Microbial Biodeterioration and Biodegradation
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Microbial Diversity of Non-Flooded High Temperature Petroleum Reservoir in South of Iran
Archive of SID Biological Journal of Microorganism th 8 Year, Vol. 8, No. 32, Winter 2020 Received: November 18, 2018/ Accepted: May 21, 2019. Page: 15-231- 8 Microbial Diversity of Non-flooded High Temperature Petroleum Reservoir in South of Iran Mohsen Pournia Department of Microbiology, Shiraz Branch, Islamic Azad University, Shiraz, Iran, [email protected] Nima Bahador * Department of Microbiology, Shiraz Branch, Islamic Azad University, Shiraz, Iran, [email protected] Meisam Tabatabaei Biofuel Research Team (BRTeam), Karaj, Iran, [email protected] Reza Azarbayjani Molecular bank, Iranian Biological Resource Center, ACECR, Karaj, Iran, [email protected] Ghassem Hosseni Salekdeh Department of Biology, Agricultural Biotechnology Research Institute, Karaj, Iran, [email protected] Abstract Introduction: Although bacteria and archaea are able to grow and adapted to the petrol reservoirs during several years, there are no results from microbial diversity of oilfields with high temperature in Iran. Hence, the present study tried to identify microbial community in non-water flooding Zeilaei (ZZ) oil reservoir. Materials and methods: In this study, for the first time, non-water flooded high temperature Zeilaei oilfield was analyzed for its microbial community based on next generation sequencing of 16S rRNA genes. Results: The results obtained from this study indicated that the most abundant bacterial community belonged to phylum of Firmicutes (Bacilli ) and Thermotoga, while other phyla (Proteobacteria , Actinobacteria and Synergistetes ) were much less abundant. Bacillus subtilis , B. licheniformis , Petrotoga mobilis , P. miotherma, Fervidobacterium pennivorans , and Thermotoga subterranea were observed with high frequency. In addition, the most abundant archaea were Methanothermobacter thermautotrophicus . Discussion and conclusion: Although there are many reports on the microbial community of oil filed reservoirs, this is the first report of large quantities of Bacillus spp. -
Kaistella Soli Sp. Nov., Isolated from Oil-Contaminated Soil
A001 Kaistella soli sp. nov., Isolated from Oil-contaminated Soil Dhiraj Kumar Chaudhary1, Ram Hari Dahal2, Dong-Uk Kim3, and Yongseok Hong1* 1Department of Environmental Engineering, Korea University Sejong Campus, 2Department of Microbiology, School of Medicine, Kyungpook National University, 3Department of Biological Science, College of Science and Engineering, Sangji University A light yellow-colored, rod-shaped bacterial strain DKR-2T was isolated from oil-contaminated experimental soil. The strain was Gram-stain-negative, catalase and oxidase positive, and grew at temperature 10–35°C, at pH 6.0– 9.0, and at 0–1.5% (w/v) NaCl concentration. The phylogenetic analysis and 16S rRNA gene sequence analysis suggested that the strain DKR-2T was affiliated to the genus Kaistella, with the closest species being Kaistella haifensis H38T (97.6% sequence similarity). The chemotaxonomic profiles revealed the presence of phosphatidylethanolamine as the principal polar lipids;iso-C15:0, antiso-C15:0, and summed feature 9 (iso-C17:1 9c and/or C16:0 10-methyl) as the main fatty acids; and menaquinone-6 as a major menaquinone. The DNA G + C content was 39.5%. In addition, the average nucleotide identity (ANIu) and in silico DNA–DNA hybridization (dDDH) relatedness values between strain DKR-2T and phylogenically closest members were below the threshold values for species delineation. The polyphasic taxonomic features illustrated in this study clearly implied that strain DKR-2T represents a novel species in the genus Kaistella, for which the name Kaistella soli sp. nov. is proposed with the type strain DKR-2T (= KACC 22070T = NBRC 114725T). [This study was supported by Creative Challenge Research Foundation Support Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (NRF- 2020R1I1A1A01071920).] A002 Chitinibacter bivalviorum sp. -
