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Artykuły w czasopismach na temat „Klebsiella pneumoniae biochemical characteristics”

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Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

EGUCHI, Masashi, Yuichi YOKOMIZO, and Chikara KUNIYASU. "Biochemical characteristics of Klebsiella pneumoniae derived from horses." Japanese Journal of Veterinary Science 49, no. 2 (1987): 279–83. http://dx.doi.org/10.1292/jvms1939.49.279.

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Yan, Kai, Changfu Li, Weiyu Wang, Juan Guo, and Haifeng Wang. "The Molecular Identification and Comprehensive Analysis of Klebsiella pneumoniae Isolated from Industrial Wastewater." Separations 11, no. 4 (2024): 121. http://dx.doi.org/10.3390/separations11040121.

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Industrial wastewater typically contains many organic and inorganic pollutants and is also contaminated by various microorganisms. Microbial species in industrial wastewater have not been extensively investigated. In this experiment, a Klebsiella pneumoniae strain was isolated for the first time from industrial wastewater containing a high concentration of sulfate and phosphate. Mass spectrometry, genetic analysis, and biochemical identification were conducted to understand the genetic and biochemical characteristics of this Klebsiella pneumoniae strain recovered from industrial wastewater. Gr

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Brisse, Sylvain, Virginie Passet, and Patrick A. D. Grimont. "Description of Klebsiella quasipneumoniae sp. nov., isolated from human infections, with two subspecies, Klebsiella quasipneumoniae subsp. quasipneumoniae subsp. nov. and Klebsiella quasipneumoniae subsp. similipneumoniae subsp. nov., and demonstration that Klebsiella singaporensis is a junior heterotypic synonym of Klebsiella variicola." International Journal of Systematic and Evolutionary Microbiology 64, Pt_9 (2014): 3146–52. http://dx.doi.org/10.1099/ijs.0.062737-0.

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Strains previously classified as members of Klebsiella pneumoniae phylogroups KpI, KpII-A, KpII-B and KpIII were characterized by 16S rRNA (rrs) gene sequencing, multilocus sequence analysis based on rpoB, fusA, gapA, gyrA and leuS genes, average nucleotide identity and biochemical characteristics. Phylogenetic analysis demonstrated that KpI and KpIII corresponded to K. pneumoniae and Klebsiella variicola , respectively, whereas KpII-A and KpII-B formed two well-demarcated sequence clusters distinct from other members of the genus Klebsiella . Average nucleotide identity between KpII-A and KpI

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Esmaeel, Jameela Radi, and Jinan Nadhim Sadeq. "Detection virulence factors of Klebsiella pneumonia from cattle by using PCR tec." Kufa Journal For Veterinary Medical Sciences 8, no. 1 (2017): 231–39. http://dx.doi.org/10.36326/kjvs/2017/v8i14303.

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Identification of K. pneumoniae was avaluated using conventional microbiological characteristics and molecular assays .Milk specimens were collected from cattle suffered from clinical symptoms of mastitis from different farms of AL-Qadisyiah province.Out of 45 samples obtained, 20 isolates ( 44.4 %) were detected as K. pneumonia according to morphology of colonies and biochemical features.Molecular detection of Klebsiella pneumoniae based 16S rRNA gene for determination two virulence factor genes(rmpA,magA) by using specific primer.These genes potent the pathogenesis of Klebisella pneumonia. T

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Esmaeel, Jameela Radi, and Jinan Nadhim Sadeq. "Detection virulence factors of Klebsiella pneumonia from cattle by using PCR tec." Kufa Journal For Veterinary Medical Sciences 8, no. 1 (2017): 231–39. http://dx.doi.org/10.36326/kjvs/2017/v8i14303.

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Identification of K. pneumoniae was avaluated using conventional microbiological characteristics and molecular assays .Milk specimens were collected from cattle suffered from clinical symptoms of mastitis from different farms of AL-Qadisyiah province.Out of 45 samples obtained, 20 isolates ( 44.4 %) were detected as K. pneumonia according to morphology of colonies and biochemical features.Molecular detection of Klebsiella pneumoniae based 16S rRNA gene for determination two virulence factor genes(rmpA,magA) by using specific primer.These genes potent the pathogenesis of Klebisella pneumonia. T

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Vega, Silvio, Fermín Acosta, Iván Landires та ін. "Phenotypic and genotypic characteristics of carbapenemase- and extended spectrum β-lactamase-producing Klebsiella pneumoniae ozaenae clinical isolates within a hospital in Panama City". Therapeutic Advances in Infectious Disease 8 (січень 2021): 204993612110549. http://dx.doi.org/10.1177/20499361211054918.

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Klebsiella pneumoniae spp ozaenae is a versatile bacterial species able to acquire antimicrobial resistance; the species presents a higher antimicrobial resistance profile compared to Klebsiella pneumoniae spp pneumoniae. Carbapenemase and extended spectrum β-lactamase (ESBL)-producing bacteria commonly arise in clinical settings where antimicrobial stewardship is limited. Our study aims to report the phenotypical and genetic characteristics of nosocomial Klebsiella pneumoniae spp ozaenae isolates associated with mortality collected from a tertiary-level hospital in Panama City. In October 202

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Patilaya, Popi, Dadang Irfan Husori, and Lany Marhafanny. "Susceptibility of Klebsiella Pneumoniae Isolated from Pus Specimens of Post-Surgery Patients in Medan, Indonesia to Selected Antibiotics." Open Access Macedonian Journal of Medical Sciences 7, no. 22 (2019): 3861–64. http://dx.doi.org/10.3889/oamjms.2019.520.

