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International Journal of Microbiology

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https://www.readbyqxmd.com/read/28070190/susceptibility-profiles-of-mycobacterium-ulcerans-isolates-to-streptomycin-and-rifampicin-in-two-districts-of-the-eastern-region-of-ghana
#1
Enid Owusu, Mercy Jemima Newman, Nana Konama Kotey, Amos Akumwena, Elizabeth Bannerman
Background. Drug resistance is a major challenge in antibiotic chemotherapy. Assessing resistance profiles of pathogens constitutes an essential surveillance tool in the epidemiology and control of infectious diseases, including Buruli ulcer (BU) disease. With the successful definitive management of BU using rifampicin and streptomycin, little attention had been paid to monitoring emergence of resistant Mycobacterium ulcerans (M. ulcerans) isolates in endemic communities. This study investigated the susceptibility profiles of M...
2016: International Journal of Microbiology
https://www.readbyqxmd.com/read/28058048/performance-of-the-who-2011-tb-symptom-screening-algorithm-for-pulmonary-tb-diagnosis-among-hiv-infected-patients-in-gondar-university-referral-hospital-ethiopia
#2
Martha Alemayehu Menberu
The new WHO 2011 guidelines on TB screening among HIV-infected individuals recommend screening using four TB symptoms (current cough, fever, weight loss, and night sweats). This study aimed to assess the performance of WHO 2011 TB symptom screening algorithm for diagnosing pulmonary TB in HIV patients and identify possible risk factors for TB. Institutional based cross-sectional study was conducted from February 2012 to November 2012. A total of 250 HIV-infected patients aged ≥18 years visiting the University of Gondar Hospital, ART clinic, were enrolled...
2016: International Journal of Microbiology
https://www.readbyqxmd.com/read/28058047/effect-of-trehalose-and-trehalose-transport-on-the-tolerance-of-clostridium-perfringens-to-environmental-stress-in-a-wild-type-strain-and-its-fluoroquinolone-resistant-mutant
#3
Miseon Park, Wilfrid J Mitchell, Fatemeh Rafii
Trehalose has been shown to protect bacterial cells from environmental stress. Its uptake and osmoprotective effect in Clostridium perfringens were investigated by comparing wild type C. perfringens ATCC 13124 with a fluoroquinolone- (gatifloxacin-) resistant mutant. In a chemically defined medium, trehalose and sucrose supported the growth of the wild type but not that of the mutant. Microarray data and qRT-PCR showed that putative genes for the phosphorylation and transport of sucrose and trehalose (via phosphoenolpyruvate-dependent phosphotransferase systems, PTS) and some regulatory genes were downregulated in the mutant...
2016: International Journal of Microbiology
https://www.readbyqxmd.com/read/28044080/detection-of-anti-leptospira-igm-antibody-in-serum-samples-of-suspected-patients-visiting-national-public-health-laboratory-teku-kathmandu
#4
Krishna Prasad Dahal, Supriya Sharma, Jeevan Bahadur Sherchand, Bishnu Prasad Upadhyay, Dwij Raj Bhatta
Leptospirosis is a globally distributed zoonosis with varied clinical outcomes and multiorgan involvement in humans. In this study conducted from July 2011 to December 2011, 178 serum samples from patients suspected of leptospirosis were tested by Panbio IgM ELISA at National Public Health Laboratory, Kathmandu, out of which 51 (28.65%) were positive for anti-Leptospira IgM antibody. Leptospirosis was more common in people in their 2nd and 3rd decades of their life which together comprised 56.86% of the total positive cases...
2016: International Journal of Microbiology
https://www.readbyqxmd.com/read/27872643/antibiotic-susceptibility-patterns-of-bacterial-isolates-from-pus-samples-in-a-tertiary-care-hospital-of-punjab-india
#5
Rugira Trojan, Lovely Razdan, Nasib Singh
We determined the prevalence and antibiotic susceptibilities patterns of bacterial isolates from pus samples collected from patients in a tertiary care hospital of Punjab, India. E. coli was the most prevalent pathogen (51.2%) followed by Staphylococcus aureus (21%), Klebsiella pneumoniae (11.6%), Pseudomonas aeruginosa (5.8%), Citrobacter spp. (3.5%), Acinetobacter baumannii (2.3%), Proteus mirabilis (2.3%), and Streptococcus spp. (2.3%). E. coli, K. pneumoniae, A. baumannii, and Citrobacter isolates were resistant to multiple antibiotics including higher generation cephalosporins...