Proposal of Two New Species in the Genus Microbacterium Dextranolyticum Sp. Microbacterium
INTERNATIONALJOURNAL OF SYSTEMATICBACTERIOLOGY, July 1993, p. 549-554 Vol. 43, No. 3 0020-7713/93/030549-06$02.00/0 Copyright 0 1993, International Union of Microbiological Societies Proposal of Two New Species in the Genus Microbacterium : Microbacterium dextranolyticum sp. nov. and Microbacterium aurum sp. nov. AKIRA YOKOTA,l* MARIKO TAKEUCH1,l AND NOBERT WEISS2 Institute for Fermentation, Osaka, 17-85, Juso-honmachi 2-chome, Yodogawa-ku, Osaka 532, Japan, and Deutsche Sammlung von Mikroolganismen und Zellkulturen 0-3300 Braunschweig, Germany2 The taxonomic positions of Flavobacterium sp. strain IF0 14592= (= M-73T) (T = type strain), a dextran-a-l,2-debranchingenzyme producer, and Microbacterium sp. strain IF0 15204T (= H-5T), an isolate obtained from corn steep liquor, were investigated; on the basis of the results of chemotaxonomic and phenetic studies and DNA-DNA similarity data, we propose that these bacteria should be classified in the genus Microbacterium as Microbacterium dextranolyticum sp. nov. and Microbacterium aurum sp. nov., respectively. The type strain of M. dextranolyticum is strain IF0 14592, and the type strain of M. aurum is strain IF0 15204. The genus Microbacterium was proposed by Orla-Jensen of 1% tetramethyl-p-phenylenediamineon filter paper. Acid (15), and its description was emended by Collins et al. (1). production from carbohydrates was studied in a medium Four species have been described previously: Microbacte- containing 0.3% peptone, 0.25% NaCl, 0.003% bromcresol rium lacticum, Microbacterium imperiale, Microbacterium purple, and 0.5% carbohydrate (pH 7.2). Assimilation of laevaniformans, and Microbacterium arborescens (1, 5, 6). organic acids was studied in a medium containing 0.5% During a taxonomic study of Flavobacterium strains in the organic acid (sodium salt), 0.02% D-glucose, 0.01% yeast Institute for Fermentation at Osaka (IFO) culture collection, extract, 0.01% peptone, 0.01% Bacto brain heart infusion, we found that Flavobacterium sp. -
Numidum Massiliense Gen. Nov., Sp. Nov., a New Member of the Bacillaceae Family Isolated from the Human Gut
Accepted Manuscript Numidum massiliense gen. nov., sp. nov., a new member of the Bacillaceae family isolated from the human gut Maryam Tidjani Alou, Thi-Tien Nguyen, Nicholas Armstrong, Jaishriram Rathored, Saber Khelaifia, Didier Raoult, Pierre-Edouard Fournier, Jean-Christophe Lagier PII: S2052-2975(16)30042-7 DOI: 10.1016/j.nmni.2016.05.009 Reference: NMNI 175 To appear in: New Microbes and New Infections Received Date: 15 April 2016 Revised Date: 10 May 2016 Accepted Date: 12 May 2016 Please cite this article as: Alou MT, Nguyen T-T, Armstrong N, Rathored J, Khelaifia S, Raoult D, Fournier P-E, Lagier J-C, Numidum massiliense gen. nov., sp. nov., a new member of the Bacillaceae family isolated from the human gut, New Microbes and New Infections (2016), doi: 10.1016/ j.nmni.2016.05.009. This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. ACCEPTED MANUSCRIPT Numidum massiliense gen. nov., sp. nov., a new member of the Bacillaceae family isolated from the human gut Maryam Tidjani Alou 1, Thi-Tien Nguyen 1, Nicholas Armstrong 1, Jaishriram Rathored 1, Saber Khelaifia 1, Didier Raoult 1,2 , Pierre-Edouard Fournier 1, and Jean-Christophe Lagier 1.* 1Aix-Marseille Université, URMITE, UM63, CNRS7278, IRD198, Inserm 1095, Faculté de médecine, 27 Boulevard jean Moulin, 13385 Marseille cedex 05, France. -
