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Journal articles on the topic 'Heavy metal resistance'

Author: Grafiati

Published: 4 June 2021

Last updated: 31 January 2023

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1

Nies, D. H. "Microbial heavy-metal resistance." Applied Microbiology and Biotechnology 51, no. 6 (1999): 730–50. http://dx.doi.org/10.1007/s002530051457.

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2

Krishna, M. P., Rinoy Varghese, and A. A. Mohamed Hatha. "Heavy metal tolerance and multiple drug resistance of heterotrophic bacterial isolates from metal contaminated soil." South Pacific Journal of Natural and Applied Sciences 30, no. 1 (2012): 58. http://dx.doi.org/10.1071/sp12006.

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The development of multiple metal/antibiotic resistances among the bacterial population causes a potential risk to human health. Metal contamination in natural environments could have an important role in the maintenance and proliferation of antibiotic resistance. In the present study, a total of 46 heterotrophic bacterial isolates from metal contaminated soil were tested for their sensitivity to 10 widely used antibiotics such as ampicillin, erythromycin, gentamicin, nalidixic acid, penicillin, amikacin, lincomycin, novobiocin, vancomycin and tetracycline. Metal tolerant ability of these isol

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3

Yamina, Benmalek, Benayad Tahar, and Fardeau Marie Laure. "Isolation and screening of heavy metal resistant bacteria from wastewater: a study of heavy metal co-resistance and antibiotics resistance." Water Science and Technology 66, no. 10 (2012): 2041–48. http://dx.doi.org/10.2166/wst.2012.355.

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The uncontrolled discharges of wastes containing a large quantity of heavy metal create huge economical and healthcare burdens particularly for people living near that area. However, the bioremediation of metal pollutants from wastewater using metal-resistant bacteria is a very important aspect of environmental biotechnology. In this study, 13 heavy metal resistant bacteria were isolated from the wastewater of wadi El Harrach in the east of Algiers and characterized. These include zinc-, lead-, chromium- and cadmium-resistant bacteria. The metal-resistant isolates characterized include both Gr

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4

Voica, Doriana Mădălina, Laszlo Bartha, Horia Leonard Banciu, and Aharon Oren. "Heavy metal resistance in halophilicBacteriaandArchaea." FEMS Microbiology Letters 363, no. 14 (2016): fnw146. http://dx.doi.org/10.1093/femsle/fnw146.

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5

Merkle, Scott A. "Engineering Forest Trees with Heavy Metal Resistance Genes." Silvae Genetica 55, no. 1-6 (2006): 263–68. http://dx.doi.org/10.1515/sg-2006-0034.

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Abstract Pollution of soil and water with heavy metals such as mercury, cadmium and arsenic, is a worldwide problem. Phytoremediation, the use of plants to remove, sequester or detoxify pollutants, including heavy metals, offers an environmentally-friendly alternative to engineering- based methods for remediation. Forest trees have multiple features that make them particularly useful for removal of toxic heavy metals, especially if they can be engineered with genes allowing them to handle high levels of these elements. Although still in its infancy, research with transgenic trees carrying gene

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Teitzel, Gail M., and Matthew R. Parsek. "Heavy Metal Resistance of Biofilm and Planktonic Pseudomonas aeruginosa." Applied and Environmental Microbiology 69, no. 4 (2003): 2313–20. http://dx.doi.org/10.1128/aem.69.4.2313-2320.2003.

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ABSTRACT A study was undertaken to examine the effects of the heavy metals copper, lead, and zinc on biofilm and planktonic Pseudomonas aeruginosa. A rotating-disk biofilm reactor was used to generate biofilm and free-swimming cultures to test their relative levels of resistance to heavy metals. It was determined that biofilms were anywhere from 2 to 600 times more resistant to heavy metal stress than free-swimming cells. When planktonic cells at different stages of growth were examined, it was found that logarithmically growing cells were more resistant to copper and lead stress than stationa

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7

Rajbanshi, A. "Study on Heavy Metal Resistant Bacteria in Guheswori Sewage Treatment Plant." Our Nature 6, no. 1 (2009): 52–57. http://dx.doi.org/10.3126/on.v6i1.1655.

