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Journal articles on the topic 'Salmonella specie'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Carol, Okoli, M.C Okonji, S.C Ugoh, S.N Okolo, A.C Okoli, and A.J Alu. "SALMONELLA SPECIE AND TOTAL VIABLE BACTERIAL LOAD IN ROASTED CHICKENS SOLD IN JOS-NIGERIA." Continental J. Biomedical Sciences 1 (June 18, 2007): 11–15. https://doi.org/10.5281/zenodo.818666.

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The study was to investigate for the presence of <em>Salmonella</em> specie and total viable aerobic bacterial load in roasted chickens sold in Jos. The study was carried out on twenty five chicken samples. No salmonella specie was isolated from the samples. However, other bacterial organisms were isolates, viz: 9(36%) of the samples yielded <em>E.coli</em>; 5(20%) yielded <em>Citobacter</em> species; 3(12%) yielded <em>Proteus </em>species and 6(24%) yielded <em>Klebsiella</em> species while 2(8%) showed no growth. An average total viable aerobic bacterial load of 7.9x10<sup>7</sup> organisms

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Nwankwo, I. U., K. C. Edward, and C. G. Udensi. "Screening of bacteria isolates from earthworm cast for antibacterial activities." Scientia Africana 22, no. 2 (2023): 83–94. http://dx.doi.org/10.4314/sa.v22i2.9.

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The healthy operation of the soil ecosystem is significantly influenced by earthworms. Various medical treatments have included the use of earthworms. This study isolated and screened bacterial species from earthworm cast for antibacterial activities. Two (2) bacteria species were isolated from the earthworm cast by culturing on starch casein agar using pour plate techniques. The isolates were identified as Streptomyces and Actinomadura species while the test isolates include Klebsiella specie, Salmonella shigella and Staphylococcus aureus strains. This study revealed that Streptococcus and Ac

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3

Merlini, Vanessa Vanderléia, Fabíola de Lima Pena, Diogo Thimoteo da Cunha, Julicristie Machado de Oliveira, Mauricio Ariel Rostagno, and Adriane Elisabete Costa Antunes. "Microbiological Quality of Organic and Conventional Leafy Vegetables." Journal of Food Quality 2018 (2018): 1–7. http://dx.doi.org/10.1155/2018/4908316.

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The aim of this study was to assess the microbiological profile of leafy vegetables from organic and conventional farming (n=70). The microbiological parameters analyzed consisted of aerobic mesophilic bacteria, yeasts and molds, coliforms at 30 and 45°C, and Salmonella ssp. A biochemical identification of the Enterobacteriaceae species was carried out. Some Enterobacteriaceae species were identified in the produce from both farming systems and Hafnia alvei was the most widespread specie observed. Salmonella spp. was not detected in the samples analyzed. The microbial counts for indicator micr

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Rehman, Sijad-ur, Haji Gul, Abdul Ahad, Naveed Muhammad, Romana Bibi, and Inayat Ullah. "Antimicrobial Sensitivity of Salmonella Species in Children - A Single-Centered Study." Pakistan Journal of Medical and Health Sciences 17, no. 5 (2023): 162–64. http://dx.doi.org/10.53350/pjmhs2023175162.

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Background: Salmonellae are gram-negative, facultative anaerobic bacteria. Typhoid fever has a non-specific and varied appearance in its early stages. A high-grade fever (>38oC) is the most common presenting sign. Salmonella pathogenicity is primarily determined bythe virulence components it possesses, such as Salmonella pathogenicity islands (SPIs), virulence plasmids, pili, and enterotoxins.The most common drug used was cefixime (66.6%), then ciprofloxacin, and according to a comparable study conducted in Pakistan (33.3%). Cefixime and ceftriaxone had a sensitivity of 60.9% and 65.8%, res

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Anumudu, I. C., and C. K. Anumudu. "Bacteriological quality of kunu-zaki sold on the streets of owerri metropolis, Nigeria." African Journal of Biological Sciences 1, no. 1 (2019): 18–22. https://doi.org/10.33472/AFJBS.1.1.2019.18-22.

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Kunu-zaki is a nourishing non-alcoholic beverage widely consumed in Nigeria. There is no standardized method for its preparation thus production practices differ amongst retailers. This study was undertaken to evaluate the bacteriological quality of kunu drink retailed in major markets of Owerri metropolis, Nigeria. Triplicate samples were obtained from four markets in Owerri and a control sample prepared in the laboratory. Kunu drink was analysed using the standard pour plate procedure. The results obtained showed that total heterotrophic bacteria count, total coliform count and total <em>Sal

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Chikwendu, Chinwe I., Emmanuel Egbadon, and Blessing Okuma. "Antibacterial Potentials of Vernonia amygdalina against Antibiotic-Resistant Salmonella Specie Isolated from Nworie River, Imo State, Nigeria." International Letters of Natural Sciences 56 (July 2016): 82–89. http://dx.doi.org/10.18052/www.scipress.com/ilns.56.82.

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Salmonella specie were isolated from Nworie River and then tested against several antibiotics to include; Gentamycin, Streptomycin, Amoxycillin, Kanamycin, Oxacillin, Ofloxacin, Imipenem, Ciprofloxacin, Aztreonam and Ceftazidime. Salmonella isolates obtained from the river were resistant to at least three different antibiotics. All isolates were resistant to Amoxycillin, Oxacillin and Iminipem showing a 100% resistant rate, while showing sensitivity to Ciprofloxacin, Aztreonam, Gentamycin, Ceftazidime, Kanamycin, Streptomycin, and Ofloxacin at sensitivity rates of 71.4%, 7.1%, 77.1%, 11.4%, 44

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Chikwendu, Chinwe I., Emmanuel Egbadon, and Blessing Okuma. "Antibacterial Potentials of Ve<i>rnonia amygdalina</i> against Antibiotic-Resistant <i>Salmonella</i> Specie Isolated from Nworie River, Imo State, Nigeria." International Letters of Natural Sciences 56 (July 8, 2016): 82–89. http://dx.doi.org/10.56431/p-8877gt.