Chpc Controls Twitching Motility-Mediated Expansion Of
bioRxiv preprint doi: https://doi.org/10.1101/825596; this version posted October 31, 2019. The copyright holder for this preprint (which was not certified by peer review) is the author/funder. All rights reserved. No reuse allowed without permission. 1 ChpC controls twitching motility-mediated expansion of 2 Pseudomonas aeruginosa biofilms in response to serum albumin, 3 mucin and oligopeptides 4 Laura M. Nolan1,2, Laura C. McCaughey1,3, Jessica Merjane1, Lynne Turnbull1, Cynthia B. 5 Whitchurch1,4* 6 1 The ithree institute, University of Technology Sydney, Ultimo, New South Wales, 2007, 7 Australia. 8 2 Current address: National Heart and Lung Institute, Imperial College London, London, SW3 9 6LR, UK. 10 3 Department of Biochemistry, University of Oxford, South Parks Road, Oxford OX1 3QU, 11 UK. 12 4 Current address: Microbes in the Food Chain Programme, Quadram Institute Bioscience 13 and School of Biological Sciences, University of East Anglia, Norwich Research Park, 14 Norwich, NR4 7UQ, UK 15 16 *Correspondence to: 17 [email protected] 18 19 Keywords: Chemosensory, type IV pili, T4P, 3'-5'-cyclic adenosine monophosphate, 20 environmental signals 21 22 1 bioRxiv preprint doi: https://doi.org/10.1101/825596; this version posted October 31, 2019. The copyright holder for this preprint (which was not certified by peer review) is the author/funder. All rights reserved. No reuse allowed without permission. 1 Abstract 2 Twitching motility-mediated biofilm expansion occurs via coordinated, multi-cellular 3 collective behaviour to allow bacteria to actively expand across surfaces. Type-IV pili (T4P) 4 are cell-associated virulence factors which mediate this expansion via rounds of extension, 5 surface attachment and retraction. -
Microbacterium Flavum Sp. Nov. and Microbacterium Lacus Sp. Nov
Actinomycetologica (2007) 21:53–58 Copyright Ó 2007 The Society for Actinomycetes Japan VOL. 21, NO. 2 Microbacterium flavum sp. nov. and Microbacterium lacus sp. nov., isolated from marine environments. Akiko Kageyama1, Yoko Takahashi1Ã, Yoshihide Matsuo2, Kyoko Adachi2, Hiroaki Kasai2, Yoshikazu Shizuri2 and Satoshi O¯ mura1;3 1Kitasato Institute for Life Sciences, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo 108-8642, Japan. 2Marine Biotechnology Institute, 3-75-1 Heita, Kamaishi, Iwate 026-0001, Japan. 3The Kitasato Institute, 5-9-1 Shirokane, Minato-ku, Tokyo 108-8642, Japan. (Received Feb. 21, 2007 / Accepted Jul. 9, 2007 / Published Sep. 10, 2007) Strains YM18-098T and A5E-52T were both Gram-positive, aerobic, irregular rod-shaped bacteria, with lysine and ornithine as the diagnostic diamino acids of their peptidoglycans, respectively. The acyl type of the peptidoglycan in both cases was N-glycolyl. The major menaquinones were MK-11, -12 and -13. Mycolic acids were not detected. The G+C content of the DNA was 69–70 mol%. Comparative 16S rRNA studies revealed that the isolates belonged to the genus Microbacterium, that YM18-098T was closely related to the species Microbacterium lacticum and Microbacterium schleiferi, and that A5E-52T was closely related to the species Microbacterium aurum, Microbacterium aoyamense, Microbacterium deminutum and Microbacterium pumilum. DNA-DNA relatedness analysis showed that the isolated strains represented two separate genomic species. Based on both phenotypic and genotypic data, the following new species of the genus Microbacterium are proposed: Microbacterium flavum sp. nov. and Microbacterium lacus sp. nov., with the type strains YM18-098T (= MBIC08278T, DSM 18909T) and A5E-52T (= MBIC08279T, DSM 18910T), respectively. -
