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    Two extracellular sialidases from Bifidobacterium bifidum promote the degradation of sialyl-oligosaccharides and support the growth of Bifidobacterium breve.
    Anaerobe 2018 May 19. Epub 2018 May 19.
    Department of Microbiology, School of Pharmacy, Kitasato University, Minato-ku, Tokyo, Japan.
    We investigated the roles of extracellular sialidases (SiaBb1 and SiaBb2) in cross-feeding between sialidase-carrying Bifidobacterium bifidum and sialic acid-utilizing Bifidobacterium breve. Using 6' sialyllactose (6'SL) as a carbon source, the number of wild-type B. bifidum cells increased while that of a siabb2-inactivated strain (Δsiabb2) did not. Read More

    Effect of DS-2969b, a novel GyrB inhibitor, on rat and monkey intestinal microbiota.
    Anaerobe 2018 May 2;51:120-123. Epub 2018 May 2.
    Department of Microbiology, Daiichi Sankyo India Pharma Private Limited, Gurgaon, Haryana, India. Electronic address:
    DS-2969b, a novel GyrB inhibitor, transiently and reversibly altered the counts of limited intestinal microbiota at around 10 μg/g of faecal levels in rats and monkeys. Considering the high activity of DS-2969b against Clostridium difficile, 10 μg/g of faecal levels would be sufficient for clearing C. difficile from the intestine. Read More

    Effects of supplementing corn silage with different nitrogen sources on ruminal fermentation and microbial populations in vitro.
    Anaerobe 2018 May 1;51:99-109. Epub 2018 May 1.
    Institut für Nutztierwissenschaften, Universität Hohenheim, Stuttgart, Germany.
    Compared to grass silage (GS)-, corn silage (CS)-based diets appear to increase the efficiency of microbial protein synthesis (EMPS) in the rumen. Opposite results for the EMPS obtained in vitro have raised the question of whether an inadequate supply of amino N for microbes might explain the low EMPS. We examined the effects of supplementation with different N sources in CS on the EMPS and microbial populations in vitro. Read More

    Expression of glyceraldehyde-3-phosphate dehydrogenase on the surface of Clostridium perfringens cells.
    Anaerobe 2018 May 9;51:124-130. Epub 2018 May 9.
    Department of Life Science, Faculty of Science, Okayama University of Science, 1-1 Ridai-cho, Kita-ku, Okayama-shi, Okayama 700-0005, Japan. Electronic address:
    During research to identify fibronectin (Fn)-binding proteins (Fbps) on the surface of Clostridium perfringens cells, we identified glyceraldehyde-3-phosphate dehydrogenase (GAPDH) as a candidate Fbp. GAPDH is a glycolytic enzyme found in a wide range of prokaryotes and eukaryotes. The Fn-binding activity of recombinant C. Read More

    The ability of human intestinal anaerobes to metabolize different oligosaccharides: Novel means for microbiota modulation?
    Anaerobe 2018 May 5;51:110-119. Epub 2018 May 5.
    Department of Food and Cosmetic Science, Faculty of Bioindustry, Tokyo University of Agriculture, 196 Yasaka, Abashiri 099-2493 Hokkaido, Japan. Electronic address:
    Prebiotic oligosaccharides are known to have significant impacts on gut microbiota and are thus widely used to program healthy microbiota composition and activity from infants to the elderly. Bifidobacteria and lactobacilli are among the major target microorganisms of oligosaccharides, but the metabolic properties of oligosaccharides in other predominant gut microbes have not been well characterized. In the present study, we demonstrated the metabolic properties of six oligosaccharides in 31 key gut anaerobes. Read More

    The evolving epidemic of Clostridium difficile 630.
    Anaerobe 2018 Apr 27. Epub 2018 Apr 27.
    Department of Medical Microbiology, Leiden University Medical Center, Leiden, The Netherlands. Electronic address:
    Clostridium difficile is a major pathogen responsible for a range of diseases in humans and animals. The genetic tools used to explore C. difficile biology are a relatively recent development in comparison to those used to investigate some other pathogens. Read More