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Salmonella specie were isolated from Nworie River and then tested against several antibiotics to include; Gentamycin, Streptomycin, Amoxycillin, Kanamycin, Oxacillin, Ofloxacin, Imipenem, Ciprofloxacin, Aztreonam and Ceftazidime. Salmonella isolates obtained from the river were resistant to at least three different antibiotics. All isolates were resistant to Amoxycillin, Oxacillin and Iminipem showing a 100% resistant rate, while showing sensitivity to Ciprofloxacin, Aztreonam, Gentamycin, Ceftazidime, Kanamycin, Streptomycin, and Ofloxacin at sensitivity rates of 71.4%, 7.1%, 77.1%, 11.4%, 44

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8

Zeynipour, Taeibeh, Ali Fazalara, and Hussein Zolgarnein. "Examine the contamination of Epinephelus coioides with Listeria and Salmonella bacteria in Khuzestan coastal zone." Environment Conservation Journal 16, SE (2015): 557–63. http://dx.doi.org/10.36953/ecj.2015.se1666.

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Listeria and Salmonella species are high risk for human through contaminated foods; these bacteria are psychrophilic and could grow at low temperature even at refrigerator. Fish and shrimp and other aquatic organisms are very good resources for these kinds of bacteria. These bacteria are known as food-borne bacteria because infected of human by foods. These bacteria have been isolated from fresh and processing aquatic foods in the most countries. In this research, two different organs including intestines and gills from each fish were prepared at sterile condition for isolation of salmonella a

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9

Oguwike, F. N., V. N. Emenuga, H. A. Nwobodo, O. E. I. Imanyikwa, and E. Usige. "Comparative Study on Percentage Bacterial Loads in Over Fermented Pentaclethra Macrophyllabenth (Ukpaka) and in Over Riped Mangifera Indica (Mango) and their Effect in the Gastrointestinal Systems of the Consumers." Greener Journal of Medical Sciences 10, no. 2 (2020): 37–42. https://doi.org/10.15580/gjms.2020.2.100520127.

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Consuming a well-balanced diet containing abundant fresh fruits and vegetables can ensure overall health. The comparative study on percentage bacterial loads in over fermented Pentaclethra macrophyllabenth and over riped Mangiferaindica has been studied. The research is geared towards knowing the various bacteria that can occur in over fermented P.macrophyllabenth and in over ripedM.indica. Culture media was used to isolate the organisms contained in P.macrophyllabenth and M.indica. Other tests used to identify the various organisms are coagulase test, catalase test, and gram staining tests. T

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10

Edobor Peter Kenneth Imarenezor, Onolunosen Abel Abhadionmhen, Samuel Tamunoiyowuna Cockeye Brown, Joyce Briska, Paula Paul Shinggu, and Sunday Danya. "Antibacterial activities of leaves and seeds extracts of Datura stramonium on Salmonella Typhi and Shigella Species: Potential antimicrobial alternative for gastroenteritis." World Journal of Biology Pharmacy and Health Sciences 9, no. 1 (2022): 005–12. http://dx.doi.org/10.30574/wjbphs.2022.9.1.0022.

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Datura stramonium is a bushy annual plant belonging to the family Solanaceae. This study investigated the antimicrobial effects of methanolic and aqueous extracts of seeds and leave of Datura stramonium plant. The test organisms Salmonella Typhi and Shigella species were obtained from stock cultures at the National Veterinary Research Institute in Vom, Plateau State, Nigeria. The identification of the test organisms and the plant extracts were done using standard microbiological procedures. The results obtained showed that antibacterial activities of Methanolic leaf extracts of Datura stramoni

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11

Mohammed, A. H.,, Na’inna, S. Z., Yusha’u, M., Salisu, B., Adamu, U., and Garba, S. A. "In vitro Antibacterial Activity of Psidium guajava Leaves Extracts against Clinical Isolates of Salmonella specie." UMYU Journal of Microbiology Research (UJMR) 2, no. 1 (2017): 1–5. http://dx.doi.org/10.47430/ujmr.1721.001.

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Dried leaves of Psidium guajava obtained from Bayero University, Kano old campus were extracted using water, ethanol and chloroform solvents via percolation method. The leaves extracts were subjected to phytochemical screening to detect presence of secondary metabolites. The extracts were further tested for antibacterial activity against clinical isolates of Salmonella Typhi, Salmonella ParatyphiA and Salmonella Paratyphi B using agar well diffusion method. The results of phytochemical screening indicated the presence of tannins, flavonoids, steroids, terpenoids and phenols while thoseof the a

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12

Jajere, Saleh Mohammed. "A review of Salmonella enterica with particular focus on the pathogenicity and virulence factors, host specificity and antimicrobial resistance including multidrug resistance." Veterinary World 12, no. 4 (2019): 504–21. http://dx.doi.org/10.14202/vetworld.2019.504-521.

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Salmonella genus represents the most common foodborne pathogens frequently isolated from food-producing animals that is responsible for zoonotic infections in humans and animal species including birds. Thus, Salmonella infections represent a major concern to public health, animals, and food industry worldwide. Salmonella enterica represents the most pathogenic specie and includes >2600 serovars characterized thus far. Salmonella can be transmitted to humans along the farm-to-fork continuum, commonly through contaminated foods of animal origin, namely poultry and poultry-related products (eg

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13

Gilioli, R., and F. A. Silva. "Frequency of parasites and Salmonella infection in captive maned-wolf, Chrysocyon brachyurus, kept in Zoos at the State of São Paulo, Brazil." Arquivo Brasileiro de Medicina Veterinária e Zootecnia 52, no. 4 (2000): 337–41. http://dx.doi.org/10.1590/s0102-09352000000400008.

