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https://www.readbyqxmd.com/read/28912313/complete-genome-sequence-of-a-shiga-toxin-producing-enterobacter-cloacae-clinical-isolate
#1
Michelle Qiu Carter, Antares Pham, Steven Huynh, Xiaohua He
Enterobacter cloacae strain M12X01451 was isolated from a patient with mild diarrhea. This strain produces a novel subtype of Shiga toxin 1, Stx1e. The Stx1e-converting prophage in strain M12X01451 is stable and can infect other bacteria following induction. Here we report the complete genome sequence and annotation of strain M12X01451.
September 14, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28911614/hygienic-quality-adulteration-of-pork-and-histamine-production-by-raoultella-ornithinolytica-in-milkfish-dumpling
#2
Yi-Chen Lee, Yi-Fen Chen, Ya-Ling Huang, Hsien-Feng Kung, Tai-Yuan Chen, Yung-Hsiang Tsai
Ten milkfish dumpling products purchased from retail stores in southern Taiwan were collected to determine the occurrence of biogenic amines, histamine-forming bacteria, and adulteration of pork. This study showed the high contents of aerobic plate count (APC), total coliforms (TC) and Escherichia coli in tested milkfish dumpling samples, whereas the average content of various biogenic amines in all tested samples was < 1.6 mg/100 g (< 0.05 to 1.54 mg/100 g). Three histamine-producing bacterial strains (2 isolates of Raoultella ornithinolytica and 1 isolate of Enterobacter aerogenes) isolated from tested samples produced 276...
October 2016: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28901909/usefulness-of-%C3%A3-la-carte-antigens-for-bird-fancier-s-lung-serodiagnosis-total-dropping-extract-and-or-dropping-s-microflora-antigens
#3
Adeline Rouzet, Gabriel Reboux, Jean-Charles Dalphin, Paul De Vuyst, Audrey Laboissière, Benoit Valot, Laurence Millon, Sandrine Roussel
Bird fancier's lung (BFL) is a pulmonary disease caused by inhalation of avian proteins. The involvement of the microorganisms of droppings has been assumed in the past and this idea still persists today. Our study aimed to compare by immunoprecipitation assay the detection of antibodies against both droppings and microorganisms in the sera of patients (n=15) and asymptomatic exposed controls (n=18). We found that 14/15 BFL patients had negative serological results for isolated microorganisms of the droppings, only one positive against Enterobacter sakasakii...
September 13, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28895051/polymyxin-resistance-in-gram-negative-pathogens
#4
REVIEW
Pavithra Srinivas, Kaitlyn Rivard
PURPOSE OF REVIEW: The polymyxins are one of the last line antimicrobial classes to retain activity against multidrug-resistant Gram-negative bacilli. However, with the increased use of polymyxins in recent years, reports of resistance have also been increasing. We aimed to describe the mechanisms and occurrence of polymyxin resistance in Gram-negative organisms and propose strategies to overcome resistance. RECENT FINDINGS: The most common mechanism of acquired resistance to the polymyxins is via modification of the bacterial outer membrane lipopolysaccharide...
September 11, 2017: Current Infectious Disease Reports
https://www.readbyqxmd.com/read/28893659/a-halotolerant-enterobacter-sp-displaying-acc-deaminase-activity-promotes-rice-seedling-growth-under-salt-stress
#5
Anumita Sarkar, Pallab Kumar Ghosh, Krishnendu Pramanik, Soumik Mitra, Tithi Soren, Sanjeev Pandey, Monohar Hossain Mondal, Tushar Kanti Maiti
Agricultural productivity is proven to be hampered by the synthesis of reactive oxygen species (ROS) and production of stress-induced ethylene under salinity stress. One-aminocyclopropane-1-carboxylic acid (ACC) is the direct precursor of ethylene synthesized by plants. Bacteria possessing ACC deaminase activity can use ACC as a nitrogen source preventing ethylene production. Several salt-tolerant bacterial strains displaying ACC deaminase activity were isolated from rice fields, and their plant growth-promoting (PGP) properties were determined...
