African Journal of
Bacteriology Research

  • Abbreviation: J. Bacteriol. Res.
  • Language: English
  • ISSN: 2006-9871
  • DOI: 10.5897/JBR
  • Start Year: 2009

JBR Articles

March 2018

Beijing and the T superfamily, the major families among multidrug-resistant (MDR) Mycobacterium tuberculosis isolates from Senegal

To determine the molecular profile of the multidrug-resistant (MDR) strains of Mycobacterium tuberculosis isolated in Senegal. From 2011 to 2014, 43 MDR strains isolated at the National Reference Laboratory for Mycobacteria of the National Antituberculosis Program (NAP) were characterized by spoligotyping. Nine different spoligotypes were identified, three of which were unique, the other six forming clusters of two to...

Author(s): Dia M. L., Affolabi D., Gueye P. A. L., Sanoussi N., Diouf B., Sow A. I. and Cissé M. F.

November 2017

Studies on antibacterial spectrum of extracts of stem bark of Azadirachta indica A. Juss on some clinical isolates associated with urinary tract infection

This investigation was aimed at determining the antibacterial activity of extracts of stem bark of Azadirachta indica A. Juss on some clinical isolates. Results of preliminary analysis showed that the stem bark of A. indica possesses alkaloids, flavonoids, tannins, cardiac glycosides, phlobotannins and phenols. The ethanol extract produced higher antibacterial activity against all test microorganisms compare to the...

Author(s): Olaoluwa Bolu Success, Ugboko Harriet, Bobai Mathew and De Nandita

August 2017

Antimicrobial activity of secondary metabolites obtained with different carbon sources at different stages of the Pseudomonas growth curve isolated from Fresnillo, Zacatecas, México mineral soils

The obtention of secondary metabolites from bacterial filtrates has permitted the identification of new compounds with diverse biotechnological applications. These metabolites were generated under different conditions. Eighty-six strains of Pseudomonas were isolated from mineral soils of the central region of Zacatecas to determine if these generated secondary metabolites possess antimicrobial activity against...

Author(s): Mayela Robles-Huízar, Susana De La Torre-Zavala, Myriam A. De La Garza-Ramos and Luis J. Galan-Wong

July 2017

An optimised in vitro protocol for mass production of Rhizophagus irregularis spores - for sustainable agriculture

The Arbuscular Mycorrhizal Fungus (AMF) plays a symbiotic vital role in most of the plant species by maintaining health, nutrient availability, against water stress, heavy metal resistance, against dreadful diseases with higher yields. To reach the requirement of AMF, large scale production practices can be required to produce specific strain aseptic inoculum. Carrot roots were selected for mass production of...

Author(s): B. Mohan Raj, R. Bharath Kumar, G. Venkata Rao and K. Sri Rama Murthy

April 2017

Evaluating the antimicrobial potency of crude extracts of Psidium guajava bark, leaves of Vernonia amygdalina, Carica papaya and whole plant of Phyllanthus niruri against specific pathogenic bacteria

The potency of hot water, cool water and ethanoilc extracts of bark and leaves of Psidium guajava, leaves of Vernonia amydalina, Carica papaya and whole plant of Phyllanthus niruri were assessed against isolates of Escherichia coli, Salmonella typhi, Pseudomonas aeruginosa, Staphylococcus aureus, and Candida albicans obtained from the Mampong Research Institute of Herbal medicine in the Eastern region of Ghana....

Author(s): Adetunde, L. A., Ninkuu, V. and Sacky, I.

February 2017

Evaluation of the antibacterial activities of leaf extracts of Achyranthus aspera

The fresh leaves of Achyranthes aspera Linn. soaked with water is traditionally used to treat skin infection in Ethiopia. The leaves are also applied traditionally to stop bleeding during cutoff in local people of Ethiopia. The above activities of the plant might be associated with antimicrobial activities. The leaves collected from their wild habitat were air dried under shade and ground into fine powder. The leaf...

Author(s): Asmamaw Habtamu and Yalemtsehay Mekonnen

January 2017

Antimicrobial resistance pattern of bacterial isolates from different clinical specimens in Southern Ethiopia: A three year retrospective study

Emergence of antimicrobial resistance is a major public health problem worldwide, particularly in developing countries. The effectiveness of currently available antibiotics is decreasing as a result of increasing resistant strains among clinical isolates. The aim of this study was to determine the antimicrobial resistance pattern of bacterial isolate from different clinical specimens at Hawassa University Referral...