    Bioethanol production by a xylan fermenting thermophilic isolate Clostridium strain DBT-IOC-DC21.
    Anaerobe 2018 May 2;51:89-98. Epub 2018 May 2.
    DBT-IOC Centre for Advance Bioenergy Research, Research & Development Centre, Indian Oil Corporation Limited, Sector-13, Faridabad 121007, India. Electronic address:
    To overcome the challenges associated with combined bioprocessing of lignocellulosic biomass to biofuel, finding good organisms is essential. An ethanol producing bacteria DBT-IOC-DC21 was isolated from a compost site via preliminary enrichment culture on a pure hemicellulosic substrate and identified as a Clostridium strain by 16S rRNA analysis. This strain presented broad substrate spectrum with ethanol, acetate, lactate, and hydrogen as the primary metabolic end products. Read More

    A repeat offender: Recurrent extraintestinal Clostridium difficile infection following fecal microbiota transplantation.
    Anaerobe 2018 Apr 21;51:68-72. Epub 2018 Apr 21.
    Division of Geographic Medicine and Infectious Diseases, Tufts Medical Center, Boston, MA, USA; Tufts University School of Medicine, Boston, MA, USA.
    Extraintestinal infection with Clostridium difficile has been reported but remains uncommon. Treatment of this unusual complication is complex given the limitations of current therapeutic options. Here we report a novel case of recurrent extraintestinal C. Read More

    HMW-profiling using MALDI-TOF MS: A screening method for outbreaks of Clostridioides difficile.
    Anaerobe 2018 Apr 24. Epub 2018 Apr 24.
    Department of Clinical Microbiology Kronoberg and Blekinge, Central Hospital, Växjö, Sweden. Electronic address:
    Clostridioides difficile (CD), previously known as Clostridium difficile, is an anaerobic Gram-positive rod-shaped bacterium that causes mild to severe diarrhea mainly in hospitalized patients. The bacteria are easily spread between patients and can persist in hospital wards due to its ability to form spores. An outbreak of CD causes great sufferings for patients and is in many aspects very expensive for the health care organization. Read More

    Distinct consequences of amoxicillin and ertapenem exposure in the porcine gut microbiome.
    Anaerobe 2018 Apr 22. Epub 2018 Apr 22.
    Synthetic Biologics, Inc., Rockville, MD, United States.
    The gut microbiome influences many, if not all, aspects of human health. Antibiotics, while lifesaving, have the unintended consequence of killing commensal microbiota inhabiting the gastrointestinal (GI) tract, which can lead to overgrowth of opportunistic pathogens such as Clostridium difficile and emergence of antibiotic-resistant organisms. Here, porcine models were developed to evaluate changes to the gut microbiome caused by two distinct types of beta-lactam antibiotics delivered via common administration routes, oral amoxicillin and intravenous ertapenem. Read More

    Rodents are carriers of Clostridioides difficile strains similar to those isolated from piglets.
    Anaerobe 2018 Apr 9;51:61-63. Epub 2018 Apr 9.
    Veterinary School, Federal University of Minas Gerais (UFMG), Antônio Carlos Avenue, 6627, 31.270-901, Belo Horizonte, MG, Brazil. Electronic address:
    Features of Clostridioides difficile transmission in swine and the role of rodents as C. difficile reservoir are not clear. To investigate if rodents can carry strains of C. Read More

    Secular trends in the epidemiology of Clostridium difficile infection (CDI) at a tertiary care hospital in Barcelona, 2006-2015: A prospective observational study.
    Anaerobe 2018 Apr 12;51:54-60. Epub 2018 Apr 12.
    Infectious Diseases Department, Hospital Universitari Vall D'Hebron, Universitat Autònoma de Barcelona, Barcelona, Spain; Spanish Network for the Research in Infectious Diseases (REIPI RD16/0016/0003), Instituto de Salud Carlos III, Madrid, Spain.
    Objective: Describe secular trends in the epidemiology and outcome of Clostridium difficile infection (CDI) at a tertiary hospital.

