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Sompark C, Damrianant S, Sakkayawong N. Phytotoxicity and genotoxicity study of reactive red 141 dye on mung bean (Vigna radiata (L.) Wilczek) seedlings. Mol Biol Rep 2024; 51:51. [PMID: 38165511 DOI: 10.1007/s11033-023-08917-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Accepted: 11/17/2023] [Indexed: 01/03/2024]
Abstract
BACKGROUND Reactive Red (RR) 141 dye is widely used in various industrial applications, but its environmental impact remains a growing concern. In this study, the phytotoxic and genotoxic effects of RR 141 dye on mung bean seedlings (Vigna radiata (L.) Wilczek) were investigated, serving as a model for potential harm to plant systems. METHODS AND RESULTS Short-term (14 days) and long-term (60 days) experiments in paddy soil pot culture exposed mung bean seedlings to RR 141 dye. The dye delayed germination and hindered growth, significantly reducing germination percentage and seedling vigor index (SVI) at concentrations of 50 and 100 ml/L. In short-term exposure, plumule and radical lengths dose-dependently decreased, while long-term exposure affected plant length and grain weight, leaving pod-related parameters unaffected. To evaluate genotoxicity, high annealing temperature-random amplified polymorphic DNA (HAT-RAPD) analysis was employed with five RAPD primers having 58-75% GC content. It detected polymorphic band patterns, generating 116 bands (433 to 2857 bp) in plant leaves exposed to the dye. Polymorphisms indicated the appearance/disappearance of DNA bands in both concentrations, with decreased genomic template stability (GTS) values suggesting DNA damage and mutation. CONCLUSION These findings demonstrate that RR 141 dye has a significant impact on genomic template stability (GTS) and exhibits phytotoxic and genotoxic responses in mung bean seedlings. This research underscores the potential of RR 141 dye to act as a harmful agent within plant model systems, highlighting the need for further assessment of its environmental implications.
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Affiliation(s)
- Chalermwoot Sompark
- Postharvest and Processing Research and Development Division, Department of Agriculture, Ladyao, Chatuchack, Bangkok, 10900, Thailand
| | - Somchit Damrianant
- Department of Biotechnology, Faculty of Science and Technology, Thammasat University, Rangsit Centre, Khlong Nueng, Klong Luang, Pathum Thani, 12120, Thailand
| | - Niramol Sakkayawong
- Department of Biotechnology, Faculty of Science and Technology, Thammasat University, Rangsit Centre, Khlong Nueng, Klong Luang, Pathum Thani, 12120, Thailand.
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Nazir A, Wahid A. Foliar spray of stress protective chemicals alleviates cobalt toxicity by improving root antioxidant defense in maize (Zea mays). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:81288-81302. [PMID: 37314561 DOI: 10.1007/s11356-023-28132-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 05/31/2023] [Indexed: 06/15/2023]
Abstract
Cobalt (Co2+) is a beneficial microelement for plants but toxic to metabolism in higher amounts. This study determined the influence of sublethal Co2+ level (0.5 mM) on the growth of maize (Zea mays L.) hybrids; Hycorn 11 plus (Co2+ sensitive) and P-1429 (Co2+ tolerant) and its alleviation with foliar spray of pre-optimized levels of stress protective chemicals (SPCs), i.e., salicylic acid (SA, 0.5 mM), thiourea (TU, 1.0 mM), and ascorbic acid (AsA, 0.5 mM) applied at seedling, vegetative, and late vegetative stages. Plants were harvested at early vegetative, late vegetative, and silking stages. Co2+ stress caused a decrease in shoot and root length, dry weight, leaf area, and culm diameter, reduced the activities of enzymatic antioxidants and concentrations of AsA and soluble phenolics more in root than shoot, but P-1429 was more tolerant of Co2+ than Hycorn 11 plus. SPCs spray alleviated oxidative damage by enhancing the antioxidant activity, AsA and soluble phenolics, sulfate-S and nitrate-N contents, which were significantly increased in roots than in shoots; P-1429 displayed better response than Hycorn 11 plus. Principal component analysis and correlation matrix revealed the profound roles of SPCs spray in improving Co2+ resistance in root leading to robust growth of hybrids. AsA was highly promising in reducing Co2+ toxicity while vegetative and silking stages were more sensitive. Results revealed that after translocation to root, the foliar-applied SPCs had individualistic modes of action in mitigating Co2+ toxicity on roots. In crux, the metabolism and phloem transport of the SPCs from shoot to root are plausible mechanism for Co2+ tolerance in maize hybrids.
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Affiliation(s)
- Atia Nazir
- Department of Botany, University of Agriculture, Faisalabad, 38040, Pakistan
| | - Abdul Wahid
- Department of Botany, University of Agriculture, Faisalabad, 38040, Pakistan.
