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International Journal of Microbiology

Munmun B Marak, Biranthabail Dhanashree
Objective: The study aims to speciate clinical Candida isolates and detect their biofilm-forming ability and antifungal resistance. Methods: All the Candida spp. isolated from different clinical samples like pus, urine, blood, and body fluid were included in the study. Biofilm production was tested by the microtiter plate method. Antifungal susceptibility was studied by the disk diffusion method. Patient's demographic details such as age, sex, and clinical information were collected...
2018: International Journal of Microbiology
Rufus J Akinrinlola, Gary Y Yuen, Rhae A Drijber, Anthony O Adesemoye
Bacilli are commonly used as plant growth-promoting agents but can be limited in effectiveness to certain crop and soil environments. The objectives of this study were to (1) identify Bacillus strains that can be consistent in promoting the growth of corn, wheat, and soybean and (2) determine whether physiological traits expressed in vitro can be predictive of growth promotion efficacy/consistency and be used for selecting effective strains. Twelve Bacillus strains isolated from wheat rhizospheres were evaluated in greenhouse pot tests with nonsterile soil for their effects on the growth of corn, soybean, and wheat...
2018: International Journal of Microbiology
Maria L Schmitz Fontes, Heloísa Fernandes, Manoela Brandão, Mariana Coutinho Hennemann, Raquel Aparecida Loss, Valdelúcia Maria Alves de Souza Grinevicius, Denise Tonetta, Karina Cesca, Mônica Hessel Silveira, Mara Bedin, Derce Recouvreux, Regina Vasconcellos Antônio
The aim of this study was to investigate whether the bacterioplankton activity in the meso-eutrophic Conceição Lagoon would increase significantly under allochthonous inputs of inorganic nutrients and organic carbon. Abundance and biomass of bacterioplankton were evaluated under three treatments: light (14 h light/10 h dark), complete darkness (dark-control), and nutrient (C + N + P-dark, 100 : 10 : 1) enrichments during 72 h. Nutrient enrichments promoted a significant increase in abundance (maximum of 19...
2018: International Journal of Microbiology
Yamirot Merga Duffa, Kumera Terfa Kitila, Dereje Mamuye Gebretsadik, Adane Bitew
Background: Urinary tract infection (UTI) is considered as the most common bacterial infection seen among the pediatric patients. Objective: This study was carried out in order to determine the prevalence of urinary tract infection in pediatric patients, identify bacterial uropathogens responsible for the infection, and study the antibiotic sensitivity patterns of bacterial isolates. Materials and Methods: A cross-sectional study designed and conducted from January to April 2014...
2018: International Journal of Microbiology
Aicha El Baaboua, Mohamed El Maadoudi, Abdelhakim Bouyahya, Omar Belmehdi, Ayoub Kounnoun, Rajae Zahli, Jamal Abrini
Today, the general public has become increasingly aware of salmonellosis problems. Organic acids are known by their antimicrobial potential and commonly used for improving the quality of poultry feed. In this context, the present work evaluated the inhibitory effect of four organic acids, namely, acetic acid, citric acid, lactic acid, and tartaric acid, at different levels of contamination by Salmonella typhimurium . The neutralization of these organic acids in vitro and in the presence of one-day-old chick's organs was also investigated during the search for Salmonella serovars in birds as described in the Moroccan standard "NM 08...
2018: International Journal of Microbiology
Fredy Gamboa, Camila-Cristina Muñoz, Gloria Numpaque, Luis Gonzalo Sequeda-Castañeda, Sandra Janeth Gutierrez, Nohemi Tellez
Background: Chronic periodontitis is a multifactorial infectious disease, where multiple bacteria, such as Porphyromonas gingivalis , Prevotella intermedia , and Fusobacterium nucleatum are implicated. The main purpose of researching natural products is to find substances or compounds with antimicrobial activity. Aim: The objective of this work was to determine antimicrobial activity from extracts and obtained fractions from Piper marginatum Jacq and Ilex guayusa Loes on P...
