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Liu P, Li L, Ippolito JA, Xing W, Wang Y, Wang Y, Cheng Y, Qiu K. Heavy metal distribution in wheat plant components following foliar Cd application. CHEMOSPHERE 2023; 322:138177. [PMID: 36806811 DOI: 10.1016/j.chemosphere.2023.138177] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 01/16/2023] [Accepted: 02/16/2023] [Indexed: 06/18/2023]
Abstract
Atmospheric deposition of Cd, from anthropogenic activities, can be directly deposited onto and absorbed into wheat plants, yet, how foliar absorbed Cd is translocated in wheat plants is not well understood. A pot experiment investigated foliar Cd application on the accumulation and distribution of heavy metals in various wheat parts. Wheat was grown in a Cd/heavy metal contaminated soil, and from grain heading to the filling stage, 0, 10, 20, 30 and 40 mg kg-1 Cd solution was sprayed repeatedly on leaves (grain heads were covered). Foliar Cd application had no effect on grain yield and Cd concentration (3.01-3.51 mg kg-1 for all treatments), while increased flag leaf blade and sheath Cd concentrations by 1.06-2.77 and 0.00-0.66 times, respectively. Cadmium concentration in the center of the peduncle, from the 40 mg kg-1 Cd solution treatment, was 1.41 times that of the control (10.3 vs 7.30 mg kg-1). Foliar Cd application also increased Cd accumulation (concentration × mass) of the flag leaf blade and sheath. Rachis and grain Pb concentrations were reduced, while stem Pb concentration was increased by Cd application. Cadmium application negatively affected whole plant Ni accumulation and concentration of certain wheat parts; Ni absorption inhibition may have occurred in roots via the downward transport of Cd. Overall results implied that the predominant portion of foliar applied Cd was retained in leaves, while lesser portions migrated to peduncle or root and affected the absorption/distribution of other metals in wheat plants. These results are important for further discerning the mechanism of wheat grain Cd accumulation, especially when grain is raised in areas where atmospheric deposition of Cd (e.g., near smelting facilities) is an issue from an environmental and human health perspective.
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Affiliation(s)
- Pengkun Liu
- School of the Environment, Henan University of Technology, Zhengzhou, Henan, 450001, China; Henan International Joint Laboratory of Environmental Pollution, Remediation and Grain Quality Security, Zhengzhou, Henan, 450001, China
| | - Liping Li
- School of the Environment, Henan University of Technology, Zhengzhou, Henan, 450001, China; Henan International Joint Laboratory of Environmental Pollution, Remediation and Grain Quality Security, Zhengzhou, Henan, 450001, China.
| | - James A Ippolito
- Department of Soil and Crop Sciences, Colorado State University, Fort Collins, CO, 80523-1170, USA; Henan International Joint Laboratory of Environmental Pollution, Remediation and Grain Quality Security, Zhengzhou, Henan, 450001, China
| | - Weiqin Xing
- School of the Environment, Henan University of Technology, Zhengzhou, Henan, 450001, China; Henan International Joint Laboratory of Environmental Pollution, Remediation and Grain Quality Security, Zhengzhou, Henan, 450001, China
| | - Yali Wang
- School of the Environment, Henan University of Technology, Zhengzhou, Henan, 450001, China; Henan International Joint Laboratory of Environmental Pollution, Remediation and Grain Quality Security, Zhengzhou, Henan, 450001, China
| | - Yale Wang
- School of the Environment, Henan University of Technology, Zhengzhou, Henan, 450001, China; Henan International Joint Laboratory of Environmental Pollution, Remediation and Grain Quality Security, Zhengzhou, Henan, 450001, China
| | - Yongxia Cheng
- Jiyuan Ecological and Environmental Monitoring Center of Henan Province, Jiyuan, Henan, 459000, China
| | - Kunyan Qiu
- Jiyuan Ecological and Environmental Monitoring Center of Henan Province, Jiyuan, Henan, 459000, China
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Ma X, Ran J, Mei G, Hou X, You X. Cloning and Functional Analysis of NoMYB60 Gene Involved in Flavonoid Biosynthesis in Watercress ( Nasturtium officinale R. Br.). Genes (Basel) 2022; 13:2109. [PMID: 36421784 PMCID: PMC9690578 DOI: 10.3390/genes13112109] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 10/31/2022] [Accepted: 11/10/2022] [Indexed: 06/30/2024] Open
Abstract
