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Role of cadmium-resistant siderophore-producing rhizobacteria in increasing cadmium bioavailability in contaminated soils
Kijawatworawet K. - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): Role of cadmium-resistant siderophore-producing rhizobacteria in increasing cadmium bioavailability in contaminated soils
ผู้แต่ง / หัวหน้าโครงการ (EN): Kijawatworawet K.
บทคัดย่อ (EN): The aims of this research are to isolate rhizobacteria from plant roots and rhizosphere soils, screen them for siderophore production and resistance to cadmium toxicity. The role of bacteria in increasing cadmium solubilization or mobilization in cadmium-contaminated soil was investigated. The results showed that 61 isolates were isolated from plant roots and 87 isolates were isolated from rhizosphere soil. A total of 148 isolates were tested for their ability to produce siderophores. It was found that 77 isolates(52%) produced siderophores. Only 3 isolates, designated as SR5, SR6 and TS32, highly produced siderophores and resisted high concentrations of cadmium. The M IC values of cadmium for SR5, SR6 and TS32 were 600, 600 and 400 mg L-1, respectively. SR5, SR6 and TS32 were identified by 16S rDNA gene sequencing to be Burkholderia, Burkholderia and Pseudomonas, respectively. Burkholderia sp. SR5 produced the highest level of siderophores by 65.24 μM of deferoxamine mesylate equivalent when cultured in M 9 minimal medium at the late-stationary phase of growth. All cadmium-resistant siderophore-producing rhizobacteria had shown positive effects in increasing the concentrations of the bioavailable form of cadmium in contaminated soil. These rhizobacteria could be applied for enhancing the phytoextraction performance of cadmium in polluted soil. © Om icsVista Group, All rights reserved.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เอกสารแนบ (EN): https://www.scopus.com/inward/record.uri?eid=2-s2.0-84897519012&partnerID=40&md5=5efdc12ba18514bcddcb2fc69e14d585
เผยแพร่โดย (EN): มหาวิทยาลัยมหิดล
คำสำคัญ (EN): time series analysis
เจ้าของลิขสิทธิ์ (EN): มหาวิทยาลัยมหิดล
หากไม่พบเอกสารฉบับเต็ม (Full Text) โปรดติดต่อหน่วยงานเจ้าของข้อมูล

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Role of cadmium-resistant siderophore-producing rhizobacteria in increasing cadmium bioavailability in contaminated soils
Kijawatworawet K.
มหาวิทยาลัยมหิดล
ไม่ระบุวันที่เผยแพร่
Cadmium removal from water and soil by a cadmium-resistant rhizobacterium and its effect on plant root elongation Improvement of cadmium phytoremediation after soil inoculation with a cadmium-resistant Micrococcus sp. Potential of Napier grass with cadmium-resistant bacterial inoculation on cadmium phytoremediation and its possibility to use as biomass fuel Enhanced cadmium phytoremediation of Glycine max L. through bioaugmentation of cadmium-resistant bacteria assisted by biostimulation Enhanced cadmium (Cd) phytoextraction from contaminated soil using Cd-resistant bacterium Phytoremediation of cadmium-polluted soil by Chlorophytum laxum combined with chitosan-immobilized cadmium-resistant bacteria Cadmium exposure and potential health risk from foods in Contaminated area, Thailand Phytostabilization potential of two ecotypes of Vetiveria zizanioides in cadmium-contaminated soils: greenhouse and field experiments Immobilization of Cadmium in Contaminated Soil Using Organic Amendments and Its Effects on Rice Growth Performance Soil amendments for cadmium phytostabilization by five marigold cultivars
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