Article
Plant Sciences
Efrain Tovar-Sanchez, Cynthia Margarita Concepcion-Acosta, Ayixon Sanchez-Reyes, Ricardo Sanchez-Cruz, Jorge Luis Folch-Mallol, Patricia Mussali-Galante
Summary: Heavy metal pollution is a global environmental and human health problem. The endophytic fungus Aspergillus luchuensis C7 isolated from the roots of Prosopis laevigata in Morelos, Mexico showed high tolerance to Cu, Zn and Pb, and promoted the growth of P. laevigata, indicating its potential as a novel, effective and sustainable bioremediation strategy for copper-polluted soils.
Article
Plant Sciences
Irene Chamba-Eras, Daniel M. Griffith, Carolina Kalinhoff, Jorge Ramirez, Manuel Jesus Gazquez
Summary: Gold mining in tropical forests of southern Ecuador releases heavy metals that circulate and accumulate, making restoration and rehabilitation of degraded mining sites crucial. This study highlights the potential of two native woody plants in accumulating cadmium, lead, zinc, and mercury, providing insights for phytoremediation strategies.
Article
Environmental Sciences
Patricia Mussali-Galante, Miguel Santoyo-Martinez, Maria Luisa Castrejon-Godinez, Luz Breton-Deval, Alexis Rodriguez-Solis, Leticia Valencia-Cuevas, Efrain Tovar-Sanchez
Summary: This study evaluates the bioaccumulation capacity of different heavy metals in the roots and leaves of G. sepium, and the effect of such bioaccumulation on its morphological characters. The results showed that G. sepium has the potential for phytoremediation of soils contaminated with heavy metals, and the ability to establish and flourish in polluted sites.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Environmental Sciences
Parul Sundha, Nirmalendu Basak, Arvind Kumar Rai, Priyanka Chandra, Sandeep Bedwal, Gajender Yadav, Rajender Kumar Yadav, Parbodh Chander Sharma
Summary: This study investigates the physicochemical properties and heavy metal variations in sludge from sewage treatment plants in industrial and non-industrial cities in Haryana, India. The results show that the sludge from industrial sites has higher concentrations of Cd, Ni, and Cr, and poses a higher ecological risk compared to sludge from non-industrial sites. pH, total carbon, and phosphorus are important factors controlling the binding and removal of heavy metals in sludge.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2022)
Article
Agronomy
Violeta Mickovski Stefanovic, Svetlana Roljevic Nikolic, Mirela Matkovic Stojsin, Helena Majstorovic, Mladen Petres, Dejan Cvikic, Gordana Racic
Summary: This study analyzed the influence of distance from the industrial zone on the heavy metal content in wheat soil and plants. The results showed that the highest levels of heavy metals in the soil were found in the location closest to the industrial zone, and the highest level of lead was found in a location near a road. The study also found differences in heavy metal content among different wheat genotypes.
Review
Plant Sciences
Arun K. Pandey, Lana Zoric, Ting Sun, Dunja Karanovic, Pingping Fang, Milan Borisev, Xinyang Wu, Jadranka Lukovic, Pei Xu
Summary: Rapid industrialization, urbanization, and mine tailings runoff have resulted in heavy metal contamination of agricultural land, hindering crop growth and productivity. Phytoremediation and plant growth-promoting rhizobacteria (PGPR) are potential methods for protecting plants and agricultural land from heavy metal pollution. Understanding the anatomical structure of plants, particularly legumes, can enhance soil detoxification by phytoremediation processes. This review focuses on the uptake and transport of heavy metals by legume plants and the role of rhizospheric organisms in facilitating heavy metal uptake.
Article
Environmental Studies
Encarna Merlo, Antonio J. Mendoza-Fernandez, Esteban Salmeron-Sanchez, Fabian Martinez-Hernandez, Andrea Ortiz-ubeda, Juan Mota
Summary: The study focused on understanding the ionome of a characteristic dolomite species and its applications in terms of nutritional behavior and factors favoring rich and rare flora on dolomitic soils. It found that the species could accumulate potentially phytotoxic elements and transport them from roots to aerial parts of the plant, indicating potential bioindicator or phytoremediation capacity in the plant community.