September 9, 2017: Research in Microbiology
https://www.readbyqxmd.com/read/28886559/sewage-treatment-effluents-in-delhi-a-key-contributor-of-%C3%AE-lactam-resistant-bacteria-and-genes-to-the-environment
#6
Manisha Lamba, Shaikh Ziauddin Ahammad
Rapid emergence of antibiotic resistance (AR) in developing countries is posing a greater health risk and increasing the global disease burden. Lack of access to safe drinking water, poor sanitation and inadequate sewage treatment facilities in these countries are fueling the problem associated with emergence of AR. Rapid proliferation of AR mediated by treated and untreated discharges from sewage treatment plants (STPs) is a prime public health concern. This study aims to understand the occurrence, fate, and routes of proliferation of carbapenem (KPC) and extended spectrum β-lactam (ESBL) resistant bacteria, and selected resistant genes in the samples collected from different unit operations in 12 STPs in New Delhi over two seasons...
August 28, 2017: Chemosphere
https://www.readbyqxmd.com/read/28886013/secondary-bacterial-infections-and-antibiotic-resistance-among-tungiasis-patients-in-western-kenya
#7
Ruth Monyenye Nyangacha, David Odongo, Florence Oyieke, Missiani Ochwoto, Richard Korir, Ronald Kiprotich Ngetich, Gladys Nginya, Olipher Makwaga, Christine Bii, Peter Mwitari, Festus Tolo
Tungiasis or jigger infestation is a parasitic disease caused by the female sand flea Tunga penetrans. Secondary infection of the lesions caused by this flea is common in endemic communities. This study sought to shed light on the bacterial pathogens causing secondary infections in tungiasis lesions and their susceptibility profiles to commonly prescribed antibiotics. Participants were recruited with the help of Community Health Workers. Swabs were taken from lesions which showed signs of secondary infection...
September 8, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28885139/prevalence-of-fosfomycin-resistance-and-plasmid-mediated-fosfomycin-modifying-enzymes-among-carbapenem-resistant-enterobacteriaceae-in-zhejiang-china
#8
Lin Huang, Yan Yan Hu, Rong Zhang
Two hundred and thirty-three nonduplicated clinical isolates of carbapenem-resistant Enterobacteriaceae were collected from four hospitals in Zhejiang, China. 45.1 % (105/233) strains were resistant to fosfomycin, among which plasmid-mediated fosfomycin-modifying enzymes fosA, fosA2, fosA3 and fosA5 were positive, and the other fos genes were negative. 80 % (12/15) Enterobacter cloacae isolates were positive for fosA. 100 % (73/73) Klebsiella pneumoniae isolates were positive for fosA5. A conjugation experiment indicated that fosfomycin resistance could be transferred to an Escherichia coli recipient strain successfully...
September 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28883810/from-farms-to-markets-gram-negative-bacteria-resistant-to-third-generation-cephalosporins-in-fruits-and-vegetables-in-a-region-of-north-africa
#9
Ferielle Mesbah Zekar, Sophie A Granier, Muriel Marault, Lydia Yaici, Benoit Gassilloud, Charles Manceau, Abdelaziz Touati, Yves Millemann
The role of food in human exposure to antimicrobial-resistant bacteria is a growing food safety issue. The contribution of fruits and vegetables eaten raw to this exposure is still unclear. The evaluation of contamination levels of fruits, vegetables and the agricultural environment by third-generation cephalosporin (3GC)-resistant Gram-negative bacteria was performed by analyzing 491 samples of fruits and vegetables collected from 5 markets and 7 farms in Bejaia area, north-eastern Mediterranean coast of Algeria...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28883707/donor-derived-infections-among-chinese-donation-after-cardiac-death-liver-recipients
#10
Qi-Fa Ye, Wei Zhou, Qi-Quan Wan
AIM: To investigate blood cultures of deceased donors and report the confirmed transmission of bacterial infection from donors to liver recipients. METHODS: We retrospectively studied the results of blood cultures among our donation after cardiac death (DCD) donors and calculated the donor-derived bacterial infection rates among liver recipients. Study participants underwent liver transplantation between January 1, 2010 and February 1, 2017. The study involved a total of 67 recipients of liver grafts from 67 DCD donors...
August 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28882783/ramr-is-not-involved-in-the-regulation-of-rama-associated-antibiotic-resistance-in-salmonella-enterica-serovar-typhi
#11
Minhui Miao, Wei Cao, Hongxia Wang, Jieting Yan, Min Wang, Yi Zheng, Xiaofang Xie, Xia Zhang, Haifang Zhang, Hong Du
RamA, a global transcriptional activator, belongs to the AraC/XylS family of regulatory proteins and can regulate multidrug resistance through activating the expression of AcrAB. In Salmonella spp., Klebsiella pneumonia, Enterobacter cloacae and Enterobacter aerogenes, RamR represses the transcription of gene ramA through binding to the upstream sequences of ramA. In this study, we found that the locus and transcription directions of ramA-ramR in S. Typhi GIFU10007 are different from that in S. Typhimurium (SL1344)...