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Kalefetoğlu Macar T, Macar O, Çavuşoğlu K, Yalçin E, Yapar K. Turmeric (Curcuma longa L.) tends to reduce the toxic effects of nickel (II) chloride in Allium cepa L. roots. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:60508-60518. [PMID: 35420336 DOI: 10.1007/s11356-022-20171-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2022] [Accepted: 04/05/2022] [Indexed: 06/14/2023]
Abstract
The immense protection potential of plant-derived products against heavy metal toxicity has become a considerable field of research. The goal of the present study was to evaluate the mitigative ability of turmeric against nickel (II) chloride (NiCl2)-related toxicity in the roots of Allium cepa L. For this purpose, one control (treated with tap water) and five treatment groups (treated with 440 mg/L turmeric, 880 mg/L turmeric, 1 mg/L NiCI2, 1 mg/L NiCI2 + 440 mg/L turmeric, and 1 mg/L NiCI2 + 880 mg/L turmeric, respectively) of Allium bulbs were established. Experimental conditions were maintained at room temperature for 3 days. Physiological, biochemical, cytogenetic, and meristematic integrity parameters were analyzed in all groups. NiCl2 reduced germination percentage, root elongation, and weight gain. Following NiCl2 application, the frequency of aberrant chromosomes and micronuclei increased, while mitotic index decreased. NiCl2 caused an increase in oxidative stress, which was evident by increased malondialdehyde level and catalytic activities of superoxide dismutase and catalase. Epidermal and cortex cell injuries as well as deformed cell nuclei and indistinct transmission tissue were observed as a result of NiCl2 treatment. When applied alone, turmeric, which did not cause any negative effects, led to an improvement in all parameters depending on the dose when applied together with NiCl2. Data from the study suggests that turmeric has remarkable protection potential against NiCl2 in Allium cepa.
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Affiliation(s)
- Tuğçe Kalefetoğlu Macar
- Department of Food Technology, Şebinkarahisar School of Applied Sciences, Giresun University, 28400, Giresun, Turkey
| | - Oksal Macar
- Department of Food Technology, Şebinkarahisar School of Applied Sciences, Giresun University, 28400, Giresun, Turkey.
| | - Kültiğin Çavuşoğlu
- Department of Biology, Faculty of Science and Art, Giresun University, 28049, Giresun, Turkey
| | - Emine Yalçin
- Department of Biology, Faculty of Science and Art, Giresun University, 28049, Giresun, Turkey
| | - Kürşad Yapar
- Department of Pharmacology, Faculty of Medicine, Giresun University, 28049, Giresun, Turkey
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Selim S, Akhtar N, Hagagy N, Alanazi A, Warrad M, El Azab E, Elamir MYM, Al-Sanea MM, Jaouni SKA, Abdel-Mawgoud M, Shah AA, Abdelgawad H. Selection of Newly Identified Growth-Promoting Archaea Haloferax Species With a Potential Action on Cobalt Resistance in Maize Plants. FRONTIERS IN PLANT SCIENCE 2022; 13:872654. [PMID: 35665142 PMCID: PMC9161300 DOI: 10.3389/fpls.2022.872654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 04/08/2022] [Indexed: 06/15/2023]
Abstract
Soil contamination with cobalt (Co) negatively impacts plant growth and production. To combat Co toxicity, plant growth-promoting microorganisms for improving plant growth are effectively applied. To this end, unclassified haloarchaeal species strain NRS_31 (OL912833), belonging to Haloferax genus, was isolated, identified for the first time, and applied to mitigate the Co phytotoxic effects on maize plants. This study found that high Co levels in soil lead to Co accumulation in maize leaves. Co accumulation in the leaves inhibited maize growth and photosynthetic efficiency, inducing oxidative damage in the tissue. Interestingly, pre-inoculation with haloarchaeal species significantly reduced Co uptake and mitigated the Co toxicity. Induced photosynthesis improved sugar metabolism, allocating more carbon to defend against Co stress. Concomitantly, the biosynthetic key enzymes involved in sucrose (sucrose-P-synthase and invertases) and proline (pyrroline-5- carboxylate synthetase (P5CS), pyrroline-5-carboxylate reductase (P5CR)) biosynthesis significantly increased to maintain plant osmotic potential. In addition to their osmoregulation potential, soluble sugars and proline can contribute to maintaining ROS hemostasis. Maize leaves managed their oxidative homeostasis by increasing the production of antioxidant metabolites (such as phenolics and tocopherols) and increasing the activity of ROS-scavenging enzymes (such as POX, CAT, SOD, and enzymes involved in the AsA/GSH cycle). Inside the plant tissue, to overcome heavy Co toxicity, maize plants increased the synthesis of heavy metal-binding ligands (metallothionein, phytochelatins) and the metal detoxifying enzymes (glutathione S transferase). Overall, the improved ROS homeostasis, osmoregulation, and Co detoxification systems were the basis underlying Co oxidative stress, mitigating haloarchaeal treatment's impact.
