Integrative approach gives new insights into combined Cd/Cu exposure in tobacco

Majsec, Kristina; Cvjetko, Petra; Tolić, Sonja; Tkalec, Mirta; Balen, Biljana; Pavlica, Mirjana

doi:10.1007/s11738-016-2158-y

Cited by 14 publications

(4 citation statements)

References 44 publications

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“…Thus, treatment with Cu+Pb has an antagonistic impact on lettuce germination compared to Cu or Pb alone. Earlier studies also found opposing impacts of coexisting heavy metals on plant growth and physiological performance (Majsec et al 2016;Murtaza et al 2017;Wang et al 2018e). This result did not support our second hypothesis.…”

Section: Discussioncontrasting

confidence: 97%

“…The antagonistic impacts on lettuce germination triggered by Cu+Pb might be induced by the counterbalancing impacts of one type of heavy metal on the absorption of another type of heavy metal. A possible reason for this is that accumulation of one heavy metal in a plant can be negatively impacted by the appearance of another heavy metal (Majsec et al 2016; Wang et al 2018e; Zou et al 2019).…”

Section: Discussionmentioning

confidence: 99%

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Heavy metal pollution improves allelopathic effects of Canada goldenrod on lettuce germination

Wei

Shu

et al. 2020

Plant Biol J

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• Large amounts of heavy metals have been released into the environment. Thus, the allelopathic effects of invasive alien species on the germination performance of cooccurring indigenous species may be altered or even heightened with the rapid growth in heavy metal pollution. • This study evaluated the impacts of Canada goldenrod (Solidago canadensis L.) leaf extracts at concentrations of 0, 10 or 20 gl 1 on the germination of lettuce under different forms of heavy metal pollution (Cu 2+ , Pb 2+ or a combination of Cu 2+ and Pb 2+ ; 35 mgl 1) during incubation in Petri dishes for 10 days. • Goldenrod leaf extracts (high concentration) reduced growth of aboveground and belowground parts of lettuce as well as competition for light and soil nutrients. However, low concentrations of goldenrod leaf extracts dramatically improved growth of lettuce roots, competition for light, soil nutrient availability, leaf photosynthetic area and growth competitiveness. The combination of goldenrod leaf extracts and heavy metal pollution was synergistic on most lettuce germination parameters, probably because high concentrations of goldenrod leaf extracts together with heavy metal pollution had a synergistic negative impact on lettuce germination. • Consequently, increased levels of heavy metal pollution may favour invasion of invasive alien species while largely suppressing germination of indigenous species.

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Section: Discussioncontrasting

confidence: 97%

Section: Discussionmentioning

confidence: 99%

Heavy metal pollution improves allelopathic effects of Canada goldenrod on lettuce germination

Wei

Shu

et al. 2020

Plant Biol J

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“…Stem Cu concentrations (Table 6 ) matched with the range of shoot Cu concentrations reported in Kolbas et al ( 2020 ) for the BaG tobacco cultivar grown in field plots with a Cu/PAH-contaminated soil. According to Majsec et al ( 2016 ), Cd and Cu can influence each other uptake, with Cu reducing Cd translocation to tobacco shoots. Cadmium accumulation in the tobacco leaves would depend on a coordination of Cd transport, including less cell wall binding, weaker impediment by the Casparian strip, and efficient xylem loading (Huang et al 2021 ).…”

Section: Resultsmentioning

confidence: 99%

Potential ability of tobacco (Nicotiana tabacum L.) to phytomanage an urban brownfield soil

Lodovico

Marchand

Oustrière

et al. 2021

Environ Sci Pollut Res

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“…142 HMA Family: HMAs typically participate in Cd translocation and detoxification. 143 In addition to the previously mentioned OsHMA3 responsible for Cd transportation into the vacuole, 141,142 HMA2 and HMA4 are also key transporters for transporting Cd from the root to the shoot. 144,145 OsHMA2, an efflux metal carrier located on the plasma membrane of the root stele, promotes the entry of Cd into the xylem.…”

Section: Transportationmentioning

confidence: 99%

Molecular-Assisted Breeding of Cadmium Pollution-Safe Cultivars

Ni,

Mubeen,

Leng

et al. 2023

J. Agric. Food Chem.

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Cadmium (Cd) contamination in edible agricultural products, especially in crops intended for consumption, has raised worldwide concerns regarding food safety. Breeding of Cd pollution-safe cultivars (Cd-PSCs) is an effective solution to preventing the entry of Cd into the food chain from contaminated agricultural soil. Molecular-assisted breeding methods, based on molecular mechanisms for cultivar-dependent Cd accumulation and bioinformatic tools, have been developed to accelerate and facilitate the breeding of Cd-PSCs. This review summarizes the recent progress in the research of the low Cd accumulation traits of Cd-PSCs in different crops. Furthermore, the application of molecular-assisted breeding methods, including transgenic approaches, genome editing, marker-assisted selection, whole genome-wide association analysis, and transcriptome, has been highlighted to outline the breeding of Cd-PSCs by identifying critical genes and molecular biomarkers. This review provides a comprehensive overview of the development of Cd-PSCs and the potential future for breeding Cd-PSC using modern molecular technologies.

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Integrative approach gives new insights into combined Cd/Cu exposure in tobacco

Cited by 14 publications

References 44 publications

Heavy metal pollution improves allelopathic effects of Canada goldenrod on lettuce germination

Heavy metal pollution improves allelopathic effects of Canada goldenrod on lettuce germination

Potential ability of tobacco (Nicotiana tabacum L.) to phytomanage an urban brownfield soil

Molecular-Assisted Breeding of Cadmium Pollution-Safe Cultivars

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