Results 161 to 170 of about 1,815 (189)

Hypermucoviscous Klebsiella pneumoniae: A Challenge in Community Acquired Infection

IDCases, 2019
In 1986, a new syndrome was described in Taiwan secondary to hypervirulent K. pneumoniae (hvKP), and its main feature was the ability to cause severe infection in young and immunocompetent hosts. Their virulence is explained by the efficient acquisition of iron and an increase in capsule production, which confer the characteristic hypermucoviscous ...
Javier Sánchez-López, Rafael Cantón, Carolina Navarro San Francisco   +2 more
exaly   +5 more sources

Genomic and Immunological Characterization of Hypermucoviscous Carbapenem-Resistant Klebsiella pneumoniae ST25 Isolates From Northwest Argentina

International Journal of Molecular Sciences, 2022
In recent years, an increase in the prevalence hypermucoviscous carbapenem-resistant Klebsiella pneumoniae with sequence type 25 (ST25) was detected in hospitals of Tucuman (Northwest Argentina). In this work, the virulence and the innate immune response
Leonardo Albarracin, Shoichiro Kurata, Bruno N Andrade   +2 more
exaly   +2 more sources

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The Detection of Hypermucoviscous Carbapenem-Resistant Klebsiella pneumoniae from a Tertiary Teaching Hospital in Malaysia and Assessment of Hypermucoviscous as Marker of Hypervirulence

Microbial Drug Resistance, 2021
Background: Hypermucoviscous carbapenem-resistant Klebsiella pneumoniae (hmCRKp) is emerging globally and approaching the worst-case scenario in health care system ...
Zhi Xian, Kong, Rina, Karunakaran, Kartini, Abdul Jabar, Sasheela, Ponnampalavanar, Chun Wie, Chong, Cindy Shuan Ju, Teh   +5 more
openaire   +2 more sources

Draft Genome Sequences of Two Hypermucoviscous Carbapenem-Resistant ST25 Klebsiella pneumoniae Strains Causing Respiratory and Systemic Infections

Journal of Global Antimicrobial Resistance, 2021
Objectives: The emergence and spread of hypermucoviscous KPC-2-producing Klebsiella pneumoniae strains belonging to the sequence type 25 (ST25) clone was reported recently in Northwest Argentina as a leading cause of nosocomial infections.
Leonardo Albarracin, Haruki Kitazawa, Julio Villena   +2 more
exaly   +2 more sources

Improvement of transformation efficiency in hypermucoviscous Klebsiella pneumoniae using citric acid

Journal of Microbiological Methods, 2023
Transformation efficiency is very low in hypermucoviscous Kllebsiella pneumoniae owing to high amount of capsular polysaccharide. Here, we propose a method to improve the transformation in hypermucoviscous K. pneumoniae using citric acid. An increased number of recovered transformants was observed in the strains cultured in the presence of citric acid.
Suyeon, Park, Kwan Soo, Ko
openaire   +2 more sources

Pyogenic liver abscess caused by hypermucoviscous Klebsiella pneumoniae

Scandinavian Journal of Infectious Diseases, 2007
Community-acquired primary pyogenic liver abscess (PLA) caused by Klebsiella pneumoniae is an emerging infectious entity, with cases reported in the scientific literature over the past 15 y mainly from Taiwan and Asia, but also from Europe and North America.
Yoav, Keynan, James A, Karlowsky, Tom, Walus, Ethan, Rubinstein   +3 more
openaire   +2 more sources

Biofilm formation of hypermucoviscous and non-hypermucoviscous Klebsiella pneumoniae recovered from clinically affected African green monkey ( Chlorocebus aethiops sabaeus )

Microbial Pathogenesis, 2017
In recent years, an emergent Klebsiella pneumoniae hypermucoviscous (HMV) phenotype has been associated with increased invasiveness and pathogenicity in primates. The HMV phenotype is characterized by different capsular serotypes, associated with several genes including the rmpA (regulator of mucoid phenotype) and magA (mucoviscosity-associated) genes.
Esteban, Soto, Michelle M, Dennis, Amy, Beierschmitt, Stewart, Francis, Fortune, Sithole, Iona, Halliday-Simmons, Roberta, Palmour   +6 more
openaire   +2 more sources

Clinical, microbiological, and prognostic differences between hypermucoviscous and non-hypermucoviscous community-acquired Klebsiella pneumoniae infections

European Journal of Clinical Microbiology & Infectious Diseases
This study investigates the clinical, microbiological, and prognostic variations between hypermucoviscous Klebsiella pneumoniae (hmKp) and non-hypermucoviscous Kp (n-hmKp) infections.A total of 381 cases of community-acquired Klebsiella pneumoniae (cKp) infections at Zhongshan People's Hospital between January 2019 and November 2024 were analyzed ...
Hongkui, Sun, Miaolian, Chen, Xiaoxing, Huang   +2 more
openaire   +2 more sources

Clinical characteristics of bacteremia caused by hypermucoviscous Klebsiella pneumoniae at a tertiary hospital

Diagnostic Microbiology and Infectious Disease, 2019
This study aimed to assess the predictive factors of bacteremia due to hypermucoviscous Klebsiella pneumoniae (hvKP), as well as the mortality. The medical records of 114 patients with K. pneumoniae bacteremia who were divided into the hvKP (n = 24) and non-hvKP (n = 90) groups and were retrospectively reviewed.
Hiroki Namikawa, Koichi Yamada, Arata Sakiyama, Waki Imoto, Kazushi Yamairi, Wataru Shibata, Naoko Yoshii, Makoto Niki, Kiyotaka Nakaie, Ken-Ichi Oinuma, Taishi Tsubouchi, Mamiko Niki, Yoshihiro Tochino, Yasuhiko Takemoto, Yukihiro Kaneko, Taichi Shuto, Hiroshi Kakeya   +16 more
openaire   +2 more sources

‘String Test’ for Hypermucoviscous Klebsiella pneumoniae

The American Journal of Medicine, 2021
Elizabeth F. Eisenmenger, Emmanuel Guajardo, Natalie Finch, Robert L. Atmar, Zaven Sargsyan   +4 more
openaire   +2 more sources