New Hope in War Against Cystic Fibrosis • Chinese Man With
www.asiabiotech.com Research News Australia Korea Australia Finds New Chinese Man with Hope in Treating Cystic Transplanted Hands Cuts Fibrosis His Birthday Cake Australian researchers have found a way of A young man, who has fully recovered after receiving preventing the stubborn bacterial biofilms that clog an allogeneic transplant of two hands, has recently marked the lungs of people with cystic fibrosis and eventually his 20th birthday in a hospital in Harbin, the capital city cause their deaths. They hope their research will of northeast China’s Heilongjiang province. improve the survival rates of people with this Mr. Gao Liang, the patient, cut the cake with his new common genetic disease and also improve infection hands and handed out pieces to doctors and nurses in the control in hospitals. Faculty of Clinical Medicine of Harbin Medical University, About 2500 Australians have cystic fibrosis, a where he received the transplant in January last year. disease characterized by a build up of thick mucus in the lungs and pancreas leading to breathing Dr. Zhang Xinying said that it is no mean feat for Mr. difficulties and nutritional problems. Gao to cut the cake with his hands, adding that it proves that the functions of his hands have virtually recovered. The lungs of most victims also become infected with the bacteria pseudomonas aeruginosa, a Mr. Gao said that he can now brush his teeth, wash persistent and chronic infection causing his face, comb his hair and put on his clothes with his inflammation and damage to lung tissue. But new hands. He said that he is happy and even won in an researchers from Brisbane’s Institute of Molecular arm wrestling bout at his party. -
Australian Biochemist the Magazine of the Australian Society for Biochemistry and Molecular Biology Inc
ISSN 1443-0193 Australian Biochemist The Magazine of the Australian Society for Biochemistry and Molecular Biology Inc. Volume 47 AUGUST 2016 No.2 SHOWCASE ON RESEARCH Protein Misfolding and Proteostasis THIS ISSUE INCLUDES Showcase on Research Regular Departments A Short History of Amyloid SDS (Students) Page Molecular Chaperones: The Cutting Edge Guardians of the Proteome Off the Beaten Track When Proteostasis Goes Bad: Intellectual Property Protein Aggregation in the Cell Our Sustaining Members Extracellular Chaperones and Forthcoming Meetings Proteostasis Directory INSIDE ComBio2016 International Speaker Profiles Vol 47 No 2 August 2016 AUSTRALIAN BIOCHEMIST Page 1 ‘OSE’ Fill-in Puzzle We have another competition for the readers of the Australian Biochemist. All correct entries received by the Editor (email [email protected]) before 3 October 2016 will enter the draw to receive a gift voucher. With thanks to Rebecca Lew. The purpOSE is to choOSE from thOSE words listed and transpOSE them into the grid. So, clOSE your door, repOSE in a chair, and diagnOSE the answers – you don’t want to lOSE! 6 letters 8 letters ALDOSE FRUCTOSE FUCOSE FURANOSE HEXOSE PYRANOSE KETOSE RIBOSE 9 letters XYLOSE CELLULOSE GALACTOSE 7 letters RAFFINOSE AMYLOSE TREHALOSE GLUCOSE LACTOSE 11 letters MALTOSE DEOXYRIBOSE PENTOSE Australian Biochemist – Editor Chu Kong Liew, Editorial Officer Liana Friedman © 2016 Australian Society for Biochemistry and Molecular Biology Inc. All rights reserved. Page 2 AUSTRALIAN BIOCHEMIST Vol 47 No 2 August 2016 SHOWCASE ON RESEARCH EDITORIAL Molecular Origami: the Importance of Managing Protein Folding In my humble opinion, the most important biological transcription, RNA processing and transport, translation, molecule is the protein. -