September 5, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28881886/monitoring-sputum-culture-in-resected-esophageal-cancer-patients-with-preoperative-treatment
#12
K Kosumi, Y Baba, K Yamashita, T Ishimoto, K Nakamura, M Ohuchi, Y Kiyozumi, D Izumi, R Tokunaga, K Harada, H Shigaki, J Kurashige, M Iwatsuki, Y Sakamoto, N Yoshida, M Watanabe, H Baba
Pneumonia is a major cause of postesophagectomy mortality and worsens the long-term survival in resected esophageal cancer patients. Moreover, preoperative treatments such as chemotherapy or chemoradiotherapy (which have recently been applied worldwide) might affect the bacterial flora of the sputum. To investigate the association among preoperative treatments, the bacterial flora of sputum, and the clinical and pathological features in resected esophageal cancer patients, this study newly investigates the effect of preoperative treatments on the bacterial flora of sputum...
December 1, 2017: Diseases of the Esophagus: Official Journal of the International Society for Diseases of the Esophagus
https://www.readbyqxmd.com/read/28881135/rapid-and-ultra-sensitive-detection-of-viable-enterobacter-sakazakii-by-a-continual-cascade-nanozyme-biosensor
#13
Li Zhang, Yuting Chen, Nan Cheng, Yuancong Xu, Kunlun Huang, Yunbo Luo, Peixia Wang, Demin Duan, Wentao Xu
Recent outbreaks of life-threatening neonatal infections linked to Enterobacter sakazakii (ES) heightened the need to develop rapid and ultra-sensitive detection methods, particularly those capable of determining cell viability. This study describes a continual cascade nanozyme biosensor for the detection of viable ES based on propidium monoazide (PMA), loop-mediated isothermal amplification (LAMP) and Nanozyme-strip. The ompA gene of ES was determined using FITC-modified and BIO-modified primers in LAMP process...
September 7, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28877761/phenotypic-prevalence-of-extended-spectrum-beta-lactamases-among-enterobacteriaceae-isolated-at-mulago-national-referral-hospital-uganda
#14
Lucas Ampaire, Emmanuel Nduhura, Izale Wewedru
OBJECTIVE: Enterobacteriaceae, common causes of health care associated and community acquired infections are mainly treated with beta-lactam agents. Our study objective was to determine the prevalence and common enterobacteriaceae pathogen producing extended spectrum beta lactamases (ESBLs). The isolates were recovered from various clinical specimens. This was cross sectional study conducted between July 2016 and September 2016 at Mulago National Referral Hospital, Uganda. We used ChromID™ ESBL agar (Biomerieux SA, Lyon, France) and Vitek2 compact system GN83 card (BioMerieux Inc, Hazelwood, Missouri, USA) to detect and confirm presence of phenotypic extended spectrum beta lactamases producing pathogens respectively...
September 6, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28877672/chronic-lower-extremity-wound-infection-due-to-kerstersia-gyiorum-in-a-patient-with-buerger-s-disease-a-case-report
#15
Irmak Baran, Arife Polat Düzgün, İpek Mumcuoğlu, Neriman Aksu
BACKGROUND: Kerstersia gyiorum is an extremely rare pathogen of human infection. It can cause chronic infection in patients with underlying conditions. It can easily be misdiagnosed if proper diagnostic methods are not used. CASE PRESENTATION: A 47-year-old male patient with a history of Buerger's Disease for 28 years presented to our hospital with an infected chronic wound on foot. The wound was debrided, and the specimen was sent to Microbiology laboratory. Gram staining of the specimen showed abundant polymorphonuclear leukocytes and gram-negative bacilli...
September 6, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28877183/quantitative-proteomics-analysis-reveals-the-tolerance-of-wheat-to-salt-stress-in-response-to-enterobacter-cloacae-sbp-8
#16
Rajnish Prakash Singh, Ashish Runthala, Shahid Khan, Prabhat Nath Jha
Salinity stress adversely affects the plant growth and is a major constraint to agriculture. In the present study, we studied the role of plant growth promoting rhizobacterium (PGPR) Enterobacter cloacae SBP-8 possessing ACC deaminase activity on proteome profile of wheat (Triticum aestivum L.) under high salinity (200 mM NaCl) stress. The aim of study was to investigate the differential expressed protein in selected three (T-1, T-2, T-3) treatments and absolute quantification (MS/MS analysis) was used to detect statistically significant expressed proteins...