Author(s): Anteneh Amsalu, Zeleke Geto, Demissie Asegu and Setegn Eshetie

November 2016

Antibiogram and the efficacy of leaf extract of Chromolena odorota (L.) R. M. King and H. Robinson on bacteria isolated from some swimming pools within Akure metropolis

Microorganisms being cosmopolitan are widely distributed in nature and can as well be found in swimming pools. These microorganisms contaminate swimming pools and other recreational water through indiscriminate defecation, contamination from rodents and birds etc. making these sources of water threat to human life. Concurrently, the resistant to conventional antibiotics has also increased the danger on people that are...

Author(s): Omoya, F. O. and Olukitibi, T. A.

November 2016

Screening of bacteria isolated from the environment for the capability to control mosquito larva

Malaria fever is a major disease that has killed millions of people in tropical and subtropical regions of the world. Mosquitoes are vectors of this debilitating and fatal disease. Therefore, mosquito control becomes paramount using environmentally friendly biological agents instead of chemicals. Water samples obtained from the gutters and water logged areas and soil samples analyzed resulted in 18 different bacteria...

Author(s): Josiah Asime Lennox, Onyinyechi Kalu and John Godwin Egbe

October 2016

Isolation and characterization of feather degrading bacteria from poultry waste

This study was conducted to isolate, partially purify and characterize keratinolytic microbes and their enzymes for commercial exploitation. A feather degrading bacterial strain was isolated from soil where poultry feathers were dumped by the poultry farms as a waste product. The isolated bacteria grew well at 37°C and the pH of 7.5. This isolate showed maximum feather degrading activity at 37°C. The enzyme...

Author(s): Manirujjaman M., Amin R., Nahid A. A. and Alam M. S.

February 2016

Phenotypic and genotypic analysis of vancomycin-resistant Enterococci strains isolated from different water sources

The purpose of this study was to investigate the phenotype, genotype and relationships of vancomycin-resistant Enterococcib (VRE) strains isolated from Minjiang River of Fujian province, residence district pond, university fish farm, cesspool and sewer. PCR was used to confirm Enterococci and amplify antibiotic resistance genes. Relationships between different strains were determined by repetitive extragenic palindromic...

Author(s): Jie Zhang, Yan-Qiu Wang, Jian Li, Yu-Fang Ma, Jin Lin, Zhen-Run Xiao and Dao-Jin Yu

January 2016

Morphometric and quantitative analysis of the intestine of Rattus rattus infected by Strongyloides spp.

Strongyloidiasis is caused by Strogyloides spp., which occurs when the parasite reaches the intestines. It is estimated that more than 370 million people throughout the world are infected with this disease. The aim of this study was to analyze the morphometric alterations and variation in the count of goblet cells of the jejunum of sinantropic rodents infected by Strongyloides spp., and to compare with non-infected...

Author(s): Adriana Valéria Batista, Ranulfo Piau Jr., Daniela Dib Gonçalves, Gabriel Coelho Gimenes, Fabiane Antiquera Ferreira, Edson Gerônimo, Wellington Henrique Bessi, Brenda Romite, Eduardo Herrera Dias and Valdeci Messa

December 2015

In vitro efficacy of certain botanicals and their effect on some biochemical properties of Pectobacterium carotovora susp. carotovora inoculated tomato (Lycopersicon esculentum L.)

Tomato (Lycopersicon esculentum L.) is a member of family Solanaceae. It is herbaceous, annual to perennial, prostrate and sexually propagated plant with bisexual flower. Tomatoes are attacked by many kinds of pathogens such as fungi, insects, nematodes, bacteria, viruses and viroid. Among bacterial diseases, bacterial soft rot devastates this important crop causing a huge decrease in yield and a greater loss in produce...

Author(s): Sabiu Hussaini Adamu and Abhilasha A. Lal

October 2015

Prevalence and characterization of NDM-1 and OXA-48 carbapenemase gene harboring Enterobacteriaceae in a tertiary care hospital, South India

The occurrence of carbapenem resistance among Enterobacteriaceae has reached critical levels worldwide. The present study was carried out to screen for carbapenem resistance among Enterobacteriaceae isolates from blood, surgical wound and tracheal samples in different wards and intensive care units between the period of 2010 through 2012 in a teaching hospital attached to JIPMER, south India. A total number of 425...

