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Hyaluronatelyase production by Streptococcus pneumoniae isolated from patients and carriers

Ahmad Yusof @ Hanafi, Hanani and Mohd Desa, Mohd Nasir and Masri, Siti Norbaya and Osman, Malina and Jamal, Farida Fatema @ Farida (2015) Hyaluronatelyase production by Streptococcus pneumoniae isolated from patients and carriers. Tropical Biomedicine, 32 (3). pp. 413-418. ISSN 0127-5720

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Hyaluronatelyase produced by various microorganisms are capable of degrading hyaluronic acid in connective tissues and initiating the spread of infection by opening an access for the pathogen into host tissues. The present study attempts to determine the distribution of hyaluronatelyase-producing Streptococcus pneumoniae among invasive, non invasive and carriage isolates, and correlate it with the clinical sources, year of isolation, colonial morphology and their serotypes. A total of 100 isolates from various clinical samples were selected and screened for hyaluronatelyase production and presence of the encoding SpnHyl gene. All isolates possessed SpnHyl gene. Ninety-six isolates including 34 carriage isolates were positive for production of hyaluronatelyase. Four hyaluronatelyase-negative isolates were from blood (2 isolates) and sputum (2 isolates). No significant association was detected among hyaluronatelyase production and bacterial characteristics except for colonial morphology (p = 0.040). High percentages of hyaluronatelyase production in these isolates suggest their possible role as human pathogens.

Item Type:Article
Keyword:Hyaluronatelyase; Streptococcus pneumoniae
Faculty or Institute:Faculty of Medicine and Health Science
Publisher:Malaysian Society of Parasitology and Tropical Medicine
ID Code:37899
Deposited By: Nabilah Mustapa
Deposited On:01 Feb 2016 12:55
Last Modified:04 Jul 2016 13:23

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