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Affiliation(s)
- Samy Selim
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka, Saudi Arabia
| | - Nosheen Akhtar
- Department of Biological Sciences, National University of Medical Sciences, Rawalpindi, Pakistan
| | - Nashwa Hagagy
- Department of Biology, College of Science and Arts at Khulis, University of Jeddah, Jeddah, Saudi Arabia
- Botany and Microbiology Department, Faculty of Science, Suez Canal University, Ismailia, Egypt
| | - Awadh Alanazi
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka, Saudi Arabia
| | - Mona Warrad
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences at Al-Quriat, Jouf University, Al-Quriat, Saudi Arabia
| | - Eman El Azab
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences at Al-Quriat, Jouf University, Al-Quriat, Saudi Arabia
| | | | - Mohammad M. Al-Sanea
- Pharmaceutical Chemistry Department, College of Pharmacy, Jouf University, Sakaka, Saudi Arabia
| | - Soad K. Al Jaouni
- Hematology/Pediatric Oncology, Yousef Abdulatif Jameel Scientific Chair of Prophetic Medicine Application, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | | | - Anis Ali Shah
- Department of Botany, Division of Science and Technology, University of Education, Lahore, Pakistan
| | - Hamada Abdelgawad
- Integrated Molecular Plant Physiology Research, Department of Biology, University of Antwerp, Antwerpen, Belgium
- Botany and Microbiology Department, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt
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Ozyigit II, Arda L, Yalcin B, Yalcin IE, Ucar B, Hocaoglu-Ozyigit A. Lemna minor, a hyperaccumulator shows elevated levels of Cd accumulation and genomic template stability in binary application of Cd and Ni: a physiological and genetic approach. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2021; 23:1255-1269. [PMID: 33662215 DOI: 10.1080/15226514.2021.1892586] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
In this study, to determine whether having potential to be used as hyperaccumulator for Cd and Ni, numerous experiments were designed for conducting assessments for physiological and genotoxic changes along with defining possible alterations on mineral nutrient status of Lemna minor L. by applying Cd-Ni binary treatments (0, 100, 200 and 400 µM). Our study revealed that there were increases in the concentrations of B, Cr, Fe, K, Mg, and Mn whereas decreases were noticed in the concentrations of Na and Zn and the levels of Ca were inversely proportional to Cd-Ni applications showing tendency to increase at the low concentration and to decrease at the high concentration. Randomly Amplified Polymorphic DNA (RAPD) and Inter Simple Sequence Repeat (ISSR) analyses revealed that rather than band losses and new band formations, mostly intensity changes in the band profiles, and low polymorphism and high genomic template stability (GTS) were observed. Although, to date, L. minor was defined as an efficient hyperaccumulator/potential accumulator or competent phytoremedial agent by researchers. Our research revealed that L. minor showing high accumulation capability for Cd and having low polymorphism rate and high genomic template stability is a versatile hyperaccumulator, especially for Cd; therefore, highly recommended by us for decontamination of water polluted with Cd. NOVELTY STATEMENTMany studies have been focused on the effects of individual metal ions. However, heavy metal contaminants usually exist as their mixtures in natural aquatic environments. Especially, Cd and Ni coexist in industrial wastes.In this study, the accumulation properties of Lemna minor for both Cd and Ni were investigated and the effects of Cd and Ni on the bioaccumulation of B, Ca, Cu, Fe, Mg, K, Mn, Na, Pb and Zn in L. minor were also determined. This study furthermore aimed to assess the genotoxic effects of Cd and Ni found in being extended concentrations on DNA using the Randomly Amplified Polymorphic DNA-Polymerase Chain Reaction (RAPD-PCR) method.
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Affiliation(s)
- Ibrahim Ilker Ozyigit
- Department of Biology, Faculty of Arts & Sciences, Marmara University, Istanbul, Turkey
- Department of Biology, Faculty of Sciences, Kyrgyz-Turkish Manas University, Bishkek, Kyrgyzstan
| | - Lutfi Arda
- Department of Mechatronics Engineering, Faculty of Engineering and Natural Sciences, Bahcesehir University, Istanbul, Besiktas, Turkey
| | - Bestenur Yalcin
- Program of Medical Laboratory Techniques, Vocational School of Health Services, Bahcesehir University, Istanbul, Besiktas, Turkey
| | - Ibrahim Ertugrul Yalcin
- Department of Civil Engineering, Faculty of Engineering and Natural Sciences, Bahcesehir University, Istanbul, Besiktas, Turkey
| | - Bihter Ucar
- Department of Biology, Faculty of Arts & Sciences, Marmara University, Istanbul, Turkey
| | - Asli Hocaoglu-Ozyigit
- Department of Biology, Faculty of Arts & Sciences, Marmara University, Istanbul, Turkey
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Abstract
Retrotransposon activity and genomic template stability (GTS) are one of the most significant rearranging mechanisms in environmental stress. Therefore, in this study, it is aimed to elucidate effecting of Cobalt (Co) on the instability of genomes and Long Terminal Repeat retrotransposon polymorphism in Zea mays and whether humic acid (HA) has any role on these parameters. For this purpose, Retrotransposon-microsatellite amplified polymorphism (REMAP) and Inter-Retrotransposon Amplified Polymorphism (IRAP) markers were applied to evaluate retrotransposon polymorphism and the GTS levels. It was found that IRAP and REMAP primers generate unique polymorphic band structures on maize plants treated with various doses of Co. Retrotransposon polymorphism increased and GTS decreased while increasing Co concentration. On the other hand, there was a reduction in negative effects of Co on retrotransposon GTS and polymorphism after treatment with HA. The results indicate that HA may be used effectively for the protection of maize seedlings from the destructive effects of Co toxicity.