The MYB60 gene belongs to the R2R3-MYB subfamily, which includes the MYB31/30/96/94 genes. Although these genes have been shown to respond to heat and drought stresses, their role in flavonoid synthesis remains unclear. In this study, NoMYB60 was cloned from watercress and its structure and function were analyzed. Sequence structure analysis showed that NoMYB60 had a highly conserved R2R3 DNA-binding region at the N-terminus. Under the treatment of ABA, SA or MeJA, the expression level of NoMYB60 first significantly increased and then decreased, indicating that ABA, SA and MeJA positively regulated NoMYB60. The subcellular localization of NoMYB60-GFP indicated that NoMYB60 was localized in the nuclear region, which is consistent with the molecular characterization of the transcription factor. Gene silencing experiments were also performed to further test the function of NoMYB60. The result showed that virus-induced silencing of NoMYB60 affected the expression of enzyme genes in flavonoid synthesis pathways and promoted the synthesis of flavonoids. Moreover, we discovered that NoMYB60 interacts with NoBEH1/2. In this study, provides a reference for research on the regulation mechanism of flavonoid synthesis in Cruciferae and other crops.
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Affiliation(s)
- Xiaoqing Ma
- State Key Laboratory of Crop Genetics & Germplasm Enhancement, Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (East China), Ministry of Agriculture and Rural Affairs of China, Engineering Research Center of Germplasm Enhancement and Utilization of Horticultural Crops, Ministry of Education of China, Nanjing Agricultural University, Nanjing 210095, China
- Nanjing Suman Plasma Engineering Research Institute, Nanjing Agricultural University, Nanjing 210095, China
| | - Jiajun Ran
- State Key Laboratory of Crop Genetics & Germplasm Enhancement, Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (East China), Ministry of Agriculture and Rural Affairs of China, Engineering Research Center of Germplasm Enhancement and Utilization of Horticultural Crops, Ministry of Education of China, Nanjing Agricultural University, Nanjing 210095, China
- Nanjing Suman Plasma Engineering Research Institute, Nanjing Agricultural University, Nanjing 210095, China
| | - Guihu Mei
- State Key Laboratory of Crop Genetics & Germplasm Enhancement, Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (East China), Ministry of Agriculture and Rural Affairs of China, Engineering Research Center of Germplasm Enhancement and Utilization of Horticultural Crops, Ministry of Education of China, Nanjing Agricultural University, Nanjing 210095, China
- Nanjing Suman Plasma Engineering Research Institute, Nanjing Agricultural University, Nanjing 210095, China
| | - Xilin Hou
- State Key Laboratory of Crop Genetics & Germplasm Enhancement, Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (East China), Ministry of Agriculture and Rural Affairs of China, Engineering Research Center of Germplasm Enhancement and Utilization of Horticultural Crops, Ministry of Education of China, Nanjing Agricultural University, Nanjing 210095, China
- Nanjing Suman Plasma Engineering Research Institute, Nanjing Agricultural University, Nanjing 210095, China
| | - Xiong You
- College of Sciences, Nanjing Agricultural University, Nanjing 210095, China
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An Overview of Soil and Soilless Cultivation Techniques—Chances, Challenges and the Neglected Question of Sustainability. PLANTS 2022; 11:plants11091153. [PMID: 35567154 PMCID: PMC9102199 DOI: 10.3390/plants11091153] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 04/01/2022] [Accepted: 04/21/2022] [Indexed: 11/21/2022]
Abstract
Resources such as fertile soil and clean water are already limited in many parts of the world. Additionally, the conventional use of arable land is becoming increasingly difficult, which is further exacerbated by climate change. Soilless cultivation systems do not only offer the opportunity to save water and cultivate without soil but also the chance to open up urban areas such as residential rooftops for food production in close proximity to consumers. In this review, applications of soilless farming systems are identified and compared to conventional agriculture. Furthermore, aspects of economic viability, sustainability and current developments are investigated. An insight into the most important soilless farming systems—hydroponics, aquaponics and vertical farming—is provided. The systems are then differentiated from each other and, as far as possible, evaluated in terms of their environmental impact and compared with conventional cultivation methods. Comparing published data analyzing the yield of hydroponic cultivation systems in comparison to soil-based cultivation methods enables a basic overview of the profitability of both methods and, thus, lays the foundation for future research and practical applications. The most important inert substrates for hydroponic applications are presented, and their degree of sustainability is compared in order to emphasize environmental impacts and affect substrate selections of future projects. Based on an assessment of the most important soilless cultivation systems, the challenges and developments of current techniques are highlighted and discussed.