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Removal of heavy metals from wastewater needs advance chemical technology and is more expensive too. The cheaper alternative for this is the bioremediation using heavy metals resistant microorganisms. In this study, 10 heavy metal resistant bacteria were isolated from oxidation ditch of wastewater treatment plant of Bagmati Area Sewerage Project. These include chromium resistant Staphylococcus spp, Escherichia coli, Klebsiella spp; cadmium resistant Acinetobacter spp, Flavobacterium spp, Citrobacter spp; nickel resistant Staphylococcus spp, Bacillus spp; copper resistant Pseudomonas spp; and c

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8

Longhi, Catia, Linda Maurizi, Antonietta Lucia Conte, et al. "Extraintestinal Pathogenic Escherichia coli: Beta-Lactam Antibiotic and Heavy Metal Resistance." Antibiotics 11, no. 3 (2022): 328. http://dx.doi.org/10.3390/antibiotics11030328.

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Multiple-antibiotic-resistant (MAR) extra-intestinal pathogenic Escherichia coli (ExPEC) represents one of the most frequent causes of human nosocomial and community-acquired infections, whose eradication is of major concern for clinicians. ExPECs may inhabit indefinitely as commensal the gut of humans and other animals; from the intestine, they may move to colonize other tissues, where they are responsible for a number of diseases, including recurrent and uncomplicated UTIs, sepsis and neonatal meningitis. In the pre-antibiotic era, heavy metals were largely used as chemotherapeutics and/or a

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9

Gautam, Bikram, and Rameshwar Adhikari. "Association of Antibiotic and Heavy Metal Resistant Bacteria Screened from Wastewater." International Journal of Environment 7, no. 1 (2018): 28–40. http://dx.doi.org/10.3126/ije.v7i1.21292.

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Wastewater treatment plant is a potential reservoir contributing to the evolution and spread of heavy metal and antibiotic resistant bacteria. The pollutants such as biocides, antibiotics, heavy metals are to be feared for as they have been known to evoke resistance in microorganisms in such polluted environment. The aim of this study was to the isolate bacteria from the treated wastewater and assess the resistance pattern of the isolates against antibiotics and heavy metals. Grab sampling was performed from April to June 2017, from the treated effluent from the secondary treatment plant. To a

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10

Kaur, Sukhvinder, Majid Rasool Kamli, and Arif Ali. "Role of arsenic and its resistance in nature." Canadian Journal of Microbiology 57, no. 10 (2011): 769–74. http://dx.doi.org/10.1139/w11-062.

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Contamination of the environment with heavy metals has increased drastically over the last few decades. The heavy metals that are toxic include mercury, cadmium, arsenic, and selenium. Of these heavy metals, arsenic is one of the most important global environmental pollutants and is a persistent bioaccumulative carcinogen. It is a toxic metalloid that exists in two major inorganic forms: arsenate and arsenite. Arsenite disrupts enzymatic functions in cells, while arsenate behaves as a phosphate analog and interferes with phosphate uptake and utilization. Despite its toxicity, arsenic may be ac

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11

Volaric, Ana, Zorica Svircev, Dragana Tamindzija, and Dragan Radnovic. "Microbial bioremediation of heavy metals." Chemical Industry 75, no. 2 (2021): 103–15. http://dx.doi.org/10.2298/hemind200915010v.

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Heavy metal pollution is one of the most serious environmental problems, due to metal ions persistence, bioavailability, and toxicity. There are many conventional physical and chemical techniques traditionally used for environmental clean-up. Due to several drawbacks regarding these methods, the use of living organisms, or bioremediation, is becoming more prevalent. Biotechnological application of microorganisms is already successfully implemented and is in constant development, with many microbial strains successfully removing heavy metals. This paper provides an overview of the main heavy me

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12

Silver, Simon, and Le T. Phung. "BACTERIAL HEAVY METAL RESISTANCE: New Surprises." Annual Review of Microbiology 50, no. 1 (1996): 753–89. http://dx.doi.org/10.1146/annurev.micro.50.1.753.

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13

Rosenberg, Elli, Ilena Litus, Nurit Schwarzfuchs, et al. "pfmdr2Confers Heavy Metal Resistance toPlasmodium falciparum." Journal of Biological Chemistry 281, no. 37 (2006): 27039–45. http://dx.doi.org/10.1074/jbc.m601686200.