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Agarwal S, Khan S. Heavy Metal Phytotoxicity: DNA Damage. CELLULAR AND MOLECULAR PHYTOTOXICITY OF HEAVY METALS 2020. [DOI: 10.1007/978-3-030-45975-8_10] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Šiukšta R, Bondzinskaitė S, Kleizaitė V, Žvingila D, Taraškevičius R, Mockeliūnas L, Stapulionytė A, Mak K, Čėsnienė T. Response of Tradescantia plants to oxidative stress induced by heavy metal pollution of soils from industrial areas. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:44-61. [PMID: 30276686 DOI: 10.1007/s11356-018-3224-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Accepted: 09/13/2018] [Indexed: 06/08/2023]
Abstract
Numerous investigations have demonstrated that even soil in which concentrations of individual elements do not exceed permissible limits can cause harmful effects in living organisms. In the present study, polluted-soil-induced oxidative stress was evaluated using Tradescantia clone 4430, which is widely used for genotoxicity evaluations, employing biochemical (superoxide dismutase (SOD), contents of ascorbic acid (AA), carotenoids (Car), hydrogen peroxide (H2O2), chlorophyll (Chl) a/b ratio), and molecular (RAPD and differential display (DD-PCR)) markers after long-term exposure. The activity (staining intensity) of SOD isoforms in Tradescantia leaves was higher in plants grown in all heavy-metal-polluted test soils compared to the control. No direct link between the soil pollution category and the contents of AA, Car, Chl a/b in Tradescantia leaves was revealed, but the concentration of H2O2 was shown to be a sensitive biochemical indicator that may appropriately reflect the soil contamination level. Both short-term (treatment of cuttings with H2O extracts of soil) and long-term (0.5 and 1.0 year) exposure increased MN frequencies, but the coincidence of the MN induction and the soil pollution level was observed only in some cases of long-term exposure. Soil (geno)toxin-induced polymorphism in the RAPD profile was determined with two primers in plants after long-term exposure to soils of an extremely hazard category. Transcript profiling of plants after long-term cultivation in test soils using DD-PCR showed that the majority of differentially expressed transcript-derived fragments (TDFs) were homologous to genes directly or indirectly participating in photosynthesis, the abiotic stress response, and signal transduction cascades.
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Affiliation(s)
- Raimondas Šiukšta
- Institute of Biosciences, Life Sciences Center, Vilnius University, Saulėtekis Ave. 7, LT-10257, Vilnius, Lithuania.
- Botanical Garden of Vilnius University, Kairėnai Str. 43, LT-10239, Vilnius, Lithuania.
| | - Skaistė Bondzinskaitė
- Institute of Biosciences, Life Sciences Center, Vilnius University, Saulėtekis Ave. 7, LT-10257, Vilnius, Lithuania
| | - Violeta Kleizaitė
- Institute of Biosciences, Life Sciences Center, Vilnius University, Saulėtekis Ave. 7, LT-10257, Vilnius, Lithuania
| | - Donatas Žvingila
- Institute of Biosciences, Life Sciences Center, Vilnius University, Saulėtekis Ave. 7, LT-10257, Vilnius, Lithuania
| | - Ričardas Taraškevičius
- Nature Research Centre, Institute of Geology and Geography, Akademija Str. 2, LT-08412, Vilnius, Lithuania
| | - Laurynas Mockeliūnas
- Institute of Biosciences, Life Sciences Center, Vilnius University, Saulėtekis Ave. 7, LT-10257, Vilnius, Lithuania
| | - Asta Stapulionytė
- Institute of Biosciences, Life Sciences Center, Vilnius University, Saulėtekis Ave. 7, LT-10257, Vilnius, Lithuania
| | - Kristina Mak
- Institute of Biosciences, Life Sciences Center, Vilnius University, Saulėtekis Ave. 7, LT-10257, Vilnius, Lithuania
| | - Tatjana Čėsnienė
- Institute of Biosciences, Life Sciences Center, Vilnius University, Saulėtekis Ave. 7, LT-10257, Vilnius, Lithuania
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Xalxo R, Keshavkant S. Hydrolytic enzymes mediated lipid-DNA catabolism and altered gene expression of antioxidants under combined application of lead and simulated acid rain in Fenugreek (Trigonella foenum graecum L.) seedlings. ECOTOXICOLOGY (LONDON, ENGLAND) 2018; 27:1404-1413. [PMID: 30406895 DOI: 10.1007/s10646-018-1996-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 10/26/2018] [Indexed: 06/08/2023]
