Journal of Microbiology

Journal Articles

Potential of 2, 2'-dipyridyl diselane as an adjunct to antibiotics to manage cadmium-induced antibiotic resistance in Salmonella enterica serovar Typhi Ty2 strain: Praveen Rishi , Reena Thakur , Ujjwal Jit Kaur , Harjit Singh , Kuldip K. Bhasin; J. Microbiol. 2017;55(9):737-744. Published online August 5, 2017; DOI: https://doi.org/10.1007/s12275-017-7040-0

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One of the reasons for increased antibiotic resistance in Salmonella enterica serovar Typhi Ty2 is the influx of heavy metal ions in the sewage, from where the infection is transmitted. Therefore, curbing these selective agents could be one of the strategies to manage the emergence of multidrug resistance in the pathogen. As observed in our earlier study, the present study also confirmed the links between cadmium accumulation and antibiotic resistance in Salmonella. Therefore, the potential of a chemically-synthesised compound 2, 2􍿁-dipyridyl diselane (DPDS) was explored to combat the metal-induced antibiotic resistance. Its metal chelating and antimicrobial properties were evidenced by fourier transform infrared spectroscopy (FTIR), field emission scanning electron microscopy (FE-SEM), and microbroth dilution
method
. Owing to these properties of DPDS, further, this compound was evaluated for its potential to be used in combination with conventional antibiotics. The data revealed effective synergism at much lower concentrations of both the agents. Thus, it is indicated from the study that the combination of these two agents at their lower effective doses might reduce the chances of emergence of antibiotic resistance, which can be ascribed to the multi-pronged action of the agents.

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A NiCoT family metal transporter of Mycobacterium tuberculosis (Rv2856/NicT) behaves as a drug efflux pump that facilitates cross-resistance to antibiotics
Anwesha Adhikary, Sarmistha Biswal, Debasmita Chatterjee, Anindya S. Ghosh
Microbiology .2022;[Epub] CrossRef
Heavy metal-induced selection and proliferation of antibiotic resistance: A review
Prakriti Vats, Ujjwal Jit Kaur, Praveen Rishi
Journal of Applied Microbiology.2022; 132(6): 4058. CrossRef
Potential of 1-(1-napthylmethyl)-piperazine, an efflux pump inhibitor against cadmium-induced multidrug resistance in Salmonella enterica serovar Typhi as an adjunct to antibiotics
Ujjwal Jit Kaur, Adity Chopra, Simran Preet, Khem Raj, Kanthi Kiran Kondepudi, Varsha Gupta, Praveen Rishi
Brazilian Journal of Microbiology.2021; 52(3): 1303. CrossRef
Prophylactic potential of cytolethal distending toxin B (CdtB) subunit of typhoid toxin against Typhoid fever
Reena Thakur, Preeti Pathania, Navneet Kaur, Vattan Joshi, Kanthi Kiran Kondepudi, Chander Raman Suri, Praveen Rishi
Scientific Reports.2019;[Epub] CrossRef
Augmented antibiotic resistance associated with cadmium induced alterations in Salmonella enterica serovar Typhi
Ujjwal Jit Kaur, Simran Preet, Praveen Rishi
Scientific Reports.2018;[Epub] CrossRef

Cr(VI) removal from aqueous solution by thermophilic denitrifying bacterium Chelatococcus daeguensis TAD1 in the presence of single and multiple heavy metals: Han Li , Shaobin Huang , Yongqing Zhang; J. Microbiol. 2016;54(9):602-610. Published online August 31, 2016; DOI: https://doi.org/10.1007/s12275-016-5295-5

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Abstract

Cr(VI) pollution is increasing continuously as a result of ongoing industrialization. In this study, we investigated the thermophilic denitrifying bacterium Chelatococcus daeguensis TAD1, isolated from the biofilm of a biotrickling filter used in nitrogen oxides (NOX) removal, with respect to its ability to remove Cr(VI) from an aqueous solution. TAD1 was capable of reducing Cr(VI) from an initial concentration of 10 mg/L to non-detectable levels over a pH range of 7–9 and at a temperature range of 30–50°C. TAD1 simultaneously removed both Cr(VI) and NO3 −-N at 50°C, when the pH was 7 and the initial Cr(VI) concentration was 15 mg/L. The reduction of Cr(VI) to Cr(III) correlated with the growth metabolic activity of TAD1. The presence of other heavy metals (Cu, Zn, and Ni) inhibited the ability of TAD1 to remove Cr(VI). The metals each individually inhibited Cr(VI) removal, and the extent of inhibition increased in a cooperative manner in the presence of a combination of the metals. The addition of biodegradable cellulose acetate microspheres (an adsorption material) weakened the toxicity of the heavy metals; in their presence, the Cr(VI) removal efficiency returned to a high level. The feasibility and applicability of simultaneous nitrate removal and Cr(VI) reduction by strain TAD1 is promising, and may be an effective biological method for the clean-up of wastewater.