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Thirty-one captive maned wolves (Chrysocyon brachyurus, Illiger 1815) from 11 Zoos at the State of São Paulo, Brazil, were screened to investigate the presence of parasites and Salmonella infection by parasitological diagnostic methods and fecal selective culture. The most frequent ecto and endoparasites found were Ctenocephalides felis (56.2%), Rhipicephalus sanguineus (12.5%), Ancylostoma caninum (45.1%), Strongyloides sp. (29.0%), Uncinaria stenocephala (3.2%), Capillaria sp. (3.2%), Entamoeba sp. (22.9%), Sarcocystis sp. (29.0%), Cryptosporidium sp. (19.3%), Eimeria sp. (19.3%), Giardia sp

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14

Chijioke, Nkeiruka Adaeze, Ikechukwu Chijioke, Favour Banigo Ada, and peter ulim-ujuo-ushang Ikor. "Antibiotics Sensitivity Reaction of salmonella Species Isolated from Ready-to-Eat Porridge Beans Sold in Federal Polytechnic of Oil and Gas Bonny of Rivers State." International Journal of Current Science Research and Review 07, no. 05 (2024): 3149–58. https://doi.org/10.5281/zenodo.11355496.

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Abstract : <em>Salmonella</em> specie is one of the four key global causes of diarrhoeal diseases. In this research we investigated the frequency occurrence of <em>salmonella</em> species isolated from ready-to-eat porridge beans sold from vendors in the proximity of federal polytechnic of oil and gas bonny island. A total of 40 samples were purchased from four different food vendors in four different spots [vendor 1(The first spot), vendor 11(second spot), vendor 111(third spot) and vendor 1V  (fourth spot)] between February and May 2024.All samples were processed and anal

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15

Orum, T. G., T. T. Gilbert, J. O. Omirinde, et al. "Antibiofilm Potential of Aqueous Extracts of Garcinia kola against ‎Salmonella species in Greater Cane Rat (Thryonomys swinderianus, ‎Temmink 1827) from Badagry, Lagos State, Nigeria." Sahel Journal of Veterinary Sciences 21, no. 1 (2024): 6–12. http://dx.doi.org/10.54058/saheljvs.v21i1.420.

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Biofilms encompass a cluster of microorganisms encased in a slimy matrix of extracellular polymeric substances, which imbibe antibiotic resistance. Salmonella specie is a major bacterial cause of food-borne diseases in both humans and animals. The prevalence of Salmonella species is increasing which may form biofilm, and bacteria that form biofilm may be more resistant to antimicrobial agents. This study is intended to determine the presence and antimicrobial susceptibility patterns of Salmonella species among greater cane rats and carry out the biofilm formation of isolated Salmonella species

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16

Vasquez, Ignacio, Julio Retamales, Barbara Parra, Vimbai Machimbirike, James Robeson, and Javier Santander. "Comparative Genomics of a Polyvalent Escherichia-Salmonella Phage fp01 and In Silico Analysis of Its Receptor Binding Protein and Conserved Enterobacteriaceae Phage Receptor." Viruses 15, no. 2 (2023): 379. http://dx.doi.org/10.3390/v15020379.

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The polyvalent bacteriophage fp01, isolated from wastewater in Valparaiso, Chile, was described to have lytic activity across bacterial species, including Escherichia coli and Salmonella enterica serovars. Due to its polyvalent nature, the bacteriophage fp01 has potential applications in the biomedical, food and agricultural industries. Also, fundamental aspects of polyvalent bacteriophage biology are unknown. In this study, we sequenced and described the complete genome of the polyvalent phage fp01 (MH745368.2) using long- (MinION, Nanopore) and short-reads (MiSeq, Illumina) sequencing. The b

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17

Edobor, Peter Kenneth Imarenezor, Abel Abhadionmhen Onolunosen, Tamunoiyowuna Cockeye Brown Samuel, Briska Joyce, Paul Shinggu Paula, and Danya Sunday. "Antibacterial activities of leaves and seeds extracts of Datura stramonium on Salmonella Typhi and Shigella Species: Potential antimicrobial alternative for gastroenteritis." World Journal of Biology Pharmacy and Health Sciences 9, no. 1 (2022): 005–12. https://doi.org/10.5281/zenodo.5956427.

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<em>Datura stramonium </em>is a bushy annual plant belonging to the family <em>Solanaceae.</em> This study investigated the antimicrobial effects of methanolic and aqueous extracts of seeds and leave of <em>Datura stramonium </em>plant. The test organisms <em>Salmonella Typhi and Shigella</em> species were obtained from stock cultures at the National Veterinary Research Institute in Vom, Plateau State, Nigeria. The identification of the test organisms and the plant extracts were done using standard microbiological procedures. The results obtained showed that

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18

Mezali, Lynda, Faiza Mebkhout, Siham Nouichi, Sofiane Boudjellaba, and Taha-Mossadak Hamdi. "Serotype diversity and slaughterhouse-level risk factors related to Salmonella contamination on poultry carcasses in Algiers." Journal of Infection in Developing Countries 13, no. 05 (2019): 384–93. http://dx.doi.org/10.3855/jidc.10450.

