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1

Fischer, Natalie, Margo Maex, Wesley Mattheus, et al. "Genomic epidemiology of persistently circulating MDR Shigella sonnei strains associated with men who have sex with men (MSM) in Belgium (2013–19)." Journal of Antimicrobial Chemotherapy 77, no. 1 (2021): 89–97. http://dx.doi.org/10.1093/jac/dkab377.

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Abstract Objectives Shigella sonnei resistant to first-line antibiotics azithromycin and ciprofloxacin are on the rise globally. The aim of this study was to describe the epidemiology of MDR S. sonnei in Belgium and to identify origins and circulating clusters through WGS. Methods We undertook demographic, temporal and geographical analysis of 930 S. sonnei isolates submitted to the Belgian National Reference Centre for Salmonella and Shigella between 2017 and 2019. Phylogenetic analysis of WGS data, genotyping and identification of genetic markers of antimicrobial resistance was performed on
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2

Bondarenko, A. P., T. A. Zaitseva, O. E. Trotsenko, et al. "SONNEI DYSENTERY MORBIDITY IN KHABAROVSK AND KHABAROVSK REGION DUE TO ATYPICAL MANNITOL-NEGATIVE CAUSATIVE AGENT." Journal of microbiology epidemiology immunobiology, no. 1 (February 28, 2017): 20–28. http://dx.doi.org/10.36233/0372-9311-2017-1-20-28.

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Aim. Determine features of epidemic process (EP) of Sonnei dysentery in Khabarovsk Region in 2012 - 2014 due to atypical causative agent. Materials and methods. Detailed characteristics of 161 cultures of Shigella sonnei isolated from 81 patients from epidemic focus in children boarding school in Bikin as well as from 22 patients from sporadic and group foci of dysentery in Khabarovsk (biochemical type, colicin-genotype, spectrum of drug resistance) is given. Molecular-biologic subtyping was carried out for 11 strains by Pulsed Field Gel Electrophoresis method (PFGE). Results. Materials of obs
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3

Cheng, Tingting, Xiaochao Shi, Wei Yong, Jianping Wang, Guoxiang Xie, and Jie Ding. "Molecular typing of Shigella sonnei isolates circulating in Nanjing, China, 2007–2011." Journal of Infection in Developing Countries 8, no. 12 (2014): 1525–32. http://dx.doi.org/10.3855/jidc.4933.

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Introduction: Shigellosis is a major public health concern worldwide. This study intended to assess the baseline genotyping data among local Shigella sonnei strains spanning over five years. Methodology: Fifty non-repeat clinical strains of S. sonnei isolated from stools of patients in different hospitals in Nanjing, China, were studied. Three subtyping tools, pulsed-field gel electrophoresis (PFGE), multi-locus sequence typing (MLST), and multi-locus variable-number tandem-repeat (VNTR) analysis (MLVA), were used for routinely subtyping local S. sonnei. Results: DNA sequencing only identified
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4

Nundwe, Mike, Joseph Yamweka Chizimu, John Mwaba, et al. "Antimicrobial Resistance Patterns and Serological Diversity of Shigella Species from Patient Isolates at University Teaching Hospital in Lusaka, Zambia." Bacteria 4, no. 2 (2025): 18. https://doi.org/10.3390/bacteria4020018.

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Background: Shigella species are the leading cause of human shigellosis. In Zambia, more than 30% of children experiencing diarrhea are infected with Shigella species. The increasing resistance of Shigella species to the recommended therapy is of great concern. Therefore, this study investigated the antibiotic resistance profiles and phenotypic and genotypic characteristics of Shigella isolates at the largest referral hospital in Zambia. Methodology: Of the forty-eight archived presumptive Shigella isolates, thirty-two were serologically confirmed and subjected to antimicrobial susceptibility
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5

Mazi, Waleed, Vartul Sangal, Amir Saeed, Gunnar Sandstrom, François-Xavier Weill, and Jun Yu. "Rapid Genotyping of Shigella sonnei by Use of Multiplex High-Resolution Melting." Journal of Clinical Microbiology 53, no. 7 (2015): 2389–91. http://dx.doi.org/10.1128/jcm.00874-15.