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AIM: This study was to determine the sensitivity of Klebsiella pneumonia isolated from pus specimens of post-surgery patients in Medan, Indonesia to selected antibiotics. METHODS: Samples were collected at the Laboratory of Microbiology, Faculty of Medicine, Universitas Sumatera Utara, Medan, Indonesia. The isolated bacteria were identified by Gram’s stain, colony characteristics, and biochemical tests. Susceptibility of K. pneumoniae isolates were tested to selected antibiotics including amikacin, meropenem, levofloxacin, ciprofloxacin, co-trimoxazole, ceftazidime, cefoperazone, cefurox

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8

He, Meirong, Haoyang Li, Zhenxing Zhang, et al. "Microbiological Characteristics and Pathogenesis of Klebsiella pneumoniae Isolated from Hainan Black Goat." Veterinary Sciences 9, no. 9 (2022): 471. http://dx.doi.org/10.3390/vetsci9090471.

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K. pneumoniae is an opportunistic pathogen that leads to widespread infection in humans and animals, seriously threatening human health and animal husbandry development. In our research, we investigated the biological characteristics of the isolate by using a 16S rRNA gene sequencing, biochemical assay, and drug sensitivity test. Moreover, the pathogenicity study, including the bacteria load determination, the histopathology examination, and the RNA sequencing was carried out to explore whether the isolate could cause lung injury in mice through intraperitoneal injection. The results indicated

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Lawal, Olabisi Promise, Joshua Odunayo Babatunde, Sandra Owusu-Ansah, et al. "Antibiogram and Molecular Characterization of Extended-Spectrum Beta-Lactamase-Producing Klebsiella pneumoniae in a Nigerian Teaching Hospital." Microbes, Infection and Chemotherapy 5 (March 24, 2025): e2305. https://doi.org/10.54034/mic.e2305.

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Background: Klebsiella pneumoniae is a gram-negative bacterium responsible for infections like urinary tract infections (UTIs) and is a leading cause of nosocomial infections in immunocompromised patients. Data on resistance profiles in Nigeria is limited. This study investigated the antibiogram and molecular characteristics of ESBL-producing Klebsiella pneumoniae at the University of Medical Sciences Teaching Hospital, Ondo State. Methods: A cross-sectional study analyzed 300 samples from urine, sputum, and wound infections. Isolates were cultured on MacConkey agar, followed by biochemical te

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Marín Ortega, Cristihian Gabriel. "Ventilator Associated Pneumonia at the University Hospital Dr. Luis Razetti” Barcelona, Anzoátegui, Venezuela." Journal of Medical and Biosciences Research 2, no. 1 (2025): 747–67. https://doi.org/10.70164/jmbr.v2i1.504.

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Introduction: Ventilator-associated pneumonia (VAP) is a lung infection that arises in patients receiving mechanical ventilation in intensive care units (ICU). This infection is one of the main causes of morbidity and mortality in hospitalized patients, especially in those who require prolonged mechanical ventilation. It is classified as early-onset and late-onset, presenting different etiological agents depending on its evolution. Methodology: An analytical, observational and prospective study was carried out on cases diagnosed with VAP presented during the period from August 1st, 2016 to Jul

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A. O. Abdelrahim, Abdalla, I. A. Abdelrhman, M. A. Abdalla, I. M. Fangama, and E. S. Siham. "Isolation and Identification of Food-Borne Bacteria Associated to Beef Carcass from Different Slaughter Houses in Khartoum State Sudan." International Journal of Current Microbiology and Applied Sciences 12, no. 10 (2023): 81–90. http://dx.doi.org/10.20546/ijcmas.2023.1210.010.

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In this investigation a total of 570 bacterial isolates were obtained from 450 beef carcass swab samples collected from different slaughter houses of Khartoum State. According to the cultural characteristics, bacterial morphology and biochemical reactions the identified bacteria were: Escherichia coli (32.3%), Klebsiella pneumoniae (27.2%), Proteus spp (21.2%) and Pseudomonas aeruginosa (19.3%) respectively. E.coli represented the predominant bacteria (32.3%) isolated from swab of beef carcass compared to other bacteria Klebsiella pneumoniae (27.2%), Proteus spp (21.2%), Pseudomonas aeruginosa

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Alameedy, Taif Hussien, and Mohammed Abdullah Jebor. "Purification and characterization of arginine deiminase from Klebsiella pneumoniae." Medical Journal of Babylon 21, no. 1 (2024): 129–36. http://dx.doi.org/10.4103/mjbl.mjbl_364_23.

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Abstract Background and Objectives: This study was aimed to characterize arginine deiminase (ADI) purified from Klebsiella pneumoniae in vitro. Materials and Methods: Precipitation with 70% saturated ammonium sulphate, ion exchange chromatography with a DEAE-cellulose column, and gel filtration chromatography throughout sepharose-6B were the three steps taken to isolate the arginine-degrading enzyme from a K. pneumoniae clinical isolate, which is a potent anticancer source. Results: After 5.9 folds of purification and 38.7% enzyme recovery, the specific activity of the purified enzyme reached

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Lakhman, A. R., O. Ye Galatiuk, T. A. Romanishina, and V. L. Behas. "Antagonistic effect of Bacillus subtilis isolated and identified from different honey species against Klebsiella pneumoniae bee pathogens." Ukrainian Journal of Veterinary and Agricultural Sciences 4, no. 3 (2021): 48–53. http://dx.doi.org/10.32718/ujvas4-3.08.