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Introduction: In Algeria, the latest studies on Salmonella demonstrated warning contamination rates in farms and slaughterhouses. This pathogen can contaminate poultry meat and put humans at risk especially that such product is nowadays widely consumed. Methodology: a cross-sectional study was conducted in Algiers to evaluate prevalence, determine serotypes and quantify risk for Salmonella contamination in broiler chickens and turkeys at the post-chill stage of slaughter process. Results: batch prevalence was 63.1% for chickens and 34.9% for turkeys. Eleven serotypes were isolated

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Abbas, Rao Zahid, Abdullah F. Alsayeqh, and Amjad Islam Aqib. "Role of Bacteriophages for Optimized Health and Production of Poultry." Animals 12, no. 23 (2022): 3378. http://dx.doi.org/10.3390/ani12233378.

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The poultry sector is facing infections from Salmonella, Campylobacter, Listeria and Staphylococcus spp., and Escherichia coli, that have developed multidrug resistance aptitude. Antibiotics cause disturbances in the balance of normal microbiota leading to dysbiosis, immunosuppression, and the development of secondary infections. Bacteriophages have been reported to lower the colonization of Salmonella and Campylobacter in poultry. The specificity of bacteriophages is greater than that of antibiotics and can be used as a cocktail for enhanced antibacterial activity. Specie-specific phages have

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Saka, Habeeb Kayode, Farida Umar Ahmad, and Adamu Ahmad Abubakar. "Microbiological quality assessment of ready to eat vegetables sold in Yankaba Market Kano, Kano State Nigeria." Dutse Journal of Pure and Applied Sciences 8, no. 3b (2022): 163–69. http://dx.doi.org/10.4314/dujopas.v8i3b.16.

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Safety of food is still a public health challenge globally. Fresh vegetables can be contaminated with pathogenic microorganisms from farm to table. This study evaluates the microbiological quality of ready to eat vegetables sold in Yankaba market, Kano. A total of forty (40) vegetables (cabbage, carrot, cucumber and lettuce) were collected from Yankaba Kasua and Kasua Turawa, and transported to the laboratory under aseptic condition to determine the bacterial load and fungal loads, identification of bacteria and fungi found in ready to eat vegetables using standard protocols. All samples colle

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Martin O. Anagboso, Judith O. Osuala, and Edet E. Akpanenang. "Prevalence of bacterial isolates from cell phone surfaces in Madonna University Elele Campus." Magna Scientia Advanced Biology and Pharmacy 9, no. 2 (2023): 024–32. http://dx.doi.org/10.30574/msabp.2023.9.2.0049.

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Cell phones is a major revolution in the communication industry. In recent times, cell phone is carried by almost everybody, however, in some areas where not everyone has a cell phone, people patronize paid phone booths to communicate with loved ones. Madonna University, Elele Campus, is in Rivers State Nigeria and accommodates the University where all the students and staff are living on campus, The Madonna University Teaching Hospital, the pilgrimage center where pilgrims from all over the world visit regularly. There are phone booths at strategic locations where individuals pay and use thei

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22

Akpoka, Obhioze Augustine, and Christiana Ngozi Opara. "Isolation of Aerobic Bacteria Flora in the Gills and Gastrointestinal Tract of Culturable Freshwater Fish from Ogbia Bayelsa State." Archives of Ecotoxicology 3, no. 1 (2021): 5–8. http://dx.doi.org/10.36547/ae.2021.3.1.5-8.

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Fish is in high demand as food, food additives, and supplements as they are a rich source of carbon, proteins, vitamins, and minerals. Fish has been established to possess bacterial populations on or in their skin, gills, digestive tract, etc. with their microbial diversity often reflecting the bacterial populations of the surrounding water which are either allochthonous or allochthonous. This study isolated and enumerated aerobic bacteria flora in the gastrointestinal tract and gills of four culturable freshwater fish (Silver catfish, Tilapia, Clarias, and Heterobranchus). These species of cu

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23

Isyaku, S., H. N. Aliyu, E. C. Ozoro, and T. Abubakar. "Synthesis, characterization and antimicrobial studies of Mn(II) complexes of acetylthiophene and acetyl Furan Schiff base derivatives." Bayero Journal of Pure and Applied Sciences 12, no. 1 (2020): 85–92. http://dx.doi.org/10.4314/bajopas.v12i1.15s.

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Manganese (II) complexes of Schiff bases; 2-acetylthiophene 4‑phenylthiosemi-carbazone (AT-PTSC) and 2-furylmethylketone-4-phenylthiosemi-carbazone (AF‑PTSC) derived from condensation of 2-acetylthiophene and 2-furylmethylketone (2-acetylfuran) each with 4-phenylthiosemicarbazide in (1:1 molar ratio) ethanol, have been synthesized. The Schiff bases and the Mn(II) complexes were characterized on the basis of melting point/decomposition temperature, solubility, magnetic susceptibility, infrared spectra, molar conductance measurements, elemental and gravimetric analyses. The Mn(II) complexes show

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Isyaku, S., H. N. Aliyu, E. C. Ozoro, and T. Abubakar. "Synthesis, characterization and antimicrobial studies of Mn(II) complexes of acetylthiophene and acetyl furan Schiff base derivatives." Bayero Journal of Pure and Applied Sciences 12, no. 1 (2020): 251–58. http://dx.doi.org/10.4314/bajopas.v12i1.39s.