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14

Xue, Xi Cheng, and Gang Liu. "Resistance and Distribution to Heavy Metals of Zoysia sinica hance and Rumex crispus." Advanced Materials Research 1010-1012 (August 2014): 117–20. http://dx.doi.org/10.4028/www.scientific.net/amr.1010-1012.117.

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Mine tailings is composed of mineral sands and gravel,which usually contains considerable heavy metals[1]. The plants growing in mine tailings area usually have a certain tolerance for heavy metals.According to analyzed the Zoysia sinica Hance and Rumex crispus in the upper reaches of Jialing river, discussed how local environment effect the resistance, migration, transport for heavy metals Pb, Zn, Cu, Cd. The results show that the heavy metal Pb in Zoysia sinica Hance is leaf>root,the heavy metals Zn,Cu,Cd in Zoysia sinica Hance is root>leaf,and the proportion of heavy metal in leaf and

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15

Silambarasan, S., and J. Abraham. "Biosorption and Characterization of Metal Tolerant Bacteria Isolated from Palar River Basin Vellore." Journal of Scientific Research 6, no. 1 (2013): 125–31. http://dx.doi.org/10.3329/jsr.v6i1.14678.

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Metal pollution is a growing problem and microbes have adapted to tolerate the presence of metals and even use them. The investigation was carried out to screen for bisorption property of metals by bacteria and check for correlation between tolerance to heavy metals and antibiotic resistance. Soil samples were collected from Palar River basin site of Vellore and five distinct bacteria were isolated. Antibiotic resistance (bacitracin, chloramphenicol, streptomycin, rifampicin, penicillin and ampicillin) was checked and tolerance to heavy metals was screened (Cd, Pb, Cu and Zn). It was found tha

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16

Rivera-Díaz, Jeevan, Haley Phillippi, Nyduta Mbogo, Erin Nawrocki, and Edward Dudley. "Comparison of Genotypic and Phenotypic Predictions for Heavy Metal Resistance in Salmonella enterica and Escherichia coli." American Journal of Undergraduate Research 19, no. 3 (2022): 3–15. http://dx.doi.org/10.33697/ajur.2022.064.

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Salmonella enterica and Escherichia coli are two pathogenic bacteria of worldwide importance that can infect the gastrointestinal tract. Contamination in the food supply chain is an area of concern. Animal feed may be supplemented with essential trace elements, which function as nutritional additives to promote growth & health and optimize production. Bacteria have acquired many metal resistance genes to adapt to the exposure of metals. In this study, our objectives were to evaluate in S. enterica and E. coli, the correlation between the resistance genotype and phenotype to certain heavy m

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17

Top, Eva M., Helene Rore, Jean-Marc Collard, et al. "Retromobilization of heavy metal resistance genes in unpolluted and heavy metal polluted soil." FEMS Microbiology Ecology 18, no. 3 (1995): 191–203. http://dx.doi.org/10.1111/j.1574-6941.1995.tb00176.x.

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18

Wnorowski, Aleksandra U. "Resistance to antibiotics of heavy metal‐tolerant and heavy metal‐sensitive bacterial strains." Journal of Environmental Science and Health . Part A: Environmental Science and Engineering and Toxicology 28, no. 1 (1993): 203–15. http://dx.doi.org/10.1080/10934529309375872.

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19

Benyehuda, G., J. Coombs, P. L. Ward, D. Balkwill, and T. Barkay. "Metal resistance among aerobic chemoheterotrophic bacteria from the deep terrestrial subsurface." Canadian Journal of Microbiology 49, no. 2 (2003): 151–56. http://dx.doi.org/10.1139/w03-012.

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The metal resistance of 350 subsurface bacterial strains from two U.S. Department of Energy facilities, the Savannah River Site (SRS), South Carolina, and the Hanford site, Washington, was determined to assess the effect of metal toxicity on microorganisms in the deep terrestrial subsurface. Resistance was measured by growth inhibition around discs containing optimized amounts of Hg(II), Pb(II), and Cr(VI). A broad range of resistance levels was observed, with some strains of Arthrobacter spp. demonstrating exceptional tolerance. A higher level of resistance to Hg(II) and Pb(II) (P < 0.05)

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20

Monchy, Sébastien, Mohammed A. Benotmane, Paul Janssen, et al. "Plasmids pMOL28 and pMOL30 of Cupriavidus metallidurans Are Specialized in the Maximal Viable Response to Heavy Metals." Journal of Bacteriology 189, no. 20 (2007): 7417–25. http://dx.doi.org/10.1128/jb.00375-07.