Abstract
Understanding ill effects of simultaneous existence of various abiotic stresses, commonly observed due to various anthropogenic activities and global climate change these days, over plants growth, metabolic activity and yield responses are important for continued agricultural productivity and food security. In the present study, seedlings of Fenugreek (Trigonella foenum graecum L.) were subjected to lead (Pb, 1200 ppm) and/or simulated acid rain (SAR, pH 3.5) for 30 days, and were then analysed. The results revealed reduced growth, and total lipid and DNA contents, while enhanced Pb accumulation, biological concentration factor, biological accumulation coefficient, translocation factor, lipase activity, and levels of free fatty acid, conjugated diene, lipid hydroperoxide, DNA oxidation and DNase activity under Pb and/or SAR exposure. Additionally, activities and gene expression levels of antioxidants (superoxide dismutase, catalase, guaiacol peroxidase and ascorbate peroxidase) were enhanced in response to applied treatments. The results also suggested that inhibitions/ accelerations determined under joint addition of Pb and SAR were comparatively more profound than those measured under their single application. Additionally, root was more sensitive to Pb treatment, compared to both leaf and shoot. Hence, under simultaneous presence of two or more number of abiotic stresses, the strategy opted by plants for survival is chiefly governed by the interaction between prevailing stressors, which is then conceived by plants as a new state of stress.
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Affiliation(s)
- Roseline Xalxo
- School of Studies in Biotechnology, Pt. Ravishankar Shukla University, Raipur, 492 010, India
| | - S Keshavkant
- School of Studies in Biotechnology, Pt. Ravishankar Shukla University, Raipur, 492 010, India.
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Agnihotri A, Gupta P, Dwivedi A, Seth CS. Counteractive mechanism (s) of salicylic acid in response to lead toxicity in Brassica juncea (L.) Czern. cv. Varuna. PLANTA 2018; 248:49-68. [PMID: 29564629 DOI: 10.1007/s00425-018-2867-0] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Accepted: 02/17/2018] [Indexed: 06/08/2023]
Abstract
Salicylic acid alleviates lead toxicity in Brassica juncea (L.) by promoting growth under non-stress and activating stress-defense mechanism (s) under lead stress conditions. It also boosts the ascorbate-glutathione cycle and thus helps in minimizing oxidative and DNA damage. Brassica juncea plants were exposed to different concentrations (0, 500, 1000 and 2000 mg kg-1) of lead (Pb) and subsequently sprayed with 0.5 mM of salicylic acid (SA) to check for morphological and leaf gas exchange parameters like transpiration rate (E), stomatal conductance (GH2O), net photosynthetic rate (A) and maximum quantum yield of PS II (Fv/Fm). Leaf epidermis by scanning electron microscopy (SEM), enzymatic and non-enzymatic components of ascorbate-glutathione (AsA-GSH) cycle, DNA damage by comet assay, lipid peroxidation and endogenous SA quantification by HPLC were analyzed. Lead accumulation in root, shoot and its sub-cellular distribution ratio (SDR) and localization was also determined using atomic absorption spectroscopy (AAS) and rhodizonate-dye staining method, respectively. Results revealed that notable amount of Pb was accumulated in root and shoot in dose-dependent manner which significantly (P ≤ 0.05) posed the toxicity on the majority of morphological parameters, structural integrity of epidermal and guard cells, photosynthetic pigments, malondialdehyde (MDA) and H2O2 content. Notable decrease in leaf gas exchange parameters, Fv/Fm, poor performance of AsA-GSH cycle and striking amount of DNA damage, was found as well. However, SA revoked Pb toxicity to a great extent by promoting growth, chlorophyll content, improving the A, Fv/Fm, boosting the overall performance of AsA-GSH cycle and by lessening the DNA damage.