Quorum Sensing Is Not Required for Twitching Motility in Pseudomonas Aeruginosa Scott A
JOURNAL OF BACTERIOLOGY, July 2002, p. 3598–3604 Vol. 184, No. 13 0021-9193/02/$04.00ϩ0 DOI: 10.1128/JB.184.13.3598–3604.2002 Copyright © 2002, American Society for Microbiology. All Rights Reserved. Quorum Sensing Is Not Required for Twitching Motility in Pseudomonas aeruginosa Scott A. Beatson,1,2† Cynthia B. Whitchurch,1‡ Annalese B. T. Semmler,1,2 and John S. Mattick1,2* ARC Special Research Centre for Functional and Applied Genomics, Institute for Molecular Bioscience,1 and Department of Biochemistry,2 University of Queensland, Brisbane, Queensland 4072, Australia Downloaded from Received 15 October 2001/Accepted 11 April 2002 It has been reported that mutations in the quorum-sensing genes lasI and rhlI in Pseudomonas aeruginosa result in, among many other things, loss of twitching motility (A. Glessner, R. S. Smith, B. H. Iglewski, and J. B. Robinson, J. Bacteriol. 181:1623-1629, 1999). We constructed knockouts of lasI and rhlI and the corresponding regulatory genes lasR and rhlR and found no effect on twitching motility. However, twitching-defective variants accumulated during culturing of lasI and rhlI mutants. Further analysis showed that the stable twitching- defective variants of lasI and rhlI mutants had arisen as a consequence of secondary mutations in vfr and algR, http://jb.asm.org/ respectively, both of which encode key regulators affecting a variety of phenotypes, including twitching motility. In addition, when grown in shaking broth culture, lasI and rhlI mutants, but not the wild-type parent, also accumulated unstable variants that lacked both twitching motility and swimming motility and appeared to be identical in phenotype to the S1 and S2 variants that were recently reported to occur at high frequencies in P. -
Supplemental Tables for Plant-Derived Benzoxazinoids Act As Antibiotics and Shape Bacterial Communities
Supplemental Tables for Plant-derived benzoxazinoids act as antibiotics and shape bacterial communities Niklas Schandry, Katharina Jandrasits, Ruben Garrido-Oter, Claude Becker Contents Table S1. Syncom strains 2 Table S2. PERMANOVA 5 Table S3. ANOVA: observed taxa 6 Table S4. Observed diversity means and pairwise comparisons 7 Table S5. ANOVA: Shannon Diversity 9 Table S6. Shannon diversity means and pairwise comparisons 10 1 Table S1. Syncom strains Strain Genus Family Order Class Phylum Mixed Root70 Acidovorax Comamonadaceae Burkholderiales Betaproteobacteria Proteobacteria Root236 Aeromicrobium Nocardioidaceae Propionibacteriales Actinomycetia Actinobacteria Root100 Aminobacter Phyllobacteriaceae Rhizobiales Alphaproteobacteria Proteobacteria Root239 Bacillus Bacillaceae Bacillales Bacilli Firmicutes Root483D1 Bosea Bradyrhizobiaceae Rhizobiales Alphaproteobacteria Proteobacteria Root342 Caulobacter Caulobacteraceae Caulobacterales Alphaproteobacteria Proteobacteria Root137 Cellulomonas Cellulomonadaceae Actinomycetales Actinomycetia Actinobacteria Root1480D1 Duganella Oxalobacteraceae Burkholderiales Gammaproteobacteria Proteobacteria Root231 Ensifer Rhizobiaceae Rhizobiales Alphaproteobacteria Proteobacteria Root420 Flavobacterium Flavobacteriaceae Flavobacteriales Bacteroidia Bacteroidetes Root268 Hoeflea Phyllobacteriaceae Rhizobiales Alphaproteobacteria Proteobacteria Root209 Hydrogenophaga Comamonadaceae Burkholderiales Gammaproteobacteria Proteobacteria Root107 Kitasatospora Streptomycetaceae Streptomycetales Actinomycetia Actinobacteria -
Chpc Controls Twitching Motility-Mediated Expansion of Pseudomonas Aeruginosa Biofilms in Response to Serum Albumin, Mucin and Oligopeptides