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ABSTRACT We fully annotated two large plasmids, pMOL28 (164 open reading frames [ORFs]; 171,459 bp) and pMOL30 (247 ORFs; 233,720 bp), in the genome of Cupriavidus metallidurans CH34. pMOL28 contains a backbone of maintenance and transfer genes resembling those found in plasmid pSym of C. taiwanensis and plasmid pHG1 of C. eutrophus, suggesting that they belong to a new class of plasmids. Genes involved in resistance to the heavy metals Co(II), Cr(VI), Hg(II), and Ni(II) are concentrated in a 34-kb region on pMOL28, and genes involved in resistance to Ag(I), Cd(II), Co(II), Cu(II), Hg(II), Pb(

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21

Siddiqui, Mohammad Tahir, Aftab Hossain Mondal, Firdoos Ahmad Gogry, Fohad Mabood Husain, Ali Alsalme, and Qazi Mohd Rizwanul Haq. "Plasmid-Mediated Ampicillin, Quinolone, and Heavy Metal Co-Resistance among ESBL-Producing Isolates from the Yamuna River, New Delhi, India." Antibiotics 9, no. 11 (2020): 826. http://dx.doi.org/10.3390/antibiotics9110826.

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Antibiotic resistance is one of the major current global health crises. Because of increasing contamination with antimicrobials, pesticides, and heavy metals, the aquatic environment has become a hotspot for emergence, maintenance, and dissemination of antibiotic and heavy metal resistance genes among bacteria. The aim of the present study was to determine the co-resistance to quinolones, ampicillin, and heavy metals among the bacterial isolates harboring extended-spectrum β-lactamases (ESBLs) genes. Among 73 bacterial strains isolated from a highly polluted stretch of the Yamuna River in Delh

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22

Najiah, L. "Antibiogram and heavy metal tolerance of bullfrog bacteria in Malaysia." Open Veterinary Journal 5, no. 2 (2011): 39. http://dx.doi.org/10.5455/ovj.2011.v1.i0.p39.

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Bacterial isolates from 30 farmed bullfrogs (Lithobates catesbeianus) weighing 500-600 g at Johore, Malaysia with external clinical signs of ulcer, red leg and torticollis were tested for their antibiograms and heavy metal tolerance patterns. A total of 17 bacterial species with 77 strains were successfully isolated and assigned to 21 antibiotics and 4 types of heavy metal (Hg2+, Cr6+, Cd2+, Cu2+). Results revealed that bacteria were resistant against lincomycin (92%), oleandomycin (72.7%) and furazolidone (71.4%) while being susceptible to chloramphenicol and florfenicol at 97.4%. The multipl

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23

Richards, Joel W., Glenn D. Krumholz, Matthew S. Chval, and Louis S. Tisa. "Heavy Metal Resistance Patterns of Frankia Strains." Applied and Environmental Microbiology 68, no. 2 (2002): 923–27. http://dx.doi.org/10.1128/aem.68.2.923-927.2002.

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ABSTRACT The sensitivity of 12 Frankia strains to heavy metals was determined by a growth inhibition assay. In general, all of the strains were sensitive to low concentrations (<0.5 mM) of Ag1+, AsO2 1−, Cd2+, SbO2 1−, and Ni2+, but most of the strains were less sensitive to Pb2+ (6 to 8 mM), CrO4 2− (1.0 to 1.75 mM), AsO4 3− (>50 mM), and SeO2 2− (1.5 to 3.5 mM). While most strains were sensitive to 0.1 mM Cu2+, four strains were resistant to elevated levels of Cu2+ (2 to 5 mM and concentrations as high as 20 mM). The mechanism of SeO2 2− resistance seems to involve reduction of the sel

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24

Nies, Dietrich H. "Efflux-mediated heavy metal resistance in prokaryotes." FEMS Microbiology Reviews 27, no. 2-3 (2003): 313–39. http://dx.doi.org/10.1016/s0168-6445(03)00048-2.

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25

Argudín, M. A., A. Hoefer, and P. Butaye. "Heavy metal resistance in bacteria from animals." Research in Veterinary Science 122 (February 2019): 132–47. http://dx.doi.org/10.1016/j.rvsc.2018.11.007.