    Methods: All consecutive primary CDI episodes in adults (January 2006-December 2015) were included. CDI was diagnosed on the presence of diarrhoea and a positive stool test for C. Read More

    Restoration of short chain fatty acid and bile acid metabolism following fecal microbiota transplantation in patients with recurrent Clostridium difficile infection.
    Anaerobe 2018 Apr 12. Epub 2018 Apr 12.
    Department of Internal Medicine, Division of Infectious Diseases, University of Michigan Medical School, Ann Arbor, MI, United States. Electronic address:
    A significant proportion of individuals develop recurrent Clostridium difficile infection (CDI) following initial disease. Fecal microbiota transplantation (FMT), a highly effective treatment method for recurrent CDI, has been demonstrated to induce microbiota recovery. One of the proposed functions associated with restoration of colonization resistance against C. Read More

    Occurrence of Clostridium difficile infections in Serbia and high proportion of PCR ribotype 027 strains in two hospitals in Belgrade.
    Anaerobe 2018 Apr 5;51:64-67. Epub 2018 Apr 5.
    Department of Microbiology, Clinical Center of Serbia, Belgrade, Serbia.
    Background: The incidence of Clostridium difficile infections (CDI) in the Clinical Center of Serbia (CCS) and the entire Serbia has been constantly rising in the previous 5 years. We aimed to study C. difficile PCR-ribotypes isolated from patients hospitalized at two healthcare institutions: CCS and Specialized Hospital for Cerebrovascular Diseases "Sveti Sava" (SS), both of them from Belgrade, and to investigate the incidence rates of CDI in hospital settings in Serbia, from 2009 to 2013. Read More

    MALDI-TOF MS in Anaerobiospirillum succiniciproducens bacteremia: A report of 4 cases in different hosts.
    Anaerobe 2018 Apr 4. Epub 2018 Apr 4.
    Hospital Alemán, Ciudad Autónoma de Buenos Aires, Argentina.
    Anaerobiospirillum succiniciproducens is known as an uncommon cause of diarrhea and bacteremia in humans, usually in immunocompromised hosts. We report four cases of A. succiniciproducens bloodstream infection in different hosts, including a previously healthy man. Read More

    Bacteroides fragilis: A whole MALDI-based workflow from identification to confirmation of carbapenemase production for routine laboratories.
    Anaerobe 2018 Apr 4. Epub 2018 Apr 4.
    Department of Medical Microbiology, MVZ Dr. Eberhard & Partner Dortmund, Dortmund, Germany.
    Bacteroides fragilis is a frequent anaerobic pathogen and can cause severe infections. Resistance to carbapenems, associated with the cfiA gene encoded carbapenemase, represents an emerging problem. To date, no rapid methods are available to detect and confirm this resistance mechanism in routine laboratories, and the missed recognition of carbapenemase-producing strains can lead to therapeutic failures. Read More

    Clostridioides difficile infection in dogs with chronic-recurring diarrhea responsive to dietary changes.
    Anaerobe 2018 Apr 3;51:50-53. Epub 2018 Apr 3.
    Veterinary School, Universidade Federal de Minas Gerais (UFMG), Antônio Carlos Avenue, 6627, Belo Horizonte, MG, 31.270-901, Brazil.
    Five dogs with chronic-recurring diarrhea were positive for Clostridioides difficile infection (CDI), but were unresponsive to treatment with metronidazole. One of these animals was subjected to a colonoscopy, which revealed eosinophilic infiltration of the colon. All five animals completely recovered after dietary changes. Read More