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Affiliation(s)
| | - Praveen Gupta
- Department of Botany, University of Delhi, Delhi, 110007, India
| | - Anuj Dwivedi
- Department of Botany, University of Delhi, Delhi, 110007, India
- National Institute of Plant Genome Research, Aruna Asaf Ali Marg, New Delhi, 110067, India
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Cervantes-Ramírez LT, Ramírez-López M, Mussali-Galante P, Ortiz-Hernández ML, Sánchez-Salinas E, Tovar-Sánchez E. Heavy metal biomagnification and genotoxic damage in two trophic levels exposed to mine tailings: a network theory approach. REVISTA CHILENA DE HISTORIA NATURAL 2018. [DOI: 10.1186/s40693-018-0076-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Mangalampalli B, Dumala N, Grover P. Allium cepa root tip assay in assessment of toxicity of magnesium oxide nanoparticles and microparticles. J Environ Sci (China) 2018; 66:125-137. [PMID: 29628079 DOI: 10.1016/j.jes.2017.05.012] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2016] [Revised: 04/10/2017] [Accepted: 05/05/2017] [Indexed: 06/08/2023]
Abstract
Allium cepa bioassay had been used from decades for the assessment of toxicants and their harmful effects on environment as well as human health. Magnesium oxide (MgO) particles are being utilized in different fields. However, reports on the adverse effects of MgO nanoparticles on the environment and mankind are scarce. Hence, the toxicity of MgO particles is of concern because of their increased utilization. In the current study, A. cepa was used as an indicator to assess the toxicological efficiency of MgO nano- and microparticles (NPs and MPs) at a range of exposure concentrations (12.5, 25, 50, and 100μg/mL). The toxicity was evaluated by using various bioassays on A. cepa root tip cells such as comet assay, oxidative stress and their uptake/internalization profile. Results indicated a dose dependent increase in chromosomal aberrations and decrease in mitotic index (MI) when compared to control cells and the effect was more significant for NPs than MPs (at p<0.05). Comet analysis revealed that the Deoxyribonucleic acid (DNA) damage in terms of percent tail DNA ranged from 6.8-30.1 over 12.5-100μg/mL concentrations of MgO NPs and was found to be significant at the exposed concentrations. A significant increase in generation of hydrogen peroxide and superoxide radicals was observed in accordance with the lipid peroxidation profile in both MgO NPs and MPs treated plants when compared with control. In conclusion, this investigation revealed that MgO NPs exposure exhibited greater toxicity on A. cepa than MPs.
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Affiliation(s)
- Bhanuramya Mangalampalli
- Toxicology Unit, Pharmacology and Toxicology Division, CSIR - Indian Institute of Chemical Technology, Hyderabad, Telangana 500007, India; Academy of Scientific and Innovative Research, CSIR - Indian Institute of Chemical Technology, Hyderabad, Telangana 500007, India.
| | - Naresh Dumala
- Toxicology Unit, Pharmacology and Toxicology Division, CSIR - Indian Institute of Chemical Technology, Hyderabad, Telangana 500007, India; Academy of Scientific and Innovative Research, CSIR - Indian Institute of Chemical Technology, Hyderabad, Telangana 500007, India
| | - Paramjit Grover
- Toxicology Unit, Pharmacology and Toxicology Division, CSIR - Indian Institute of Chemical Technology, Hyderabad, Telangana 500007, India; Academy of Scientific and Innovative Research, CSIR - Indian Institute of Chemical Technology, Hyderabad, Telangana 500007, India.
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Shah ZH, Rehman HM, Akhtar T, Alsamadany H, Hamooh BT, Mujtaba T, Daur I, Al Zahrani Y, Alzahrani HAS, Ali S, Yang SH, Chung G. Humic Substances: Determining Potential Molecular Regulatory Processes in Plants. FRONTIERS IN PLANT SCIENCE 2018; 9:263. [PMID: 29593751 PMCID: PMC5861677 DOI: 10.3389/fpls.2018.00263] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2017] [Accepted: 02/14/2018] [Indexed: 05/20/2023]
Abstract
Humic substances (HSs) have considerable effects on soil fertility and crop productivity owing to their unique physiochemical and biochemical properties, and play a vital role in establishing biotic and abiotic interactions within the plant rhizosphere. A comprehensive understanding of the mode of action and tissue distribution of HS is, however, required, as this knowledge could be useful for devising advanced rhizospheric management practices. These substances trigger various molecular processes in plant cells, and can strengthen the plant's tolerance to various kinds of abiotic stresses. HS manifest their effects in cells through genetic, post-transcriptional, and post-translational modifications of signaling entities that trigger different molecular, biochemical, and physiological processes. Understanding of such fundamental mechanisms will provide a better perspective for defining the cues and signaling crosstalk of HS that mediate various metabolic and hormonal networks operating in plant systems. Various regulatory activities and distribution strategies of HS have been discussed in this review.
