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Enterobacter cloacae

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
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
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
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
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
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
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
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
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
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
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
Yi-Wei Huang, Yu Wang, Yun Lin, Chin Lin, Yi-Tsung Lin, Cheng-Chih Hsu, Tsuey-Ching Yang
Penicillin binding proteins (PBPs) are involved in peptidoglycan synthesis, and their inactivation is linked to β-lactamase expression in ampR-β-lactamase module-harboring Gram-negative bacteria. There are seven annotated PBP genes, namely, mrcA, mrcB, pbpC, mrdA, ftsI, dacB, and dacC, in the Stenotrophomonas maltophilia genome, and these genes encode PBP1a, PBP1b, PBP1c, PBP2, PBP3, PBP4, and PBP6, respectively. In addition, S. maltophilia harbors two β-lactamase genes, L1 and L2, whose expression is induced via β-lactam challenge...
July 2017: MSystems
Reza Derafshi, Abdollah Bazargani, Jannan Ghapanchi, Yazdan Izadi, Hooman Khorshidi
AIMS AND OBJECTIVES: Dentures in the oral cavity may act as a reservoir of microorganisms, which may be related to systemic infections. The aim of this study was to investigate the nonoral pathogenic bacteria in the oral cavity of patients with removable dentures in Shiraz, Southern Iran. MATERIALS AND METHODS: The bacterial flora of saliva samples from 50 men and 50 women with removable dentures and 100 age- and sex-matched controls with normal dentate were compared using culture, Gram staining, and API20E Kit methods...
July 2017: Journal of International Society of Preventive & Community Dentistry
Kesia Esther da Silva, Tháigor Rezek Varella, Graciela Mendonça Dos Santos Bet, Cecília Godoy Carvalhaes, Maisa Estopa Correa, Nathalie Gaebler Vasconcelos, Julio Croda, Ana Cristina Gales, Simone Simionatto
We describe a clonal dissemination of KPC-producing Enterobacter cloacae in a Brazilian hospital. Patients diagnosed with theses isolates showed high mortality rate (41.8%) and were associated with previous use of antibiotics and urinary catheterization. Therefore, infection control measures and use of stricter antibiotic policies are required to control the spread of these organisms.
August 22, 2017: American Journal of Infection Control
Laila S Al Yazidi, Brendan McMullan, Saeed Kohan, Pamela Palasanthiran
We present a case of Gram-negative neurosurgical meningitis in a neonate, refractory to optimal intravenous therapy and removal of ventriculo-peritoneal shunt. Cerebrospinal fluid was sterilized within 24 hours using intraventricular colistin. This is the first report of intraventricular colistin use in neonatal meningitis caused by Enterobacter cloacae.
August 24, 2017: Pediatric Infectious Disease Journal
Na Du, Shumin Liu, Min Niu, Yong Duan, Shuangmeng Zhang, Jing Yao, Jian Mao, Ran Chen, Yan Du
BACKGROUND: In recent years, New Delhi metallo-beta-lactamases 1 (bla NDM-1) has been reported with increasing frequency and become prevalent. The present study was undertaken to investigate the epidemiological dissemination of the bla NDM-1 gene in Enterobacter cloacae isolates at a teaching hospital in Yunnan, China. METHODS: Antimicrobial susceptibility testing was performed using VITEK 2 system and E test gradient strips. The presence of integrons and insertion sequence common region 1 were examined by PCR and sequencing...
August 22, 2017: Annals of Clinical Microbiology and Antimicrobials
Helio S Sader, Mariana Castanheira, Dee Shortridge, Rodrigo E Mendes, Robert K Flamm
The in vitro activity of ceftazidime-avibactam and many comparator agents was determined against various resistant subsets of organisms selected among 36,380 Enterobacteriaceae and 7,868 Pseudomonas aeruginosa. Isolates were consecutively collected from 94 US hospitals, and all isolates were tested for susceptibility by reference broth microdilution methods in a central monitoring laboratory (JMI Laboratories). Enterobacteriaceae isolates resistant to carbapenems (CRE) and/or ceftazidime-avibactam (MIC ≥16 μg/mL) were evaluated for the presence of genes encoding ESBLs, KPC, NDM, and transferable AmpC enzymes...
August 21, 2017: Antimicrobial Agents and Chemotherapy
Fábio P Sellera, Miriam R Fernandes, Quézia Moura, Tiago A Souza, Louise Cerdeira, Nilton Lincopan
OBJECTIVES: Aquatic environments have contributed to the dissemination of multidrug-resistant (MDR) bacteria, representing a risk for humans and animals. The aim of this study was to report the first draft genome sequence of a MDR Enterobacter cloacae strain recovered from seawater in a public beach in Brazil. METHODS: The genome was sequenced on an Illumina MiSeq platform. De novo genome assembly was performed using SPAdes 3.10.1 and the whole genome sequence was analysed using bioinformatics tools from the Center of Genomic Epidemiology...
September 2017: Journal of Global Antimicrobial Resistance
Marco Coppi, Antonio Cannatelli, Alberto Antonelli, Ilaria Baccani, Vincenzo Di Pilato, Samanta Sennati, Tommaso Giani, Gian Maria Rossolini
OBJECTIVES: To evaluate a novel method, named Colistin-MAC test, for phenotypic screening of acquired colistin-resistance mediated by transferable mcr-1 resistance determinants, based on colistin MIC reduction in the presence of dipicolinic acid (DPA). METHODS: The Colistin-MAC test consists in a broth microdilution method, in which colistin MIC is tested in absence or presence of DPA (900 μg/mL). Overall, 74 colistin-resistant strains of Enterobacteriaceae (65 Escherichia coli and 9 of other species), including 61 strains carrying mcr-1-like genes and 13 strains negative for mcr genes, were evaluated with the Colistin-MAC test...
August 18, 2017: Clinical Microbiology and Infection
Roger Marti, Roger Stephan, Jochen Klumpp, Magdalena Nüesch-Inderbinen, Jörg Hummerjohann, Claudia Bagutti, Katrin Zurfluh
Here we present the complete genome sequence of Enterobacter cloacae 704SK10, a Swiss wastewater isolate encoding an OXA-48 carbapenemase. Assembly resulted in closed sequences of the 4,876,946-bp chromosome, a 111,184-bp IncF plasmid, and an OXA-48-encoding IncL plasmid (63,458 bp) nearly identical to the previously described plasmid pOXA-48.
August 17, 2017: Genome Announcements
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