2016: International Journal of Microbiology
https://www.readbyqxmd.com/read/27829836/audit-of-helicobacter-pylori-testing-in-microbiology-laboratories-in-england-to-inform-compliance-with-nice-guidance-and-the-feasibility-of-routine-antimicrobial-resistance-surveillance
#6
Rosalie Allison, Donna M Lecky, Megan Bull, Kim Turner, Gauri Godbole, Cliodna A M McNulty
Introduction. The National Institute for Health and Clinical Excellence (NICE) guidance recommends that dyspeptic patients are tested for Helicobacter pylori using a urea breath test, stool antigen test, or serology. Antibiotic resistance in H. pylori is globally increasing, but treatment in England is rarely guided by susceptibility testing or surveillance. Aims. To determine compliance of microbiology laboratories in England with NICE guidance and whether laboratories perform culture and antibiotic susceptibility testing (AST)...
2016: International Journal of Microbiology
https://www.readbyqxmd.com/read/27795709/biological-characteristics-and-antimicrobial-activity-of-endophytic-streptomyces-sp-tqr12-4-isolated-from-elite-citrus-nobilis-cultivar-ham-yen-of-vietnam
#7
Phan Thi Hong-Thao, Nguyen Vu Mai-Linh, Nguyen Thi Hong-Lien, Nguyen Van Hieu
Ham Yen orange (Citrus nobilis Lour) is the highly valuable commercial fruit of Vietnam. With the blooming of fruit production and farming area, this specialty crop is facing threats from several serious diseases; therefore the search for new effective biocontrollers is required to prevent the existing excessive use of fertilizers and plant protection chemicals. Endophytic actinomycetes are of great scientific interest due to their high potential of application in agriculture and pharmaceutical research. In this work, endophytic actinomycetes were isolated from a native orange species of Northeast mountainous province Tuyen Quang...
2016: International Journal of Microbiology
https://www.readbyqxmd.com/read/27746817/antibiotic-resistance-of-diverse-bacteria-from-aquaculture-in-borneo
#8
M M Kathleen, L Samuel, C Felecia, E L Reagan, A Kasing, M Lesley, S C Toh
The administration of antimicrobials in aquaculture provides a selective pressure creating a reservoir of multiple resistant bacteria in the cultured fish and shrimps as well as the aquaculture environment. The objective of this study was to determine the extent of antibiotic resistance in aquaculture products and aquaculture's surrounding environment in Sarawak, Malaysian Borneo. Ninety-four identified bacterial isolates constituted of 17 genera were isolated from sediment, water, and cultured organisms (fish and shrimp) in selected aquaculture farms...
2016: International Journal of Microbiology
https://www.readbyqxmd.com/read/27725834/impact-of-some-ecological-factors-on-fecal-contamination-of-drinking-water-by-diarrheagenic-antibiotic-resistant-escherichia-coli-in-zagazig-city-egypt
#9
Ahmed Elsadek Fakhr, Maha Kamal Gohar, Amal Hassan Atta
Fecal contamination of drinking water is a major health problem which accounts for many cases of diarrhea mainly in infants and foreigners. This contamination is a complex interaction of many parameters. Antibiotic resistance among bacterial isolates complicates the problem. The study was done to identify fecal contamination of drinking water by Diarrheagenic Antibiotic-Resistant Escherichia coli in Zagazig city and to trace reasons for such contamination, three hundred potable water samples were investigated for E...
2016: International Journal of Microbiology
https://www.readbyqxmd.com/read/27721831/chemical-composition-and-antibacterial-activity-of-essential-oils-of-tagetes-minuta-asteraceae-against-selected-plant-pathogenic-bacteria
#10
Martin Muthee Gakuubi, John M Wagacha, Saifuddin F Dossaji, Wycliffe Wanzala
The objective of this study was to determine the chemical composition and antibacterial activity of essential oils (EOs) of Tagetes minuta against three phytopathogenic bacteria Pseudomonas savastanoi pv. phaseolicola, Xanthomonas axonopodis pv. phaseoli, and Xanthomonas axonopodis pv. manihotis. The essential oils were extracted using steam distillation method in a modified Clevenger-type apparatus while antibacterial activity of the EOs was evaluated by disc diffusion method. Gas chromatography coupled to mass spectrometry (GC/MS) was used for analysis of the chemical profile of the EOs...