RESEARCH ARTICLE Nolan et al., Microbiology 2020;166:669–678 DOI 10.1099/mic.0.000911 ChpC controls twitching motility- mediated expansion of Pseudomonas aeruginosa biofilms in response to serum albumin, mucin and oligopeptides Laura M. Nolan1,2, Laura C. McCaughey1,3, Jessica Merjane1, Lynne Turnbull1 and Cynthia B. Whitchurch1,4,* Abstract Twitching motility- mediated biofilm expansion occurs via coordinated, multi- cellular collective behaviour to allow bacteria to actively expand across surfaces. Type- IV pili (T4P) are cell- associated virulence factors which mediate twitching motility via rounds of extension, surface attachment and retraction. The Chp chemosensory system is thought to respond to environmental signals to regulate the biogenesis, assembly and twitching motility function of T4P. In other well characterised chemosensory systems, methyl- accepting chemotaxis proteins (MCPs) feed environmental signals through a CheW adapter protein to the histidine kinase CheA to modulate motility. The Pseudomonas aeruginosa Chp system has an MCP PilJ and two CheW adapter proteins, PilI and ChpC, that likely interact with the histidine kinase ChpA to feed environmental signals into the system. In the current study we show that ChpC is involved in the response to host- derived signals serum albumin, mucin and oligopeptides. We demonstrate that these signals stimulate an increase in twitching motility, as well as in levels of 3′−5′-cyclic adenosine monophosphate (cAMP) and surface-assembled T4P. Interestingly, our data shows that changes in cAMP and surface piliation levels are independent of ChpC but that the twitching motility response to these environmental signals requires ChpC. Further- more, we show that protease activity is required for the twitching motility response of P. -
As Microbacterium Resistens Comb. Nov
International Journal of Systematic and Evolutionary Microbiology (2001), 51, 1267–1276 Printed in Great Britain Description of Microbacterium foliorum sp. nov. and Microbacterium phyllosphaerae sp. nov., isolated from the phyllosphere of grasses and the surface litter after mulching the sward, and reclassification of Aureobacterium resistens (Funke et al. 1998) as Microbacterium resistens comb. nov. 1,2 Centre for Agricultural Undine Behrendt,1 Andreas Ulrich2 and Peter Schumann3 Landscape and Land Use Research Mu$ ncheberg (ZALF), Institute of Primary Production and Author for correspondence: Undine Behrendt. Tel: j49 33237 849357. Fax: j49 33237 849226. Microbial Ecology, e-mail: ubehrendt!zalf.de Gutshof 7, D 14641 Paulinenaue1 , Mu$ ncheberg2 , Germany The taxonomic position of a group of coryneform bacteria isolated from the phyllosphere of grasses and the surface litter after sward mulching was 3 DSMZ – German Collection of investigated. On the basis of restriction analyses of 16S rDNA, the isolates Microorganisms and Cell were divided into two genotypes. According to the 16S rDNA sequence Cultures, Braunschweig, analysis, representatives of both genotypes were related at a level of 99 2% Germany similarity and clustered within the genus Microbacterium. Chemotaxonomic features (major menaquinones MK-12, MK-11 and MK-10; predominating iso- and anteiso-branched cellular fatty acids; GMC content 64–67 mol%; peptidoglycan-type B2β with glycolyl residues) corresponded to this genus as well. DNA–DNA hybridization studies showed a reassociation value of less than 70% between representative strains of both subgroups, suggesting that two different species are represented. Although the extensive morphological and physiological analyses did not reveal any differentiating feature for the genotypes, differences in the presence of the cell-wall sugar mannose enabled the subgroups to be distinguished from one another.