13.
Neurochem Res ; 35(9): 1402-12, 2010 Sep.
Article in English | MEDLINE | ID: mdl-20514516

ABSTRACT

Creatine (Cr), an ergogenic nutritional supplement is demonstrated to possess bioenergetic, antiexcitotoxic and antioxidant properties. This study investigated the neuroprotective effects of Cr against rotenone induced oxidative stress, mortality and neurotoxicty in Drosophila melanogaster. We found significant diminution in the endogenous levels of oxidative markers in whole body homogenates of flies exposed to Cr (2-10 mM). Cr supplementation resulted in reduced mortality in flies exposed to rotenone (500 microM) and better performance in a negative geotaxis assay. Further Cr (10 mM) markedly offset rotenone induced mitochondrial oxidative stress, completely restored the GSH levels, nitric oxide levels, activity of Mn-SOD and dopamine depletion. In an oxidative stress bioassay, flies given Cr prophylaxis exhibited marked resistance to paraquat exposure. These data allow us to hypothesize that the neuroprotective action of Cr in Drosophila may be related to its direct antioxidant activity and ability to abrogate rotenone induced mitochondrial oxidative stress.


Subject(s)
Creatine/administration & dosage , Drosophila melanogaster/cytology , Drosophila melanogaster/drug effects , Insecticides/toxicity , Mitochondria/drug effects , Oxidative Stress/drug effects , Rotenone/toxicity , Animals , Antioxidants/metabolism , Biomarkers/metabolism , Dietary Supplements , Dopamine/metabolism , Drosophila melanogaster/metabolism , Humans , Male , Mitochondria/metabolism , Motor Activity/drug effects , Neuropsychological Tests , Nitric Oxide/metabolism , Superoxide Dismutase/metabolism , Survival Rate , Uncoupling Agents/toxicity
14.
Neurotoxicology ; 30(6): 977-85, 2009 Nov.
Article in English | MEDLINE | ID: mdl-19744517

ABSTRACT

Bacopa monnieri, Linn. (Brahmi, BM), traditionally used to improve mental health in Indian ayurvedic system of medicine is known to possess various neuropharmacolgical properties. In the recent past, Drosophila has been widely used as a model to study various neurodegenerative diseases. Environmental toxins like rotenone, a specific inhibitor of complex I is employed to increase oxidative stress mediated neuropathology and sporadic Parkinson's disease. In this study, we examined the neuroprotective properties of BM against rotenone induced oxidative damage and neurotoxicity. Flies (Oregon K strain, adult males) exposed to a standardized BM powder for 7 days in the diet exhibited significant diminution in the levels of endogenous oxidative markers viz., malondialdehyde, hydroperoxide and protein carbonyl content. Further, BM offered complete protection against rotenone (500 microM) induced oxidative stress and markedly inhibited dopamine depletion (head region, 33%; body region, 44%) in flies. Flies exposed to rotenone+BM exhibited a lower incidence of mortality (40-66% protection) and performed better in a negative geotaxis assay (45-65%) both suggesting the neuroprotective potential of BM. Interestingly, BM also conferred significant resistance (43-54% protection) in a paraquat oxidative stress bioassay. The neuroprotective effects of BM were highly comparable to those of a commercially available Brahmi preparation. Although the precise mechanism/s underlying the neuroprotective efficacy of BM are not clear, it is hypothesized that it is wholly or in part related to its ability to mitigate rotenone induced oxidative stress. Further, our approach confirms the utility of the Drosophila model in screening putative neuroprotective phytomedicines prior to their use in mammalian models.


Subject(s)
Bacopa/chemistry , Insecticides/toxicity , Neurotoxicity Syndromes/etiology , Neurotoxicity Syndromes/prevention & control , Oxidative Stress/drug effects , Plant Extracts/pharmacology , Rotenone/toxicity , Acetylcholinesterase/metabolism , Analysis of Variance , Animals , Butyrylcholinesterase/metabolism , Catalase/metabolism , Disease Models, Animal , Drosophila melanogaster , Glutathione Transferase/metabolism , Lipid Peroxides/metabolism , Male , Malondialdehyde/metabolism , Plant Extracts/isolation & purification , Protein Carbonylation/drug effects , Superoxide Dismutase/metabolism , Time Factors
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