    Type C botulism in domestic chickens, dogs and black-pencilled marmoset (Callithrix penicillata) in Minas Gerais, Brazil.
    Anaerobe 2018 Apr 3;51:47-49. Epub 2018 Apr 3.
    Veterinary College, Universidade Federal de Minas Gerais (UFMG), Antônio Carlos Avenue, 6627. Belo Horizonte, MG, 31.270-901, Brazil.
    Botulism is a well-known intoxication that affects humans and animals. The disease is endemic in cattle in Brazil and recently emerged as an important disease in commercial laying hens and broiler chickens in Europe. Dogs and other animal species can also be affected. Read More

    High prevalence of Clostridium difficile PCR ribotype 078 in pigs in Korea.
    Anaerobe 2018 Mar 28;51:42-46. Epub 2018 Mar 28.
    Laboratory of Pathology, College of Veterinary Medicine, Chonbuk National University, Iksan 54596, Republic of Korea. Electronic address:
    Clostridium difficile can cause neonatal enteritis, but has been isolated from both diseased and healthy pigs. C. difficile shedding by pigs is a potential source of zoonotic transmission to humans. Read More

    The detection and prevalence of leukotoxin gene variant strains of Fusobacterium necrophorum in footrot lesions of sheep in Kashmir, India.
    Anaerobe 2018 Mar 26;51:36-41. Epub 2018 Mar 26.
    Division of Veterinary Microbiology and Immunology, Sher-e-Kashmir University of Agricultural Sciences and Technology of Jammu (SKUAST-J), R.S.Pura, Jammu and Kashmir, India.
    The objective of this study was to determine the prevalence and identification of leukotoxin gene, lktA, variant strains of Fusobacterium necrophorum in the footrot lesions of sheep. The detection of F. necrophorum was carried out by PCR targeting the lktA gene fragment and identification of lktA variant strains was done by PCR-single stranded conformational polymorphism (PCR-SSCP) and gene sequencing. Read More

    Presence of Clostridium difficile in poultry and poultry meat in Egypt.
    Anaerobe 2018 Mar 20;51:21-25. Epub 2018 Mar 20.
    Institute of Bacterial Infections and Zoonoses, Friedrich-Loeffler-Institut, Naumburger Str. 96A, 07743 Jena, Germany. Electronic address:
    C. difficile has been recognized as a potential zoonotic agent encouraging investigations of C. difficile prevalence and ribotypes in animals. Read More

    Assessing the clinical relevance of Fenollaria massiliensis in human infections, using MALDI-TOF MS.
    Anaerobe 2018 Mar 17. Epub 2018 Mar 17.
    University of Groningen, University Medical Center Groningen, Department of Medical Microbiology, The Netherlands.
    Within the European Network for the Rapid Identification of Anaerobes (ENRIA) project eight clinical isolates of Fenollaria massiliensis were encountered. In this study a more extensive description of this species is given and the MALDI-TOF MS database is optimized for its identification. F. Read More

    Validation of a for anaerobic bacteria optimized MALDI-TOF MS biotyper database: The ENRIA project.
    Anaerobe 2018 Mar 12. Epub 2018 Mar 12.
    University of Groningen, University Medical Center Groningen, Department of Medical Microbiology, Groningen, The Netherlands.
    Within the ENRIA project, several 'expertise laboratories' collaborated in order to optimize the identification of clinical anaerobic isolates by using a widely available platform, the Biotyper Matrix Assisted Laser Desorption Ionization Time-of-Flight Mass Spectrometry (MALDI-TOF MS). Main Spectral Profiles (MSPs) of well characterized anaerobic strains were added to one of the latest updates of the Biotyper database db6903; (V6 database) for common use. MSPs of anaerobic strains nominated for addition to the Biotyper database are included in this validation. Read More