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6

Ayele, Basha, Adane Mihret, Zeleke Mekonnen, et al. "Whole genome sequencing and antimicrobial resistance among clinical isolates of Shigella sonnei in Addis Ababa, Ethiopia." PLOS ONE 19, no. 11 (2024): e0313310. http://dx.doi.org/10.1371/journal.pone.0313310.

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Background Shigellosis is an acute gastroenteritis infection and one of Ethiopia’s most common causes of morbidity and mortality, especially in children under five. Antimicrobial resistance (AMR) has spread quickly among Shigella species due to inappropriate antibiotic use, inadequacies of diagnostic facilities, and unhygienic conditions. This study aimed to characterize Shigella sonnei (S. sonnei) using whole genome sequence (WGS) analysis in Addis Ababa, Ethiopia. Methods The raw reads were quality-filtered and trimmed, and a minimum length of 50bp was retained and taxonomically classified u
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7

Meron-Sudai, Shiri, Arava Reizis, Sophy Goren, Anya Bialik, Amit Hochberg, and Dani Cohen. "Pentraxin 3 and Shigella LPS and IpaB Antibodies Interplay to Defeat Shigellosis." Journal of Clinical Medicine 11, no. 15 (2022): 4384. http://dx.doi.org/10.3390/jcm11154384.

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Shigella causes moderate to severe diarrhea or dysentery after invading the colon mucosa. Long Pentraxin 3 (PTX3) is recognized as the humoral component of the innate immune response to bacterial pathogens. We examined the interplay between levels of PTX3 and levels of anti-Shigella lipopolysaccharide (LPS) and anti-Shigella type 3 secretion system protein-IpaB antibodies in children during acute shigellosis and after recovery. PTX3 concentrations in serum and stool extracts were determined by sandwich ELISA using commercial anti-PTX3 antibodies. Serum IgG, IgM, and IgA anti-S. sonnei LPS or a
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8

María, del Pilar Cortés Gaona, and Amorocho-Cruz Claudia. "Evaluation of Lactic Acid Bacteria (LAB) against Shigella sonnei ATCC 25931." Revista Facultad de Ingeniería, Universidad de Antioquia, no. 105 (September 13, 2021): 89–97. https://doi.org/10.17533/udea.redin.20210958.

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  The main functions of Lactic Acid Bacteria (LAB) are the production of organic acids and their characteristic as inhibitors of pathogenic microorganisms. Disease caused by Shigella sonnei is a public health risk factor, as is the resistance they develop to antibiotics. Accordingly, in this study 4 LAB isolated from coffee, quesillo, and breast milk were evaluated under in vitro conditions on Shigella sonnei, considering the presence and cell-free filtration of LAB. The LAB strains were also studied via an antibiotic test using Penicillin, Ceftriaxone, and Ciprofloxacin. The results show
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9

Memariani, Hamed, and Mojtaba Memariani. "Genotyping and diversity of virulence genes among Shigella sonnei isolated from children with diarrhoea." Reviews in Medical Microbiology 30, no. 4 (2019): 217–22. http://dx.doi.org/10.1097/mrm.0000000000000180.

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10

Sváb, Domonkos, Balázs Horváth, Manfred Rohde, Gergely Maróti, and István Tóth. "R18C is a new viable P2-like bacteriophage of rabbit origin infecting Citrobacter rodentium and Shigella sonnei strains." Archives of Virology 164, no. 12 (2019): 3157–60. http://dx.doi.org/10.1007/s00705-019-04424-5.

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Abstract Here, we report a novel virulent P2-like bacteriophage, R18C, isolated from rabbit faeces, which, in addition to Escherichia coli K-12 strains, was able to be propagated on Citrobacter rodentium strain ICC169 and a range of Shigella sonnei strains with high efficiency of plating (EOP). It represents the first lytic bacteriophage originating from rabbit and the first infectious P2-like phage of animal origin. In the three characteristic moron-containing regions of P2-like phages, R18C contains genes with unknown function that have so far only been found in cryptic P2-like prophages.
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11

Navia, Margarita M., Liliana Capitano, Joaquin Ruiz, et al. "Typing and Characterization of Mechanisms of Resistance ofShigella spp. Isolated from Feces of Children under 5 Years of Age from Ifakara, Tanzania." Journal of Clinical Microbiology 37, no. 10 (1999): 3113–17. http://dx.doi.org/10.1128/jcm.37.10.3113-3117.1999.