2016: International Journal of Microbiology
https://www.readbyqxmd.com/read/27703481/comment-on-bacteria-in-cancer-therapy-renaissance-of-an-old-concept
#11
COMMENT
Amin Talebi Bezmin Abadi
No abstract text is available yet for this article.
2016: International Journal of Microbiology
https://www.readbyqxmd.com/read/27688771/phosphate-solubilization-potential-of-rhizosphere-fungi-isolated-from-plants-in-jimma-zone-southwest-ethiopia
#12
Firew Elias, Delelegn Woyessa, Diriba Muleta
Phosphorus (P) is one of the major bioelements limiting agricultural production. Phosphate solubilizing fungi play a noteworthy role in increasing the bioavailability of soil phosphates for plants. The present study was aimed at isolating and characterizing phosphate solubilizing fungi from different rhizospheres using both solid and liquid Pikovskaya (PVK) medium. A total of 359 fungal isolates were obtained from 150 rhizosphere soil samples of haricot bean, faba bean, cabbage, tomato, and sugarcane. Among the isolates, 167 (46...
2016: International Journal of Microbiology
https://www.readbyqxmd.com/read/27667998/bacterial-etiology-and-antibiotic-resistance-profile-of-community-acquired-urinary-tract-infections-in-a-cameroonian-city
#13
Rolf Nyah-Tuku Nzalie, Hortense Kamga Gonsu, Sinata Koulla-Shiro
Introduction. Community-acquired urinary tract infections (CAUTIs) are usually treated empirically. Geographical variations in etiologic agents and their antibiotic sensitivity patterns are common. Knowledge of antibiotic resistance trends is important for improving evidence-based recommendations for empirical treatment of UTIs. Our aim was to determine the major bacterial etiologies of CAUTIs and their antibiotic resistance patterns in a cosmopolitan area of Cameroon for comparison with prescription practices of local physicians...
2016: International Journal of Microbiology
https://www.readbyqxmd.com/read/27635144/antibacterial-and-antibiofilm-effect-of-low-viscosity-chitosan-against-staphylococcus-epidermidis
#14
Inger Sofie Dragland, Håkon Valen Rukke, Ida S R Stenhagen, Jessica Lönn-Stensrud, Hilde M Kopperud
Aim. The aim of this study was to investigate the antibacterial and antibiofilm properties of low viscosity chitosan on S. epidermidis growth and biofilm formation. Methods and Results. The antibacterial and antibiofilm properties were investigated, during both planktonic growth and biofilm formation. This was performed using different concentrations in media and by coating on polystyrene surfaces. In addition, the bactericidal effect was investigated using a modified direct contact test. The results showed that low viscosity chitosan in media had both a bacteriostatic and bactericidal effect on planktonic growth and biofilm formation of S...
2016: International Journal of Microbiology
https://www.readbyqxmd.com/read/27563310/identification-of-common-bacterial-pathogens-causing-meningitis-in-culture-negative-cerebrospinal-fluid-samples-using-real-time-polymerase-chain-reaction
#15
Walaa Shawky Khater, Safia Hamed Elabd
Background. Meningitis is a serious communicable disease with high morbidity and mortality rates. It is an endemic disease in Egypt caused mainly by Streptococcus pneumoniae, Neisseria meningitidis, and Haemophilus influenzae. In some settings, bacterial meningitis is documented depending mainly on positive cerebrospinal fluid (CSF) culture results or CSF positive latex agglutination test, missing the important role of prior antimicrobial intake which can yield negative culture and latex agglutination test results...