    Evaluation of the Cepheid XpertC. difficile binary toxin (BT) diagnostic assay.
    Anaerobe 2018 Mar 11;51:12-16. Epub 2018 Mar 11.
    Department of Microbiology, PathWest Laboratory Medicine, Queen Elizabeth II Medical Centre, Nedlands, Western Australia, Australia; School of Medical and Health Sciences, Edith Cowan University, Joondalup, Western Australia, Australia; School of Veterinary and Life Sciences, Murdoch University, Murdoch, Western Australia, Australia. Electronic address:
    Strains of Clostridium difficile producing only binary toxin (CDT) are found commonly in animals but not humans. However, human diagnostic tests rarely look for CDT. The Cepheid Xpert C. Read More

    Species-specific serine-threonine protein kinase Pkb2 of Bifidobacterium longum subsp. longum: Genetic environment and substrate specificity.
    Anaerobe 2018 Mar 10;51:26-35. Epub 2018 Mar 10.
    Laboratory of Genetics of Microorganisms, Vavilov Institute of General Genetics Russian Academy of Sciences, 3 Gubkin Street, 119991, GSP-1, Moscow, Russian Federation.
    The objective of this study was to determine for phosphorylated substrates of the species-specific serine-threonine protein kinase (STPK) Pkb2 from Bifidobacterium longum subsp. longum GT15. Two approaches were employed: analyses of phosphorylated membrane vesicles protein spectra following kinase reactions and analyses of the genes surrounding pkb2. Read More

    Toxin profile of fecal Clostridium perfringens strains isolated from children with autism spectrum disorders.
    Anaerobe 2018 Mar 8;51:73-77. Epub 2018 Mar 8.
    Department of Medical Microbiology School of Medicine in Katowice, Medical University of Silesia, Poland. Electronic address:
    Infectious factors are taken into consideration in pathophysiology of autism spectrum disorders (ASD). ASD patients often suffer from gastrointestinal disorders. The intestinal microbiota of autistic patients significantly differs from that in healthy individuals. Read More

    Brain abscess and cervical lymphadenitis due to Paraclostridium bifermentans: A report of two cases.
    Anaerobe 2018 Mar 9;51:8-11. Epub 2018 Mar 9.
    Department of Ear, Nose and Throat, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India.
    Paraclostridium bifermentans (current nomenclature of Clostridium bifermentans since 2016) is a gram-positive, spore-forming anaerobic bacterium. Here, we describe two cases associated with this organism. The first, primarily a case of tubercular brain abscess where P. Read More

    Binary Clostridium difficile toxin (CDT) - A virulence factor disturbing the cytoskeleton.
    Anaerobe 2018 Mar 7. Epub 2018 Mar 7.
    Institute of Experimental and Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Freiburg, Albertstr. 25, 79104 Freiburg, Germany.
    Clostridium difficile infection causes antibiotics-associated diarrhea and pseudomembranous colitis. Major virulence factors of C. difficile are the Rho-glucosylating toxins TcdA and TcdB. Read More

    Improving culture media for the isolation of Clostridium difficile from compost.
    Anaerobe 2018 Mar 6;51:1-7. Epub 2018 Mar 6.
    Department of Food, Nutrition, and Packaging Sciences, Clemson University, Clemson, SC 29634, USA. Electronic address:
    This study was to optimize the detection methods for Clostridium difficile from the animal manure-based composts. Both autoclaved and unautoclaved dairy composts were inoculated with a 12-h old suspension of a non-toxigenic C. difficile strain (ATCC 43593) and then plated on selected agar for vegetative cells and endospores. Read More

    Antimicrobial susceptibility testing of Bacteroides fragilis using the MALDI Biotyper antibiotic susceptibility test rapid assay (MBT-ASTRA).
    Anaerobe 2018 Mar 2. Epub 2018 Mar 2.
    Department of Clinical Microbiology, Central Hospital, Växjö, Sweden.
    This study evaluated the MBT-ASTRA for antimicrobial susceptibility testing of Bacteroides fragilis with different classes of antibiotics. MALDI-TOF MS peak AUCs from suspensions with B. fragilis with and without an antibiotic were used to calculate the relative growth (AUC "with antibiotic" divided by "without antibiotic"). Read More

