Agronomic Crop Responses and Tolerance to Polycyclic Aromatic Hydrocarbon Toxicity

Houshani, Mahdieh; Salehi-Lisar, Seyed Yahya

doi:10.1007/978-981-15-0025-1_15

Cited by 10 publications

(10 citation statements)

References 98 publications

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“…LMW pollutants enter the leaves through the stomata, while HMWs enter the leaves more through the cuticle. However, leaves exhibit higher selectivity in absorbing substances compared to roots, mainly due to the protective barrier provided by the leaf cuticle. , …”

Section: Uptake and Translocation And The Fate Of Pahs In Plantsmentioning

confidence: 99%

“…These lipid components enable easier absorption of lipophilic pollutants. 53 Researchers established various studies to distinguish between passive and active processes and clarify which way is more responsible for PAHs uptake. Initial beliefs suggested that PAHs were absorbed passively, but later studies revealed their uptake through a carrier-mediated process.…”

Section: Uptake and Translocation And The Fate Of Pahs In Plantsmentioning

confidence: 99%

“…20,49 Due to leaves being covered with wax and lipophilic cuticles, organic pollutants such as PAHs can penetrate leaves through stomata or trans-cuticle absorption. 53,86 The rate of such absorption depends on the compound's n-octanol/water partition coefficient (K OW ), indicating its lipophilicity. LMW pollutants enter the leaves through the stomata, while HMWs enter the leaves more through the cuticle.…”

Section: Uptake and Translocation And The Fate Of Pahs In Plantsmentioning

confidence: 99%

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Transfer and Degradation of PAHs in the Soil–Plant System: A Review

Tarigholizadeh,

Sushkova,

Rajput

et al. 2023

J. Agric. Food Chem.

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Polycyclic aromatic hydrocarbons (PAHs) are highly toxic, persistent organic pollutants that threaten ecosystems and human health. Consistent monitoring is essential to minimize the entry of PAHs into plants and reduce food chain contamination. PAHs infiltrate plants through multiple pathways, causing detrimental effects and triggering diverse plant responses, ultimately increasing either toxicity or tolerance. Primary plant detoxification processes include enzymatic transformation, conjugation, and accumulation of contaminants in cell walls/vacuoles. Plants also play a crucial role in stimulating microbial PAHs degradation by producing root exudates, enhancing bioavailability, supplying nutrients, and promoting soil microbial diversity and activity. Thus, synergistic plant−microbe interactions efficiently decrease PAHs uptake by plants and, thereby, their accumulation along the food chain. This review highlights PAHs uptake pathways and their overall fate as contaminants of emerging concern (CEC). Understanding plant uptake mechanisms, responses to contaminants, and interactions with rhizosphere microbiota is vital for addressing PAH pollution in soil and ensuring food safety and quality.

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Section: Uptake and Translocation And The Fate Of Pahs In Plantsmentioning

confidence: 99%

Section: Uptake and Translocation And The Fate Of Pahs In Plantsmentioning

confidence: 99%

Section: Uptake and Translocation And The Fate Of Pahs In Plantsmentioning

confidence: 99%

See 1 more Smart Citation

Transfer and Degradation of PAHs in the Soil–Plant System: A Review

Tarigholizadeh,

Sushkova,

Rajput

et al. 2023

J. Agric. Food Chem.

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“…According to the national survey of soil pollution status, PAHs are major organic pollutants of soil in China [5]. Thus there is an urgent need to understand how PAHs in agricultural soils affect crop growth and potential health risks [6,7].…”

Section: Introductionmentioning

confidence: 99%

“…However, some studies have reported that PAHs had no effect on plant growth, or that even promoted it [12][13][14]. These inconsistent findings could be related to several factors, including oxidation reactions, hydrolysis, pollutantdegrading endophytes in plants [15], soil PAH levels [12], duration of exposure [7], and soil properties [16]. However, it has not yet been established whether it is only the direct effects of PAHs that inhibit or promote plant growth or whether these compounds may have some other indirect effects.…”

Section: Introductionmentioning

confidence: 99%

Effect of pyrene-induced changes in root activity on growth of Chinese cabbage (Brassica campestris L.), and the health risks caused by pyrene in Chinese cabbage at different growth stages

Yang

Liu

et al. 2022

Chem. Biol. Technol. Agric.

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Background Polycyclic aromatic hydrocarbons (PAHs) pose a potential risk to ecological safety and human health. They have a range of effects on plant growth and there have been few reports on the health risks associated with ingestion of vegetable crops at different growth stages. Methodology In this study, a pot experiment in which Chinese cabbage (Brassica campestris L.) were grown in a greenhouse for 75 days was used to investigate the dose–effect relationship of pyrene with plant growth and also the exposure risk for adults of ingestion of Chinese cabbage at different growth stages. Results The results showed that low doses of pyrene (5–45 mg kg−1) promoted plant growth (20–220% and 55–97% higher than control treatment for the root biomass and shoot biomass, respectively), but significant inhibition was observed at a high dose (405 mg kg−1) (41–66% and 43–91% lower than control treatment for the root biomass and shoot biomass, respectively). High doses of pyrene reduced soil bacterial abundance and diversity during the growth of Chinese cabbage, and increased malondialdehyde (MDA) levels in the plant. The effects of pyrene on plant biomass were mainly attributed to changes in root activity induced by pyrene, as the relationship between soil pyrene concentration and biomass was similar to that between soil pyrene concentration and root activity. Furthermore, structural equation modeling analysis showed that pyrene altered growth of the vegetable by directly affecting root activity. The incremental lifetime cancer risk for adults is highest for ingestion of Chinese cabbage at the seedling stage, followed in decreasing order by the rosette stages and heading stages. Conclusions The health risk of consumers who have the possibility to ingest the Chinese cabbage planted in pyrene-contaminated soil would be decreased with the increasing growth periods. However, further studies are required to confirm the dose–effect relationship between pyrene concentration and Chinese cabbage growth on a field scale. Graphical Abstract

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Arbuscular Mycorrhizal Fungi and Higher Plants

2024

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Agronomic Crop Responses and Tolerance to Polycyclic Aromatic Hydrocarbon Toxicity

Cited by 10 publications

References 98 publications

Transfer and Degradation of PAHs in the Soil–Plant System: A Review

Transfer and Degradation of PAHs in the Soil–Plant System: A Review

Effect of pyrene-induced changes in root activity on growth of Chinese cabbage (Brassica campestris L.), and the health risks caused by pyrene in Chinese cabbage at different growth stages

Arbuscular Mycorrhizal Fungi and Higher Plants

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