2016: International Journal of Microbiology
https://www.readbyqxmd.com/read/27555872/microbial-content-of-bowl-water-used-for-communal-handwashing-in-preschools-within-accra-metropolis-ghana
#16
Patience B Tetteh-Quarcoo, Isaac Anim-Baidoo, Simon Kwaku Attah, Bawa Abdul-Latif Baako, Japheth A Opintan, Andrew A Minamor, Mubarak Abdul-Rahman, Patrick F Ayeh-Kumi
Objective. This study aimed at determining the microbial content of "bowl water" used for communal handwashing in preschools within the Accra Metropolis. Method. Six (6) preschools in the Accra Metropolis were involved in the study. Water samples and swabs from the hands of the preschool children were collected. The samples were analysed and tested for bacteria, fungi, parasites, and rotavirus. Results. Eight different bacteria, two different parasites, and a fungus were isolated while no rotavirus was detected...
2016: International Journal of Microbiology
https://www.readbyqxmd.com/read/27528875/influence-of-vinasse-application-in-the-structure-and-composition-of-the-bacterial-community-of-the-soil-under-sugarcane-cultivation
#17
Wellington Pine Omori, André Ferreira de Camargo, Karla Cristina Stropa Goulart, Eliana Gertrudes de Macedo Lemos, Jackson Antônio Marcondes de Souza
Although the use of vinasse as a waste helps replenish soil nutrients and improves the quality of the sugarcane crop, it is known that vinasse residues alter the diversity of bacteria naturally present in the soil. The actual impacts of vinasse application on the selection of bacterial taxa are not understood because no studies have addressed this phenomenon directly. Analysis of 16S rRNA gene clone sequences from four soil types showed that the soil planted with sugarcane and fertilized with vinasse has a high diversity of bacteria compared to other biomes, where Acidobacteria were the second most abundant phylum...
2016: International Journal of Microbiology
https://www.readbyqxmd.com/read/27478443/physicochemical-and-antibacterial-properties-of-chitosan-extracted-from-waste-shrimp-shells
#18
José Carlos Vilar Junior, Daylin Rubio Ribeaux, Carlos Alberto Alves da Silva, Galba Maria De Campos-Takaki
This research aims to study the production of chitosan from shrimp shell (Litopenaeus vannamei) of waste origin using two chemical methodologies involving demineralization, deproteinization, and the degree of deacetylation. The evaluation of the quality of chitosan from waste shrimp shells includes parameters for the yield, physical chemistry characteristics by infrared spectroscopy (FT-IR), the degree of deacetylation, and antibacterial activity. The results showed (by Method 1) extraction yields for chitin of 33% and for chitosan of 49% and a 76% degree of deacetylation...
2016: International Journal of Microbiology
https://www.readbyqxmd.com/read/27446213/pattern-of-bacterial-pathogens-and-their-susceptibility-isolated-from-surgical-site-infections-at-selected-referral-hospitals-addis-ababa-ethiopia
#19
Walelign Dessie, Gebru Mulugeta, Surafael Fentaw, Amete Mihret, Mulu Hassen, Engida Abebe
Background. The emergence of multidrug resistant bacterial pathogens in hospitals is becoming a challenge for surgeons to treat hospital acquired infections. Objective. To determine bacterial pathogens and drug susceptibility isolated from surgical site infections at St. Paul Specialized Hospital Millennium Medical College and Yekatit 12 Referral Hospital Medical College, Addis Ababa, Ethiopia. Methods. A cross-sectional study was conducted between October 2013 and March 2014 on 107 surgical site infected patients...
2016: International Journal of Microbiology
https://www.readbyqxmd.com/read/27313620/group-b-streptococcus-colonization-among-pregnant-women-attending-antenatal-care-at-tertiary-hospital-in-rural-southwestern-uganda
#20
Abdul Namugongo, Joel Bazira, Yarine Fajardot, Ngonzi Joseph
Objectives. This study sought to determine the prevalence and factors associated with group B streptococcal anogenital colonization among pregnant women attending antenatal care at Mbarara Regional Referral Hospital, a tertiary hospital. Methods. Cross-sectional study where 309 pregnant women ≥ thirty-five weeks of gestation attending antenatal clinic were consecutively recruited between January and March 2015. Anovaginal swabs were collected and tested qualitatively using rapid visual immunoassay GBS test kits for presence of GBS antigens...
2016: International Journal of Microbiology
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