    Historical and contemporary features of infections due to Clostridium novyi.
    Anaerobe 2018 Apr 20;50:80-84. Epub 2018 Feb 20.
    Division of Infectious Diseases, Department of Internal Medicine, The University of Michigan Health System, Ann Arbor, MI 48109, USA.
    Clostridium novyi is an anaerobic bacterium that resides in the soil in nature and that may cause severe clinical infections in humans. It is named after Frederick Novy, who incidentally discovered the anaerobic organism responsible for septicemia in rabbits. In this paper, we explore the circumstances surrounding the identification of the organism. Read More

    A 3D intestinal tissue model supports Clostridioides difficile germination, colonization, toxin production and epithelial damage.
    Anaerobe 2018 Apr 17;50:85-92. Epub 2018 Feb 17.
    Department of Molecular Biology and Microbiology, Tufts University, 136 Harrison Ave, Boston, MA 02111, USA. Electronic address:
    Endospore-forming Clostridioides difficile is a causative agent of antibiotic-induced diarrhea, a major nosocomial infection. Studies of its interactions with mammalian tissues have been hampered by the fact that C. difficile requires anaerobic conditions to survive after spore germination. Read More

    Comparative evaluation of lignocellulolytic activities of filamentous cultures of monocentric and polycentric anaerobic fungi.
    Anaerobe 2018 Apr 14;50:76-79. Epub 2018 Feb 14.
    Dairy Microbiology Division, ICAR-National Dairy Research Institute, Karnal, India. Electronic address:
    Sixteen strains of monocentric and polycentric anaerobic fungi were evaluated for cellulase, xylanase and esterase activities. Though strain level variations were observed among all genera, Neocallimastix and Orpinomyces strains exhibited the highest lignocellulolytic activities. The esterase activities of monocentric group of anaerobic fungi were better than the polycentric group. Read More

    Detection of B. fragilis group and diversity of bft enterotoxin and antibiotic resistance markers cepA, cfiA and nim among intestinal Bacteroides fragilis strains in patients with inflammatory bowel disease.
    Anaerobe 2018 Apr 14;50:93-100. Epub 2018 Feb 14.
    Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
    We compared frequency of the members of B. fragilis group in 100 and 20 colon biopsy specimens of inflammatory bowel disease (IBD) and non-IBD patients. Agar dilution and PCR were orderly used to detect minimal inhibitory concentration of ampicillin, imipenem, and metronidazole, and carriage of related resistance genes cepA, cfi, and nim. Read More

    Cultivation of multiple genera of hydrogenotrophic methanogens from different environmental niches.
    Anaerobe 2018 Apr 9;50:64-68. Epub 2018 Feb 9.
    Bioenergy Group, Agharkar Research Institute, Pune, India. Electronic address:
    Six genera of hydrogenotrophic methanogens, namely Methanobrevibacter, Methanobacterium, Methanocorpusculum, Methanothermobacter, Methanoculleus, and Methanospirillum were cultivated from diverse environmental niches like rumen, feces, gut, and sediments using BY medium. We also report a putative novel genus and two novel species of methanogens isolated from termite, Indian star tortoise, and green iguana. Read More

    Characterization of a recombinant Bacteroides fragilis sialidase expressed in Escherichia coli.
    Anaerobe 2018 Apr 9;50:69-75. Epub 2018 Feb 9.
    Department of Microbiology, Faculty of Medicine, Kagawa University, 1750-1 Miki, Kagawa, 761-0793, Japan. Electronic address:
    The human gut commensal Bacteroides fragilis produces sialidases that remove a terminal sialic acid from host-derived polysaccharides. Sialidase is considered to be involved in B. fragilis infection pathology. Read More