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Eighty-six strains of Shigella spp. were isolated during the dry season from stool samples of children under 5 years of age in Ifakara, Tanzania. The epidemiological relationship as well as the antimicrobial susceptibility and mechanisms of resistance to ampicillin, chloramphenicol, and co-trimoxazole were investigated. Four different epidemiological tools, pulsed-field gel electrophoresis (PFGE), repetitive extragenic palindromic (REP)-PCR, plasmid analysis, and antibiogram, were compared for typing Shigella strains. Seventy-eight (90%) strains were Shigella flexneri and were distributed into
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12

KOUTSOTOLI, A. D., M. E. PAPASSAVA, V. E. MAIPA, and Y. P. ALAMANOS. "Comparing Shigella waterborne outbreaks in four different areas in Greece: common features and differences." Epidemiology and Infection 134, no. 1 (2005): 157–62. http://dx.doi.org/10.1017/s0950268805004747.

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SUMMARYIn Greece the public health surveillance for most infectious diseases, including shigellosis, is not well developed. However, four waterborne outbreaks of shigellosis have been recorded in Greece in the last three decades, in different areas of the country, under different environmental and socioeconomic conditions. This study presents the epidemiological characteristics of these four outbreaks in order to examine common points and differences and to investigate their possible association with environmental and socioeconomic conditions. All four outbreaks were caused by Shigella sonnei
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13

MAURER, A. M., and D. STÜRCHLER. "A waterborne outbreak of small round structured virus, campylobacter and shigella co-infections in La Neuveville, Switzerland, 1998." Epidemiology and Infection 125, no. 2 (2000): 325–32. http://dx.doi.org/10.1017/s0950268899004495.

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An outbreak of gastro-enteritis occurred in La Neuveville, township with 3358 inhabitants. A retrospective cohort study of 1915 participants showed that 1607 (84%) had been ill. Campylobacter jejuni was isolated from 28 patient faecal samples, Shigella sonnei from 21 patients and small round structured viruses (SRSV) from 6 patients. More than one pathogen was identified in eight persons. The epidemic curve was characteristic of a point-source outbreak. The risk for illness was significantly higher among persons who had drank unboiled drinking water than among those who had not (1290 [80·3%] o
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14

Gozdziewicz, Tomasz K., Anna Maciejewska, Alona Tsybulska, Czeslaw Lugowski, and Jolanta Lukasiewicz. "A New Look at the Enterobacterial Common Antigen Forms Obtained during Rough Lipopolysaccharides Purification." International Journal of Molecular Sciences 22, no. 2 (2021): 701. http://dx.doi.org/10.3390/ijms22020701.

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Enterobacterial common antigen (ECA) is a conserved antigen expressed by enterobacteria. It is built by trisaccharide repeating units: →3)-α-D-Fucp4NAc-(1→4)-β-D-ManpNAcA-(1→4)-α-D-GlcpNAc-(1→ and occurs in three forms: as surface-bound linear polysaccharides linked to a phosphoglyceride (ECAPG) or lipopolysaccharide − endotoxin (ECALPS), and cyclic form (ECACYC). ECA maintains, outer membrane integrity, immunogenicity, and viability of enterobacteria. A supernatant obtained after LPS ultracentrifugation was reported as a source for ECA isolation, but it has never been assessed for detailed co
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15

Maciejewska, Anna, Marta Kaszowska, Wojciech Jachymek, Czeslaw Lugowski, and Jolanta Lukasiewicz. "Lipopolysaccharide-Linked Enterobacterial Common Antigen (ECALPS) Occurs in Rough Strains of Escherichia coli R1, R2, and R4." International Journal of Molecular Sciences 21, no. 17 (2020): 6038. http://dx.doi.org/10.3390/ijms21176038.

