High-quality-draft genome sequence of the multiple heavy metal resistant bacterium Pseudaminobacter manganicus JH-7T

Xia, Xian; Li, Jiahong; Zhou, Zijie; Wang, Dan; Huang, Jing; Wang, Gejiao

doi:10.1186/s40793-018-0330-2

Cited by 10 publications

(6 citation statements)

References 45 publications

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“…Moreover, heavy metal resistant genes to Manganese (Mn 2+ ) and Cd 2+ in addition to exopolysaccharides production (EPS) were documented upon WGS analysis in Pseudaminobacter manganicus isolated from a manganese mine. This aspect sheds light on metal removal/adsorption and reflects bioremediation capabilities in contaminated regions (Xia et al, 2018). In A. baumannii, WGS analysis revealed the role of two integrases in the excision and circularization of heavy metal resistance (GIs) in E. coli (Al-Jabri et al, 2018).…”

Section: Whole-genome Sequencing and Heavy Metal Resistancementioning

confidence: 96%

Heavy Metal Toxicity in Armed Conflicts Potentiates AMR in A. baumannii by Selecting for Antibiotic and Heavy Metal Co-resistance Mechanisms

et al. 2020

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Acinetobacter baumannii has become increasingly resistant to leading antimicrobial agents since the 1970s. Increased resistance appears linked to armed conflicts, notably since widespread media stories amplified clinical reports in the wake of the American invasion of Iraq in 2003. Antimicrobial resistance is usually assumed to arise through selection pressure exerted by antimicrobial treatment, particularly where treatment is inadequate, as in the case of low dosing, substandard antimicrobial agents, or shortened treatment course. Recently attention has focused on an emerging pathogen, multi-drug resistant A. baumannii (MDRAb). MDRAb gained media attention after being identified in American soldiers returning from Iraq and treated in US military facilities, where it was termed "Iraqibacter." However, MDRAb is strongly associated in the literature with war injuries that are heavily contaminated by both environmental debris and shrapnel from weapons. Both may harbor substantial amounts of toxic heavy metals. Interestingly, heavy metals are known to also select for antimicrobial resistance. In this review we highlight the potential causes of antimicrobial resistance by heavy metals, with a focus on its emergence in A. baumanni in war zones.

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Section: Whole-genome Sequencing and Heavy Metal Resistancementioning

confidence: 96%

Heavy Metal Toxicity in Armed Conflicts Potentiates AMR in A. baumannii by Selecting for Antibiotic and Heavy Metal Co-resistance Mechanisms

et al. 2020

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“…ASV14 belongs to the genus Pseudaminobacter . Species in Pseudaminobacter are sulfur-oxidant or pesticide degrading [ 103 – 106 ]. ASV60 belong to genus Shinella , whose members are known to fix nitrogen and degrade nicotine and chlorothalonil [ 107 – 109 ].…”

Section: Discussionmentioning

confidence: 99%

Nutrient availability and plant phenological stage influence the substrate microbiome in container-grown Impatiens walleriana ‘Xtreme Red’