2018: International Journal of Microbiology
Noha Ahmed Abd Alfadil, Malik Suliman Mohamed, Manal M Ali, El Amin Ibrahim El Nima
Background: Banknotes are one of the most exchangeable items in communities and always subject to contamination by pathogenic bacteria and hence could serve as vehicle for transmission of infectious diseases. This study was conducted to assess the prevalence of contamination by pathogenic bacteria in Sudanese banknotes, determine the susceptibility of the isolated organisms towards commonly used antibiotics, and detect some antibiotic resistance genes. Methods: This study was carried out using 135 samples of Sudanese banknotes of five different denominations (2, 5, 10, 20, and 50 Sudanese pounds), which were collected randomly from hospitals, food sellers, and transporters in all three districts of Khartoum, Bahri, and Omdurman...
2018: International Journal of Microbiology
Joseph Ngonzi, Lisa M Bebell, Joel Bazira, Yarine Fajardo, Dan Nyehangane, Yap Boum, Deborah Nanjebe, Adeline Boatin, Jerome Kabakyenga, Yves Jacquemyn, Jean-Pierre Van Geertruyden, Laura E Riley
Introduction: The proportion of women with severe maternal morbidity from obstructed labor is between 2 and 12% in resource-limited settings. Maternal vaginal colonization with group B streptococcus (GBS), Escherichia coli , and Enterococcus spp. is associated with maternal and neonatal morbidity. It is unknown if vaginal colonization with these organisms in obstructed labor women is associated with poor outcomes. Objectives: To determine whether vaginal colonization with GBS, E...
2018: International Journal of Microbiology
Abdulaziz Alqasim, Ahmad Abu Jaffal, Abdullah A Alyousef
The prevalence of extended-spectrum β -lactamase-producing Escherichia coli (ESBL-producing E. coli ) has recently increased worldwide. This study aims at determining the antimicrobial susceptibility patterns of a collection of clinical E. coli urine isolates and evaluating the ESBL carriage of these isolates at phenotypic and genotypic levels. A total of 100 E. coli urine isolates were collected at a tertiary healthcare centre in Riyadh from January 2018 to March 2018. Antimicrobial susceptibility testing was carried out for all isolates...
2018: International Journal of Microbiology
Agricola Joachim, Sabrina J Moyo, Lillian Nkinda, Mtebe Majigo, Sima Rugarabamu, Elizabeth G Mkashabani, Elia J Mmbaga, Naboth Mbembati, Said Aboud, Eligius F Lyamuya
Methicillin-resistant Staphylococcus aureus (MRSA) among health care workers (HCWs) increases the risk of spreading the organism in hospital settings. A cross-sectional study was conducted between June and October 2016 among HCWs in tertiary and regional hospitals in Dar es Salaam, Tanzania, to determine the MRSA nasal carriage rate. Nasal swabs were collected from HCWs and cultured on mannitol salt agar. S. aureus was identified based on colonial morphology, Gram staining, catalase, coagulase, and DNase test results...
2018: International Journal of Microbiology
Hellen Holanda Sena, Michele Alves Sanches, Diego Fernando Silva Rocha, Walter Oliva Pinto Filho Segundo, Érica Simplício de Souza, João Vicente Braga de Souza
[This corrects the article DOI: 10.1155/2018/5684261.].
2018: International Journal of Microbiology
Stephen T Odonkor, Kennedy K Addo
The control of infectious diseases is badly endangered by the rise in the number of microorganisms that are resistant to antimicrobial agents. This is because infections caused by resistant microorganisms often fail to respond to conventional treatment, resulting in prolonged illness and greater risk of death. Antimicrobial-resistant bacteria are also present in various water sources. This study therefore sought to document the microbiological quality and antibiograms of bacterial isolates ( E. coli strains) from six different water sources in order to determine their safety for human consumption and to provide updated antibiotic data for pragmatic treatment of patients...
2018: International Journal of Microbiology
Irene N Ogali, Lucy W Wamuyu, Jacqueline K Lichoti, Erick O Mungube, Bernard Agwanda, Sheila C Ommeh
Newcastle disease (ND) is a serious disease of poultry that causes significant economic losses. Despite rampant ND outbreaks that occur annually in Kenya, the information about the NDV circulating in Kenya is still scarce. We report the first countrywide study of NDV in Kenya. Our study is aimed at evaluating the genetic characteristics of Newcastle disease viruses obtained from backyard poultry in farms and live bird markets in different regions of Kenya. We sequenced and analyzed fusion (F) protein gene, including the cleavage site, of the obtained viruses...
