Insights into factors driving the transmission of antibiotic resistance from sludge compost-amended soil to vegetables under cadmium stress

Wei, Huawei; Sheng, Ding; Qiao, Ziru; Su, Yinglong; Xie, Bing

doi:10.1016/j.scitotenv.2020.138990

Cited by 37 publications

(6 citation statements)

References 67 publications

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“…Reducing microbial contamination of such fresh produce remains an important food safety challenge (Murray et al, 2017). While washing and peeling may reduce the risk of surface contamination, resistance determinants can also be internalized from the surrounding soil through the roots of the plant via microbiota associated with plant tissues (endophytes) or enter plant tissues through the stem or open wounds (Yang et al, 2016;Wei et al, 2020). In some cases, water used for washing may contribute to surface contamination when untreated or re-used wash water is applied to produce in the post-harvest stage (Richter et al, 2020).…”

Section: Transmission Of Arb and Arg To Cropsmentioning

confidence: 99%

Characteristics and Global Occurrence of Human Pathogens Harboring Antimicrobial Resistance in Food Crops: A Scoping Review

Brunn

Kadri-Alabi

Moodley

et al. 2022

Front. Sustain. Food Syst.

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BackgroundThe role of the crop environment as a conduit for antimicrobial resistance (AMR) through soil, water, and plants has received less attention than other sectors. Food crops may provide a link between the agro-environmental reservoir of AMR and acquisition by humans, adding to existing food safety hazards associated with microbial contamination of food crops.ObjectivesThe objectives of this review were: (1) to use a systematic methodology to characterize AMR in food crop value chains globally, and (2) to identify knowledge gaps in understanding exposure risks to humans.MethodsFour bibliographic databases were searched using synonyms of AMR in food crop value chains. Following two-stage screening, phenotypic results were extracted and categorized into primary and secondary combinations of acquired resistance in microbes of concern based on established prioritization. Occurrence of these pathogen-AMR phenotype combinations were summarized by sample group, value chain stage, and world region. Sub-analyses on antimicrobial resistance genes (ARG) focused on extended-spectrum beta-lactamase and tetracycline resistance genes.ResultsScreening of 4,455 citations yielded 196 studies originating from 49 countries, predominantly in Asia (89 studies) and Africa (38). Observations of pathogen-phenotype combinations of interest were reported in a subset of 133 studies (68%). Primary combinations, which include resistance to antimicrobials of critical importance to human medicine varied from 3% (carbapenem resistance) to 13% (fluoroquinolones), whereas secondary combinations, which include resistance to antimicrobials also used in agriculture ranged from 14% (aminoglycoside resistance) to 20% (aminopenicillins). Salad crops, vegetables, and culinary herbs were the most sampled crops with almost twice as many studies testing post-harvest samples. Sub-analysis of ARG found similar patterns corresponding to phenotypic results.DiscussionThese results suggest that acquired AMR in opportunistic and obligate human pathogens is disseminated throughout food crop value chains in multiple world regions. However, few longitudinal studies exist and substantial heterogeneity in sampling methods currently limit quantification of exposure risks to consumers. This review highlights the need to include agriculturally-derived AMR in monitoring food safety risks from plant-based foods, and the challenges facing its surveillance.

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Section: Transmission Of Arb and Arg To Cropsmentioning

confidence: 99%

Characteristics and Global Occurrence of Human Pathogens Harboring Antimicrobial Resistance in Food Crops: A Scoping Review

Brunn

Kadri-Alabi

Moodley

et al. 2022

Front. Sustain. Food Syst.

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“…The soils were air-dried and sieved through a 2mm sieve. The basic physical and chemical properties, such as pH, electrical conductivity (EC), organic matter (OM), total nitrogen (TN), and total phosphorus (TP) were analyzed (Wei et al 2020;Zhang et al 2017). The extraction of CTC was according to a previous study (Ho et al 2012).…”

Section: Experiments Materialsmentioning

confidence: 99%

Distribution of antibiotic resistant bacteria in different soil types following manure application