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26

Jiang, Hua, Huxiao Jing, and Weixiao Qing. "Microbial resistance to the heavy metal pollution." Chinese Journal of Geochemistry 25, S1 (2006): 3. http://dx.doi.org/10.1007/bf02839737.

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27

Jiang, Hua, Xiaojing Hi, and Xiaoqing Wei. "Microbial resistance to the heavy metal pollutant." Chinese Journal of Geochemistry 25, S1 (2006): 87. http://dx.doi.org/10.1007/bf02839904.

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28

Silver, S. "Exploiting heavy metal resistance systems in bioremediation." Research in Microbiology 145, no. 1 (1994): 61–67. http://dx.doi.org/10.1016/0923-2508(94)90072-8.

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29

Mulik, Anuradha, and Rama Bhadekar. "EXTRACELLULAR POLYMERIC SUBSTANCE (EPS) FROM KOCURIA SP. BRI 36: A KEY COMPONENT IN HEAVY METAL RESISTANCE." International Journal of Pharmacy and Pharmaceutical Sciences 10, no. 5 (2018): 50. http://dx.doi.org/10.22159/ijpps.2018v10i5.23535.

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Objective: Evaluation of Extracellular Polymeric Substance (EPS) induced heavy metal tolerance in Kocuria sp. BRI 36.Methods: Initially, the effect of different concentrations of glucose (1-10 %) on EPS production by BRI 36 was examined. At optimum glucose concentrations, EPS levels were measured by varying heavy metal concentrations (10-50 ppm) of Pb2+, Cd 2+and Cr3+. Maximum tolerable concentration (MTC) and survival percentage of BRI 36 were determined under conditions that support EPS synthesis. Comparative analysis of extracted crude EPS was performed by Fourier Transform Infrared Spectro

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30

Riskuwa-Shehu, Maryam Lami, Haruna Yahaya Ismail, and Udem Joshua Josiah Ijah. "Heavy Metal Resistance by Endophytic Bacteria Isolated from Guava (Psidium Guajava) and Mango (Mangifera Indica) Leaves." International Annals of Science 9, no. 1 (2019): 16–23. http://dx.doi.org/10.21467/ias.9.1.16-23.

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Heavy metal resistant bacteria are widespread in nature and their application in decontamination of polluted ecosystems is promising. In this study, ability of endophytic bacteria isolated from Psidium guajava (Guava) and Mangifera indica (Mango) for heavy metal resistance was assessed. Leaves samples form the two plants were collected and processed according to the standard laboratory practices. Heavy metals were analyzed using Atomic absorption spectrophotometer. Endophytic bacteria were isolated and identified using morphological and biochemical characteristics; heavy metal resistance was d

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31

Khalid Khan and Zahid Khan, Khalid Khan and Zahid Khan. "Heavy Metal Resistant Bacteria from Soil as Potential Bioremediation Targets: Isolation, Screening andamp; Biochemical Identification." Journal of the chemical society of pakistan 43, no. 4 (2021): 493. http://dx.doi.org/10.52568/000586/jcsp/43.04.2021.

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This study investigates the role of bacterial species capable of mitigating metal-induced toxicity by bioaccumulation and biotransformation. Study focuses on five metals including Pb+2, Ni+2, Cd+2, Cr+2, and Cu+2 in a range of 50-300and#181;g/ml of concentration initially in qualitative (metal-specific) and subsequently quantitative (dose-specific) approach, but results turned out to be much in favor of a quantitative impact of the study. Thirty 30 bacterial strains from soil were isolated and biochemically identified that showed promising metal-resisting behavior. Identification of bacterial

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32

Khalid Khan and Zahid Khan, Khalid Khan and Zahid Khan. "Heavy Metal Resistant Bacteria from Soil as Potential Bioremediation Targets: Isolation, Screening andamp; Biochemical Identification." Journal of the chemical society of pakistan 43, no. 4 (2021): 493. http://dx.doi.org/10.52568/000586.