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Effect of Cadmium Toxicity on Growth, Oxidative Damage, Antioxidant Defense System and Cadmium Accumulation in Two Sorghum Cultivars. PLANTS 2020; 9:plants9111575. [PMID: 33203059 PMCID: PMC7696962 DOI: 10.3390/plants9111575] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 11/11/2020] [Indexed: 12/14/2022]
Abstract
Heavy metal stress is a leading environmental issue reducing crop growth and productivity, particularly in arid and semi-arid agro-ecological zones. Cadmium (Cd), a non-redox heavy metal, can indirectly increase the production of reactive oxygen species (ROS), inducing cell death. A pot experiment was conducted to investigate the effects of different concentrations of Cd (0, 5, 25, 50, 100 µM) on physiological and biochemical parameters in two sorghum (Sorghum bicolor L.) cultivars: JS-2002 and Chakwal Sorghum. The results showed that various concentrations of Cd significantly increased the Cd uptake in both cultivars; however, the uptake was higher in JS-2002 compared to Chakwal Sorghum in leaf, stem and root. Regardless of the cultivars, there was a higher accumulation of the Cd in roots than in shoots. The Cd stress significantly reduced the growth and increased the electrolyte leakage (EL), hydrogen peroxide (H2O2) concentration and malondialdehyde (MDA) content in both cultivars, but the Chakwal Sorghum showed more pronounced oxidative damage than the JS-2002, as reflected by higher H2O2, MDA and EL. Moreover, Cd stress, particularly 50 µM and 100 µM, decreased the activity of different antioxidant enzymes, including superoxide dismutase (SOD), peroxidase (POD), and catalase (CAT). However, the JS-2002 exhibited higher SOD, POD and CAT activities than the Chakwal Sorghum under different Cd-levels. These findings revealed that JS-2002 had a stronger Cd enrichment capacity and also exhibited a better tolerance to Cd stress due to its efficient antioxidant defense system than Chakwal Sorghum. The present study provides the available information about Cd enrichment and tolerance in S. bicolor, which is used as an important agricultural crop for livestock feed in arid and semi-arid regions.
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Khan MA, Wani GA, Majid H, Farooq FU, Reshi ZA, Husaini AM, Shah MA. Differential Bioaccumulation of Select Heavy Metals from Wastewater by Lemna minor. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2020; 105:777-783. [PMID: 33044567 DOI: 10.1007/s00128-020-03016-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Accepted: 10/06/2020] [Indexed: 06/11/2023]
Abstract
The capacity of Lemna minor to remediate toxic heavy metals from wastewater is reasonably well documented. In view of the pivotal role of this species in the environmental clean-up, here we evaluated the bioaccumulation potential of L. minor for cadmium (Cd), lead (Pb), and nickel (Ni) through a controlled experiment. L. minor tolerated the metals Cd, Ni, and Pb up to 0.5, 5, and 8 mg/L, respectively, and beyond these concentrations the toxicity symptoms appeared. Bio-concentration factor varied at different concentrations of heavy metals tested. Overall, L. minor showed good phytoremediation potential for all the three tested heavy metals (Cd, Ni, and Pb), though in relative terms it was more effective in extracting Ni and Cd, as compared to Pb, both in single and mixed concentrations. In view of the growing pollution in Kashmir Himalayan aquatic habitats the phytoremediation by invasive species such as L. minor promises to be one of the best choices than other native plants for cleaning up of polluted soils/water because of its fast growth rate, high abundance, easy handling, and wide distribution in Kashmir Himalayan aquatic ecosystems.