Article
Engineering, Environmental
Shaoting Du, Qi Lu, Lijuan Liu, Yu Wang, Jiaxin Li
Summary: The study found that catabolizing abscisic acid (ABA) in hyperaccumulating plants via rhizobacteria can significantly increase the uptake efficiency of heavy metals, potentially providing a promising strategy for enhancing phytoremediation efficacy in HM-contaminated soils.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Environmental Sciences
Mansi Bakshi, Arun Kumar
Summary: This study evaluated the feasibility of using titanium dioxide nanoparticles (TiO2 NPs) along with Brassica juncea L. for effective removal of Cadmium (Cd) from the soil. The results showed that TiO2 NPs enhanced the tolerance of plants to Cd and promoted plant growth and photosynthetic activity. The application of TiO2 NPs at different concentrations significantly increased Cd removal from the soil. Therefore, the combination of nanoparticles and phytoremediation has great potential for the remediation of contaminated soil.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2023)
Article
Environmental Sciences
Christopher Beals, Hannah King, Ginger Bailey
Summary: We investigated the effects of copper and lead on the antioxidant enzyme response of two plant species, Alternanthera philoxeroides and Nasturtium officinale, by using a benchtop luminometer. Our results showed that A. philoxeroides was not affected by increasing concentrations of copper and lead, while the antioxidant enzyme response of N. officinale increased significantly when exposed to 10 and 25 ppm lead. A higher concentration of endogenous peroxidases was found in A. philoxeroides compared to N. officinale. We hypothesize that this higher concentration may be a mechanism used by hyperaccumulator plants to tolerate toxic levels of copper and lead.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Review
Biology
Gui-Li Yang, Meng-Meng Zheng, Ai-Juan Tan, Yu-Ting Liu, Dan Feng, Shi-Ming Lv
Summary: This article discusses the mechanisms of Cd absorption, transportation, and enrichment in plants, as well as the detoxification processes in hyperaccumulators. Research indicates that these plants have the potential to be effective candidates for heavy metal pollution restoration.
Article
Environmental Sciences
Mathiyazhagan Narayanan, Devarajan Natarajan, Gajendiran Kandasamy, Sabariswaran Kandasamy, Rajasree Shanmuganathan, Arivalagan Pugazhendhi
Summary: This research investigates the phytoremediation capability of short-term cereal crops on mine tailings, showing that some crops can remove metals from tailings within 56 days. The results also raise concerns about the possibility of metals entering human and animal bodies through consumption of crops cultivated in metal-polluted soil.
Article
Plant Sciences
Yong Zhang, Shangjun Zhao, Sijia Liu, Jing Peng, Hanchao Zhang, Qiming Zhao, Luqing Zheng, Yahua Chen, Zhenguo Shen, Xihui Xu, Chen Chen
Summary: This study demonstrates that the symbiosis with a heavy metal-tolerant bacterium PGP15 can enhance the accumulation of cadmium in the hyperaccumulator Solanum nigrum while reducing cadmium-induced stress. The genome analysis of PGP15 provides insights into the mechanisms underlying plant growth promotion by heavy metal-tolerant bacteria.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Forestry
Svetlana Bakhtina, Yulai Yanbaev, Aleksey Kulagin, Nina Redkina, Ilgam Masalimov, Shamil Fayzrakhmanov
Summary: The mining industry has caused the contamination of heavy metals in the environment, with Scots pine showing potential in cleaning polluted lands. However, the lack of nutrients has limited the growth of the trees. Further studies are needed to maximize the effectiveness of natural recovery in industrial lands.
JOURNAL OF FORESTRY RESEARCH
(2021)
Article
Environmental Sciences
Marko Flajsman, Katarina Kosmelj, Helena Grcman, Darja Kocjan Acko, Marko Zupan
Summary: Hemp has been extensively studied for phytoremediation purposes, but practical assessments in real environmental conditions are lacking. This study tested two industrial hemp varieties in heavy metal-polluted agricultural soil and found that the content of heavy metals in soil influences their accumulation in plants. Results showed that hemp is not efficient for phytomanagement, but cultivation in heavy metal-polluted soil seems feasible as most tissues/organs were not contaminated and various products can be obtained from different parts of the hemp plant.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)