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This study investigates the role of bacterial species capable of mitigating metal-induced toxicity by bioaccumulation and biotransformation. Study focuses on five metals including Pb+2, Ni+2, Cd+2, Cr+2, and Cu+2 in a range of 50-300and#181;g/ml of concentration initially in qualitative (metal-specific) and subsequently quantitative (dose-specific) approach, but results turned out to be much in favor of a quantitative impact of the study. Thirty 30 bacterial strains from soil were isolated and biochemically identified that showed promising metal-resisting behavior. Identification of bacterial

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33

Addisu, Melkamu T., and Adugna M. Bikila. "Heavy metal resistance properties of bacteria from different soil types in Horo Guduru Wollega, Ethiopia." International Journal of Scientific Reports 5, no. 11 (2019): 320. http://dx.doi.org/10.18203/issn.2454-2156.intjscirep20194647.

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<p class="abstract"><strong>Background:</strong> The quality of life on earth is linked inseparably to the overall quality of the environment. Soil pollution with heavy metals has become a critical environmental concern due to its potential adverse ecological effects. The study explored the heavy metals resistance properties of bacteria isolated from fertilizer applied agricultural and non-agricultural soils.</p><p class="abstract"><strong>Methods:</strong> The soil samples were collected from both fertilizer applied agricultural soils and non-agricult

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34

Vashishth, Amit, Nimisha Tehri, and Pawan Kumar. "The potential of naturally occurring bacteria for the bioremediation of toxic metals pollution." Brazilian Journal of Biological Sciences 6, no. 12 (2019): 39–51. http://dx.doi.org/10.21472/bjbs.061205.

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An increase in industrialization and various kind of human activities added a huge amount of toxic heavy metals in the soil. As a result, toxic heavy metals in the environment may be adversely affects human being and aquatic ecosystem. Thus, it is very essential to understand mechanism of bioremediation through eco-friendly agent i.e. bacteria. Accumulation of high metal concentrations in soil above threshold limit causes lethal to bacterial communities in the environment. Few bacteria develop resistance mechanism to tolerate these toxic heavy metals and contain various methods to respond the

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Parsons, Cameron, Sangmi Lee, and Sophia Kathariou. "Heavy Metal Resistance Determinants of the Foodborne Pathogen Listeria monocytogenes." Genes 10, no. 1 (2018): 11. http://dx.doi.org/10.3390/genes10010011.

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Listeria monocytogenes is ubiquitous in the environment and causes the disease listeriosis. Metal homeostasis is one of the key processes utilized by L. monocytogenes in its role as either a saprophyte or pathogen. In the environment, as well as within an animal host, L. monocytogenes needs to both acquire essential metals and mitigate toxic levels of metals. While the mechanisms associated with acquisition and detoxification of essential metals such as copper, iron, and zinc have been extensively studied and recently reviewed, a review of the mechanisms associated with non-essential heavy met

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Turner, Raymond J., Li-Nan Huang, Carlo Viti, and Alessio Mengoni. "Metal-Resistance in Bacteria: Why Care?" Genes 11, no. 12 (2020): 1470. http://dx.doi.org/10.3390/genes11121470.

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37

Ahmed, Naveed, Kinza Tahir, Sara Aslam та ін. "Heavy Metal (Arsenic) Induced Antibiotic Resistance among Extended-Spectrum β-Lactamase (ESBL) Producing Bacteria of Nosocomial Origin". Pharmaceuticals 15, № 11 (2022): 1426. http://dx.doi.org/10.3390/ph15111426.

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Antimicrobial resistance (AMR) is a leading cause of treatment failure for many infectious diseases worldwide. Improper overdosing and the misuse of antibiotics contributes significantly to the emergence of drug-resistant bacteria. The co-contamination of heavy metals and antibiotic compounds existing in the environment might also be involved in the spread of AMR. The current study was designed to test the efficacy of heavy metals (arsenic) induced AMR patterns in clinically isolated extended-spectrum β-lactamase (ESBL) producing bacteria. A total of 300 clinically isolated ESBL-producing bact

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38

Dilshad, Rimsha, and Rida Batool. "Co-resistance of Antibiotics and Heavy metals in Bacterial Strains Isolated from Agriculture Farm and Soap Industry." Lahore Garrison University Journal of Life Sciences 6, no. 04 (2022): 338–49. http://dx.doi.org/10.54692/lgujls.2022.0604233.