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Affiliation(s)
- Mohd Asgar Khan
- Department of Botany, University of Kashmir, Srinagar, Jammu & Kashmir, 190 006, India
| | - Gowher A Wani
- Department of Botany, University of Kashmir, Srinagar, Jammu & Kashmir, 190 006, India.
- Genome Engineering & Societal Biotechnology Lab, Division of Plant Biotechnology, Sher-E-Kashmir University of Agricultural Sciences & Technology of Kashmir, Shalimar, Srinagar, Jammu & Kashmir, 190025, India.
| | - Humeera Majid
- Department of Botany, University of Kashmir, Srinagar, Jammu & Kashmir, 190 006, India
| | - Fajroo Ul Farooq
- Department of Botany, University of Kashmir, Srinagar, Jammu & Kashmir, 190 006, India
| | - Zafar A Reshi
- Department of Botany, University of Kashmir, Srinagar, Jammu & Kashmir, 190 006, India
| | - Amjad M Husaini
- Genome Engineering & Societal Biotechnology Lab, Division of Plant Biotechnology, Sher-E-Kashmir University of Agricultural Sciences & Technology of Kashmir, Shalimar, Srinagar, Jammu & Kashmir, 190025, India
| | - Manzoor A Shah
- Department of Botany, University of Kashmir, Srinagar, Jammu & Kashmir, 190 006, India.
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Lin H, Liu J, Dong Y, Ren K, Zhang Y. Absorption characteristics of compound heavy metals vanadium, chromium, and cadmium in water by emergent macrophytes and its combinations. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:17820-17829. [PMID: 29679268 DOI: 10.1007/s11356-018-1785-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Accepted: 03/19/2018] [Indexed: 06/08/2023]
Abstract
The aim of the present study was to investigate three kinds of emergent macrophytes, i.e., Acorus calamus L., Phragmites communis Trin., and Alternanthera philoxeroides (Mart.) Griseb and their combination patterns on their removal efficiency of compound heavy metals (vanadium, chromium, and cadmium) from synthetic aqueous. The results showed that the optimal single-species for compound heavy metals removal was Acorus calamus L. and during experiment period, the average removal efficiency of V5+, Cr6+, and Cd2+ was 52.4, 46.8, and 90.0%, respectively. Combination C (the quality ratio of Acorus calamus L., Phragmites communis Trin., and Alternanthera philoxeroides (Mart.) Griseb is 2:1:1) had the highest removal efficiency on compound heavy metals among three groups and the average removal efficiency of V5+, Cr6+, and Cd2+ was 18.0, 70.0, and 95.1%, respectively. The highest efficiency of combination C on V5+ removal was lower than single Alternanthera philoxeroides (Mart.) Griseb group; this may be an existing antagonism in different plants. Heavy metals of V5+, Cr6+, and Cd2+ had an obviously positive effect on SOD, CAT, and POD of emergent macrophytes. From these results, we conclude that in a phytoremediation for the removal of compound heavy metals where V was dominated pollution in water, the use of Acorus calamus L. species rather than a mixture of several plants should be suggested. When heavy metal pollution was dominated by Cr and Cd, group C rather than a single plant species should be used.
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Affiliation(s)
- Hai Lin
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing, 100083, China
- Beijing Key Laboratory on Resource-oriented Treatment of Industrial Pollutants, Beijing, 100083, China
| | - Junfei Liu
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing, 100083, China
- Beijing Key Laboratory on Resource-oriented Treatment of Industrial Pollutants, Beijing, 100083, China
| | - Yingbo Dong
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing, 100083, China.