Author(s): Radha Srinivasan, Kalaiarasan Ellappan and Harish Belgode Narasimha

June 2015

Polymicrobial ventilator associated pneumonia and antibiotic susceptibility of bacterial isolates in a university hospital, Tabriz, Iran

Ventilator-associated pneumonia (VAP) is a common infection, developed in intensive care units (ICU). Early diagnosis and appropriate selection of antimicrobial therapy is important to reduce the mortality rate of these patients. Bronchoalveolar lavage (BAL) fluid was obtained from 27 patients, who fulfilled the criteria for ventilator-associated pneumonia. Samples underwent cytological and bacteriological analysis....

Author(s): Mohammad Esmaeil Hejazi, Masoud Nazemiyeh, Fatemeh Seifar and Fatemeh Beheshti

June 2015

Comparison between the Widal test and culturing technique in the diagnosis of enteric fever in Khartoum State, Sudan

Salmonella infection is a common bacteria disease that causes enteric fever in humans. Presently, Widal test, stool, blood and urine cultures are the most diagnostic means of confirming Salmonella infection in humans since they are based on the isolation, identification and demonstration of the presence of antibodies in the serum. However, the stool and serum sample of an infected patient against the (O) and (H)...

Author(s): Yagoub Hamadt Allah Elhaj Abd Elseed,

May 2015

Molecular and biochemical study of Anaplasma marginale in cattle in Wassit Province of Iraq

This study was designed to investigate the prevalence of bovine anaplasmosis among cattle from various areas in Wassit governorate; the investigation was performed on 184 blood samples collected from suspected cattle suffering from fever (41°C), severe anemia, pale mucus membrane, progressive emaciation and drop in milk yield, including 85 male and 99 female cattle, aged from < 1 year to > 2 years, the samples...

Author(s): Ghaidaa Abbas Jassem and Olaa A. Agaar

May 2015

Purification and characterization of tryptophan and indole-3-acetic acid produced by Serratia marcescens strain MCB associated with Oscheius sp. MCB (Nematoda: Rhabditidae) obtained from South African soil

Entomopathogenic nematodes (EPNs) of the genera Steinernema and Heterorhabditis are lethal to insect pests that attack plants. These EPNs are associated symbiotically with the two enterobacteria Xenorhabdus and Photorhabdus sp., respectively. The bacteria synthesize a range of insecticidal and antimicrobial metabolites which may be useful as agricultural pest control and medical disease control. Recently, EPNs...

Author(s): Mahloro H. Serepa, Nikita T. Tavengwa and Vincent M. Gray

April 2015

Acinetobacter spp. in the patients and environment of University Hospital of Yopougon, Côte d’Ivoire, from 2007 to 2011

The objective of this work was to study the epidemiology and antibiotic resistance of strains of Acinetobacter spp. in the University Hospital of Yopougon Abidjan. This work studied the Acinetobacter strains isolated from humans and environment of the hospital; they were preserved in the culture collection of the Laboratory of Bacteriology from January 2007 to December 2011. Isolation and identification were made by...

Author(s): S. Méité, Boni-Cissé C., Mlan Tanoa A. P., Zaba F. S., Faye-Ketté H., and Dosso M.,

April 2015

Potential biodegradation of low density polyethylene (LDPE) by Acinetobacter baumannii

Acinetobacter baumannii was isolated from municipal landfill area, Pallikaranai, Chennai, Tamilnadu. The degradation ability of the bacteria was determined by performing Fourier Transform Infrared Spectroscopy (FTIR). The by-products of polyethylene degradation were monitored by gas chromatography-mass spectrometer (GC-MS) analysis. The toxicity of degradation by-products of low density polyethylene (LDPE) was tested on...

Author(s): R. Pramila and K. Vijaya Ramesh

April 2015

Effect of high temperature on viability of Lactobacillus casei and analysis of secreted and GroEL proteins profiles

The bacterial heat shock response is characterized by the elevated expression of a number of chaperone complexes including the GroEL and the rate change of synthesis of certain proteins (total and secreted). In this work, after incubation at 45°C, total and secreted proteins profiles of stressed bacteria were found to be altered when analyzed by sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE)....