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In this study, a relationship between antibiotic and heavy metal resistance was estimated among culturable bacterial strains of agriculture farm and soap industry soil.A total of 27 bacterial strains were isolated and screened for their antibiotic and heavy metal resistance by supplementing LB agar medium with variable concentrations of respectivestress. On LB-agar medium, agriculture farm soil harboured more cultivable bacterial strains (17 bacterial strains) as compared to the soap industry soil (10 bacterial strains).Minimum inhibitory concentration of antibiotics for bacterial strains rang

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Yang, Qiu E., Siham Rajab Agouri, Jonathan Mark Tyrrell, and Timothy Rutland Walsh. "Heavy Metal Resistance Genes Are Associated withblaNDM-1- andblaCTX-M-15-CarryingEnterobacteriaceae." Antimicrobial Agents and Chemotherapy 62, no. 5 (2018): e02642-17. http://dx.doi.org/10.1128/aac.02642-17.

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ABSTRACTThe occurrence of heavy metal resistance genes in multiresistantEnterobacteriaceaepossessingblaNDM-1orblaCTX-M-15genes was examined by PCR and pulsed-field gel electrophoresis with S1 nuclease. Compared with clinical susceptible isolates (10.0% to 30.0%), thepcoA,merA,silC, andarsAgenes occurred with higher frequencies inblaNDM-1-positive (48.8% to 71.8%) andblaCTX-M-15-positive (19.4% to 52.8%) isolates, and they were mostly located on plasmids. Given the high association of metal resistance genes with multidrug-resistantEnterobacteriaceae, increased vigilance needs to be taken with t

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40

Maia, Luciana Furlaneto, Gabriela Batista Gomes Bravo, Alex Kiyomassa Watanabe, Nayara de Oliveira Batista, and Márcia Cristina Furlaneto. "Enterococci and Bacilli from surface water: assessment of their resistance to copper and antibiotics." Acta Scientiarum. Technology 43 (August 20, 2020): e49854. http://dx.doi.org/10.4025/actascitechnol.v43i1.49854.

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Heavy metal-resistant bacteria can be efficient bioremediators of metals and might provide an alternative method for metal removal in contaminated environments. The present study aims to isolate bacteria from the aquatic environment and evaluate their potential tolerance to copper metal, aiming at bioremediation processes. Also, compare co-resistance to heavy metal and antibiotics. The morphology of isolates was observed, and sequence analysis (16S ribosomal DNA) revealed that isolated strains were closely related to species belonging to the genera Enterococcus and Bacillus. Bacterial isolates

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Neethu, C. S., K. M. Mujeeb Rahiman, A. V. Saramma, and A. A. Mohamed Hatha. "Heavy-metal resistance in Gram-negative bacteria isolated from Kongsfjord, Arctic." Canadian Journal of Microbiology 61, no. 6 (2015): 429–35. http://dx.doi.org/10.1139/cjm-2014-0803.

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Isolation and characterization of heterotrophic Gram-negative bacteria was carried out from the sediment and water samples collected from Kongsfjord, Arctic. In this study, the potential of Arctic bacteria to tolerate heavy metals that are of ecological significance to the Arctic (selenium (Se), mercury (Hg), cadmium (Cd), copper (Cu), lead (Pb), and zinc (Zn)) was investigated. Quantitative assay of 130 isolates by means of plate diffusion and tube dilution methods was carried out by incorporation of different concentrations of metals. Growth in Se and Pb at a concentration of 3000 μg/L was s

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Tong, Liu, Susumu Nakashima, Mineo Shibasaka, Maki Katsuhara, and Kunihiro Kasamo. "A Novel Histidine-Rich CPx-ATPase from the Filamentous Cyanobacterium Oscillatoria brevis Related to Multiple-Heavy-Metal Cotolerance." Journal of Bacteriology 184, no. 18 (2002): 5027–35. http://dx.doi.org/10.1128/jb.184.18.5027-5035.2002.