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Enterobacterial common antigen (ECA) is a conserved surface antigen characteristic for Enterobacteriaceae. It is consisting of trisaccharide repeating unit, →3)-α-d-Fucp4NAc-(1→4)-β-d-ManpNAcA-(1→4)-α-d-GlcpNAc-(1→, where prevailing forms include ECA linked to phosphatidylglycerol (ECAPG) and cyclic ECA (ECACYC). Lipopolysaccharide (LPS)-associated form (ECALPS) has been proved to date only for rough Shigella sonnei phase II. Depending on the structure organization, ECA constitutes surface antigen (ECAPG and ECALPS) or maintains the outer membrane permeability barrier (ECACYC). The existence o
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16

Trivedi, Mahendra Kumar, Harish Shettigar, Shrikant Patil, Khemraj Bairwa, and Snehasis Jana. "Evaluation of Phenotyping and Genotyping Characteristic of Shigella sonnei after Biofield Treatment." Journal of Biotechnology & Biomaterials 5, no. 3 (2015). https://doi.org/10.4172/2155-952X.1000196.

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Shigella sonnei (S. sonnei) is a non-motile, rod shape, clinically significant, Gram-negative bacterium. It is commonly associated with dysentery (shigellosis). Recently, resistance to third and fourth generation cephalosporins and fluoroquinolones has been reported in S. sonnei. In the present study, we assessed the effect of biofield treatment on phenotyping and genotyping characteristic of S. sonnei (ATCC 9290). The lyophilized samples of S. sonnei were divided in three groups (G): G-I (control, revived), G-II (treatment, revived), and G-III (treatment, lyophilized). All these groups (contr
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17

Trivedi, Mahendra. "Evaluation of Phenotyping and Genotyping Characteristic of Shigella sonnei after Biofield Treatment." OMICS International, June 19, 2017. https://doi.org/10.5281/zenodo.813436.

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Shigella sonnei (S. sonnei) is a non-motile, rod shape, clinically significant, Gram-negative bacterium. It is commonly associated with dysentery (shigellosis). Recently, resistance to third and fourth generation cephalosporins and fluoroquinolones has been reported in S. sonnei. In the present study, we assessed the effect of biofield treatment on phenotyping and genotyping characteristic of S. sonnei (ATCC 9290). The lyophilized samples of S. sonnei were divided in three groups (G): G-I (control, revived), G-II (treatment, revived), and G-III (treatment, lyophilized). All these groups (contr
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18

Trivedi, Mahendra Kumar, and Shrikant Patil Harish Shettigar. "Evaluation of Phenotyping and Genotyping Characteristic of Shigella sonnei after Biofield Treatment." Journal of Biotechnology & Biomaterials 05, no. 03 (2015). http://dx.doi.org/10.4172/2155-952x.1000196.

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19

Hawkey, Jane, Kalani Paranagama, Kate S. Baker, et al. "Global population structure and genotyping framework for genomic surveillance of the major dysentery pathogen, Shigella sonnei." Nature Communications 12, no. 1 (2021). http://dx.doi.org/10.1038/s41467-021-22700-4.

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AbstractShigella sonnei is the most common agent of shigellosis in high-income countries, and causes a significant disease burden in low- and middle-income countries. Antimicrobial resistance is increasingly common in all settings. Whole genome sequencing (WGS) is increasingly utilised for S. sonnei outbreak investigation and surveillance, but comparison of data between studies and labs is challenging. Here, we present a genomic framework and genotyping scheme for S. sonnei to efficiently identify genotype and resistance determinants from WGS data. The scheme is implemented in the software pac
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20

Batchaev, KhKh, TD Pilipenko, LG Sereda, and TA Petryuk. "Features of the Incidence of Shigellosis in the Karachay-Cherkess Republic in 2005–2019." ЗДОРОВЬЕ НАСЕЛЕНИЯ И СРЕДА ОБИТАНИЯ - ЗНиСО / PUBLIC HEALTH AND LIFE ENVIRONMENT, March 2021, 78–84. http://dx.doi.org/10.35627/2219-5238/2021-336-3-78-84.