Author(s): Najla Haddaji, Boubaker Krifi, Rihab Lagha, Sadok Khouadja and Amina Bakhrouf

March 2015

Antibacterial activities of two medicinal herbs on Salmonella typhi isolates in Abakaliki, Ebonyi State, Nigeria: Improvement to herbal medicine

The study on the antibacterial activities of some medicinal plants on Salmonella typhi isolates in Abakaliki Ebonyi State was conducted using agar diffusion method. The study shows that there is high level yield in the dried leaves than in the wet leaves of the experimental plants (W/D). The investigation reveals that phenol yield is 296% W and 67% D in bitter leaf while oil yield in Utazi is 1.900 W and 1.034 D; phenol...

Author(s): Odikamnoro O. O. , Uhuo C. A., Ikeh I. M., Ogiji E. D., Ibiam, G.A., Azi, S.o., Akpam L. J. and Okoh N. F.

January 2015

Extended-spectrum-beta-lactamase producing uropathogenic Escherichia coli infection in Dhaka, Bangladesh

Extended-spectrum-beta-lactamase (ESBL) producing Escherichia coli that cause urinary tract infection (UTI) is a burning issue. This study was carried out to detect extended spectrum beta lactamase producing E. coli isolated from patients presented with UTI. This cross sectional study was conducted in the Department of Microbiology at Dhaka Medical College, Dhaka from January to December 2005, a period of one year....

Author(s): M. Saiful Islam, M. Abdullah Yusuf, Shaheen Ara Begum, AFM Arshedi Sattar, Afzal Hossain and Sushmita Roy

January 2015

Use of real time polymerase chain reaction (PCR) and histopathological changes for detection of the Toxoplasma gondii parasite in male rats (experimental study)

Toxoplasma gondii infection is wide spread in Iraq that is why this study was carried out to detect its presence in semen samples of infected male rats experimentally. Impression smears, real time polymerase chain reaction (PCR) and histopathological changes were used for detection of T. gondii. The current study included the isolation of local strains of T. gondii from placenta of women that experienced abortion that...

Author(s): Ghiadaa Abass Jassem

December 2014

Isolation and identification of Mannhemia and Pasturella species from pneumonic and apparently healthy cattle and their antibiogram susceptibility pattern in Bedelle District, Western Ethiopia

The study was conducted from October 2012 to April 2013 at Bedelle district, Western Ethiopia. The aim was to isolate Mannheimia and Pasteurella species, and to assess the associated risk factors from pneumonic and apparently healthy cattle, and antibiotic susceptibility profiles of the isolates. Out of 329 samples from animals (185 nasal swabs from clinic and 144 lung tissues abattoir) examined, 50.2% was found to be...

Author(s): Dereje Abera, Tesfaye Sisay and Tadesse Birhanu

August 2014

Production of biosurfactants by bacteria isolated from a mine tailing zone in Southern Mexico and their resistance to heavy metals

Tailings generated through mining processes often create leachates containing high concentrations of heavy metals such as As, Fe, Mn, Zn and Pb. These high concentrations of heavy metals result in environ-mental damage such as contamination of soil, groundwater and air, which represents a huge problem for individuals living near mining areas. An alternative for soil metal removal is microbiological processes including...

Author(s): Jeiry Toribio-Jiménez, Miguel Ángel Rodríguez-Barrera, Monserrat Valdez Lucena, Ashanti Barrera Flores, Daniel Segura, Víctor Wilson-Corral, Eugenia Flores Alfaro and Yanet Romero

June 2014

Antibiogram of Escherichia coli strains isolated from food of bovine origin in selected Woredas of Tigray, Ethiopia

Escherichia coli is a food borne pathogen causing a major public health problems. The use of antimicrobials in food animals produces resistant bacteria. To determine antimicrobial resistance of E. coli species isolated from food of bovine origin, a total of 384 of milk samples (n=192) and meat samples (n=192) were collected from different sources in 1:1 ratio in selected Woredas of Tigray, Ethiopia. Samples were...

Author(s): Abebe M., Hailelule A., Abrha B., Nigus A., Birhanu M., Adane H., Genene T., Daniel H. , Getachew G., Merga G. and Haftay A.