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Hexavalent Chromium Pollution and its Sustainable Management through Bioremediation
Anushka Paul, Sudeshna Dey, Deo Karan Ram, Alok Prasad Das
Geomicrobiology Journal.2024; 41(4): 324. CrossRef
Adsorption of Hg2+/Cr6+ by metal-binding proteins heterologously expressed in Escherichia coli
Shuting Hu, Zixiang Wei, Teng Liu, Xinyu Zuo, Xiaoqiang Jia
BMC Biotechnology.2024;[Epub] CrossRef
Growth-dependent cr(VI) reduction by Alteromonas sp. ORB2 under haloalkaline conditions: toxicity, removal mechanism and effect of heavy metals
G. Kiran Kumar Reddy, K. Kavibharathi, Anuroop Singh, Y. V. Nancharaiah
World Journal of Microbiology and Biotechnology.2024;[Epub] CrossRef
Hexavalent Cr, Its Toxicity and Removal Strategy: Revealing PGPB Potential in Its Remediation
Akanksha Gupta, Anubhuti Singh, Virendra Kumar Mishra
Water, Air, & Soil Pollution.2023;[Epub] CrossRef
Chromium Toxicity in Plants: Signaling, Mitigation, and Future Perspectives
Sajad Ali, Rakeeb A. Mir, Anshika Tyagi, Nazia Manzar, Abhijeet Shankar Kashyap, Muntazir Mushtaq, Aamir Raina, Suvin Park, Sandhya Sharma, Zahoor A. Mir, Showkat A. Lone, Ajaz A. Bhat, Uqab Baba, Henda Mahmoudi, Hanhong Bae
Plants.2023; 12(7): 1502. CrossRef
A comprehensive review on chromium (Cr) contamination and Cr(VI)-resistant extremophiles in diverse extreme environments
Zeeshanur Rahman, Lebin Thomas, Siva P. K. Chetri, Shrey Bodhankar, Vikas Kumar, Ravi Naidu
Environmental Science and Pollution Research.2023; 30(21): 59163. CrossRef
Health hazards of hexavalent chromium (Cr (VI)) and its microbial reduction
Pooja Sharma, Surendra Pratap Singh, Sheetal Kishor Parakh, Yen Wah Tong
Bioengineered.2022; 13(3): 4923. CrossRef
Reduced graphene oxide supported nanoscale zero-valent iron (nZVI/rGO) for in-situ remediation of Cr(VI)/nitrate-polluted aquifer
Xinyang Liu, Wanting Liu, Zifang Chi
Journal of Water Process Engineering.2022; 49: 103188. CrossRef
Simultaneous denitrification and hexavalent chromium removal by a newly isolated Stenotrophomonas maltophilia strain W26 under aerobic conditions
Qiang An, Shu-man Deng, Bin Zhao, Zheng Li, Jia Xu, Jia-Li Song
Environmental Chemistry.2021; 18(1): 20. CrossRef
Leucobacter coleopterorum sp. nov., Leucobacter insecticola sp. nov., and Leucobacter viscericola sp. nov., isolated from the intestine of the diving beetles, Cybister brevis and Cybister lewisianus, and emended description of the genus Leucobacter
Dong-Wook Hyun, Hojun Sung, Pil Soo Kim, Ji-Hyun Yun, Jin-Woo Bae
Journal of Microbiology.2021; 59(4): 360. CrossRef
Bioremediation of Chromium by Microorganisms and Its Mechanisms Related to Functional Groups
Abate Ayele, Yakob Godebo Godeto, Yifeng Zhang
Journal of Chemistry.2021; 2021: 1. CrossRef
Iron oxide minerals promote simultaneous bio-reduction of Cr(VI) and nitrate: Implications for understanding natural attenuation
Yutian Hu, Tong Liu, Nan Chen, Chuanping Feng
Science of The Total Environment.2021; 786: 147396. CrossRef
Cr(VI) reductase activity locates in the cytoplasm of Aeribacillus pallidus BK1, a novel Cr(VI)-reducing thermophile isolated from Tengchong geothermal region, China
Yan Ma, Hui Zhong, Zhiguo He
Chemical Engineering Journal.2019; 371: 524. CrossRef

Research Support, Non-U.S. Gov't

Removal of Heavy Metals by an Enriched Consortium: Eun Young Lee , Joung Soo Lim , Kyung Hwan Oh , Jae Yeon Lee , Seog Ku Kim , Yoo Kyung Lee , Keun Kim; J. Microbiol. 2008;46(1):23-28.; DOI: https://doi.org/10.1007/s12275-007-0131-6

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Abstract: An enriched consortium obtained from lake-sediment was developed for the removal of heavy metals such as Cu, Pb, Cr, Ni, and Zn from heavy metal-contaminated water. The removal efficiency of heavy metals in a shaking condition was generally higher than that in the static state. After the fifteenth enrichment with assorted heavy metals, the removal efficiencies in the shaking and static condition at an average concentration of 100 mg/L of each heavy metal were approximately 99~100% and 95~100%, respectively, depending on the type of heavy metal. An aerobically grown, pure culture isolated from an enriched culture was analyzed by 16S rRNA sequencing and identified as Ralstonia sp. HM-1. This strain was found to remove various heavy metals with an efficiency of approximately 97~100% at an average concentration of 200 mg/L of each heavy metal.

Bacterial Color Response to Hexavalent Chromium, Cr^6+: Ka Hong Cheung , Ji-Dong Gu; J. Microbiol. 2002;40(3):234-236.

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Abstract: A blue pigment-producing bacterium, Vogesella indigofera, was isolated and quantified for the relationship between its synthesis of a blue pigment and exposure concentrations of Cr^6+ . The concentration of Cr^6+ and the percentage of blue colonies on agar plates was negatively correlated (r^2 = -0.8683). Critical concentrations inhibiting bacterial pigment production were found to be between 100-150 ug Cr^6+ /ml on agar plates and 200-300 ug Cr^6+ /ml in liquid culture. As the blue color is characteristic and easily observable, the bacterium Vogesella indigofera may have potential applications in the detection and monitoring of environmental pollution.

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