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ABSTRACT A novel gene related to heavy-metal transport was cloned and identified from the filamentous cyanobacterium Oscillatoria brevis. Sequence analysis of the gene (the Bxa1 gene) showed that its product possessed high homology with heavy-metal transport CPx-ATPases. The CPC motif, which is proposed to form putative cation transduction channel, was found in the sixth transmembrane helix. However, instead of the CXXC motif that is present in the N termini of most metal transport CPx-ATPases, Bxa1 contains a unique Cys-Cys (CC) sequence element and histidine-rich motifs as a putative metal b

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Sendolo, Danny, Glory Baysah, and Cajethan Onyebuchi Ezeamagu. "Detection of Heavy Metal-Resistance Gene in Bacteria Isolated from Clinical and Environmental Sources Using Polymerase Chain Reaction (PCR)." Pan-African Journal of Health and Environmental Science 1, no. 2 (2022): 83–92. http://dx.doi.org/10.56893/ajhes.2022-v1i2.239.

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 Background: Global proliferation of the pharmaceutical industry in response to devastating health challenges has led to several ecological and environmental problems. Heavy metal contamination is one of the most dangerous factors that affect ecosystems and human health. This study aimed to detect the presence of heavy-metal resistance genes in clinical and environmental sources using polymerase chain reaction (PCR). Method: This study employed an experimental design. The samples included 40 clinical isolates (blood, urine, throat, wound, and sputum) and 40 environmental isolates (

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Glibota, Nicolás, Mª José Grande, Antonio Galvez, and Elena Ortega. "Genetic Determinants for Metal Tolerance and Antimicrobial Resistance Detected in Bacteria Isolated from Soils of Olive Tree Farms." Antibiotics 9, no. 8 (2020): 476. http://dx.doi.org/10.3390/antibiotics9080476.

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Copper-derived compounds are often used in olive tree farms. In a previous study, a collection of bacterial strains isolated from olive tree farms were identified and tested for phenotypic antimicrobial resistance and heavy metal tolerance. The aim of this work was to study the genetic determinants of resistance and to evaluate the co-occurrence of metal tolerance and antibiotic resistance genes. Both metal tolerance and antibiotic resistance genes (including beta-lactamase genes) were detected in the bacterial strains from Cu-treated soils. A high percentage of the strains positive for metal

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Mohamed, Sara H., Maram M. S. Elshahed, Yasmine M. Saied, Mahmoud S. M. Mohamed, and Gamal H. Osman. "Detection of Heavy Metal Tolerance among different MLSB Resistance Phenotypes of Methicillin-Resistant S. aureus (MRSA)." Journal of Pure and Applied Microbiology 14, no. 3 (2020): 1905–16. http://dx.doi.org/10.22207/jpam.14.3.29.

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Methicillin-resistant Staphylococcus aureus (MRSA) strains are widespread globally. Besides their virulence factors, the co-occurrence of antimicrobial and metal resistance has been reported. This study was designed to evaluate the antibiotic resistance and resistance phenotypes, investigate the occurrence of virulence factors, and detect heavy metal tolerance among MRSA strains. Antibiogram profiling was done as recommended by CLSI instructions. Resistance phenotypes were detected by D test, followed by characterization of enzymatic activities and biofilm formation assay. Antibacterial activi

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Johnson, Hannah, Hyuk Cho, and Madhusudan Choudhary. "Bacterial Heavy Metal Resistance Genes and Bioremediation Potential." Computational Molecular Bioscience 09, no. 01 (2019): 1–12. http://dx.doi.org/10.4236/cmb.2019.91001.

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Chen, Songcan, Xiaomin Li, Guoxin Sun, Yingjiao Zhang, Jianqiang Su, and Jun Ye. "Heavy Metal Induced Antibiotic Resistance in Bacterium LSJC7." International Journal of Molecular Sciences 16, no. 10 (2015): 23390–404. http://dx.doi.org/10.3390/ijms161023390.

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Yu, Guo, Jianchu Ma, Pingping Jiang, et al. "The Mechanism of Plant Resistance to Heavy Metal." IOP Conference Series: Earth and Environmental Science 310 (September 5, 2019): 052004. http://dx.doi.org/10.1088/1755-1315/310/5/052004.

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Bulaev, A. G., T. V. Erofeeva, M. V. Labyrich, and E. A. Mel’nikova. "Resistance of Acidiplasma archaea to heavy metal ions." Microbiology 86, no. 5 (2017): 583–89. http://dx.doi.org/10.1134/s002626171705006x.

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Punshon, Tracy, and Nicholas Dickinson. "Heavy Metal Resistance and Accumulation Characteristics in Willows." International Journal of Phytoremediation 1, no. 4 (1999): 361–85. http://dx.doi.org/10.1080/15226519908500025.

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