    Lactobacillus crispatus represses vaginolysin expression by BV associated Gardnerella vaginalis and reduces cell cytotoxicity.
    Anaerobe 2018 Apr 7;50:60-63. Epub 2018 Feb 7.
    Centre of Biological Engineering (CEB), Laboratory of Research in Biofilms Rosário Oliveira (LIBRO), University of Minho, Campus de Gualtar, Braga, Portugal. Electronic address:
    Using a chemically-defined medium simulating genital tract secretions, we have shown that pre-adhering Lactobacillus crispatus to Hela epithelial cells reduced cytotoxicity caused by Gardnerella vaginalis. This effect was associated to the expression of vaginolysin and was specific to L. crispatus interference, as other vaginal facultative anaerobes had no protective effect. Read More

    Polymicrobial anaerobic bacteremia due to Atopobium rimae and Parvimonas micra in a patient with cancer.
    Anaerobe 2018 Feb 6. Epub 2018 Feb 6.
    Department of Microbiology and Instituto Biosanitario de Granada, University Hospital Virgen de las Nieves, Granada, Spain.
    Atopobium rimae and Parvimonas micra are both Gram-positive anaerobes involved infrequently in human infections. We report a polymicrobial anaerobic bacteremia caused by these microorganisms. A 43-year-old woman receiving coadjuvant chemotherapy due to a retroperitoneal leiomiosarcoma presented with nausea, vomiting, abdominal pain and fever (38 °C). Read More

    Fusobacterium nucleatum and adverse pregnancy outcomes: Epidemiological and mechanistic evidence.
    Anaerobe 2018 Apr 2;50:55-59. Epub 2018 Feb 2.
    Division of Periodontics, College of Dental Medicine, Columbia University Medical Center, New York, NY, USA; Department of Microbiology & Immunology, College of Physicians & Surgeons, Columbia University Medical Center, New York, NY, USA; Department of Obstetrics & Gynecology, College of Physicians & Surgeons, Columbia University Medical Center, New York, NY, USA; Department of Medicine, College of Physicians & Surgeons, Columbia University Medical Center, New York, NY, USA. Electronic address:
    Fusobacterium nucleatum is a Gram-negative anaerobic oral commensal associated with periodontal disease. F. nucleatum has been implicated in a wide spectrum of systemic diseases, including oral, gastro-intestinal, rheumatologic, and vascular pathologies. Read More

    Characterization of Fusobacterium necrophorum subsp. necrophorum outer membrane proteins.
    Anaerobe 2018 Apr 2;50:101-105. Epub 2018 Feb 2.
    Department of Diagnostic Medicine/ Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS, 66506-5606, USA. Electronic address:
    Liver abscesses are of major economic importance to the cattle industry. These are mainly associated with the presence of Fusobacterium necrophorum, a non-spore forming and Gram-negative anaerobe. There are two main subspecies, F. Read More

    Investigating the effect of supplementation on Clostridioides (Clostridium) difficile spore recovery in two solid agars.
    Anaerobe 2018 Apr 1;50:38-43. Epub 2018 Feb 1.
    Healthcare Associated Infections Research Group, Molecular Gastroenterology, Leeds Institute for Biomedical and Clinical Sciences, University of Leeds, West Yorkshire, UK.
    Background: A variety of supplemented solid media are used within Clostridium difficile research to optimally recover spores. Our study sought to investigate different media and additives, providing a method of optimised C. difficile spore recovery. Read More

    Clostridial DivIVA and MinD interact in the absence of MinJ.
    Anaerobe 2018 Apr 31;50:22-31. Epub 2018 Jan 31.
    Institute of Molecular Biology, Slovak Academy of Sciences, Dúbravská cesta 21, 845 51 Bratislava, Slovakia. Electronic address:
    One of the key regulators ensuring proper Z-ring placement in rod-shaped bacteria is the Min system. It does so by creating a concentration gradient of the MinC septation inhibitor along the cell axis. In Escherichia coli, this gradient is established by a MinE-mediated pole-to-pole oscillation of the MinCDE complex. Read More

