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Journal : BALI MEDICAL JOURNAL (BMJ)

SUSCEPTIBILITY OF RIFAMPICIN-ISONIAZID RESISTANT MYCOBACTERIUM TUBERCULOSIS ISOLATES AGAINST LEVOFLOXACIN Kurniawan, Alvin Hartanto; Mertaniasih, Ni Made; Soedarsono, S.
BALI MEDICAL JOURNAL Vol 5 No 1 (2016)
Publisher : BALI MEDICAL JOURNAL

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Abstract

Background: Tuberculosis (TB) is a high burden disease in Indonesia with multidrug-resistant (MDR) TB incidence started to increase. Treatment success of MDR-TB globally was low in number than it was targeted which was especially caused by fluoroquinolone resistance. One of the fluoroquinolone is levofloxacin, an antibiotic that has been widely used irrationally as antimicrobial treatment. Therefore, this study investigated the sensitivity and MBC of MDR Mycobacterium tuberculosis isolates against Levofloxacin. Method: The susceptibility test for MDR -Mycobacterium tuberculosis on levofloxacin by standard method with levofloxacin were on concentrations 0,5 ?g/ml, 1 ?g/ml, and 2 ?g/ml. Sample of 8 strains MDR-Mycobacterium tuberculosis were cultured with each concentrations on Middlebrook 7H9 for 1 week incubation. Next, each of the incubated concentration was subcultured on solid media Middlebrook 7H10 for 3 weeks incubation. Colonized agar plates after 3 weeks incubation were confirmed with acid-fast stain. Results: On MB 7H10 with levofloxacin concentration 2 ?g/ml showed bactericidal effect 100% by no MDR Mycobacterium tuberculosis colony grew (0/8) while the MB 7H10 with levofloxacin concentration 1 ?g/ml and 0,5 ?g/ml showed the bactericidal effect 37,5% and 25% respectively. The colonized agar plate implied that the MDR Mycobacterium tuberculosis with levofloxacin concentration 1 ?g/ml (5/8) and 0,5 ?g/ml (6/8) grew well. Conclusion: Levofloxacin concentration 2 ?g/ml was susceptible on MDR Mycobacterium tuberculosis. The concentration 2 ?g/ml of levofloxacin could be considered as MBC.
SPECIFIC GYRB SEQUENCE OF MYCOBACTERIUM TUBERCULOSIS CLINICAL ISOLATED FROM SPUTUM OF PULMONARY TUBERCULOSIS PATIENTS IN INDONESIA Mertaniasih, Ni Made; Wiqoyah, Nurul; Kusumaningrum, Deby; Soedarsono, S.; Perwitasari, Agnes Dwi Sis; Artama, Wayan Tunas
BALI MEDICAL JOURNAL Vol 3 No 3 (2014)
Publisher : BALI MEDICAL JOURNAL

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Abstract

Background: Indonesia have many different geographic areas which could be various on the variant strains of Mycobacterium tuberculosis. The gyrB gene codes GyrB protein as sub unit compound of Gyrase enzyme that functioning in multiplication of bacteria. Detection of gyrB gene could be a marker of active multiplication of viable bacteria in the specimen from patients; and some of the DNA sequence regions were conserved and specific in the strain of Mycobacterium tuberculosis that would be a marker for identification. This research aims to analyze the sequence of gyrB gene of Mycobacterium tuberculosis clinical isolates from sputum of pulmonary TB patients in Indonesia, and determine the specific region. Method: Mycobacterium tuberculosis clinical isolates have been collected from sputum of the patients with pulmonary TB that live in some area in Indonesia. Isolation and identification of Mycobacterium tuberculosis clinical isolates using standard culture method; sequence analysis using PCR-direct sequencing of the part bases region of gyrB. Results: this study revealed that nucleotide sequence on a fragment 764 bases of gyrB gene Mycobacterium tuberculosis strains among clinical isolates almost identically to a wild type strain Mycobacterium tuberculosis H37Rv and subspecies member of Mycobacterium tuberculosis complex (MTBC), with a little difference of SNPs; there are many difference nucleotide sequence with MOTT and Gram positive or negative bacteria, except Corynebacterium diphtheria identically with MTBC. Conclusion: the gyrB sequence in Mycobacterium tuberculosis strains among these clinical isolates from sputum of pulmonary TB patients in Indonesia have the conserved specific DNA region that almost identically with wild type strain H37Rv and MTBC.
Co-Authors Abdul Rahman Bahmid Agnes Dwi Sis Perwitasari, Agnes Dwi Sis Agung Dewi Sekar Agustinus Rizki Wirawan Riadi Akirasena, Mayoori Alvin Hartanto Kurniawan, Alvin Hartanto Amelia Lorensia ANAK AGUNG ISTRI AGUNG, SRILA NATASWARI Andri Dwi Wahyudi Andy Sulaiman Siregar Anindya Zalfaa Kusuma Dewi Anita Dewi Anggraini Anita Widyoningroem Bendrong Moediarso Budi Suprapti Budiono Budiono D. Sunarti Deby Kusumaningrum Diana, Adawiyah Putri Dody Taruna Eko Budi Koendhori, Eko Budi Elisabeth Tri Wahyuni Widoretno Farah Nurul Rakhima H. Haryono Indri Ngesti Rahayu Irmawati M. Dikman Isa Ansori Jusak Nugraha Kartono Wibowo Kuntaman Kuntaman Kusmiati, Tutik Laily Hidayati Lestari Dewi Lulus Handayani M. Faiqun Ni'am M. Yamin S. S Makhfudli Makhfudli ManikRetno Wahyunitisari Mohammad Yamin Sunaryo Suwandi Monica Dyah Puspitasari Muhammad Bagus Fidiandra Ni Made Mertaniasih Ni Putu Anggita Medyantari Nurul Wiqoyah, Nurul Nuswantoro, Djohar Pepy Dwi Endraswari, Pepy Dwi Permatasari, Ariani Pramanindyah Bekti Anjani Prasetya, Hanung Purwoko, Agus Putra, Oki Nugraha Putranto, J.Nugroho Eko Rachmat Mudiyono Retno Budiarti Ricky Septafianty Rivan Virlando Suryadinata Ronald Pratama A. Ronald Pratama Adiwinoto Rosantia Sarassari Rudi Hariyono Safira Nur Ainiyah Setiawati, Rosy Sheila Gerhana Darmayanti Shelly Puspita Ayu Wardhani Siti Ermawati Sondang Kuncoro Stephanie Christina Sulaiman Tejowati, Rr Putri Tejowati Titiek sulistyowati Tri Puji Astuti Umiastuti, Pirlina Wahyu Agung Purnomo Wahyu Setiani Wibowo Wahyu Setiani Wibowo Wayan Tunas Artama Yelvi Levani