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Manganese(II) complexes of Schiff bases; 2-acetylthiophene-4‑phenylthiosemi-carbazone (AT-PTSC) and 2-furylmethylketone-4-phenylthiosemi-carbazone (AF‑PTSC) derived from condensation of 2-acetylthiophene and 2-furylmethylketone (2-acetylfuran) each with 4-phenylthiosemicarbazide in (1:1 molar ratio) ethanol, have been synthesized. The Schiff bases and the Mn(II) complexes were characterized on the basis of melting point/decomposition temperature, solubility, magnetic susceptibility, infrared spectra, molar conductance measurements, elemental and gravimetric analyses. The Mn(II) complexes show

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SUDRIK, SNEHAL, RAHUL KOLHE, CHANDRAKANT BHONG, et al. "Detection of virulent and ESBL-resistant Salmonella species from cattle and associated farm environment." Indian Journal of Animal Sciences 94, no. 10 (2024): 831–36. http://dx.doi.org/10.56093/ijans.v94i10.141354.

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The aim of this study was to explore the virulence characteristics and antibiotic resistance in Salmonella species isolated from cattle farms. During the study, 10 cattle farms were selected and from each farm, 35 samples consisting of faeces, milk, udder swabs, hand swabs, floor swabs, animal drinking water, pit water, composite fodder sample, and dairy utensil swabs were collected. Accordingly, 350 samples were collected from 10 farms and processed for the detection of Salmonella spp. Presumptive Salmonella isolates were confirmed by PCR and characterized for virulence and antibiotic resista

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Moazzam, Khadija, Roheela Yasmin, Uzma Zeeshan, Shazia Bokhari, and Aisha Waheed. "Antimicrobial Activity of Essential Oils Extracted From Lamiaceae Family (Basil, Mint and Thyme)." Lahore Garrison University Journal of Life Sciences 2, no. 4 (2020): 268–76. http://dx.doi.org/10.54692/lgujls.2018.020437.

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Extraction of essential oils from medicinal plants is as old as human history. Moreover, more than 500 plants are used to extract essential oils however; their composition and percentage yield depends on various factors mainly type of plant, type of organ (leaf, fruit, flowers, stem, roots, and seeds), geographical distribution of specie, weather conditions and methods used for their extraction. Different conventional methods such as super critical fluid extraction, hydro distillation, steam distillation, Soxhlet extraction and advance method such as solvent free microwave extraction are in pr

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Bamigboye, Mercy, Ayuba Mustapha, and Friday Danjuma. "Bioactivity Assessment of 8-Hydroxyquinoline and Monosodium Glutamate Mixed Ligand Copper Complex: Experimental and Computational." University of Thi-Qar Journal of Science 11, no. 2 (2024): 175–84. https://doi.org/10.32792/utq/utjsci/v11i2.1302.

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The search for substances with biological activity is a prime responsibility of researchers. Coordination compounds with pharmacological activity have been essential and indispensable, especially to humans, especially organic-inorganic hybrid complexes. 8-hydroxyquinoline and Monosodium glutamate ligands were used to synthesize the copper complex by simple one-pot mixing at 35 °C. This formed complex was analysed by microanalytical, spectral, thermal, and computational techniques to characterize its formula and structure. Antimicrobial and In-silico activity was also determined. FT-IR spectros

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McQuiston, J. R., S. Herrera-Leon, B. C. Wertheim, et al. "Molecular Phylogeny of the Salmonellae: Relationships among Salmonella Species and Subspecies Determined from Four Housekeeping Genes and Evidence of Lateral Gene Transfer Events." Journal of Bacteriology 190, no. 21 (2008): 7060–67. http://dx.doi.org/10.1128/jb.01552-07.

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ABSTRACT The salmonellae are a diverse group of bacteria within the family Enterobacteriaceae that includes two species, Salmonella enterica and Salmonella bongori. In order to characterize the phylogenetic relationships of the species and subspecies of Salmonella, we analyzed four housekeeping genes, gapA, phoP, mdh and recA, comprising 3,459 bp of nucleotide sequence data for each isolate sequenced. Sixty-one isolates representing the most common serotypes of the seven subspecies of Salmonella enterica and six isolates of Salmonella bongori were included in this study. We present a robust ph

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Feglo, P. K., and M. P. Dakorah. "Contribution of Dug-Out Wells to Salmonella Dissemination in Kwaebibirem District of Ghana." European Scientific Journal, ESJ 13, no. 6 (2017): 124. http://dx.doi.org/10.19044/esj.2017.v13n6p124.

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Typhoid fever is rare in the developed world, but in Kwaebibirem District of Ghana, Salmonella infections are very common. Typhoid and paratyphoid fevers in addition to gastroenteritis are frequently reported. The reservoir, prevailing Salmonella species and their antimicrobial susceptibility patterns are not known, but in Ghana treatment of these infections are mostly empirical. 464 samples (270 stool and 194 blood) were collected from patients and 188 water samples were collected from different water sources in Kwaebibirem District and cultured for Salmonella at St. Dominic Hospital, Akwatia

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KEITH, MELVINA. "Evaluation of an Automated Enzyme-Linked Fluorescent Immunoassay System for the Detection of Salmonellae in Foods." Journal of Food Protection 60, no. 6 (1997): 682–85. http://dx.doi.org/10.4315/0362-028x-60.6.682.

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An automated qualitative enzyme-linked fluorescent immunoassay was compared to a conventional method outlined in the FDA Bacteriological Analytical Manual for the detection of salmonellae in artificially contaminated milk, whey, and carbohydrate-based products. The evaluation parameters included sensitivity and specificity using pure cultures of Salmonella typhimurium, Salmonella tennessee, and Citrobacter freundii and mixtures of these species to address the effect of competing microflora. The overall detection rate of the conventional method was 97% compared to a detection rate of 96% for th

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Aliyu, A., Y. K. E. Ibrahim, and B. A. Tytler. "Characterization of Some Novel Antimicrobial Peptides from African Common Toad, Sclerophrys regularis." Nigerian Journal of Biotechnology 38, no. 2 (2022): 84–91. http://dx.doi.org/10.4314/njb.v38i2.9.

