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Browsing by Author "Ranjan, Amit"
Now showing items 1-7 of 7
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2017-10-24ZeitschriftenartikelComparative Genomic Analysis of Globally Dominant ST131 Clone with Other Epidemiologically Successful Extraintestinal Pathogenic Escherichia coli (ExPEC) Lineages Shaik, Sabiha; Ranjan, Amit; Tiwari, Sumeet K.; Hussain, Arif; Nandanwar, Nishant; Kumar, Narender; Jadhav, Savita; Semmler, Torsten; Baddam, Ramani; Islam, Mohammed Aminul; Alam, Munirul; Wieler, Lothar H.; Watanabe, Haruo; Ahmed, NiyazEscherichia coli sequence type 131 (ST131), a pandemic clone responsible for the high incidence of extraintestinal pathogenic E. coli (ExPEC) infections, has been known widely for its contribution to the worldwide dissemination ...
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2017-08-15ZeitschriftenartikelComparative Genomics of Escherichia coli Isolated from Skin and Soft Tissue and Other Extraintestinal Infections Ranjan, Amit; Shaik, Sabiha; Nandanwar, Nishant; Hussain, Arif; Tiwari, Sumeet K.; Semmler, Torsten; Jadhav, Savita; Wieler, Lothar H.; Alam, Munirul; Colwell, Rita R.; Ahmed, NiyazEscherichia coli, an intestinal Gram-negative bacterium, has been shown to be associated with a variety of diseases in addition to intestinal infections, such as urinary tract infections (UTIs), meningitis in neonates, ...
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2018-06-15ZeitschriftenartikelESBL-plasmid carriage in E. coli enhances in vitro bacterial competition fitness and serum resistance in some strains of pandemic sequence types without overall fitness cost Ranjan, Amit; Scholz, Julia; Semmler, Torsten; Wieler, Lothar H.; Ewers, Christa; Müller, Stefanie; Pickard, Derek J.; Schierack, Peter; Tedin, Karsten; Ahmed, Niyaz; Schaufler, Katharina; Guenther, SebastianBackground: Extended spectrum beta lactamase (ESBL)-producing extraintestinal pathogenic Escherichia coli infections are of global interest because of their clinical and economic impact. The ESBL resistance genes disseminate ...
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2021-03-02ZeitschriftenartikelEvolutionary Dynamics Based on Comparative Genomics of Pathogenic Escherichia coli Lineages Harboring Polyketide Synthase (pks) Island Suresh, Arya; Shaik, Sabiha; Baddam, Ramani; Ranjan, Amit; Qumar, Shamsul; Jadhav, Savita; Semmler, Torsten; Ghazi, Irfan A.; Wieler, Lothar H.; Ahmed, NiyazThe genotoxin colibactin is a secondary metabolite produced by the polyketide synthase (pks) island harbored by extraintestinal pathogenic E. coli (ExPEC) and other members of the Enterobacteriaceae that has been increasingly ...
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2019-12-03ZeitschriftenartikelGenomic and Functional Characterization of Poultry Escherichia coli From India Revealed Diverse Extended-Spectrum β-Lactamase-Producing Lineages With Shared Virulence Profiles Hussain, Arif; Shaik, Sabiha; Ranjan, Amit; Suresh, Arya; Sarker, Nishat; Semmler, Torsten; Wieler, Lothar H.; Alam, Munirul; Watanabe, Haruo; Chakravortty, Dipshikha; Ahmed, NiyazExtended-spectrum β-lactamases (ESBLs) form the most important resistance determinants prevalent worldwide. Data on ESBL-producing Escherichia coli from poultry and livestock are scarce in India. We present data on the ...
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2018-11-15ZeitschriftenartikelMolecular Genetic and Functional Analysis of pks-Harboring, Extra-Intestinal Pathogenic Escherichia coli From India Suresh, Arya; Ranjan, Amit; Jadhav, Savita; Hussain, Arif; Shaik, Sabiha; Alam, Munirul; Baddam, Ramani; Wieler, Lothar H.; Ahmed, NiyazColibactin, a genotoxin, encoded by the pks pathogenicity island of Escherichia coli belonging to the B2 phylogroup has been reported as a determinant of bacterial pathogenicity. The present study was carried out to detect ...
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2017-11-13ZeitschriftenartikelRisk of Transmission of Antimicrobial Resistant Escherichia coli from Commercial Broiler and Free-Range Retail Chicken in India Hussain, Arif; Shaik, Sabiha; Ranjan, Amit; Nandanwar, Nishant; Tiwari, Sumeet K.; Majid, Mohammad; Baddam, Ramani; Qureshi, Insaf A.; Semmler, Torsten; Wieler, Lothar H.; Islam, Mohammad A.; Chakravortty, Dipshikha; Ahmed, NiyazMultidrug-resistant Escherichia coli infections are a growing public health concern. This study analyzed the possibility of contamination of commercial poultry meat (broiler and free-range) with pathogenic and or multi-resistant ...