April 2014

Incidence and antibiotic susceptibility pattern of Vibrio species isolated from sea foods sold in Port-Harcourt, Nigeria

Most Vibrio infections are associated with the consumption of raw or undercooked sea foods or exposure of wounds to warm seawater. In this study, 63 samples of a variety of sea foods viz: shrimps, periwinkle, prawn, crayfish collected from two major household markets in Port-Harcourt were cultivated using standard bacteriological method on Thiosulphate Citrate Bile Sucrose (TCBS) agar. A total of 63 Vibrios belonging to...

Author(s): Chijioke A. Nsofor, Samuel T. Kemajou and Chibuzor M. Nsofor

February 2014

Detection of biofilm formation of a collection of fifty strains of Staphylococcus aureus isolated in Algeria at the University Hospital of Tlemcen

The burden of disease caused by Staphylococcus aureus continues to grow; this organism has the ability to form biofilm and it is also a frequent cause of medical device and implant-related infections. The objective of this study was to evaluate the biofilm-forming ability of a collection of clinical isolates of S. aureus. In a total of 240 Staphylococcus spp. isolated from catheters, retrieved at five services...

Author(s): GHELLAI Lotfi, HASSAINE Hafida, KLOUCHE Nihel, KHADIR Abdelmonaim, AISSAOUI Nadia, NAS Fatima and ZINGG Walter

February 2014

Antibiotic resistance and plasmid profile of Leuconostoc spp. isolated from carrot

In the present study, a total of 56 isolates were isolated from different root vegetables. Out of these, 17 isolates were identified as Leuconostoc spp. All the 17 isolates were checked for antibiotic sensitivity against different antibiotics. Results revealed that majority of the isolates were resistant to Penicillin G, Vancomycin, Oxacillin and Ceftazidime. Four isolates (S-9, S-13, S-37 and S-42) were resistant to...

Author(s): Mohit Agarwal, F. C. Garg and Y. K. Negi,

September 2013

DNA microarray-based detection of antibiotic resistance genes of human isolates of Escherichia coli in Nigeria

  Molecular epidemiology of human ecovariants of Escherichia coli from different regions of Nigeria were studied using their antibiotic susceptibility patterns, plasmid profile and DNA microarray techniques. E. coli was isolated using Eosin Methylene Blue agar (EMB) and identified by conventional microbiological technique. The isolates were tested against 14 antibiotics using the disc...

Author(s): Chijioke A. Nsofor, Christian U. Iroegbu, Douglas R. Call and Margaret A. Davies

September 2013

Evaluation of antimicrobial resistance of urinary tract isolated Esherichia coli from Omdurman Teaching Hospital in Sudan

  nfections caused by Escherichia coli have become a significant worldwide public health problem. The antibiotic resistance of E. coli isolated from the urine of patients of Omdurman Teaching Hospital, Sudan was investigated. The aim of this study was to evaluate the antimicrobial sensitivity of all the non serotyped urinary isolated E. coli. The antibiotic sensitivity test was carried...

Author(s): Khalid A Abdelhalim and Abdelrahim M Ibrahim

May 2013

Characterization of bacterial strains associated with sheath rot complex and grain discoloration of rice in North of Iran (Mazandaran province)

  In recent years, similar symptoms to sheath rot complex (SH C) and grain discoloration (GD) has been observed in paddy fields in the north of Iran. To survey the etiology of this complex disease, 207 samples of rice plants showing wide range of sheath and grain discoloration were collected during 2002-2005 at booting and ripening stages from various geographical locations in Mazandaran province....

Author(s): Esmaeil Saberi, Naser Safaie, Heshmatollah Rahimian

April 2013

Biodiversity of molecular profile of Staphylococcus aureus isolated from bovine mastitis cases in West Algeria

  Bovine mastitis is an inflammation of the mammary gland with local and or symptoms that occasionally result in a systemic infection. This disease has a profound impact on animal welfare and milk quality, and the most costly disease affecting dairy cows. The bacteria Staphylococcus aureus is one of the most frequently isolated pathogens from both subclinical and clinical infections. This study was...

Author(s): Nadjia BENHAMED and Mebrouk Kihal

April 2013

The presence of cagA genome in blood of infected patient with Helicobacter pylori as new marker

  Helicobacter pylori is a motile and gram negative bacterium, that has been associated with gastritis, peptic ulcer, and gastric adenocarcinoma. The strains ofHelicobacter pylori contain CagA associated with severe infections. To investigate the presence of cagA gene in Helicobacter pylori strains among patients’ sera, about 100 serum specimens that had positive antibody...