- Beijing Key Laboratory on Resource-oriented Treatment of Industrial Pollutants, Beijing, 100083, China.
| | - Kaiqiang Ren
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing, 100083, China
- Beijing Key Laboratory on Resource-oriented Treatment of Industrial Pollutants, Beijing, 100083, China
| | - Yu Zhang
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing, 100083, China
- Beijing Key Laboratory on Resource-oriented Treatment of Industrial Pollutants, Beijing, 100083, China
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Yan YY, Wang JJ, Lan XY, Wang QM, Xu FL. Comparisons of cadmium bioaccumulation potentials and resistance physiology of Microsorum pteropus and Echinodorus grisebachii. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:12507-12514. [PMID: 29464599 DOI: 10.1007/s11356-018-1486-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Accepted: 02/04/2018] [Indexed: 06/08/2023]
Abstract
To better monitor and remediate environments contaminated by cadmium (Cd), plants are used as hyperaccumulators or biomonitors; however, few have been identified for aquatic Cd pollution. In our study, two aquatic ornamental plants, Microsorum pteropus (Blume) Copel. and Echinodorus grisebachii Small, were studied for their Cd accumulation capacity, morphological characteristics, and leaf physiological indexes. Microsorum pteropus (Blume) Copel. leaf has the potential to hyperaccumulate Cd (166 mg/kg dry weight for 1 mg/L exposure), with no significant physiological difference under exposure. Echinodorus grisebachii Small had sensitive diagnostic responses to Cd toxicity, such as significant decreases in Chl (a + b) and Chl-a/b, increased peroxidase (POD) activity, greater malondialdehyde (MDA) content, and increased soluble sugar content. These results suggest that Microsorum pteropus (Blume) Copel. could have the potential to be a Cd hyperaccumulator, while Echinodorus grisebachii Small could serve as a biomonitor for Cd-contaminated water bodies.
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Affiliation(s)
- Yun-Yun Yan
- MOE Laboratory for Earth Surface Processes, College of Urban & Environmental Sciences, Peking University, Beijing, 100871, China
| | - Jun-Jun Wang
- MOE Laboratory for Earth Surface Processes, College of Urban & Environmental Sciences, Peking University, Beijing, 100871, China
| | - Xin-Yu Lan
- MOE Laboratory for Earth Surface Processes, College of Urban & Environmental Sciences, Peking University, Beijing, 100871, China
| | - Qing-Mei Wang
- MOE Laboratory for Earth Surface Processes, College of Urban & Environmental Sciences, Peking University, Beijing, 100871, China
| | - Fu-Liu Xu
- MOE Laboratory for Earth Surface Processes, College of Urban & Environmental Sciences, Peking University, Beijing, 100871, China.
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Ling T, Gao Q, Du H, Zhao Q, Ren J. Growing, physiological responses and Cd uptake of Corn (Zea mays L.) under different Cd supply. CHEMICAL SPECIATION & BIOAVAILABILITY 2017. [DOI: 10.1080/09542299.2017.1400924] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Tao Ling
- School of Environmental and Municipal Engineering & Institute of Environmental Ecology, Lanzhou Jiaotong University, Lanzhou, P. R. China
| | - Qiang Gao
- School of Environmental and Municipal Engineering & Institute of Environmental Ecology, Lanzhou Jiaotong University, Lanzhou, P. R. China
| | - Haolin Du
- School of Environmental and Municipal Engineering & Institute of Environmental Ecology, Lanzhou Jiaotong University, Lanzhou, P. R. China
| | - Qiancheng Zhao
- School of Environmental and Municipal Engineering & Institute of Environmental Ecology, Lanzhou Jiaotong University, Lanzhou, P. R. China
| | - Jun Ren
- School of Environmental and Municipal Engineering & Institute of Environmental Ecology, Lanzhou Jiaotong University, Lanzhou, P. R. China
- Lanzhou Kunlun Environmental Protection Co., Ltd., Lanzhou, P. R. China
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Huang K, Lin L, Chen F, Liao M, Wang J, Tang Y, Lai Y, Liang D, Xia H, Wang X, Ren W. Effects of live Myriophyllum aquaticum and its straw on cadmium accumulation in Nasturtium officinale. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:22503-22509. [PMID: 28803379 DOI: 10.1007/s11356-017-9928-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Accepted: 08/07/2017] [Indexed: 06/07/2023]
Abstract
The purpose of this study is to determine whether the allelopathy of living Myriophyllum aquaticum and its straw has the same effects; two pot experiments were conducted to study the effects of intercropping using M. aquaticum and its straw on the growth and cadmium (Cd) accumulation of Nasturtium officinale. Different planting ratios (1:3, 2:2 and 3:1) of N. officinale and M. aquaticum led to an increase in the biomass of both plant species and increased the Cd content in roots and shoots of N. officinale, but led to a reduction in the Cd content in roots and shoots of M. aquaticum. When the intercropping ratio of N. officinale and M. aquaticum was 3:1, the Cd amount in whole plants reached the maximum of 293.96 μg pot-1. Mulching the straw of M. aquaticum roots on the soil surface increased the biomass of N. officinale, but mulching the straw of M. aquaticum stems and leaves led to a decrease. Mulching the straw of roots, stems and leaves of M. aquaticum reduced Cd content and amounts in roots and shoots of N. officinale. Intercropping with M. aquaticum can improve the Cd uptake ability of N. officinale, but mulching M. aquaticum straw can reduce its Cd uptake ability.
