is a common cause of health-care associated infections (HAIs) and has high levels of antibiotic resistance. These bacteria are well-known for their ability to produce biofilm. The purpose of this ...study was to identify the antibiotic resistance pattern and biofilm-producing capacity of
isolated from clinical samples in a tertiary care hospital in Klaten, Indonesia.
was isolated from inpatients in Soeradji Tirtonegoro Hospital Klaten from June 2017 to May 2018. Identification of
isolate was done by analyzing colony morphology, microscopic examination, and by performing biochemical testing. Testing of antibiotics susceptibility and biofilm-producing capacity used the Kirby-Bauer disk diffusion method and adherence quantitative assays, respectively.
A total of 167 (17.36%)
isolates were isolated from 962 total clinical bacterial isolates during the study. Most of them were collected from patients aged more than 60 years old and were mainly obtained from respiratory specimens (51.50%). Most of
isolates were extensively resistant to antibiotics. A more favorable profile was found only towards meropenem, amikacin, and piperacillin-tazobactam, showing 1.20%; 4.79% and 10.53% of resistance, respectively. The overall proportion of multidrug-resistant
isolates was 54.49%. In addition, 148 (85.63%) isolates were biofilm producers, with 45 (26.95%) isolates as strong, 48 (28.74%) isolates as moderate, and 50 (29.94%) isolates as weak biofilm producers.
Most of the
isolates demonstrated resistance to a wide range of antibiotics and are biofilm producers.
Severe diarrhea from rotavirus remains an important cause of illness in infants. In this trial, investigators in Indonesia assessed the potential benefit of a neonatal rotavirus vaccine.
Background Vitamin D deficiency in infants has been associated with an increased risk of a number of diseases but there are limited data on the prevalence and determinants of vitamin D deficiency ...from tropical settings with high infant morbidity and mortality. Objective To determine the prevalence and determinants of vitamin D deficiency in infants at birth and at six months of age in Yogyakarta province, Indonesia. Design Serum vitamin D of eligible infants was measured in cord blood at birth and at six months of age. Factors associated with vitamin D deficiency (serum 25-hydroxyvitamin D 50 nmol/L) were collected prospectively monthly from birth and concentrations measured by liquid chromatography-tandem mass spectrometry. Independent risk factors were identified by multiple logistic regression. Results Between December 2015 to December 2017, 350 maternal-newborn participants were recruited and followed up. Vitamin D deficiency was detected in 90% (308/344) of cord blood samples and 13% (33/255) of venous blood samples at six months. Longer time outdoors (greater than or equal to2 hours per day) and maternal multivitamin intake containing vitamin D during pregnancy were protective against vitamin D deficiency at birth (AOR: 0.10, 95% CI: 0.01-0.90 and AOR: 0.21, 95% CI: 0.06-0.68, respectively). Risk factors for vitamin D deficiency at six months included lower cumulative skin-sun exposure score (AOR: 1.12, 95% CI: 1.04-1.20), severe vitamin D deficiency at birth (AOR: 7.73, 95% CI: 1.20-49.60) and exclusive breastfeeding (AOR: 2.64, 95% CI: 1.07-6.49) until six months. Among exclusively breast fed (EBF) infants, a higher skin-sun exposure score was associated with reduced vitamin D deficiency risk. Conclusion In equatorial regions, the role of 'safe' morning sun exposure in infants and mothers in populations with medium to dark brown skin pigmentation and effective interventions to prevent vitamin D deficiency in newborns and EBF infants, need further consideration and evaluation.
Celotno besedilo
Dostopno za:
DOBA, IZUM, KILJ, NUK, PILJ, PNG, SAZU, SIK, UILJ, UKNU, UL, UM, UPUK
•The annual prevalence of rotavirus remains high, nearly 50% of hospitalized children.•Rotavirus diarrhea occurred mostly in children under 2 years of age.•The most prevalent genotypes were G1P8 in ...2010–2012 and G3P8 in 2013–2015.
Rotavirus diarrhea is a common disease worldwide which mostly affects children under five years old. Rotavirus infection causes severe diarrhea and leads to substantial health care costs. In Indonesia the rotavirus vaccine has been available since 2011, however it has not been included into the National Immunization Program. This study aims to describe the proportion of rotavirus in children under 5 in Indonesia, the clinical characteristics of rotavirus infections, and the rotavirus strains circulating in the country during 2010–2015.
Children under five years of age with acute watery diarrhea were prospectively identified and enrolled through the active diarrhea surveillance system in 5 sites in four provinces in Indonesia during 2010–2015. The rotavirus specimens were tested using Enzyme Immunoassay. Bivariate logistic regression tests were performed to compare rotavirus positive and negative results with respect to the collected demographic and clinical variables.
From January 2010 to December 2015, the average annual rotavirus prevalence among children hospitalized with acute watery diarrhea in four provinces in Indonesia was 47.5%. Rotavirus diarrhea occurred mostly in children under 2 years of age. Of all age groups, children aged 6–11 and 12–23 months had the highest prevalence of rotavirus diarrhea in all years (54.2% and 50.6%, respectively). This study found that the most prevalent of G and P genotypes were G1P8 in 2010 (63.2%), 2011 (64.1%) and 2012 (74.6%) and G3P8 in 2013 (49.7%), 2014 (82.5%) and 2015 (84.4%)
This study demonstrates that rotavirus is a major cause of diarrhea in hospitalized children in Indonesia. These findings highlight the need for inclusion of the rotavirus vaccine to the National Immunization Program in Indonesia.