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The search for alternative methods for treating and preventing bee dysbacteriosis is a priority for beekeeping as a branch of veterinary medicine. Lime honey, buckwheat honey, flower honey, forest honey, and acacia honey were tested to evaluate their antagonistic effect against a test culture of enterobacteria of bees of Klebsiella pneumoniae species. The study was conducted in several stages: 1. Determine the activity of honey microflora against a pure culture of enterobacteria of bees of Klebsiella pneumoniae bee pathogens; 2. The identification and isolation of Bacillus subtilis – bacteria-

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Sadeq, Jenan Nadim, Azhar Abdulsada Neamah, Amenah Alaa Abdul Aziz, Ahmed Majeed Hussein, and Alyaa Abdulhussein Alsaedi. "Isolation, Identification and Antimicrobial Sensitivity of Klebsiella pneumoniae from Bovine Clinical Mastitis Cases." SAR Journal of Pathology and Microbiology 6, no. 03 (2025): 97–103. https://doi.org/10.36346/sarjpm.2025.v06i03.005.

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Klebsiella pneumoniae is a ubiquitous pathogen that affects a broad spectrum of hosts, including both animals and humans. It is one of the primary causative agents of clinical mastitis (CM) in dairy cows, contributing significantly to economic losses in the dairy industry, both in Iraq and globally. This study aimed to investigate the role of K. pneumoniae as a causative agent of clinical mastitis in Diwaniyah province, Iraq, and to assess the antibiotic susceptibility patterns of the isolates. A total of 30 milk samples were collected from various locations within Diwaniyah province between N

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Alizadeh, Rougayeh, Majid Alipour та Fatereh Rezaee. "Prevalence of Metallo-β-Lactamase Genes in Clinical Isolates of Klebsiella pneumoniae in Health Care Centers in Mazandaran Province". Avicenna Journal of Clinical Microbiology and Infection 8, № 4 (2021): 130–34. http://dx.doi.org/10.34172/ajcmi.2021.24.

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Background: Klebsiella pneumoniae is one of the most important causes of opportunistic infections, including lobar pneumonia, urinary tract infection (UTIs), and wound infection. Treatment of disease caused by this bacterium has also become a challenge, as many strains are resistant to all β-lactam antibiotics. Metallo-β-lactamases hydrolyze most β-lactam antibiotics, especially carbapenems, but cannot inactivate monobactams. This study aimed to determine the prevalence of Metallo-β-lactamase genes (blaIMP, blaVIM, and blaNDM) in K. pneumoniae isolated from clinical specimens. Methods: Clinica

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Oyedum, Mary Uche, Faruk Adamu Kuta, Abubakar Ndaman Saidu, and Hausatu Babayi. "Isolation of multidrug-resistant Escherichia coli and Klebsiella pneumoniae from urogenital samples of patients with Pelvic inflammatory disease in North Central Nigeria." BIOMED natural and applied science 02, no. 01 (2022): 37–45. http://dx.doi.org/10.53858/bnas02013745.

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Background: Pelvic inflammatory disease (PID) is one of the most prevalent gynaecological abnormalities associated with the female reproductive organs and infertility among women in the reproductive ages. This study was conducted to determine the prevalence of multidrug-resistant (MDR) bacteria isolated from patients with PID attending three hospitals in Niger State, Nigeria. Methods: A total of 390 samples; endocervical swabs (ECS) and urine samples were collected from 390 patients, using sterile swab sticks and sample containers. Screening for the presence of Klebsiella pneumoniae and Escher

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Awoke, Tewachew, Brhanu Teka, Aminu Seman, et al. "High Prevalence of Multidrug-Resistant Klebsiella pneumoniae in a Tertiary Care Hospital in Ethiopia." Antibiotics 10, no. 8 (2021): 1007. http://dx.doi.org/10.3390/antibiotics10081007.

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Klebsiella pneumoniae poses an urgent public health threat, causing nosocomial outbreaks in different continents. It has been observed to develop resistance to antimicrobials more easily than most bacteria. These days, multidrug-resistant strains are being increasingly reported from different countries. However, studies on the surveillance of multidrug-resistant Klebsiella pneumoniae are very rare in Ethiopia. This study aimed to determine the antimicrobial resistance patterns and magnitude of MDR K. pneumoniae isolates from patients attending or admitted to Tikur Anbessa Specialized Hospital

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Rueda-Puente, E. O., T. Castellanos, E. Troyo-Diéguez, and J. L. Díaz de León-Alvarez. "Effect of Klebsiella pneumoniae and Azospirillum halopraeferens on the growth and development of two Salicornia bigelovii genotypes." Australian Journal of Experimental Agriculture 44, no. 1 (2004): 65. http://dx.doi.org/10.1071/ea03012.

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Growth and development of 2 pickleweed (Salicornia bigelovii Torr.) genotypes, a local wild type and cultivar, SOS-10, were studied under field conditions. When inoculated with the previously selected and cultivated native strains of Klebsiella pneumoniae and Azospirillum halopraeferens, the 2 pickleweed genotypes exhibited increases in some of the growth and development parameters measured, such as weight, plant length and biochemical characteristics, including total protein, ash and total lipid content in selected plant parts. Our findings suggest that yields of both genotypes of S. bigelovi

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AKGÜL, Ömer. "Colistin- and Carbapenem-Resistant Klebsiella pneumoniae Isolated from Blood Cultures Among Neonates in a Regional Hospital in Turkey." International Journal of Medical Science and Clinical Invention 12, no. 04 (2025): 7626–32. https://doi.org/10.18535/ijmsci/v12i.04.05.