2018: International Journal of Microbiology
Hailu Getachew, Awoke Derbie, Daniel Mekonnen
[This corrects the article DOI: 10.1155/2018/6413179.].
2018: International Journal of Microbiology
Rachel V Purcell, Nadeem O Kaakoush, Hazel M Mitchell, John F Pearson, Jacqueline I Keenan
Crohn's disease (CD) is an inflammatory disease of the gastrointestinal tract, with a rising incidence worldwide, particularly in children. CD is thought to arise due to an immune response to environmental factors. The role of bacteria in CD has recently been highlighted, and here, we examine the prevalence of two bacterial species, enterotoxigenic Bacteroides fragilis (ETBF) and Fusobacterium nucleatum , implicated in gastrointestinal pathologies, in a pediatric CD cohort. Stool samples from 30 children with treatment-naïve CD and 30 age- and sex-matched controls were collected, and DNA was extracted...
2018: International Journal of Microbiology
Gabriela C V Bard, Gabriel B Taveira, Thaynã A M Souza, Érica O Mello, Sávio B Souza, Alessandro C Ramos, André O Carvalho, Lídia S Pereira, Umberto Zottich, Rosana Rodrigues, Valdirene M Gomes
The objective of the present study was to evaluate the antimicrobial activity of the Cc -LTP2 and Cc -GRP peptides isolated from Coffea canephora seeds and their possible synergistic activity with the azole drug fluconazole and characterize their mechanisms of action on cells of pathogenic fungi. Cc -LTP2 and Cc -GRP alone or in combination with 20  µ g/mL of fluconazole were evaluated for their antimicrobial activity on the fungus Fusarium solani , and the effects of these peptides on the permeability of membranes and the induction of oxidative stress were determined...
2018: International Journal of Microbiology
Seid Ali, Martha Alemayehu, Mulat Dagnew, Teklay Gebrecherkos
Background: Enterococci are becoming the most important public health concern and emerging as multidrug-resistant organisms around the world including Africa particularly in Ethiopia where there is a lack of availability of effective antimicrobial drugs. However, there is a paucity of data on the prevalence and associated risk factors of vancomycin-resistant enterococci in Ethiopia. Objective: This study was aimed to assess the prevalence of vancomycin-resistant enterococci and its associated risk factors among HIV-positive and -negative clients...
2018: International Journal of Microbiology
Brice E N Wamba, Armelle T Mbaveng, Paul Nayim, Joachim K Dzotam, Ornella J T Ngalani, Victor Kuete
Background: In this study, 18 methanol extracts from Cameroonian edible plants were tested for their antibacterial activities against 26 strains of S. aureus ; the role of efflux pumps in the resistance of tested bacteria and the antibiotic resistance-modulating activities against selected multidrug-resistant (MDR) phenotypes were also investigated. Methods: Broth microdilution assay was used to evaluate the antibacterial activity, the role of efflux pumps, and the antibiotic resistance-modulating effects of plant extracts...
2018: International Journal of Microbiology
Teshale Worku, Dejene Derseh, Abera Kumalo
Background: Nosocomial infections occur among patients during their stay in hospitals. The severity of infection depends on the characteristics of microorganisms with a high risk of being acquired when the environment is contaminated. Antibiotic-resistant bacteria are emerging rapidly around the globe creating a serious threat. Methods: A cross-sectional study was conducted from December 2016-February 2017 at Mizan-Tepi University Teaching Hospital, Southwest Ethiopia...
2018: International Journal of Microbiology
Edson K Kemoi, Andrew Nyerere, Christine C Bii
The mainstay in prevention and treatment of aspergillosis is the use triazole drugs. In Kenya, the use of agricultural azole is one of the predisposing factors in development of resistance. One hundred fifty-six (156) experienced soils were collected from agricultural farms and cultured on Sabouraud DextroseAagar. The study isolated 48 yielded Aspergillus fumigatus and 2 A. flavus . All the isolates were subjected to antifungal susceptibility testing against three triazoles: posaconazole, voriconazole, and itraconazole...
2018: International Journal of Microbiology
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