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The growing number of antimicrobial resistant bacteria have necessitated urgent need for newer and effective antimicrobials. Antimicrobial peptides (AMPs) which are also called host defense peptides are promising class of bioactives found in all living thing especially amphibians. A total of 355 Sclerophrys regularis were collected and each toad was weighed and 0.02mL/g of epinephrine (1mg/mL) was administered via the dorsal lymph sac of the toad. The skin secretions were washed, lyophilized and stored at -20°C. The secretion was purified using Sephadex G-50 gel purification column. The fracti

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IBRAHIM, GEORGE F., MARY J. LYONS, RETA A. WALKER, and GRAHAM H. FLEET. "Rapid Detection of Salmonellae in Foods Using Immunoassay Systems." Journal of Food Protection 49, no. 2 (1986): 92–98. http://dx.doi.org/10.4315/0362-028x-49.2.92.

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A standard cultural method, radioimmunometric (RIMA) and enzyme immunometric (EIMA) assays were compared for detection of salmonellae in 235 food samples. The immunoassays used titanous hydroxide as the solid-phase, commercial Spicer-Edwards salmonella polyvalent H antisera (SEA) or pooled antisera produced against 10 salmonella flagellins (PFA). Nineteen food samples were positive for Salmonella by the standard cultural method. These as well as one additional sample were also positive for Salmonella by RIMA and EIMA. No false-negative results were obtained from the immunoassays using PFA, whe

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IN ‘T VELD, PAUL H., and SERVÉ NOTERMANS. "Use of Reference Materials (Spray-Dried Milk Artificially Contaminated with Salmonella typhimurium) to Validate Detection Methods for Salmonella." Journal of Food Protection 55, no. 11 (1992): 855–58. http://dx.doi.org/10.4315/0362-028x-55.11.855.

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Reference materials consisting of 0.28 g of spray-dried milk artificially contaminated with Salmonella typhimurium and contained in gelatin capsules (mean contamination level 4.2 salmonellae per capsule) were used to validate detection of Salmonella species in food. For this, 10 samples of 25 g of mayonnaise, milk powder, minced meat, or poultry meat were spiked with reference materials without repair and with reference materials after repair, respectively. It was found that the physiological condition of Salmonella present in the reference material had no influence on the recovery rate of the

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D'AOUST, J. Y., D. B. EMMONS, R. McKELLAR, et al. "Thermal Inactivation of Salmonella Species in Fluid Milk1." Journal of Food Protection 50, no. 6 (1987): 494–501. http://dx.doi.org/10.4315/0362-028x-50.6.494.

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The thermal resistance of Salmonella senftenberg 775W, Salmonella muenster previously isolated from raw fluid milk, and two mixtures each consisting of ten Salmonella strains commonly isolated from human or non-human sources was tested. Cells were suspended in whole milk at a final concentration of 105 cells/ml. The inoculated milk was thermally processed at temperatures ranging from 60°C to 74°C using a pilot-scale plate pasteurizer unit. The mean and minimum residence time of milk in the holding tube of the pasteurizer was 17.6 and 16.2 s, respectively. The maximum temperature at which viabl

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NABBUT, NASSIM H. "The Salmonella Problem in Lebanon and Its Role in Acute Gastroenteritis1." Journal of Food Protection 56, no. 3 (1993): 270–72. http://dx.doi.org/10.4315/0362-028x-56.3.270.

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The present report presents the available data on the first isolation, occurrence, and distribution of the unadapted group of salmonellae in various nonhuman sources in Lebanon. Salmonella typhimurium was the most predominant serotype in poultry. It is the leading serotype in its zoological distribution as it was isolated from 10 animal species. Other unadapted Salmonella isolates from poultry, listed according to their descending frequency, included Salmonella bareilly, Salmonella pullorum, Salmonella infantis, Salmonella oranienburg, and Salmonella aqama. Salmonella dublin was the most frequ

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Gawande, Purushottam V., and Arvind A. Bhagwat. "Inoculation onto Solid Surfaces Protects Salmonella spp. during Acid Challenge: a Model Study Using Polyethersulfone Membranes." Applied and Environmental Microbiology 68, no. 1 (2002): 86–92. http://dx.doi.org/10.1128/aem.68.1.86-92.2002.

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ABSTRACT Salmonellae are the most frequently reported cause of outbreaks of food-borne gastroenteritis in the United States. In clinical trials, the oral infective dose (ID) for healthy volunteers was estimated to be approximately 1 million cells. However, in reports from various outbreaks, the ID of Salmonella species associated with solid foods was estimated to be as few as 100 cells. We found that fresh-cut produce surfaces not only provided suitable solid support for pathogen attachment but also played a critical role in increasing the acid tolerance of the pathogen. However the acidic nat

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Khakzad, Alireza, and Fatemeh Keshavarzi. "Determination of Isolated Salmonella Bacteria from Infected Animal Husbandry of Malayer City with using Molecular Methods." Journal of Molecular Biology Research 7, no. 1 (2017): 34. http://dx.doi.org/10.5539/jmbr.v7n1p34.

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Salmonella species are gram negative bacteria and members of Enterobacteriaceae family. It has a rod-shaped appearance; it is catalase positive, oxidase negative, non-spore. Salmonella classified into two species, Salmonella Enterica and Salmonella Bangori. Salmonella is now one of the main reasons of diarrhea and vomiting in humans in many countries and especially in industrialized. In a study in Japan 164 Salmonella digestions were collected during 2006 to 2008 which 81 digestions were Salmonella Infantis. Salmonella-specific characteristics are studied in the two phenotype and genotype meth

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Saka, Habeeb K., Ibrahim Bala, Oladimeji O. Olaleye, et al. "Development and application of gelatin based edible coating containing cellulose nanocrystal in the storage of fresh cucumber." Dutse Journal of Pure and Applied Sciences 9, no. 4b (2024): 33–43. http://dx.doi.org/10.4314/dujopas.v9i4b.4.

