Assessment of the availability of heavy metals to plants based on the translocation index and the bioaccumulation factor

Pachura, Piotr; Ociepa-Kubicka, Agnieszka; Skowron-Grabowska, Beata

doi:10.1080/19443994.2015.1017330

Cited by 47 publications

(30 citation statements)

References 10 publications

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“…While the TF of zinc was 1.1 ± 0.1, the TF of lead was 0.4 ± 0.1 (Table 1). A similar trend was observed by other research groups [37, 38], who explain it as an antagonistic effect of zinc on the uptake of lead. [38] also reported the same antagonistic effect of zinc on the uptake of cadmium, whose concentration in plants was practically undetectable in our experiment, in contrast to the high concentration of zinc.…”

Section: Resultssupporting

confidence: 89%

Native Phytoremediation Potential of Urtica dioica for Removal of PCBs and Heavy Metals Can Be Improved by Genetic Manipulations Using Constitutive CaMV 35S Promoter

et al. 2016

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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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Section: Resultssupporting

confidence: 89%

Native Phytoremediation Potential of Urtica dioica for Removal of PCBs and Heavy Metals Can Be Improved by Genetic Manipulations Using Constitutive CaMV 35S Promoter

et al. 2016

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“…The analysis of the data includes the determination of the bioaccumulation factor (BAC) and bioconcentration factor (BCF) which are essentially the parameters that will serve as a key measure in determining the phytoremediation potential of a plant (Pachura et al, 2015).…”

Section: Estimation Of Bioaccumulation Factorsmentioning

confidence: 99%

Copper and arsenic accumulation of Pityrogramma calomelanos, Nephrolepis biserrata, and Cynodon dactylon in Cu- and Au- mine tailings

Ancheta

Quimado

Tiburan

et al. 2020

J.Degrade.Min.Land Manage.

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Metallophytes are group of plants that can thrive on metal-rich substrate. These plants have potential in various green technologies. However, it is a must to first identify plants that can absorb heavy metals and tolerate the high concentration in their tissues. This study assessed the ability of plants thriving in a Cu-Au mined areas to uptake copper (Cu), and arsenic (As). The Cu and As content of the dried leaves, root tissues and soils were quantified using Atomic Absorption Spectrophotometer (AAS), and their bioaccumulation coefficient (BAC) were computed. Three species, Pityrogramma calomelanos, Cynodon dactylon and Nephrolepis biserrata, showed metal accumulation in the plant tissues. The three species have accumulation of Cu in the root and the estimated bioconcentration factor (BCF) is more than 1.0 which indicates the ability of these species to tolerate for said the metal hence is a good candidate for phytostabilization of polluted soils. Noteworthy was the accumulation of As in the shoot of the three species despite of the low soil As (<0.01 µg/g). Nephrolepis biserrata had the highest arsenic bioaccumulation factor of 30.91 followed by Cynodon dactylon (11.01) then Pityrogramma calomelanos (8.78) which make them potential species for clean-up of As through phytoextraction. Moreover, this study added C. dactylon as tolerant of arsenic in mined-out area in the Philippines.

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“…The TF of plants is the measurement of the ability to transfer metals from the roots to shoots [35]. This translocation depends largely on the types of metals and substrates [36]. The Bc09-inoculated plants had significantly ( p < 0.05) higher TF (13%), whereas the mixed-inoculated plants had significantly ( p < 0.05) (54%) lower TFs compared to the noninoculated Cd-control plants (Figure 2D).…”

Section: Resultsmentioning

confidence: 99%

Influence of PGPB Inoculation on HSP70 and HMA3 Gene Expression in Switchgrass under Cadmium Stress

Begum

Cai

et al. 2019

Plants

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This study aimed to evaluate the gene expression of HSP70 and HMA3 in the switchgrass inoculated with plant-growth-promoting-bacteria (PGPB) under cadmium (Cd) stress and to observe the benefit of PGPB in plant growth and development. Plants were grown in hydroponic culture and treated with PGPB inoculants: Pseudomonas grimontii, Pantoea vagans, Pseudomonas veronii, and Pseudomonas fluorescens with the strains Bc09, So23, E02, and Oj24, respectively. The experimental results revealed that HSP70 and HMA3 genes expressed highly in the PGPB-inoculated plants under Cd stress. In addition, the expression of HSP70 and HMA3 genes was considerably higher in the first two days after successive four-day exposure of Cd in plants compared to the last two days of exposure. Increased biomass and indole-3-acetic-acid production with reduced Cd accumulation were observed in the PGPB-inoculated plants under Cd stress compared to the Cd-control plants. These PGPB, with their beneficial mechanisms, protect plants by modifying the gene expression profile that arises during Cd-toxic conditions and increased the healthy biomass of switchgrass. This demonstrates there is a correlation among the growth parameters under Cd stress. The PGPB in this study may help to intensify agriculture by triggering mechanisms to encourage plant growth and development under heavy metal stress.

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Assessment of the availability of heavy metals to plants based on the translocation index and the bioaccumulation factor

Cited by 47 publications

References 10 publications

Native Phytoremediation Potential of Urtica dioica for Removal of PCBs and Heavy Metals Can Be Improved by Genetic Manipulations Using Constitutive CaMV 35S Promoter

Native Phytoremediation Potential of Urtica dioica for Removal of PCBs and Heavy Metals Can Be Improved by Genetic Manipulations Using Constitutive CaMV 35S Promoter

Copper and arsenic accumulation of Pityrogramma calomelanos, Nephrolepis biserrata, and Cynodon dactylon in Cu- and Au- mine tailings

Influence of PGPB Inoculation on HSP70 and HMA3 Gene Expression in Switchgrass under Cadmium Stress

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