Results 111 to 120 of about 13,389 (213)

Human Hypervirulent Clostridium difficile Strains Exhibit Increased Sporulation as Well as Robust Toxin Production

, 2010
Toxigenic Clostridium difficile strains produce two toxins (TcdA and TcdB) during the stationary phase of growth and are the leading cause of antibiotic-associated diarrhea. C.
V. K. Viswanathan, Anilrudh Venugopal, Michelle Merrigan, Bryan Roxas, Stuart Johnson, Gayatri Vedantam, Dale N. Gerding, Michael Mallozzi   +7 more
core   +1 more source

Whole-Genome-Sequencing characterization of bloodstream infection-causing hypervirulent Klebsiella pneumoniae of capsular serotype K2 and ST374

Virulence, 2018
Hypervirulent K. pneumoniae variants (hvKP) have been increasingly reported worldwide, causing metastasis of severe infections such as liver abscesses and bacteremia.
Xiaoli Wang, Yingzhou Xie, Gang Li, Jialin Liu, Xiaobin Li, Lijun Tian, Jingyong Sun, Hong-Yu Ou, Hongping Qu   +8 more
doaj   +1 more source

Molecular epidemiology and clinical features of Klebsiella variicola bloodstream infection compared with infection with other Klebsiella pneumoniae species complex strains

Microbiology Spectrum
Klebsiella variicola is an emerging pathogen within the Klebsiella pneumoniae species complex, and its clinical and microbiological characteristics remain poorly understood.
Tatsuya Ohno, Sohei Harada, Hiroki Saito, Rimi Tanii, Kohji Komori, Miki Kurosawa, Haruaki Wakatake, Minoru Kanazawa, Uiri Ohki, Ayu Minoura, Mario Yamada, Satsuki Kaneko, Momoko Anzai, Yuto Tsutsui, Asuka Kuhara, Tadatomo Oyanagi, Yosuke Tanaka, Hiromu Takemura, Hiroaki Takeuchi, Hiroyuki Kunishima   +19 more
doaj   +1 more source

Predomination of hypervirulent ST283 and genetic diversity of levofloxacin resistance in multidrug-resistant, hypervirulent Streptococcus agalactiae in Thailand

Journal of Medical Microbiology
Introduction. Group B Streptococcus (GBS) is a multi-host pathogen causing pneumonia and meningitis in humans as well as streptococcal diseases in tilapia and mastitis in cattle. Thailand has experienced a significant increase in GBS infections that greatly impact health and economics. Gap statement.
Wajeeorn Ouancharee, Anusak Kerdsin, Hien Van Doan, Chanagun Chitmanat, Kiatichai Faksri, Aroonlug Lulitanond, Aroonwadee Chanawong, Nicha Charoensri   +7 more
openaire   +2 more sources

Reconstruction of dispersal patterns of hypervirulent meningococcal strains of serogroup C:cc11 by phylogenomic time trees [PDF]

, 2019
Neisseria meningitidis is one of the few commensal bacteria that can even cause large epidemics of invasive meningococcal disease (IMD). N. meningitis serogroup C belonging to the hypervirulent clonal complex 11 (cc11) represents an important public ...
Luigina Ambrosio, Neri, Arianna, Liseo, Brunero, Clara Grazian, Lo Presti, A, Neri, A, Arianna Neri, Alessandra Lo Presti, Martin Christopher James Maiden, Presti, AL, Rezza, Giovanni, Maiden, Martin, Maiden, M, Paola Vacca, Maiden, MCJ, Fazio, Cecilia, Stefanelli, P, Stefanelli, Paola, Grazian, C, Grazian, Clara, Grazian, C ; https://orcid.org/, Lo Presti, Alessandra, Ambrosio, L, Liseo, B, Cecilia Fazio, Rezza, G, Vacca, Paola, Paola Stefanelli., Maiden, Martin Christopher James, Fazio, C, Giovanni Rezza, Brunero Liseo, Vacca, P, Ambrosio, Luigina   +33 more
core   +1 more source

Genomic surveillance indicates clonal replacement of hypervirulent Klebsiella pneumoniae ST881 and ST29 lineage strains in vivo

Frontiers in Microbiology
The emergence of hypervirulent Klebsiella pneumoniae (hvKp) poses a significant public health threat, particularly regarding its carriage in the healthy population.
Ning Liu, Ningjie Lou, Jiajie Huang, Zhenhao Chen, Bing Li, Zhongheng Zhang, Yucai Hong, Liping Cao, Wei Xiao   +8 more
doaj   +1 more source

Hypervirulent Clostridium Difficile Strains: Adherence, Toxin Production and Sporulation

, 2010
Clostridium difficile is a leading cause of nosocomial infections, and recently emerged hypervirulent C. difficile strains have caused epidemics worldwide.
Merrigan, Michelle Marie
core  

Clostridioides difficile infections caused by hypervirulent strains: a single-centre real-life study

Background and Purpose: Clostridioides difficile infection (CDI) is a leading cause of healthcare-associated infections worldwide, with hypervirulent strains linked to severe disease and higher mortality.
Tiecco, Giorgio, Pellizzeri, Simone, Caruso, Arnaldo, Castelli, Francesco, De Francesco, Maria Antonia, Lenzi, Angelica, Rossini, Francesco, Sollima, Alessio, Signorini, Liana, Quiros-Roldan, Eugenia   +9 more
core   +1 more source

Data_Sheet_1_The Occurence of Colistin-Resistant Hypervirulent Klebsiellapneumoniae in China.docx

, 2018
Hypervirulent Klebsiella pneumoniae strains are usually susceptible to many antimicrobial agents including colistin. Here we report the isolation and characterization of several colistin-resistant hypervirulent K. pneumoniae clinical strains.
Zhiyong Zong (237098), Yang Lu (59885), Alan McNally (3115377), Yu Feng (445691)   +3 more
core   +1 more source

Molecular mechanisms responsible KPC-135-mediated resistance to ceftazidime-avibactam in ST11-K47 hypervirulent Klebsiella pneumoniae

Emerging Microbes and Infections
Ceftazidime-avibactam resistance attributable to the blaKPC-2 gene mutation is increasingly documented in clinical settings. In this study, we characterized the mechanisms leading to the development of ceftazidime-avibactam resistance in ST11-K47 ...
Qingyu Shi, Siquan Shen, Chengkang Tang, Li Ding, Yan Guo, Yang Yang, Shi Wu, Renru Han, Dandan Yin, Fupin Hu   +9 more
doaj   +1 more source