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Cellulose nanocrystal (CNC) has attracted attention in recent times because of its unique properties. In this study, the ability of gelatin based edible coating containing CNC supplemented with glycerol was investigated to extend the shelf life of fresh cucumber (Cucumis sativum) for a storage period of 14 days. CNC was produced using chemical method and characterised using X-ray diffraction (XRD) and Fourier transform-infrared spectroscopy (FTIR). Filmogenic solution of gelatin was also produced by dissolving 10 g of gelatin powder in 100 ml of distilled water with 0, 1 and 4 g of CNC/10 g ge

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MEHTA, ANUJ, and SITA R. TATINI. "An Evaluation of the Microbiological Safety of Reduced-Fat Cheddar-like Cheese." Journal of Food Protection 57, no. 9 (1994): 776–79. http://dx.doi.org/10.4315/0362-028x-57.9.776.

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This study was carried out to investigate microbiological safety of reduced-fat Cheddar cheese. This was done by studying the behavior of two strains of Listeria monocytogenes, (Scott A-4b and V7-1a) and two species of the genus Salmonella, (Salmonella typhimurium and Salmonella senftenberg) during manufacture and aging of reduced or low-fat stirred curd Cheddar cheese made from milk containing 1.5 to 2.0% fat. The fat content of reduced-fat cheeses was between 20.03 and 21.13% while that of control cheeses was between 28.11 and 30.41%. Listeriae declined slowly in both cheeses and their rate

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Hansen-Wester, Imke, and Michael Hensel. "Genome-Based Identification of Chromosomal Regions Specific for Salmonella spp." Infection and Immunity 70, no. 5 (2002): 2351–60. http://dx.doi.org/10.1128/iai.70.5.2351-2360.2002.

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ABSTRACT Acquisition of genomic elements by horizontal gene transfer represents an important mechanism in the evolution of bacterial species. Pathogenicity islands are a subset of horizontally acquired elements present in various pathogens. These elements are frequently located adjacent to tRNA genes. We performed a comparative genome analysis of Salmonella enterica serovars Typhi and Typhimurium and Escherichia coli and scanned tRNA loci for the presence of species-specific, horizontally acquired genomic elements. A large number of species-specific elements were identified. Here, we describe

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SHELEF, LEORA A., and WEI TAN. "Automated Detection of Hydrogen Sulfide Release from Thiosulfate by Salmonella spp." Journal of Food Protection 61, no. 5 (1998): 620–22. http://dx.doi.org/10.4315/0362-028x-61.5.620.

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Hydrogen sulfide production is used in conventional tests for identification and differentiation of Salmonella spp. from other species of Enterobacteriaceae, and a black precipitate on agar media is the indicator of the reaction. Selective liquid media were formulated for automated optical detection of H2S in salmonellae using the BioSys instrument. The media contained thiosulfate and ferric ammonium citrate, and production of H2S caused copious black pigmentation of the broth. Combination of the H2S indicators with dulcitol or xylose as fermentable carbohydrate, lysine, omithine or arginine t

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Irwin, Peter, Andrew Gehring, Shu-I. Tu, Jeffrey Brewster, Joseph Fanelli, and Elizabeth Ehrenfeld. "Minimum Detectable Level of Salmonellae Using a Binomial-Based Bacterial Ice Nucleation Detection Assay (BIND®)." Journal of AOAC INTERNATIONAL 83, no. 5 (2000): 1087–95. http://dx.doi.org/10.1093/jaoac/83.5.1087.

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Abstract A modified bacterial ice nucleation detection (BIND®) assay was used for rapid and sensitive detection of several Salmonella species. For the BIND assay, Salmonella cells are infected with bacteriophage genetically modified to contain DNA encoding an ice nucleation protein (INP). After infection, de novo protein synthesis occurs and INPs are incorporated into the outer membrane of the organism. After supercooling (−9.3°C), only buffer solutions containing transfected salmonellae freeze, causing a phase-sensitive dye to change color. This technique, and a probability-based protocol mod

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Martha Echioda- Ogbole and Enid Godwin. "Occurrence and Antimicrobial Susceptibility Profiles of Salmonella species among Chickens of some Commercial Poultry Farms in Benue State, Nigeria." UMYU Journal of Microbiology Research (UJMR) 4, no. 1 (2019): 39–44. http://dx.doi.org/10.47430/ujmr.1941.007.

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Salmonella is a facultative anaerobic Gram negative rod, an intracellular bacterium of zoonotic importance. This study aimed at investigating the presence of Salmonella in chickens in three local government areas of Benue State. A total of 588 cloacal swabs were made randomly from 264 layers and 324 broilers at Makurdi, Otukpo and Gboko local government areas of Benue State, from March to July 2015. Salmonellae were isolated and identified using standard bacteriological techniques namely culture, Gram’s staining and biochemical methods. Cultural characteristics of isolates on the used media we

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GOLDEN, DAVID A., E. JEFFERY RHODEHAMEL, and DONALD A. KAUTTER. "Growth of Salmonella spp. in Cantaloupe, Watermelon, and Honeydew Melons." Journal of Food Protection 56, no. 3 (1993): 194–96. http://dx.doi.org/10.4315/0362-028x-56.3.194.