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pneumoniae is a cause for concern due to its ability to produce carbapenemases and carry multiple resistance genes, characteristics that define it as a 'difficult-to-treat' pathogen. This study aimed to perform a microbiological analysis of colistin- and carbapenem-resistant Klebsiella pneumoniae strains isolated from blood cultures of neonates in our hospital. Between January 2022 and December 2022, patients with bloodstream infections in the neonatal intensive care units (NICUs) at Van Training and Research Hospital were monitored. All isolates were identified using the Vitek II automated mi

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Kumar, M., and L. Prince. "Isolation and Characterization of Antibiotic-Resistant Bacteria from Urinary Tract Infection on Diabetic Mellitus Patients." Journal of Scientific Research 12, no. 3 (2020): 391–96. http://dx.doi.org/10.3329/jsr.v12i3.44368.

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Diabetes mellitus is a chronic disease-which occurs when the pancreas does not produce enough insulin, or when the body cannot effectively use the insulin it produces. This leads to an increased concentration of glucose in the blood (hyperglycemia). Diabetes mellitus is one of the most challenging health problems in India. The present study was investigated for isolation and characterization of antibiotic-resistant bacteria from urinary tract infection on diabetic mellitus patients. The 118 diabetic urine samples were collected and UTI bacteria using HiChrome UTI Agar was isolated. The diabeti

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Gül, A. "Biochemical parameters of cedar (Mezla) honey." South African Journal of Animal Science 54, no. 3 (2024): 377–86. https://doi.org/10.4314/sajas.v54i3.07.

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This study was conducted to determine the characteristics of cedar honey, which is an important honeydew honey produced on the Mediterranean coast of Turkey. The geographical classification of the honey was determined by applying carbon isotope, honey colour, aromatic compound, antioxidant activity, antibacterial minimum inhibitory concentration values, and physicochemical analyses to 16 samples collected from four regions. The investigation encompassed measurements of δ13C values for both protein and raw honey, obtaining the respective isotopic compositions of -25.48% and -26.67%. Diastase ac

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Jasim, Saadi Abd-Alkareem, Mohammed Maaroof, and Najwa Ahmed. "Detection of Polymorphism in the Gene blaKPC2 of Local Klebsiella pneumoniae Isolated from Iraqi Patients." Journal of Biotechnology Research Center 11, no. 1 (2017): 26–33. http://dx.doi.org/10.24126/jobrc.2017.11.1.495.

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Carbapenemases are clinically important because they destroy and may confer a resistance to carbapenems, severe infections caused by carbapenemase producers is associated with increased mortality. To achieve this goal, 180 samples were collected from different clinical sources included 92 urine, 33 smears of wounds, 13 smears of burns and 42 sputum. The samples were taken from patients attended Al-Yarmouk Teaching Hospital and Ibin Baladi Hospital in Baghdad Governorate. Diagnosis of bacterial isolates was done depending upon the microscopic examination, the cultured characteristics and bioche

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Kudzin, Marcin H., Zdzisława Mrozińska, Anna Kaczmarek, Jerzy J. Chruściel, Martyna Gloc, and Renata Żyłła. "Preparation and Biochemical and Microbial Behavior of Poly(Lactide) Composites with Polyethersulfone and Copper-Complexed Cellulose Phosphate." Materials 18, no. 13 (2025): 2954. https://doi.org/10.3390/ma18132954.

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This research investigates the biochemical and microbiological characteristics of a composite comprising poly(lactide) (PLA) combined with polyethersulfone (PESf) and copper-complexed cellulose phosphate (CelP-Cu). The material was produced using the pneumothermic melt-blown method and then modified with polyethersulfone and cellulose phosphate, followed by complexation with copper ions using the dip-coating technique. Comprehensive physicochemical and biological evaluations were conducted to characterize the composite. The physicochemical assessments involved elemental analysis (C, O, Cu) and

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PEIL, GREICE H. S., ANELISE V. KUSS, ANDRÉS F. G. RAVE, JOSÉ P. V. VILLARREAL, YOHANA M. L. HERNANDES, and PATRÍCIA S. NASCENTE. "Bioprospecting of lipolytic microorganisms obtained from industrial effluents." Anais da Academia Brasileira de Ciências 88, no. 3 suppl (2016): 1769–79. http://dx.doi.org/10.1590/0001-3765201620150550.

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ABSTRACT The lipases have ability to catalyze diverse reactions and are important in different biotechnological applications. The aim of this work was to isolate and characterize microorganisms that produce lipases, from different food industry effluents localized in Pelotas, RS/Brazil. Bacteria were identified using Gram stain and biochemical tests (Vitek 2(r)). Fungi were identified according to macro and micromorphology characteristics. The extracellular lipase production was evaluated using the Rhodamine B test and the enzymatic activity by titration. Twenty-one bacteria were isolated and

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Garuba, Taofeeq, Nency Katrodiya, Nikita Patel, et al. "Antibacterial activity of Urena lobata against uropathogens." Nigerian Journal of Natural Products and Medicine 25, no. 1 (2021): 43–46. http://dx.doi.org/10.4314/njnpm.v25i1.3.

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Urinary tract infections (UTI) are one of the most common form of bacterial infections but the treatment becomes cumbersome as the etiological bacteria are developing resistance against antibiotics. This present study evaluated the efficacy of antimicrobial activity of Urena lobata against uropathogens. Six urine samples from UTI patients were collected from Pathological Laboratory, G.B. Vaghani Multispecialty Hospital, Surat. Bacteria were isolated from these samples using Nutrient agar, Mac Conkey agar plate, Blood agar, Mannitol salt agar, Eosin Methylene Blue agar and King’s agar. The bact

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Dessie, Tewodros, Mohabaw Jemal, Minwuyelet Maru, and Moges Tiruneh. "Multiresistant Bacterial Pathogens Causing Bacterial Pneumonia and Analyses of Potential Risk Factors from Northeast Ethiopia." International Journal of Microbiology 2021 (March 8, 2021): 1–9. http://dx.doi.org/10.1155/2021/6680343.