    Effect of the ionophore monensin and tannin extracts supplemented to grass silage on populations of ruminal cellulolytics and methanogens in vitro.
    Anaerobe 2018 Apr 31;50:44-54. Epub 2018 Jan 31.
    Universität Hohenheim, Institut für Nutztierwissenschaften, 70593 Stuttgart, Germany.
    This study examined whether the methane-decreasing effect of monensin (∼21%) and different hydrolysable tannins (24%-65%) during in vitro fermentation of grass silage was accompanied by changes in abundances of cellulolytics and methanogens. Samples of liquid (LAM) and solid (SAM) associated microbes were obtained from two rumen simulation technique experiments in which grass silage was either tested in combination with monensin (0, 2 or 4 mg d) or with different tannin extracts from chestnut, valonea, sumac and grape seed (0 or 1.5 g d). Read More

    Clostridioides (Clostridium) difficile infection in hospitalized patients with antibiotic-associated diarrhea: A systematic review and meta-analysis.
    Anaerobe 2018 Apr 31;50:32-37. Epub 2018 Jan 31.
    School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
    Clostridium difficile is the main infectious cause of antibiotic associated diarrhea (AAD). The objective of this study was to determine the frequency of C. difficile AAD in hospitalized patients. Read More

    Identification of Clostridium species using the VITEK MS.
    Anaerobe 2018 Jan 31. Epub 2018 Jan 31.
    Institute for Medical Microbiology and Epidemiology of Infectious Diseases, University Hospital of Leipzig, Liebigstraße 21, 04103, Leipzig, Germany. Electronic address:
    The genus Clostridium is of high clinical relevance, as some species may cause rapid and even lethal infections. Thus, a timely identification of these anaerobic bacteria is desirable. Conventional identification methods rely on biochemical properties of these organisms, however, establishing these is time-consuming and not always reliable. Read More

    Periprosthetic joint infection caused by anaerobes. Retrospective analysis reveals no need for prolonged cultivation time if sensitive supplemented growth media are used.
    Anaerobe 2018 Apr 31;50:12-18. Epub 2018 Jan 31.
    HELIOS ENDO-Klinik Hamburg, Institute for Infectious Diseases, Clinical Microbiology and Infection Control, Hamburg, Germany.
    Background: In microbiological diagnosis of periprosthetic joint infection (PJI) culture media and incubation time are controversially discussed, especially if anaerobic bacteria are the causative agent. This study was conducted to demonstrate the influence of sensitive supplemented growth media on the duration of culturing anaerobes.

    Methods: Twenty-five consecutive cases were included in this retrospective study. Read More

    First case of pleural empyema and pulmonary abscess caused by Eggerthia catenaformis.
    Anaerobe 2018 Apr 31;50:9-11. Epub 2018 Jan 31.
    Réanimation Polyvalente, Centre Hospitalier Universitaire Félix Guyon, Allée des Topazes, 97405 Saint Denis, France. Electronic address:
    Few data are available on the anaerobic bacterium Eggerthia catenaformis. Here we report the first clinical case of a patient with sepsis caused by pulmonary infection with E. catenaformis, and present the minimal inhibitory concentrations of different antimicrobial agents. Read More

    Temporal changes of the bacterial community colonizing wheat straw in the cow rumen.
    Anaerobe 2018 Apr 10;50:1-8. Epub 2018 Jan 10.
    Jiangsu Province Key Laboratory of Gastrointestinal Nutrition and Animal Health, Laboratory of Gastrointestinal Microbiology, College of Animal Science and Technology, Nanjing Agricultural University, 210095, Nanjing, China.
    This study used Miseq pyrosequencing and scanning electron microscopy to investigate the temporal changes in the bacterial community tightly attached to wheat straw in the cow rumen. The wheat straw was incubated in the rumens and samples were recovered at various times. The wheat straw degradation exhibited three phases: the first degradation phase occurred within 0. Read More

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