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Affiliation(s)
- Kewen Huang
- College of Horticulture, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Lijin Lin
- Institute of Pomology and Olericulture, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Fabo Chen
- Life Science and Technology Institute, Yangtze Normal University, Chongqing, China
| | - Ming'an Liao
- College of Horticulture, Sichuan Agricultural University, Chengdu, Sichuan, China.
| | - Jin Wang
- Institute of Pomology and Olericulture, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Yi Tang
- Institute of Pomology and Olericulture, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Yunsong Lai
- Institute of Pomology and Olericulture, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Dong Liang
- Institute of Pomology and Olericulture, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Hui Xia
- Institute of Pomology and Olericulture, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Xun Wang
- Institute of Pomology and Olericulture, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Wei Ren
- Maize Research Institute, Neijiang Academy of Agricultural Sciences, Neijiang, Sichuan, China
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Geng A, Wang X, Wu L, Wang F, Chen Y, Yang H, Zhang Z, Zhao X. Arsenic accumulation and speciation in rice grown in arsanilic acid-elevated paddy soil. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2017; 137:172-178. [PMID: 27936403 DOI: 10.1016/j.ecoenv.2016.11.030] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2016] [Revised: 11/06/2016] [Accepted: 11/29/2016] [Indexed: 06/06/2023]
Abstract
P-arsanilic acid (AsA) is a emerging but less concerned contaminant used in animal feeding operations, for it can be degraded to more toxic metabolites after being excreted by animals. Rice is the staple food in many parts of the world, and also more efficient in accumulating arsenic (As) compared to other cereals. However, the uptake and transformation of AsA by rice is unclear. This study aimed to evaluate the potential risk of using AsA as a feed additive and using the AsA contaminated animal manure as a fertilizer. Five rice cultivars were grown in soil containing 100mg AsA/kg soil, after harvest, As species and their concentrations in different tissues were determined. Total As concentration of the hybrid rice cultivar was more than conventional rice cultivars for whole rice plant. For rice organs, the highest As concentration was found in roots. AsA could be absorbed by rice, partly degraded and converted to arsenite, monomethylarsonic acid, dimethylarsinic acid, arsenate. The number of As species and their concentrations in each cultivar were related to their genotypes. The soil containing 100mg AsA/kg or more is unsuitable for growing rice. The use of AsA and the disposal of animal manure requires detailed attention.
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Affiliation(s)
- Anjing Geng
- Public Monitoring Center for Agro-product of Guangdong Academy of Agricultural Sciences, Guangzhou 510640, Guangdong, People's Republic of China; Research Center of Trace Elements of Huazhong Agricultural University, Wuhan 430070, Hubei, People's Republic of China
| | - Xu Wang
- Public Monitoring Center for Agro-product of Guangdong Academy of Agricultural Sciences, Guangzhou 510640, Guangdong, People's Republic of China
| | - Lishu Wu
- Research Center of Trace Elements of Huazhong Agricultural University, Wuhan 430070, Hubei, People's Republic of China.