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Background. Pneumonia is the most common cause of morbidity and mortality in developing countries, mostly caused by different species of bacterial pathogens. Hence, patient management needs awareness of the pathogens and antimicrobial susceptibility testing (AST). This study was aimed to assess the type of bacterial isolates and their antimicrobial susceptibility patterns among pneumonia suspected patients at Dessie Referral Hospital, Northeast Ethiopia. Potential risk factors were also assessed to apply preventive measures accordingly. Materials and Methods. A cross-sectional study design was

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Maesha, Afra Nawer, Lolo Wal Marzan, and Yasmin Akter. "Identification and Antibiogram Studies of Pathogenic Bacteria Isolated From Drinking Water (Unpackaged) In Chittagong City, Bangladesh." Journal of Bangladesh Academy of Sciences 42, no. 2 (2018): 137–53. http://dx.doi.org/10.3329/jbas.v42i2.40041.

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Drinking water (unpackaged) samples were collected from twenty roadside shops of different locations in Chittagong metropolitan area, where physicochemical parameters (pH, TDS, temperature) were not exceeded WHO prescribed range in most cases. TVC, TCC, TFCC, TSC, Salmonella spp. and Vibrio spp. were found contaminated as 85%, 70%, 50%, 20%, 30% and 75%, respectively. All the bacterial isolates (n=43) were found positive for 16S rDNA gene, while 12 isolates were coliform positive identified by lacZ gene amplification. Nine bacterial genera were finally identified depending on biochemical chara

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Shah, Samreen, Ghulam Asghar Mako, Sarfraz Ahmed Tunio, and Shaista Bano. "BACTERIOLOGICAL ANALYSIS OF URINARY TRACT INFECTIONS AT HYDERABAD, SINDH." Pakistan Journal of Biotechnology 21, no. 2 (2024): 279–83. http://dx.doi.org/10.34016/pjbt.2024.21.02.921.

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Urinary Tract Infections (UTI) is a condition in which micro-organisms multiply within the tract to establish infection. The aim of this study was to assess bacteriological profiling of UTI in Hyderabad, Pakistan. Isolation and identification of bacterial uropathogens were carried out using standard microbiological methods such as microscopic analysis, cultural characteristics, and biochemical testing. A total of 320 urine samples were investigated for bacteriological analysis. Among them, 116 (36.26%) urine samples yielded bacterial growth, which included 74 (23.12%) female and 42 (13.13%) ma

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S. Shaikh, Shaguftanaz, Swaleha A. Shaikh, Rahul S. More, and G. R. Pathade. "Isolation and Characterization of Pigment Producing Bacteria from Solid Food Waste Samples." Ecology, Environment and Conservation 29 (2023): 220–23. http://dx.doi.org/10.53550/eec.2023.v29i03s.041.

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Due to increasing advertence of hazards of chemical colours, biocolours produced by pigment producing microorganisms can be helpful option to be used commercially. In the current study it was attempted to isolate pigment producing bacteria from solid food waste samples which are rich in microflora. Three isolates designated as IS-1, IS-2 and IS-3 were obtained which were later tentatively identified as Staphylococcus roseus (red pigment), Staphylococcus saprophyticus (pink pigment) and Micrococcus luteus (lemon yellow pigment), respectively on the basis of morphological and biochemical charact

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Kadhem, Noor, and Ahmed Atya. "Clinical and Biochemical Insights into Biofilm-Forming Bacteria Isolated from Dialysis Patients." University of Thi-Qar Journal of Science 12, no. 1 (2025): 148–57. https://doi.org/10.32792/utq/utjsci/v12i1.1359.

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Bacterial biofilms are difficult to eradicate and cause a significant number of complications in the management of dialysis patients resulting in more frequent infections and worse morbidity. The purpose of the present research paper is to study the characteristics of biofilm producing bacteria sampled from dialysis patients and their relationships with clinical and biochemical features. Urine cultures from 121 participants were used and yielded a total of 23 bacterial isolates. From the 23 samples, E. coli (n=15) had the highest frequency of moderate biofilm formation with 46.67% of the isola

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Joy Omonyemen Oboh, Malachy Chigozie Ugwu, and Angus Nnamdi Oli. "Antibiotic resistance characterization and detection of BLAIMP gene among uropathogenic Escherichia coli and klebsiella pneumoniae isolates in Okada, Edo State, Nigeria." GSC Advanced Research and Reviews 22, no. 3 (2024): 126–36. https://doi.org/10.30574/gscarr.2025.22.3.0051.

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Antibiotic resistance is a major public health issue worldwide and became one of the principal international healthcare crises of the 21st century. The production of MBL is one of the resistance mechanisms in Enterobacteriaceae, and they are increasingly detected in Escherichia coli and Klebsiella pneumoniae globally. Therefore, the aim of this study was to determine the phenotypic and molecular characteristics of MBL-producing E. coli and K. pneumoniae among Okada patients in IUTH with UTIs. A total of 300 urine samples were obtained from Igbinedion Univeristy Teaching Hospital in Okada betwe

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Pascale, Tetty Aya Marie, Gnali Gbohounou Fabrice, Yao Djeha Rosine, Yao Kouamé Eric, and Dosso Mireille. "Evaluation of the Consistency of MALDI-TOF Results with Traditional Methods for the Identification of Urease-producing Enterobacteriaceae in Wastewater from Abidjan, Côte d'Ivoire." Journal of Advances in Microbiology 24, no. 7 (2024): 71–76. http://dx.doi.org/10.9734/jamb/2024/v24i7840.