Author(s): Hatami saeideh, Esmaeili Davoud, Fallah Jali l. and Rezaee Jafar

March 2013

Antibiotic resistance profile of Escherichia coli isolated from five major geopolitical zones of Nigeria

  Information on the resistance profiles of clinical and non clinical human bacteria isolates in the developing countries can serve as important means of understanding the human pathogens drug resistance interactions in the zone. Escherichia coliisolated from five geopolitical zones of Nigeria were screened for anti-microbial resistance profile against 14 antibiotics using the disc diffusion method....

Author(s): Chijioke A. Nsofor and Christian U. Iroegbu 

March 2013

Antibiotic resistance patterns of strains of Staphylococcus aureus isolated from patients in three hospitals in Kumasi, Ghana

  Staphylococcus aureus continues to offer challenges to medical science in the area of resistance to chemotherapeutic agents leading to treatment failures using common antibiotics. In this study, S. aureus isolated from patients from three hospitals in Kumasi, Ghana were tested for their sensitivity to some reference antibiotics using the Kirby-Bauer agar disc diffusion method. A total of...

Author(s): Sixtus Bieranye Bayaa Martin Saana, Francis Adu, Christian Agyare, Stephen Yao Gbedema, Vivian Etsiapa Boamah and Duredoh Freeman George

February 2013

Retrospective and clinical studies of Marek’s disease in Zaria, Nigeria

  A ten year retrospective study (2000-2009) of Marek’s disease (MD) was conducted in the Veterinary Teaching Hospital, Ahmadu Bello University, Zaria. 3,039 different poultry diseases were recorded, MD represents 4.9%. 63% of MD was recorded in birds 10 to 20 weeks old, 9.3% in birds above 30 weeks and 2.0% in birds below ten weeks. MD occurred mainly during the pre-rainy to rainy seasons with a...

Author(s): Musa I. W., Bisalla M., Mohammed B., Sa’idu L. and Abdu P. A.

February 2013

Isolation and identification of a pathogen, Providencia rettgeri, in Bombyx mori

  A Gram-negative, rod-shaped bacterium, SY-1 strain, was isolated from a naturally infected silkworm Bombyx mori that was suffering from the common infection septicemia. The colony was round, slightly convex, smooth, moist, translucent, regular-edged and milky white on nutrient agar medium. The SY-1 was identified as a putative strain of Providencia rettgeri through its physiological...

Author(s): Jiao Zhang, Zhong-yuan Shen,, Xu-dong Tang, Li Xu, and Feng Zhu

January 2013

Spatial and temporal variation of Escherichia coli in water and soil with relation to water parameters at the estuary of Karnafuly River, Bangladesh

  This study examined the concentrations of Escherichia coli in soil and water samples, and some physicochemical properties of water collected from the Karnafuly River estuary, Bangladesh during March-June 2012. Among the water parameters, temperature was in the range 26.5  to 32°C, salinity varied between 0 and 5 ppt, pH values ranged from 7.5 to 7.9 and dissolved oxygen (DO) was...

Author(s): Md. Wahidul Alam and Mohammad Zafar

January 2013

Effects of Mn2+ levels on the resistance properties of Bacillus cereus spores

  In some Bacillus species, manganese levels influence the resistance properties of spores. To determine if this was true for Bacillus cereus, bacteria were sporulated with different MnCl2 concentrations resulting in spores with 30-fold differences in core Mn2+ levels. Spores with different Mn2+ levels displayed no differences in resistance to dry heat, UV...

Author(s):   Lawrence A. Klobutcher, Elena Gaidamakova, Michael J. Daly, Barbara Setlow, and Peter Setlow  

September 2012

Molecular detection of Chlamydia trachomatis among gynecological patients attending Khartoum Teaching Hospital

  To perform moleular detection of Chlamydia trachomatis among gynecological patients attending Khartoum Teaching Hospital. 200 endocerical smears were collected randomly from out-patient infertile women attending the Department of Obsetrcs and Gyencology, Khartoum Teaching Hospital (Sudan). Detection of C. trachomatis was performed by the polymerase chain reaction (PCR) technique....