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Affiliation(s)
- Zahid Hussain Shah
- Department of Arid Land Agriculture, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Hafiz M. Rehman
- Department of Electronics and Biomedical Engineering, Chonnam National University, Gwangju, South Korea
| | - Tasneem Akhtar
- Department of Arid Land Agriculture, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Hameed Alsamadany
- Department of Biological Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Bahget T. Hamooh
- Department of Arid Land Agriculture, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Tahir Mujtaba
- Plant and Forest Biotechnology Umeå, Plant Science Centre, Swedish University of Agriculture Sciences, Umeå, Sweden
| | - Ihsanullah Daur
- Department of Arid Land Agriculture, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Yahya Al Zahrani
- Department of Biological Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Hind A. S. Alzahrani
- Department of Biology, College of Science, Imam Abdulrahman bin Faisal University, Dammam, Saudi Arabia
| | - Shawkat Ali
- Kentville Research and Development Centre, Agriculture and Agri-Food Canada, Kentville, NS, Canada
| | - Seung H. Yang
- Department of Electronics and Biomedical Engineering, Chonnam National University, Gwangju, South Korea
| | - Gyuhwa Chung
- Department of Electronics and Biomedical Engineering, Chonnam National University, Gwangju, South Korea
- *Correspondence: Gyuhwa Chung,
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Čėsnienė T, Kleizaitė V, Bondzinskaitė S, Taraškevičius R, Žvingila D, Šiukšta R, Rančelis V. Metal bioaccumulation and mutagenesis in a Tradescantia clone following long-term exposure to soils from urban industrial areas and closed landfills. MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2017; 823:65-72. [PMID: 28985948 DOI: 10.1016/j.mrgentox.2017.09.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Revised: 09/08/2017] [Accepted: 09/11/2017] [Indexed: 01/20/2023]
Abstract
Soil mutagens, particularly metals, may persist long after the source of pollution has been removed, representing a hazard to plants, animals, and humans in or near contaminated areas. Often, due to urban growth, previous land uses may be forgotten and hazards overlooked. We exposed Tradescantia clone #4430 plants to soil from two industrial areas (with different former uses) and two urban waste landfills in the city of Vilnius, all of which were long disused. Two modes of exposure were used: long-term exposure of growing plants in test soils for 0.5 or 1.0y, and short-term exposure of cuttings to water and dimethyl sulfoxide (DMSO) soil extracts. An increased frequency of micronuclei (MN) was observed with both modes of exposure. The concentrations of 24 metals and other elements were analyzed in the test soils and in above-ground plant parts, under both exposure modes, and the concentration coefficients (Cc) for various elements, the total contamination index (Zs) for soils and plants, and the bioaccumulation factor (BAF) for plants were calculated. These measurements allow a comparison of the contamination levels of soils and plants with equalized values. Metal accumulation levels in plants and soils showed significant differences, providing a better understanding of the genotoxicity of soils from closed landfills and highlighting the need to determine the concentrations of metals and other genotoxicants in plants in relation to genotoxicity.
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Affiliation(s)
- Tatjana Čėsnienė
- Institute of Biosciences, Life Sciences Center, Vilnius University, Saulėtekio Ave. 7, LT-10257, Vilnius, Lithuania.
| | - Violeta Kleizaitė
- Institute of Biosciences, Life Sciences Center, Vilnius University, Saulėtekio Ave. 7, LT-10257, Vilnius, Lithuania
| | - Skaistė Bondzinskaitė
- Institute of Biosciences, Life Sciences Center, Vilnius University, Saulėtekio Ave. 7, LT-10257, Vilnius, Lithuania
| | - Ričardas Taraškevičius
- Institute of Geology and Geography, Nature Research Centre, Akademijos Str. 2, LT-08412, Vilnius, Lithuania
| | - Donatas Žvingila
- Institute of Biosciences, Life Sciences Center, Vilnius University, Saulėtekio Ave. 7, LT-10257, Vilnius, Lithuania
| | - Raimondas Šiukšta
- Institute of Biosciences, Life Sciences Center, Vilnius University, Saulėtekio Ave. 7, LT-10257, Vilnius, Lithuania; Botanical Garden of Vilnius University, Vilnius University, LT-10239 Vilnius, Lithuania
| | - Vytautas Rančelis
- Institute of Biosciences, Life Sciences Center, Vilnius University, Saulėtekio Ave. 7, LT-10257, Vilnius, Lithuania
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Dogan I, Ozyigit II, Tombuloglu G, Sakcali MS, Tombuloglu H. Assessment of Cd-induced genotoxic damage inUrtica piluliferaL. using RAPD-PCR analysis. BIOTECHNOL BIOTEC EQ 2015. [DOI: 10.1080/13102818.2015.1115371] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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16
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Baurand PE, Capelli N, de Vaufleury A. Genotoxicity assessment of pesticides on terrestrial snail embryos by analysis of random amplified polymorphic DNA profiles. JOURNAL OF HAZARDOUS MATERIALS 2015; 298:320-7. [PMID: 26160746 DOI: 10.1016/j.jhazmat.2015.05.051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2015] [Revised: 03/30/2015] [Accepted: 05/29/2015] [Indexed: 06/04/2023]
Abstract
The study explores the relevance of coupling Random Amplified Polymorphic DNA (RAPD) and a High-Resolution capillary electrophoresis System (HRS) method for assessing the genotoxic potential of the wide variety commercial formulations of pesticides. Using this technique, the genotoxic potential of a glyphosate-based herbicide (Roundup Flash(®) (RU)) and two fungicide formulations based on tebuconazole and copper (Corail(®) and Bordeaux mixture (BM), respectively) was evaluated on terrestrial snail embryos. Clutches of Cantareus aspersus were exposed during their entire embryonic development to a range of concentration around the EC50 values (based on hatching success) for each compound tested. Three primers were used for the RAPD amplifications of pesticides samples. RAPD-HRS revealed concentration-dependent modifications in profiles generated with the three primers in RU(®)-exposed embryos from 30 mg/L glyphosate. For Corail(®)-exposed embryos, only two of the three primers were able to show alterations in profiles from 0.05 mg/L tebuconazole. For BM-exposed embryos, no signs of genotoxicity were observed. All changes observed in amplification profiles have been detected at concentrations lower than the recommended doses for vineyard field applications. Our study demonstrates the efficiency of coupling RAPD and HRS to efficiently screen the effect of pesticide formulations on DNA.