2017: PloS One
https://www.readbyqxmd.com/read/28876168/complete-sequence-of-pcy-ctx-a-plasmid-carrying-a-phage-like-region-and-an-isecp1-mediated-tn2-element-from-enterobacter-cloacae
#17
Zhenbo Xu, Jinhong Xie, Ling Yang, Dingqiang Chen, Brian M Peters, Mark E Shirtliff
A plasmid pCY-CTX carrying a phage-like backbone from an extensively drug-resistant Enterobacter cloacae strain Guangzhou-ECL001 (previously known as CY01) was identified in this study. By Illumina MiSeq 2 × 250-bp paired-end sequencing, de novo assembly, and PCR, full sequence of pCY-CTX was obtained. Plasmid pCY-CTX was a circular plasmid with a length of 116,700 bp, harboring 136 putative open reading frames with the average G + C content of 50.8%. The backbone of pCY-CTX showed high identity to previously reported phage-like plasmid pHCM2 and phage SSU5...
September 6, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/28873428/evaluation-of-robenidine-analog-ncl195-as-a-novel-broad-spectrum-antibacterial-agent
#18
Abiodun D Ogunniyi, Manouchehr Khazandi, Andrew J Stevens, Sarah K Sims, Stephen W Page, Sanjay Garg, Henrietta Venter, Andrew Powell, Karen White, Kiro R Petrovski, Geraldine Laven-Law, Eliane G Tótoli, Hérida R Salgado, Hongfei Pi, Geoffrey W Coombs, Dean L Shinabarger, John D Turnidge, James C Paton, Adam McCluskey, Darren J Trott
The spread of multidrug resistance among bacterial pathogens poses a serious threat to public health worldwide. Recent approaches towards combating antimicrobial resistance include repurposing old compounds with known safety and development pathways as new antibacterial classes with novel mechanisms of action. Here we show that an analog of the anticoccidial drug robenidine (4,6-bis(2-((E)-4-methylbenzylidene)hydrazinyl)pyrimidin-2-amine; NCL195) displays potent bactericidal activity against Streptococcus pneumoniae and Staphylococcus aureus by disrupting the cell membrane potential...
2017: PloS One
https://www.readbyqxmd.com/read/28871553/treatment-with-granulocyte-colony-stimulating-factor-in-the-refeeding-phase-of-anorexia-nervosa-complicated-with-severe-neutropenia-and-sepsis-a-case-report
#19
Haruki Komatsu, Karin Hayashi, Fukiko Higashiyama
Leukopenia is frequently observed in patients with anorexia nervosa (AN). However, serious infectious diseases are infrequent in patients with AN. We present the case of a 13-year-old girl with AN complicated with severe neutropenia and sepsis upon refeeding. Her body mass index was 11 kg/m(2) and her absolute neutrophil count (ANC) was 1555/µL on admission. After the initiation of refeeding, her ANC gradually declined to 346/µL. High fever occurred and a blood culture tested positive for Enterobacter cloacae...
September 4, 2017: Eating and Weight Disorders: EWD
https://www.readbyqxmd.com/read/28870092/emergence-of-arma-and-rmtb-genes-among-vim-ndm-and-imp-metallo-%C3%AE-lactamase-producing-multidrug-resistant-gram-negative-pathogens
#20
Sangeetha Gopalakrishnan, Arunagiri Kamalanathan, Sivaranjani Rajan, Vijay Manohar Bhagat, M K Showkath Ali
In the recent years, it has been noted that microorganisms with acquired resistance to almost all available potent antibiotics are increasing worldwide. Hence, the use of antibiotics in every clinical setup has to be organized to avoid irrational use of antibiotics. This study was aimed to establish the pattern of antibiotic sensitivity and relevance of antimicrobial resistance in aerobic Gram-negative bacilli. A total of 103 aerobic Gram-negative bacteria namely Escherichia coli, Klebsiella pneumoniae, Enterobacter spp...
September 5, 2017: Acta Microbiologica et Immunologica Hungarica
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