Author(s): Mohammed A. Mohammed and Al Fadhil A. Omer

September 2012

Characterization of antibiotic resistance in environmental enteric pathogens from Kibera slum in Nairobi-Kenya

  Kibera slum is characterized by poor sanitation hence the frequent outbreaks of diarrheal diseases. Emergence of antibiotic resistance by diarrhoea-causing bacteria is an inevitable challenge in the area. Diarrhea-causing bacteria were isolated from water, soil, vegetables, meat and dry foods samples and their antibiotic susceptibility was characterized. 237 samples were aseptically collected and...

Author(s): Muhonja Christabel, Nancy Budambula, John Kiiru and Samuel Kariuki

August 2012

Antibiotic resistance pattern in bacterial isolates obtained from frozen food samples of animal origin in Sanandaj and Ahvaz

  One of the major public health challenges nowadays is the rapid emergence of antibiotic resistant pathogens. This study investigated the antibiotic resistance pattern in bacterial isolates obtained from frozen food samples of animal origin in Sanandaj and Ahvaz Iran. A total of 250 packages of food of animal origin were purchased from different separate grocery stores in Sanandaj and Ahvaz during one...

Author(s): Kalantar Enayat, Amin Mansour, Bahmani Nasrin, Tamimi Mohammad,  Hashemzadeh Mohammad  and Narenji Hanar

August 2012

Brucellosis: Prevalence and retrospective evaluation of risk factors in western cities of Tehran province, Iran

  Brucellosis is the commonest zoonotic disease that is spread worldwide. In this study, we aimed to compare 40 brucellosis cases with other big series in the literature in view of epidemiological and laboratory findings. A total of 40 brucellosis cases referred to Shahriar Health Center over a 3-year period were included in our study and patient files were reviewed for history and laboratory findings. Of the...

Author(s): Abas Bahador, Noormohamad Mansoori, Davood Esmaeili, Reza Amini Sabri

July 2012

Community-acquired methicillin-resistant Staphylococcus aureus carrying mecA and Panton-Valentine leukocidin (PVL) genes isolated from the holy shrine in Najaf, Iraq

  Two hundred and eighty six Staphylococcus aureus isolates were collected from separate places of the holy shrine in Najaf city, Iraq. Phenotypic and genotypic examination for community associated methicillin resistant S. aureus (CA-MRSA) isolates was carried out. Antibiotic and plasmid profiles of these isolates were also done. The CA-MRSA isolates were examined using polymerase...

Author(s): Ali M. Al-Mohana, Alaa H. Al-Charrakh, Fadhil H. Nasir, and Miaad K. Al-Kudhairy

July 2012

Bacillus megaterium, a new pathogen on lupine plants in Egypt

  The causal agents of bacterial blight in lupine (Lupinis termis) were isolated from leaves displaying symptoms in Minia governorate, Egypt. The pathogens were characterized by biochemical and physiological tests, and identified as Bacillus megaterium. Tissue extracts prepared from experimentally diseased shoot systems showed great pectolytic and cellulolytic activities while healthy tissue extracts of...

Author(s): Abdel-Monaim M. F., Gabr M. R., El-Gantiry S. M., Shaat M. N. and El-Bana A. A.

March 2012

Identification and pathogenicity of phytopathogenic bacteria associated with soft rot disease of girasole tuber in Egypt

  Six bacterial isolates were isolated from naturally infected tubers of girasole plants (Helianthus tuberosus L. cv. Balady) showing soft rot, which were collected from the experimental farm of the Faculty of Agriculture, Department of Horticulture, El-Minia University, during 2010 and 2011 growing seasons. Pathogenicity tests showed the virulence of the isolated bacteria in girasole tubers...

Author(s): Ismail M. E., Abdel-Monaim M. F. and Mostafa Y. M.

March 2012

Brevibacillus parabrevis, Acinetobacter baumannii and Pseudomonas citronellolis - Potential candidates for biodegradation of low density polyethylene (LDPE)

  Low density polyethylene is one of the polymers that is up till date nearly impossible to be degraded safely. Biodegradation is the safest method of breakdown that possibly leaves behind less toxic residue and shows potentials of bio-geo chemical cycling of the substrate. Considerable amount of work has been carried out in this area, but most of them...

Author(s): R. Pramila, Kesavaram Padmavathy, K. Vijaya Ramesh and Krishnan Mahalakshmi

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