来源:Soil Ecology Letters 发布时间:2022/5/23 10:34:48
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SEL | 前沿评述:抗生素抗性基因,丰度≠风险

论文标题:Abundance cannot represent antibiotic resistance risk(抗生素抗性基因,丰度≠风险)

期刊:Soil Ecology Letters

作者:Haifeng Qian, Zhenyan Zhang, Qi Zhang, Tao Lu, Yong-Guan Zhu

发表时间:02 Mar 2022

DOI: 10.1007/s42832-022-0133-7

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Soil Ecology Letters推出新栏目SEL DIGEST,以短而精的文笔,展现最新学术精华,评述突破性进展,凝练重要学术结论,展望未来研究方向。本篇文章钱海丰教授凝练了抗生素抗性基因风险评估的最新研究进展,提出了未来健康风险评估的方向。

SEL DIGEST

Abundance cannot represent antibiotic resistance risk

Haifeng Qian, Zhenyan Zhang, Qi Zhang, Tao Lu, Yong-Guan Zhu

Soil Ecology Letters,

https://doi.org/10.1007/s42832-022-0133-7

原文链接,点击文末“阅读原文”获取

Antibiotic resistance is increasing in the soil environments (Chen et al., 2019a; Zhu et al., 2019) and transferring into human body via plant microbiome, which can be exacerbated by the food chain, direct contact pathway, and globalization process (Chen et al., 2019b). However, antibiotic resistance is not the newborn from anthropogenic activities, as it has been detected in the permafrost (D’Costa et al., 2011) and human paleofeces (Wibowo et al., 2021). More interestingly, some of the ancient antibiotic resistance genes did not exhibit the resistance to antibiotics (Martínez et al., 2015), but showed a range of environmental functions, such as liberating phosphorus from phosphate (McRose and Newman, 2021), or encoding efflux pumps (Piddock, 2006). All these evidences indicated that we cannot just assess the health risk of soil antibiotic resistome based on their abundance. In Nature Communications, Zhang et al. (2021) developed a metagenome-based framework to comprehensively assess the health risk of 2579 antibiotic resistance genes (ARGs) into four ranks by considering the human-associated-enrichment, gene mobility, and host pathogenicity. Only 3% of total assessed ARGs were considered as the top risky ones, which were enriched in the human-associated ecosystems, carried by mobile genetic elements and hosted by pathogens. This framework provided a viable approach to evaluate the health risks of current and future ARGs and made a step forward in comprehensive investigation of antibiotic resistome profile in diverse ecosystems. Based on this framework, future study in soil can focus on how to quantify the health risk, rather than ranking into several groups of each ARGs, and more importantly, trying to replace the abundance with “risk index” to evaluate the health risk of global soil antibiotic resistome as well as their interaction with plant microbiome and human body.

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SEL(Soil Ecology Letters) 2019年正式创刊。定位为土壤生态学领域类高水平科技期刊。旨在全球范围内充分、及时、全面地反映土壤生态学领域研究进展,报道国内外土壤生态学前沿领域高水平的学术成果。

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报道领域包括:土壤生物多样性、土壤互营和食物网、土壤微生物组、土壤—植物相互作用、土壤生物地球化学循环、土壤生物修复和恢复、土壤多功能性、土壤生物对环境变化的响应和适应、土壤生态过程的突破性技术、新理论和模型。

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