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The aim of this study was to evaluate the concordance between Matrix-Assisted Laser Desorption/Ionization-Time of Flight (MALDI-TOF) mass spectrometry and traditional biochemical methods for identifying urease-producing Enterobacteria in wastewater samples. This research was a comparative study assessing the efficacy of MALDI-TOF mass spectrometry versus traditional biochemical methods for bacterial identification. The study was conducted in Abidjan over a period of five weeks. A total of 50 wastewater samples were collected for analysis. The samples underwent a two-step enrichment process: in

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Ohkusu, Kiyofumi. "Cost-Effective and Rapid Presumptive Identification of Gram-Negative Bacilli in Routine Urine, Pus, and Stool Cultures: Evaluation of the Use of CHROMagar Orientation Medium in Conjunction with Simple Biochemical Tests." Journal of Clinical Microbiology 38, no. 12 (2000): 4586–92. http://dx.doi.org/10.1128/jcm.38.12.4586-4592.2000.

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The algorithm for a new identification system was designed on the basis of colony color and morphology on CHROMagar Orientation medium in conjunction with simple biochemical tests such as indole (IND), lysine decarboxylase (LDC), and ornithine decarboxylase (ODC) utilization tests with gram-negative bacilli isolated from urine samples as well as pus, stool, and other clinical specimens by the following colony characteristics, biochemical reactions, and serological results: pinkish to red, IND positive (IND+), Escherichia coli; metallic blue, IND+, LDC+, and ODC negative (ODC−), Klebsiella oxyt

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B, Subash, Vijayan P, Senthilmurugan S, and Ramarajan K. "Bioremediation of textile dye effluents using indigenous earthworm Lampito mauritii (Kinberg)." International Journal of Zoology and Applied Biosciences 6, no. 6 (2021): 305–11. http://dx.doi.org/10.55126/ijzab.2021.v06.i06.029.

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The present study is intended to assess and monitor the Bioremediation of textile dye effluent using Lampito mauritii earthworm. The study focus on the bioremediation of surface water of SIPCOT dye industry Cuddalore district over a period of one year and has revealed variations among the different parameters at different study sites. For the analysis of surface water three sampling sites were selected for the study. In the area, from SIPCOT dye industry to Cuddalore district the parameters concentration was decreased and it is useful for drinking purpose. Heavy metals such as copper and zinc

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P., Vijayan. "BIOREMEDIATION OF TEXTILE DYE EFFLUENTS USING INDIGENOUS EARTHWORM LAMPITO MAURITII (KINBERG)." International Journal of Zoology and Applied Biosciences 6, no. 6 (2021): 305–11. https://doi.org/10.5281/zenodo.5805347.

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The present study is intended to assess and monitor the Bioremediation of textile dye effluent using Lampito mauritii earthworm. The study focus on the bioremediation of surface water of SIPCOT dye industry Cuddalore district over a period of one year and has revealed variations among the different parameters at different study sites. For the analysis of surface water three sampling sites were selected for the study. In the area, from SIPCOT dye industry to Cuddalore district the parameters concentration was decreased and it is useful for drinking purpose. Heavy metals such as copper and zinc

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Jyotirmaya, Nayak, Prusty Nilamadhaba, Kumar Rajsamant Nagendra, Panda Sridhar, and Sahoo Saubhagya. "Antibiotic Susceptibility Pattern of Uropathogens in Urinary Tract Infection in a Tertiary Care Hospital." International Journal of Pharmaceutical and Clinical Research 15, no. 12 (2023): 319–26. https://doi.org/10.5281/zenodo.11187053.

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<strong>Background:</strong> Urinary tract infection (UTI) is one of the most frequent infectious illnesses in the population, especially in underdeveloped countries where healthcare and economic resources are limited. The infection of the urinary system is also known as pyelonephritis (kidney infection) or cystitis (bladder infection). Escherichia coli (E. coli), Klebsiella pneumoniae (K. pneumoniae), Citrobacter species, Enterobacter species, Pseudomonas aeruginosa (P. aeruginosa), and Staphylococcus species are examples of UTI bacteria. <strong>Aims & Objectives: </strong

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Imade, Emmanuel, Ben Enagbonma, Dorin Ediagbonya, et al. "Profiling the biocontrol agents, nitrogen-fixing bacteria, and indole acetic acid-producing bacteria in anthill soil." Proceedings of the Nigerian Academy of Science 17, no. 1s (2024): 111–21. http://dx.doi.org/10.57046/xkhk1386.

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Due to the adverse ecological impacts of prolonged and excessive use of agrochemicals, many researchers have called for the adoption of eco-friendly materials in farming. Consequently, the aim of this study is to profile the biocontrol agents, nitrogen-fixing, and indole-acetic-acid-producing bacteria present in anthill soil. Anthill soils and adjacent soils were collected, and their physicochemical properties were analysed using standard analytical methods. Viable bacteria were isolated and screened for plant growth-promoting (PGP) activity using standard biochemical, morphological, and bacte

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Benmoumou, Sarra, Fella Hamaidi-Chergui, Khaoula Bouznada, Noureddine Bouras, Mahfoud Bakli, and Atika Meklat. "Antibiotic Resistance Pattern of Enterobacteriaceae Strains Isolated from Community Urinary Tract Infections in Algiers, Algeria." Advanced Research in Life Sciences 7, no. 1 (2023): 46–53. http://dx.doi.org/10.2478/arls-2023-0006.

