红球菌对苯酚、硫酸钠和多环芳烃的生物修复。首次从水生和陆地生态系统中分离并进行分子表征

IF 1.7 4区环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES

Water and Environment Journal Pub Date : 2023-03-13 DOI:10.1111/wej.12862

S. Hosseini, Davood Azadi, Abdorrahim Absalan

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引用次数: 0

摘要

环境污染是世界范围内最严重的问题。红球菌在产生次级代谢产物和降解活性方面具有很高的潜力。本研究旨在筛选和鉴定伊朗生态系统中可生物降解的红球菌。从90个环境样品中回收红球菌分离株，并使用常规和分子方法进行鉴定。使用污染物存在下的生长速率和色谱法（高效液相色谱法[HPLC]）来确定其生物降解能力。从培养的样品中共鉴定出13个红球菌分离株（14.5%），属于7个种。流行种为红球乳杆菌（4株；30.8%）、动脉粥样硬化乳杆菌（3株；23%）、风疹乳杆菌（2株；15.4），以及佐菲乳杆菌、苯酚乳杆菌、马乳杆菌和红铬乳杆菌各1株。结果表明，这些分离物能降解和消耗苯酚、多环芳烃（PAH）和硫酸钠。我们的研究结果表明，红球菌在生物修复各种污染物方面具有巨大的潜力。因此，建议对红球菌的生物降解活性进行更多的研究。

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Bioremediation of phenol, sulfate sodium, and polycyclic aromatic hydrocarbons by Rhodococcus sp. first time isolated and molecular characterized from aquatic and terrestrial ecosystems

Environmental pollutions are the most significant problem worldwide. Rhodococcus sp. has a high potential for the production of secondary metabolites and degradation activity. This study aims to screen and characterize biodegradable Rhodococcus from Iranian ecosystems. The Rhodococcus isolates were recovered from 90 environmental samples and identified using conventional and molecular methods. The growth rate in the presence of pollutants and chromatography (high‐performance liquid chromatography [HPLC]) was used to determine their biodegradation capability. A total of 13 Rhodococcus isolates were characterized from the cultured samples (14.5%) that belonged to seven species. The prevalent species were R. erythropolis (4 isolates; 30.8%), R. atherivorans (3 isolates; 23%), R. ruber (2 isolates; 15.4), and R. zopfii, R. phenolicus, R. equi and R. rhodochrous 1 isolate each. The result showed that these isolates could degrade and consume phenol, polycyclic aromatic hydrocarbon (PAH) and sulfate sodium. Our results showed that the Rhodococcus species have significant potential for bioremediation of diverse types of pollutants. Therefore, more studies are recommended for the biodegradation activity of Rhodococcus.

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来源期刊

Water and Environment Journal 环境科学-湖沼学

CiteScore

4.80

自引率

0.00%

发文量

审稿时长

18-36 weeks

期刊介绍： Water and Environment Journal is an internationally recognised peer reviewed Journal for the dissemination of innovations and solutions focussed on enhancing water management best practice. Water and Environment Journal is available to over 12,000 institutions with a further 7,000 copies physically distributed to the Chartered Institution of Water and Environmental Management (CIWEM) membership, comprised of environment sector professionals based across the value chain (utilities, consultancy, technology suppliers, regulators, government and NGOs). As such, the journal provides a conduit between academics and practitioners. We therefore particularly encourage contributions focussed at the interface between academia and industry, which deliver industrially impactful applied research underpinned by scientific evidence. We are keen to attract papers on a broad range of subjects including: -Water and wastewater treatment for agricultural, municipal and industrial applications -Sludge treatment including processing, storage and management -Water recycling -Urban and stormwater management -Integrated water management strategies -Water infrastructure and distribution -Climate change mitigation including management of impacts on agriculture, urban areas and infrastructure