Song

Sardar

Wang

et al. 2023

Preprint

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Swine manure, commonly applied as organic composts in agricultural fields, is often considered as an important reservoir of antibiotic-resistant bacteria (ARB). We hypothesized that differences in soil types would affect the fate of ARB following manure application. Thus, the distribution of ARB after manure application was further investigated using black, fluvo-aquic and red soils. The results showed that the abundance and diversity of chlortetracycline (CTC)-resistant bacteria (CRB) was fluvo-aquic>red>black soils in control treatment. Additionally, it was affected by manure in black soil, and CTC-manure in both fluvo-aquic and red soils. For the CTC-manure treatment, a higher shift in the number of operational taxonomic units and the community composition of CRB was observed in fluvo-aquic soil than in black and red soils. Thus, it induced resistance development or an increase in soil indigenous microorganisms (Streptomyces, Pseudomonas, Bacillus, Rhodococcus, Enterobacter), which was most evident in fluvo-aquic soil. Furthermore, LEfSe analysis specified the key different bacterial genera that changed significantly between treatments. They were Microbacteriaceaein black soil, Lactobacillus, unclassified_c__Bacilli and Paenibacillus in fluvo-aquic soil, and Dyella, Ralstonia and Bacillusin red soil. Moreover, great and negative influence of soil electric conductivity, total phosphorus and organic matter was observed on Ralstoniaand Bacillus. Streptomyces were significantly positively correlated with pH and organic matter. Overall, CTC-manure would pose a greater influence on soil’s CRB. Therefore, taking measures to control antibiotic residues in manure and to conduct proper return methods according to soil types are important ways to reduce the risk of soil resistant bacteria.

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“…The soils were airdried and sieved through a 2-mm sieve. The basic physical and chemical properties, such as pH, electrical conductivity (EC), organic matter (OM), total nitrogen (TN), and total phosphorus (TP) were analyzed (Zhang et al, 2017;Wei et al, 2020). The extraction of CTC was performed according to a previous study (Ho et al, 2012).…”

Section: Experiments Materialsmentioning

confidence: 99%

Distribution of antibiotic resistant bacteria in different soil types following manure application

Song,

Sardar,

Wang

et al. 2023

Soil Ecol. Lett.

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ARB was investigated in different soil types following manure application.• CTC-manure induced more resistance of soil indigenous microbes in fluvo-aquic soil.• Lactobacillus, Dyella, Ralstonia, and Bacillus were the key different genera.• Manure control is an effective way to reduce the risk of soil ARB. Swine manure, commonly applied as organic compost in agricultural fields, is an important reservoir of antibiotic-resistant bacteria (ARB). Previous work indicated that manure application led to more antibiotic resistance genes in red soil compared with black soil and fluvoaquic soil. Accordingly, the influencing mechanisms of soil types on the distribution of ARB was worthy of further exploration by a soil column experiment. The results showed that a higher shift in the operational taxonomic units and the community composition of chlortetracycline (CTC)-resistant bacteria (CRB) were observed in fluvo-aquic soil than in black and red soils. CTC induced antibiotic resistance development in soil indigenous microorganisms (Streptomyces, Pseudomonas, Bacillus, Rhodococcus, and Paenibacillus), and the induction was most obvious in fluvo-aquic soil. Streptomyces was significantly positively correlated with pH and organic matter. Additionally, LEfSe analysis indicated that the key different genera were Microbacteriaceae (black soil), Lactobacillus, unclassified_c__Bacilli and Paenibacillus (fluvo-aquic soil), and Dyella, Ralstonia and Bacillus (red soil). It was concluded that manure application led to higher CRB risk in fluvo-aquic soil compared with black and red soils. Overall, appropriate methods according to soil types are important ways to reduce the risk of soil resistant bacteria during manure return.

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Insights into factors driving the transmission of antibiotic resistance from sludge compost-amended soil to vegetables under cadmium stress

Cited by 37 publications

References 67 publications

Characteristics and Global Occurrence of Human Pathogens Harboring Antimicrobial Resistance in Food Crops: A Scoping Review

Characteristics and Global Occurrence of Human Pathogens Harboring Antimicrobial Resistance in Food Crops: A Scoping Review

Distribution of antibiotic resistant bacteria in different soil types following manure application

Distribution of antibiotic resistant bacteria in different soil types following manure application

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