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Introduction: In the Karachay-Cherkess Republic (KCR), dysentery and salmonellosis rank high in the etiological structure of intestinal infections and arose interest in studying the incidence of shigellosis in the republic. Our objective was to analyze the incidence of bacillary dysentery, to study Shigella landscape in the territory of the KCR in 2005–2019, and to compare the findings with similar variables in other regions of the Russian Federation. Materials and methods: We analyzed data of the Center for Hygiene and Epidemiology in the Karachay-Cherkess Republic on the incidence of shigell
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21

Cortés Gaona, María del Pilar, and Claudia Amorocho-Cruz. "Evaluation of Lactic Acid Bacteria (LAB) against Shigella sonnei ATCC 25931." Revista Facultad de Ingeniería Universidad de Antioquia, September 13, 2021. http://dx.doi.org/10.17533/udea.redin.20210958.

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The main functions of Lactic Acid Bacteria (LAB) are the production of organic acids and their characteristic as inhibitors of pathogenic microorganisms. Disease caused by Shigella sonnei is a public health risk factor, as is the resistance they develop to antibiotics. Accordingly, in this study 4 LAB isolated from coffee, quesillo, and breast milk were evaluated under in vitro conditions on Shigella sonnei, considering the presence and cell-free filtration of LAB. The LAB strains were also studied via an antibiotic test using Penicillin, Ceftriaxone, and Ciprofloxacin. The results showed anta
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22

Shoja, Saeed, Saba Ghasemi, Mahsa Dastranj, et al. "Characterization of genotypes and antimicrobial resistance profiles of clinical isolates of Shigella from patients in the southern region of Iran." European Journal of Medical Research 28, no. 1 (2023). http://dx.doi.org/10.1186/s40001-023-01570-0.

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Abstract Background Shigella spp., which are facultative anaerobic bacilli within the Enterobacteriaceae family, present a significant public health burden due to their role as prominent contributors to diarrheal diseases worldwide. A molecular analysis can facilitate the identification and assessment of outbreaks involving this bacterium. So, we aimed to investigate the antibiotic susceptibility pattern and clonal relatedness of clinical Shigella spp. isolates obtained from patients with diarrhea in Hormozgan province, South of Iran. Methods From 2019 to 2021, a cross-sectional investigation
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23

Liu, Wei, Jia-Wei Tang, Jing-Yi Mou, et al. "Rapid discrimination of Shigella spp. and Escherichia coli via label-free surface enhanced Raman spectroscopy coupled with machine learning algorithms." Frontiers in Microbiology 14 (March 8, 2023). http://dx.doi.org/10.3389/fmicb.2023.1101357.

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Shigella and enterotoxigenic Escherichia coli (ETEC) are major bacterial pathogens of diarrheal disease that is the second leading cause of childhood mortality globally. Currently, it is well known that Shigella spp., and E. coli are very closely related with many common characteristics. Evolutionarily speaking, Shigella spp., are positioned within the phylogenetic tree of E. coli. Therefore, discrimination of Shigella spp., from E. coli is very difficult. Many methods have been developed with the aim of differentiating the two species, which include but not limited to biochemical tests, nucle
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24

Ayub, Maryam, Syed Zeeshan Haider Naqvi, Waseem Ahmad, et al. "Fabrication of anti-biofouling and antibacterial polysulfone membrane via impregnation of silver nanoparticles." Journal of the Pakistan Institute of Chemical Engineers 50, no. 2 (2023). http://dx.doi.org/10.54693/piche.05025.

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Biofouling is amongst the paramount complications in membrane filtration systems, which are used to purify wastewater. It increases the price tag on processes, whereas decreases the membrane permeability and period efficiency. Utilizing the strong attributes of silver nanoparticles (AgNPs) as antibacterial agents, mycological originated AgNPs were evaluated in the study. Development of polysulfone membrane (Psf) infused with AgNPs for wastewater treatment, having antibacterial along with antifouling properties were included in the study. Several water-drainage microbial insulates, e.g, Enterob
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25

Farshad, Shohreh, Reza Ranjbar, and Marziyeh Hosseini. "Molecular Genotyping of Shigella sonnei Strains Isolated From Children With Bloody Diarrhea Using Pulsed Field Gel Electrophoresis on the Total Genome and PCR-RFLP of IpaH and IpaBCD Genes." Jundishapur Journal of Microbiology 8, no. 1 (2014). http://dx.doi.org/10.5812/jjm.14004.

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