Quijia Pillajo,

Chapin,

Quiroz-Moreno

et al. 2024

BMC Plant Biol

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Background The microbiome plays a fundamental role in plant health and performance. Soil serves as a reservoir of microbial diversity where plants attract microorganisms via root exudates. The soil has an important impact on the composition of the rhizosphere microbiome, but greenhouse ornamental plants are commonly grown in soilless substrates. While soil microbiomes have been extensively studied in traditional agriculture to improve plant performance, health, and sustainability, information about the microbiomes of soilless substrates is still limited. Thus, we conducted an experiment to explore the microbiome of a peat-based substrate used in container production of Impatiens walleriana, a popular greenhouse ornamental plant. We investigated the effects of plant phenological stage and fertilization level on the substrate microbiome. Results Impatiens plants grown under low fertilization rates were smaller and produced more flowers than plants grown under optimum and high fertilization. The top five bacterial phyla present in the substrate were Proteobacteria, Actinobacteria, Bacteriodota, Verrucomicrobiota, and Planctomycetota. We found a total of 2,535 amplicon sequence variants (ASV) grouped into 299 genera. The substrate core microbiome was represented by only 1.8% (48) of the identified ASV. The microbiome community composition was influenced by plant phenological stage and fertilizer levels. Phenological stage exhibited a stronger influence on microbiome composition than fertilizer levels. Differential abundance analysis using DESeq2 identified more ASVs significantly affected (enriched or depleted) in the high fertilizer levels at flowering. As observed for community composition, the effect of plant phenological stage on microbial community function was stronger than fertilizer level. Phenological stage and fertilizer treatments did not affect alpha-diversity in the substrate. Conclusions In container-grown ornamental plants, the substrate serves as the main microbial reservoir for the plant, and the plant and agricultural inputs (fertilization) modulate the microbial community structure and function of the substrate. The differences observed in substrate microbiome composition across plant phenological stage were explained by pH, total organic carbon (TOC) and fluoride, and across fertilizer levels by pH and phosphate (PO4). Our project provides an initial diversity profile of the bacteria occurring in soilless substrates, an underexplored source of microbial diversity.

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“…86 Pseudaminobacter, more abundant in the 50 ppm Gd and Y reactors, includes at least one species, P. manganicus, with multiple metal heavy metal resistance and the capacity to remove Mn 2+ and Cd 2+ from mining wastewater, possibly through a mechanism related to extracellular polymeric substance (EPS) production. 87 Macellibacteroides, more abundant in the 50 ppm Gd reactor, was identified as one of the top three most abundant genera after 116 days of operation in an anaerobic granular sludge blanket reactor developed to remove selenate in the presence of Cd 2+ and Zn 2+ . 88 Sandaracinobacter sp., more abundant in the 50 ppm Gd reactor, demonstrated resistance to up to 220 mg/L of TeO 3 2− , 89 and Sphingomonas sp., more abundant in the 50 ppm Y reactor, are Cu resistant.…”

Section: Microbial Community Composition Was Altered By 50 Ppm Gd And...mentioning

confidence: 99%

Impacts of Gadolinium and Yttrium on the Performance and Microbial Community Composition of a Bench-Scale-Activated Sludge System

et al. 2022

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Rare-earth elements (REEs) underpin a host of technologies central to modern society. As novel REE processing technologies are developed, appropriate handling of wastewaters will be important. One option is discharge of wastewaters to municipal water resource recovery facilities (WRRFs), yet little is currently understood about the potential for REEs to affect the performance of biological treatment processes. To evaluate the potential impacts, bench-scale sequencing batch bioreactors containing activated sludge and synthetic wastewater were exposed to increasing concentrations of gadolinium or yttrium salts. Nitrification inhibition with 50 ppm Gd or Y treatment and negative impacts to organic oxidation with 50 ppm Y treatment were observed. Microbiome analyses indicated changes to microbial communities as a function of REE exposure, including decreases in relative abundance of putative nitrifying bacteria. In the reactors, >95% of the added REE was insoluble, and inhibition was observed only when the soluble REE concentrations approached 1 μM. A subsequent experiment demonstrated the recovery of nitrification after cessation of Gd or Y addition. These findings suggest that due to the low solubility of Gd and Y in typical WRRF treatment conditions, high concentrations would be required to produce an inhibitory effect and that inhibition may be transient, with potential recovery after REE exposure.

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High-quality-draft genome sequence of the multiple heavy metal resistant bacterium Pseudaminobacter manganicus JH-7T

Cited by 10 publications

References 45 publications

Heavy Metal Toxicity in Armed Conflicts Potentiates AMR in A. baumannii by Selecting for Antibiotic and Heavy Metal Co-resistance Mechanisms

Heavy Metal Toxicity in Armed Conflicts Potentiates AMR in A. baumannii by Selecting for Antibiotic and Heavy Metal Co-resistance Mechanisms

Nutrient availability and plant phenological stage influence the substrate microbiome in container-grown Impatiens walleriana ‘Xtreme Red’

Impacts of Gadolinium and Yttrium on the Performance and Microbial Community Composition of a Bench-Scale-Activated Sludge System

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