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Abstract Urinary tract infections (UTIs) are currently one of the most important medical practice visits. The spread of antibiotic-resistant bacteria in the community complicates the therapeutic management. The aim of this study is to investigate the bacteria associated with community acquired urinary tract infections (CA-UTIs) and the antibiotic resistance pattern of bacterial isolates during 2021 in Algiers, northern Algeria. A total of 548 urine samples from patients with CA-UTIs symptoms were analyzed. Pure bacterial isolates were identified using morphological and biochemical characterist

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Koilybayeva, Moldir, Zhanserik Shynykul, Gulbaram Ustenova, et al. "Molecular Characterization of Some Bacillus Species from Vegetables and Evaluation of Their Antimicrobial and Antibiotic Potency." Molecules 28, no. 7 (2023): 3210. http://dx.doi.org/10.3390/molecules28073210.

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Numerous natural habitats, such as soil, air, fermented foods, and human stomachs, are home to different Bacillus strains. Some Bacillus strains have a distinctive predominance and are widely recognized among other microbial communities, as a result of their varied habitation and physiologically active metabolites. The present study collected vegetable products (potato, carrot, and tomato) from local markets in Almaty, Kazakhstan. The bacterial isolates were identified using biochemical and phylogenetic analyses after culturing. Our phylogenetic analysis revealed three Gram-positive bacterial

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Adel Qasim, Doaa. "Isolation and identification of some types of histamine-producing bacteria from shrimp in local markets." Sumer 1 8, CSS 1 (2023): 1–10. http://dx.doi.org/10.21931/rb/css/s2023.08.01.47.

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Different genera and species of bacteria were isolated from shrimp, which were brought from the Al-Faw area in the Basra governorate, and these isolates were diagnosed after purification through studying their phenotypic characteristics and conducting API confirmation, biochemical tests, motility examination and staining with gram stain, in addition to using different types of diagnostic tools bacteria. Twenty-five bacterial isolates of genera and species of bacteria were isolated and diagnosed from shrimp. Morganella morganii sub. Morganii,, Klebsiella pneumonia sub. Pneumonia, Proteus marina

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Hussien, Faleeha Habeeb, Abeer H. Al-Khafaf, and Nada F. Al-Rawi. "The Effect of Grapefruit Extracts on Causative Agents of Vaginitis among Women in Babylon Governorate, Iraq." Medical Journal of Babylon 22, no. 2 (2025): 426–31. https://doi.org/10.4103/mjbl.mjbl_817_23.

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Abstract Background: Vaginitis is inflammation of the vagina caused by a disruption in the normal vaginal flora. Objectives: This research aims to study the inhibitory activity of raw grapefruit juice, alcoholic, and aqueous grapefruit peel extract against the agents causing vaginitis among women in Babylon Governorate. Materials and Methods: A total of 177 women attending the Gynaecology and Obstetrical Department at Hilla Teaching Hospital in Babylon Governorate were included in the present study. All patients were complaining of vaginitis. The specimens collected in this study were cultured

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Moglad, Ehssan H. "Antibiotics Profile, Prevalence of Extended-Spectrum Beta-Lactamase (ESBL), and Multidrug-Resistant Enterobacteriaceae from Different Clinical Samples in Khartoum State, Sudan." International Journal of Microbiology 2020 (October 24, 2020): 1–6. http://dx.doi.org/10.1155/2020/8898430.

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One of the global requirements for controlling the occurrence of resistance to antimicrobial drugs is to understanding the resistivity profile of various clinical isolates. Therefore, this study aimed to deliver the indication of different resistant profiles of clinically isolated Enterobacteriaceae from different sources of samples from Khartoum state, Sudan, and to determine the prevalence rate of extended-spectrum beta-lactamase (ESBL), multidrug-resistant (MDR), extensively drug-resistant (XDR), and pandrug-resistant (PDR) bacteria. A total of 144 Gram-negative bacteria were collected from

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Abdelgader, Leila M. Ahmed, Areej Osman Shik Aldeen, Ghanem Mohammed Mahjaf, Tibyan Abd Almajed Altaher, and Mosab Nouraldein Mohammed Hamad. "Detection of Extended Spectrum Beta-Lactamase (ESBLs) among Urinary Tract Patients in Khartoum State, Sudan." Journal of Clinical and Biomedical Investigation 3, no. 1 (2023): 6–10. http://dx.doi.org/10.52916/jcbi234023.

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Background: Many different organisms can cause urinary tract infections, but Escherichia coli, Klebsiella pneumoniae, Proteus mirabilis, Enterococcus faecalis, and Staphylococcus saprophyticus are the most prevalent ones. 60% of all antibiotics used to treat infectious diseases around the world are beta-lactam antibiotics, one of the main classes used to fight gram-negative and gram-positive bacteria. Objective: The purpose of this study is to detect and isolate Extended-Spectrum Beta-Lactamases (ESBLs), which are responsible for urinary tract infections, as well as check for any potential med

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Trivedi, Moha S., та Manish Nagendra. "Characteristics of blood infections and phenotypic detection of extended-spectrum β-lactamases in ICU patients in Central India posing a challenge". International Journal of Research in Medical Sciences 11, № 4 (2023): 1296–302. http://dx.doi.org/10.18203/2320-6012.ijrms20230879.

