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  1. Article: Presence of Polyketide Synthase (PKS) Gene and Counterpart Virulence Determinants in

    Kaur, Christina Parvinder / Iyadorai, Thevambiga / Sears, Cynthia / Roslani, April Camilla / Vadivelu, Jamuna / Samudi, Chandramathi

    Microorganisms

    2023  Volume 11, Issue 2

    Abstract: Klebsiella ... ...

    Abstract Klebsiella pneumoniae
    Language English
    Publishing date 2023-02-09
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2720891-6
    ISSN 2076-2607
    ISSN 2076-2607
    DOI 10.3390/microorganisms11020443
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: The role and influence of bacteria on the growth of Blastocystis sp. subtype 3.

    Kaur, Christina Parvinder / Yong, Chia Chai / Rajamanikam, Arutchelvan / Samudi, Chandramathi / Kumar, Suresh / Bhassu, Subha / Mohamad, Saharuddin / Venugopal, Kavilasha / Kareem, Sameem Abdul

    Parasitology research

    2023  Volume 122, Issue 7, Page(s) 1463–1474

    Abstract: Blastocystis sp. is an enteric protistan parasite that affects individuals worldwide with gastrointestinal symptoms such as abdominal discomfort, diarrhea, and flatulence. However, its pathogenicity is controversial due to its presence among asymptomatic ...

    Abstract Blastocystis sp. is an enteric protistan parasite that affects individuals worldwide with gastrointestinal symptoms such as abdominal discomfort, diarrhea, and flatulence. However, its pathogenicity is controversial due to its presence among asymptomatic individuals. Blastocystis sp. subtype 3 (ST3) is the most prevalent subtype among humans that have been associated with irritable bowel syndrome (IBS), Crohn's disease, ulcerative colitis, and colorectal cancer. Axenization of the parasite has been shown to impede its growth thus revealing the importance of accompanying bacteria in ensuring Blastocystis sp. survival. This study aims to identify the influence of accompanying bacteria on the growth of Blastocystis sp. ST3. Blastocystis sp. cultures were treated with Meropenem, Vancomycin, and Amoxicillin-Clavulanic acid (Augmentin). Bacteria-containing supernatant of antibiotic-treated and control cultures were isolated and identified through 16 s rRNA sequencing. Morphological changes of antibiotic-treated Blastocystis sp. ST3 were also observed. The cultures treated with meropenem and augmentin exhibited opposing effects with reduced growth of isolates from symptomatic patients and a significant increase in asymptomatic isolates. Whereas, vancomycin-treated cultures had no difference in the growth of Blastocystis sp. ST3 isolates from symptomatic and asymptomatic patients. Isolates from symptomatic and asymtomatic patients had 6 and 2 distinct bacterial species identified with Proteus mirabilis as the common bacteria among both types of isolates. Morphologically, Blastocystis sp. ST3 cultures exposed to meropenem and augmentin demonstrated an increase in pre-cystic forms. These findings demonstrate the effects of accompanying bacteria on the growth of Blastocystis sp. ST3 that could translate into clinical manifestations observed among Blastocystis sp.-infected patients.
    MeSH term(s) Humans ; Blastocystis ; Blastocystis Infections/parasitology ; Vancomycin ; Meropenem ; Amoxicillin-Potassium Clavulanate Combination ; Anti-Bacterial Agents/pharmacology ; Feces/parasitology
    Chemical Substances Vancomycin (6Q205EH1VU) ; Meropenem (FV9J3JU8B1) ; Amoxicillin-Potassium Clavulanate Combination (74469-00-4) ; Anti-Bacterial Agents
    Language English
    Publishing date 2023-05-10
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 284966-5
    ISSN 1432-1955 ; 0932-0113 ; 0044-3255
    ISSN (online) 1432-1955
    ISSN 0932-0113 ; 0044-3255
    DOI 10.1007/s00436-023-07842-2
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Impact of Klebsiella pneumoniae in lower gastrointestinal tract diseases.

    Kaur, Christina Parvinder / Vadivelu, Jamuna / Chandramathi, Samudi

    Journal of digestive diseases

    2018  Volume 19, Issue 5, Page(s) 262–271

    Abstract: The 2016 Global Burden of Disease report by WHO revealed that diseases of the gastrointestinal tract (GIT) had one of the highest incidence rates worldwide. The plethora of factors that contribute to the development of GIT-related illnesses can be ... ...

    Abstract The 2016 Global Burden of Disease report by WHO revealed that diseases of the gastrointestinal tract (GIT) had one of the highest incidence rates worldwide. The plethora of factors that contribute to the development of GIT-related illnesses can be divided into genetic, environmental and lifestyle factors. Apart from that, the role that infectious agents play in the development of GIT diseases has piqued the interest of researchers worldwide. The human gut harbors approximately 10
    MeSH term(s) Drug Resistance, Multiple, Bacterial ; Gastrointestinal Diseases/etiology ; Humans ; Klebsiella Infections/complications ; Klebsiella Infections/drug therapy ; Klebsiella pneumoniae/isolation & purification ; Klebsiella pneumoniae/pathogenicity ; Lower Gastrointestinal Tract/microbiology ; Virulence Factors/analysis
    Chemical Substances Virulence Factors
    Language English
    Publishing date 2018-05-20
    Publishing country Australia
    Document type Journal Article ; Review
    ZDB-ID 2317117-0
    ISSN 1751-2980 ; 1751-2972
    ISSN (online) 1751-2980
    ISSN 1751-2972
    DOI 10.1111/1751-2980.12595
    Database MEDical Literature Analysis and Retrieval System OnLINE

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