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Affiliation(s)
- Pierre-Emmanuel Baurand
- Chrono-Environment, UMR 6249 University of Bourgogne Franche-Comté/CNRS, 16 Route de Gray, 25030 Besançon Cedex, France.
| | - Nicolas Capelli
- Chrono-Environment, UMR 6249 University of Bourgogne Franche-Comté/CNRS, 16 Route de Gray, 25030 Besançon Cedex, France
| | - Annette de Vaufleury
- Chrono-Environment, UMR 6249 University of Bourgogne Franche-Comté/CNRS, 16 Route de Gray, 25030 Besançon Cedex, France; Department of Health Safety Environment, Avenue Des Rives du Lac, BP179, 70003 Vesoul Cedex, France
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Anjum NA, Singh HP, Khan MIR, Masood A, Per TS, Negi A, Batish DR, Khan NA, Duarte AC, Pereira E, Ahmad I. Too much is bad--an appraisal of phytotoxicity of elevated plant-beneficial heavy metal ions. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2015; 22:3361-82. [PMID: 25408077 DOI: 10.1007/s11356-014-3849-9] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2014] [Accepted: 11/10/2014] [Indexed: 05/20/2023]
Abstract
Heavy metal ions such as cobalt (Co), copper (Cu), iron (Fe), manganese (Mn), molybdenum (Mo), nickel (Ni), and zinc (Zn) are considered essential/beneficial for optimal plant growth, development, and productivity. However, these ions readily impact functions of many enzymes and proteins, halt metabolism, and exhibit phytotoxicity at supra-optimum supply. Nevertheless, the concentrations of these heavy metal ions are increasing in agricultural soils worldwide via both natural and anthropogenic sources that need immediate attention. Considering recent breakthroughs on Co, Cu, Fe, Mn, Mo, Ni, and Zn in soil-plant system, the present paper: (a) overviews the status in soils and their uptake, transport, and significance in plants; (b) critically discusses their elevated level-mediated toxicity to both plant growth/development and cell/genome; (c) briefly cross talks on the significance of potential interactions between previous plant-beneficial heavy metal ions in plants; and (d) highlights so far unexplored aspects in the current context.
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Affiliation(s)
- Naser A Anjum
- Centre for Environmental and Marine Studies (CESAM) and Department of Chemistry, University of Aveiro, 3810-193, Aveiro, Portugal,
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Kaur G, Singh HP, Batish DR, Kohli RK. Pb-inhibited mitotic activity in onion roots involves DNA damage and disruption of oxidative metabolism. ECOTOXICOLOGY (LONDON, ENGLAND) 2014; 23:1292-1304. [PMID: 25023386 DOI: 10.1007/s10646-014-1272-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 06/07/2014] [Indexed: 06/03/2023]
Abstract
Plant responses to abiotic stress significantly affect the development of cells, tissues and organs. However, no studies correlating Pb-induced mitotic inhibition and DNA damage and the alterations in redox homeostasis during root division per se were found in the literature. Therefore, an experiment was conducted to evaluate the impact of Pb on mitotic activity and the associated changes in the oxidative metabolism in onion roots. The cytotoxic effect of Pb on cell division was assessed in the root meristems of Allium cepa (onion). The mitotic index (MI) was calculated and chromosomal abnormalities were sought. Pb-treatment induced a dose-dependent decrease in MI in the onion root tips and caused mitotic abnormalities such as distorted metaphase, fragments, sticky chromosomes, laggards, vagrant chromosomes and bridges. Single Cell Gel Electrophoresis was also performed to evaluate Pb induced genotoxicity. It was accompanied by altered oxidative metabolism in the onion root tips suggesting the interference of Pb with the redox homeostasis during cell division. There was a higher accumulation of malondialdehyde, conjugated dienes and hydrogen peroxide, and a significant increase in the activities of superoxide dismutases, ascorbate peroxidases, guaiacol peroxidases and glutathione reductases in Pb-treated onion roots, whereas catalases activity exhibited a decreasing pattern upon Pb exposure. The study concludes that Pb-induced cytotoxicity and genotoxicity in the onion roots is mediated through ROS and is also tightly linked to the cell cycle. The exposure to higher concentrations arrested cell cycle leading to cell death, whereas different repair responses are generated at lower concentrations, thereby allowing the cell to complete the cell cycle.
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Affiliation(s)
- Gurpreet Kaur
- Department of Environment Studies, Panjab University, Chandigarh, 160014, India
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