| | - Fuhua Wang
- Public Monitoring Center for Agro-product of Guangdong Academy of Agricultural Sciences, Guangzhou 510640, Guangdong, People's Republic of China
| | - Yan Chen
- Key Laboratory of Testing and Evaluation for Agro-Product Safety and Quality, Ministry of Agriculture, Guangzhou 510640, Guangdong, People's Republic of China
| | - Hui Yang
- Laboratory of Quality & Safety Risk Assessment for Agro-product (Guangzhou), Ministry of Agriculture, Guangzhou 510640, Guangdong, People's Republic of China
| | - Zhan Zhang
- Key Laboratory of Testing and Evaluation for Agro-Product Safety and Quality, Ministry of Agriculture, Guangzhou 510640, Guangdong, People's Republic of China
| | - Xiaoli Zhao
- Laboratory of Quality & Safety Risk Assessment for Agro-product (Guangzhou), Ministry of Agriculture, Guangzhou 510640, Guangdong, People's Republic of China
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Viktorova J, Jandova Z, Madlenakova M, Prouzova P, Bartunek V, Vrchotova B, Lovecka P, Musilova L, Macek T. Native Phytoremediation Potential of Urtica dioica for Removal of PCBs and Heavy Metals Can Be Improved by Genetic Manipulations Using Constitutive CaMV 35S Promoter. PLoS One 2016; 11:e0167927. [PMID: 27930707 PMCID: PMC5145202 DOI: 10.1371/journal.pone.0167927] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2016] [Accepted: 11/22/2016] [Indexed: 01/20/2023] Open
Abstract
Although stinging nettle (Urtica dioica) has been shown to reduce HM (heavy metal) content in soil, its wider phytoremediation potential has been neglected. Urtica dioica was cultivated in soils contaminated with HMs or polychlorinated biphenyls (PCBs). After four months, up to 33% of the less chlorinated biphenyls and 8% of HMs (Zn, Pb, Cd) had been removed. Bacteria were isolated from the plant tissue, with the endophytic bacteria Bacillus shackletonii and Streptomyces badius shown to have the most significant effect. These bacteria demonstrated not only benefits for plant growth, but also extreme tolerance to As, Zn and Pb. Despite these results, the native phytoremediation potential of nettles could be improved by biotechnologies. Transient expression was used to investigate the functionality of the most common constitutive promoter, CaMV 35S in Urtica dioica. This showed the expression of the CUP and bphC transgenes. Collectively, our findings suggest that remediation by stinging nettle could have a much wider range of applications than previously thought.
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Affiliation(s)
- Jitka Viktorova
- UCT Prague, Faculty of Food and Biochemical Technology, Department of Biochemistry and Microbiology, Technicka 3, Prague, Czech Republic
| | - Zuzana Jandova
- UCT Prague, Faculty of Food and Biochemical Technology, Department of Biochemistry and Microbiology, Technicka 3, Prague, Czech Republic
| | - Michaela Madlenakova
- UCT Prague, Faculty of Food and Biochemical Technology, Department of Biochemistry and Microbiology, Technicka 3, Prague, Czech Republic
| | - Petra Prouzova
- UCT Prague, Faculty of Food and Biochemical Technology, Department of Biochemistry and Microbiology, Technicka 3, Prague, Czech Republic
| | - Vilem Bartunek
- UCT Prague, Faculty of Chemical Technology, Department of Inorganic Chemistry, Technicka 3, Prague, Czech Republic
| | - Blanka Vrchotova
- UCT Prague, Faculty of Food and Biochemical Technology, Department of Biochemistry and Microbiology, Technicka 3, Prague, Czech Republic
| | - Petra Lovecka
- UCT Prague, Faculty of Food and Biochemical Technology, Department of Biochemistry and Microbiology, Technicka 3, Prague, Czech Republic
| | - Lucie Musilova
- UCT Prague, Faculty of Food and Biochemical Technology, Department of Biochemistry and Microbiology, Technicka 3, Prague, Czech Republic
| | - Tomas Macek
- UCT Prague, Faculty of Food and Biochemical Technology, Department of Biochemistry and Microbiology, Technicka 3, Prague, Czech Republic
- * E-mail:
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