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The ability of Salmonella spp. to grow on the interior tissues of cantaloupe, watermelon, and honeydew melons was investigated. Pieces of rind-free melons (pH 5.90–6.67) and tryptic soy broth (TSB, pH 5.90) were inoculated with a mixed culture (approximately 100 CFU/g or ml) containing equal proportions of five species of Salmonella (S. anatum, S. Chester, S. havana, S. poona, and S. senftenberg). Inoculated melon pieces and TSB were incubated for 24 h at 5 or 23°C. Viable populations of salmonellae were determined by surface plating test portions on Hektoen enteric agar. Results indicated tha

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Refsum, Thorbjørn, Kjell Handeland, Dorte Lau Baggesen, Gudmund Holstad, and Georg Kapperud. "Salmonellae in Avian Wildlife in Norway from 1969 to 2000." Applied and Environmental Microbiology 68, no. 11 (2002): 5595–99. http://dx.doi.org/10.1128/aem.68.11.5595-5599.2002.

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ABSTRACT Postmortem records of wild-living birds in Norway with laboratory-confirmed findings of salmonella infection were summarized for the period from 1969 to 2000. Salmonella spp. were isolated from 470 birds belonging to 26 species. The salmonella-positive birds included 441 small passerines, 15 gulls, 5 waterfowl, 4 birds of prey, 3 doves, and 2 crows. The bullfinch (Pyrrhula pyrrhula) was by far the most frequently recorded species (54% of the cases). Salmonella enterica serover Typhimurium was recovered from all cases except from one hooded crow (Corvus corone), which yielded serovar P

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Williams, Jessica, Katharine Evans, David Crabtree, et al. "Method Modification to Extend the Matrix Claim of the Thermo Scientific RapidFinder Salmonella species, Typhimurium, and Enteritidis Multiplex PCR Kit." Journal of AOAC INTERNATIONAL 102, no. 1 (2019): 118–48. http://dx.doi.org/10.5740/jaoacint.18-0166.

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Abstract Background: The Thermo Scientific RapidFinder™ Salmonella species, Typhimurium and Enteritidis Multiplex PCR Kit is a real-time multiplex PCR assay for the detection and differentiation of Salmonella species, Salmonella Typhimurium, and S. Enteritidis from poultry, pork, and environmental samples. The method has previously been granted certification as Performance Tested Method SM (PTM) 081701, validated according to the AOAC Research Institute (RI) PTM program for poultry (chicken thighs with skin, chicken wings with skin, and chicken nuggets), raw pork sausage matrixes, and stainles

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Dieckmann, Ralf, Reiner Helmuth, Marcel Erhard, and Burkhard Malorny. "Rapid Classification and Identification of Salmonellae at the Species and Subspecies Levels by Whole-Cell Matrix-Assisted Laser Desorption Ionization-Time of Flight Mass Spectrometry." Applied and Environmental Microbiology 74, no. 24 (2008): 7767–78. http://dx.doi.org/10.1128/aem.01402-08.

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ABSTRACT Variations in the mass spectral profiles of multiple housekeeping proteins of 126 strains representing Salmonella enterica subsp. enterica (subspecies I), S. enterica subsp. salamae (subspecies II), S. enterica subsp. arizonae (subspecies IIIa), S. enterica subsp. diarizonae (subspecies IIIb), S. enterica subsp. houtenae (subspecies IV), and S. enterica subsp. indica (subspecies VI), and Salmonella bongori were analyzed to obtain a phylogenetic classification of salmonellae based on whole-cell matrix-assisted laser desorption ionization-time of flight mass spectrometric bacterial typi

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Abd El-Ghany, Wafaa A. "Salmonellosis: A food borne zoonotic and public health disease in Egypt." Journal of Infection in Developing Countries 14, no. 07 (2020): 674–78. http://dx.doi.org/10.3855/jidc.12739.

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Salmonellosis is an important food borne disease of public health significance. Global estimates of the disease burden shows more than 20 million cases and 0.15 million deaths annually. The disease caused by a variety of Salmonella organisms worldwide. Salmonella pathogens are belonging to family Enterobacteriaceae that are known to infect many hosts inducing variable clinical diseases pictures. Typhoidal and non-typhoidal Salmonellae are common diseases among Egyptians with severe socioeconomic losses. Different species of animals and poultry as well as their products are the main sources and

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Mthembu, Zishiri, and Zowalaty. "Detection and Molecular Identification of Salmonella Virulence Genes in Livestock Production Systems in South Africa." Pathogens 8, no. 3 (2019): 124. http://dx.doi.org/10.3390/pathogens8030124.

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Livestock are an important source of protein and food for humans, however opportunistic pathogens such as Salmonella spp. turn livestock into vehicles of foodborne diseases. This study investigated the prevalence of virulence genes in Salmonella spp. isolated from livestock production systems in two provinces of South Africa. During the period from May to August, 2018, a total of 361 faecal (189), oral (100), environmental (soil (36) and water (27)) and feed (9) samples were randomly collected from different animals (cattle, sheep, goats, pigs, ducks and chickens) that were housed in small-sca

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Cloke, Jonathan, Dorn Clark, Jr, Roy Radcliff, et al. "Evaluation of the Thermo Scientific™ SureTect™ Salmonella species Assay." Journal of AOAC INTERNATIONAL 97, no. 2 (2014): 539–60. http://dx.doi.org/10.5740/jaoacint.13-347.

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Abstract The Thermo Scientific™ SureTect™ Salmonella species Assay is a new real-time PCR assay for the detection of Salmonellae in food and environmental samples. This validation study was conducted using the AOAC Research Institute (RI) Performance Tested MethodsSM program to validate the SureTect Salmonella species Assay incomparison to the reference method detailed in International Organization for Standardization 6579:2002 in a variety of food matrixes, namely, raw ground beef, raw chicken breast, raw ground pork, fresh bagged lettuce, pork frankfurters, nonfat dried milk powder, cooked p

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