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Background: Bloodstream infection (BSI) is defined by positive blood cultures in a patient with systemic signs of infection and may be either secondary to a documented source or primary, that is, without identified origin. The aim of this study was to improvise blood culture systems for a quicker, optimum diagnosis and prompt treatment. Methods: A prospective study was conducted with total of 309 samples for determining the bacteriological profile and prevalence of ESBL in BSI’s in patients admitted in the ICU’s (surgical/medical/gynaecological) with the suspicion of sepsis. Samples received i

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Ivanytsia, V. O., М. D. Shtenikov, I. V. Strashnova, et al. "Characteristics of marine strain Streptomyces sp. with antimicrobial and cytotoxic activity." Biosystems Diversity 31, no. 4 (2023): 451–59. http://dx.doi.org/10.15421/012354.

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The Black Sea is a unique water basin consisting of a thin superficial oxygenic layer with moderate salinity, and a deep anoxic water mass. The microbiota of the Black Sea remains relatively understudied, which makes it interesting first of all from the most practical point of view of the search for producers of new biologically active compounds. A strain of actinobacteria Streptomyces sp. ONU 561 was isolated from the surface of mussel shells collected in the coastal zone of Odesa. It demonstrated a wide range of antagonistic activity, inhibiting the growth of a set of opportunistic pathogens

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Daoud, Ziad, and Claude Afif. "Escherichia coli Isolated from Urinary Tract Infections of Lebanese Patients between 2000 and 2009: Epidemiology and Profiles of Resistance." Chemotherapy Research and Practice 2011 (October 12, 2011): 1–6. http://dx.doi.org/10.1155/2011/218431.

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The purpose of this study was to investigate the bacterial etiology of urinary tract infections in one of the busiest hospitals of Lebanon and to examine the epidemiologic and microbiologic properties of Escherichia coli isolated from urinary tract infections of Lebanese patients over a 10-year period. Methods. This retrospective study analyzed the data generated between 2000 and 2009 (10,013 Gram-positive and Gram-negative bacteria). Bacterial identification was based on standard culture and biochemical characteristics of isolates. Antimicrobial susceptibility was tested by the disk diffusion

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Dosen, R., J. Prodanov, D. Milanov, I. Stojanov, and I. Pusic. "The bacterial infections of respiratory tract of swine." Biotehnologija u stocarstvu 23, no. 5-6-2 (2007): 237–43. http://dx.doi.org/10.2298/bah0702237d.

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Respiratory diseases are one of the most important problem in modern, intensive swine production, in the world but also in our country. Intensifying pig production increases frequency and economic importance of this disease, regardless to the measures for its control. Great economic losses are expressed through direct losses due to death and compulsory slaughter, reduced daily gain, a larger feed intake for average daily gain, prolonged time of fattening, enlarged costs of treatment and a high percentage of light pigs in abattoirs. As a material for research we used the parts of respiratory or

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Ahmed, Monzur Morshed, Md Mizanur Rahaman, Md Nur Hossain, et al. "Charaterization of isolated potential lactobacilli and used as probiotic food." Asian-Australasian Journal of Bioscience and Biotechnology 1, no. 2 (2016): 274–83. http://dx.doi.org/10.3329/aajbb.v1i2.61575.

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This research was carried out to isolate and identify lactobacilli from yogurt and vegetables sample from Dhaka, Bangladesh. Twenty five Lactobacillus strains were isolated and identified as Lactobacillus species based on cultural characteristics, biochemical tests, and sugar fermentation. The results showed only four among twenty five isolates were highly responded to probiotic criteria such as low pH tolerance (2.5), bile salt tolerance (2%), gastric juice tolerance (0.5% bile salt, 0.2% NaCl, 0.32% pepsin pH 2.5) in-vitro and were identified strains as Lactobacillus plantarum imy-21, Lactob

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Pola, Bristone James, Emmanuel Ijabani, and Brenda Clement Wadzamda. "Physicochemical and Bacteriological Assessment of Traditional Sorghum Beers in Jimeta, Nigeria." Journal of Advances in Microbiology 24, no. 9 (2024): 26–36. http://dx.doi.org/10.9734/jamb/2024/v24i9849.

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Sorghum beer popularly known as “burukutu” in Nigeria is a traditional beverage whose consumption has been passed down through generations. This beer, consumed while actively fermenting, harbors a diverse array of microorganisms. This study aims to evaluate the bacteriological and physicochemical characteristics of traditional sorghum beers sold in Jimeta, Adamawa State, Nigeria. Beer samples were obtained from eight traditional beer joints within the Jimeta metropolis, Adamawa State, Nigeria. The physicochemical analysis of the samples revealed titratable acidity ranging from 0.91% to 2.65%,

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Siniagina, Maria N., Alexander V. Laikov, Maria I. Markelova, et al. "Competitive ability of <i>Escherichia coli</i> strains in the intestinal microbiota of patients with Crohn's disease and healthy volunteers: physiological, biochemical and genetic characteristics." Journal of microbiology, epidemiology and immunobiology 99, no. 6 (2023): 669–81. http://dx.doi.org/10.36233/0372-9311-192.

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Introduction. Crohn's disease (CD) is a chronic inflammation of various parts of the gastrointestinal tract with an increased proportion of Escherichia coli. However, the role of E. coli in disease remains unclear. This study aims to evaluate the competitive abilities of E. coli strains from CD patients and healthy volunteers, and to identify the biochemical and genetic determinants underlying these features. Materials and methods. The antagonistic activity was assessed by co-cultivation of 11 clinical E. coli strains inhibiting the growth of the K-12, with Enterobacter cloacae, Kl

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