Infectious diseases caused by oral pathogenic bacteria are currently a serious problem due to the increasing incidence of antimicrobial resistance. Streptomyces sp. GMR22, a soil actinobacterium ...which has large-genome size. In previous studies, it was known to have antifungal, and antibiofilm activity on Candida albicans. However, its antibacterial activity on oral pathogenic bacterium, Porphyromonas gingivalis is not clear. This study aimed to identify potential active compound based on genome mining analysis and to evaluate the antibacterial activity of GMR22 extract on P. gingivalis ATCC 33277. Potential active compounds and biosynthesis gene clusters were analysis using antiSMASH version 5. Antibacterial activity assay was carried out by the microdilution method on P. gingivalis ATCC 33277. Based on genome mining analysis polyketide synthase (PKS), the Streptomyces sp. GMR22 is the abundant BGCs (35%) and has large-predicted compounds which have antibiotic-antibacterial activity (22.9%). On antibacterial assay, chloroform extract of GMR22 at 7.8 – 62.5 µg/mL has high antibacterial activity on P. gingivalis compared to other extracts. Soil Streptomyces sp. GMR22 bacterium has biotechnological potential to produce active compounds for antibacterial.
Porphyromonas gingivalis
, a keystone pathogen in chronic periodontitis, has fimbria as one of the most important virulence factors because it plays a vital role in the pathogenesis of
P. gingivalis
...infection. This bacterium has 2 fimbriae: the major (FimA) and minor (Mfa1) fimbriae. Fimbriae are attractive targets for anti-infective therapy for periodontal disease. The aim of this study was to analyze the interactions of several compounds thought to be present in
Streptomyces sp.
GMY02 strain against FimA and Mfa1 proteins in
P. gingivalis
fimbriae in silico. A total of 8 ligands were docked to FimA and Mfa1 fimbriae using AutoDock Vina in University of California, San Francisco (UCSF) Chimera 1.16. All of the selected ligands had higher free energy values than metronidazole as well. In conclusion, the compounds suspected to be present in
Streptomyces sp
. strain GMY02 has the potential to destruct
P. gingivalis
fimbriae.
Biofilm-forming fungi, Candida albicans, are currently a serious problem in infectious disease cases. Soil bacteria Streptomyces sp. GMR22 have a large genome size and antifungal metabolites against ...C. albicans, but its potential antibiofilm activity is not clearly defined. The aims of this study were to determine the antibiofilm activity of GMR22 against C. albicans, identify the main constituents of active extracts, and investigate the biosynthesis gene clusters encoding the enzymes related to metabolism pathways. Antifungal and antibiofilm measurements were performed using in vitro assays on C. albicans ATCC 10231. Main constituents of active extracts were analyzed using untargeted Liquid Chromatography tandem High-Resolution Mass Spectrometry (LC-HRMS). RAST software was applied to investigate the gene clusters of the biosynthesis pathways based on whole genome sequences. Chloroform extract of GMR22 has antifungal and antibiofilm properties at 13–420 μg/mL with palmitic acid (C16H32O2, 273.27028 Da), a saturated fatty acid as a major constituent (42.74). Streptomyces sp. GMR22 has 53 subsystems related to fatty acids biosynthesis (Fab) FAS II. The Kyoto Encyclopedia of Gene and Genome map of Fab revealed 10 of 21 (47.6%) gene clusters encode enzymes related to Fab. There were six gene clusters encoding the enzymes related to the hexadecenoic acid (palmitic acid) biosynthesis pathways: 6.4.12; FabD, FabH, FabF, FabG, FabI and 1.14.192. Each enzyme was encoded by 3–14 genes. These results confirmed that soil Streptomyces sp. GMR22 bacterium has remarkable biotechnological potential by producing fatty acids which are mostly palmitic acid as an active antibiofilm agent against C. albicans.
Antibiofilm; Biosynthesis gene cluster; Candida albicans; Fatty acid; Streptomyces.
Globally, the prevalence of Klebsiella pneumoniae (K. pneumonia) producing extended spectrum beta lactamase (ESBL) has been increasing steadily. The susceptibility patterns of ESBL-producing K. ...pneumonia varies considerably among countries. Therefore, the investigation of ESBL-producing K. pneumoniae in clinical isolates and their susceptibility are warranted. This research aimed to determine the proportion of ESBL-producing K. pneumoniae and the antibiotic susceptibility patterns of clinical isolates from Dr. Soeradji Tirtonegoro General Hospital, Klaten, Central Java. Identification of K. pneumoniae was performed by analyzing colony morphology, microscopic examination, and biochemical testing using Microbact. Both antibiotic susceptibility testing and ESBL screening (using ceftazidime, cefotaxime, and ceftriaxone discs) were conducted using disc diffusion method according to CLSI. The positive results were confirmed with modified double disk synergy (MDDST) using amoxicillin-clavulanate, ceftazidime, cefotaxime, and cefepime discs. From 962 clinical bacterial isolates, 168 (17.46%) isolates were identified as K. pneumoniae, during June 2017-May 2018. K. pneumoniae was mainly isolated from the Intensive Care Units (ICU) (29.17%) and with sputum being the most common specimen (45.24%). Overall ESBL producers were 52.98%, with the majority from ICU (41.57%) and isolated from sputum specimens (40.45%). ESBL-producing K. pneumoniae showed high resistance to many antibiotics. The sensitivity of ESBL-producing K. pneumoniae isolated from respiratory tract samples against piperacillin-tazobactam, amikacin, and meropenem was more than 80%. In conclusion, among all K. pneumoniae isolates, ESBL K. pneumoniae was 52.98%. ESBL K. pneumoniae from respiratory tract specimens had a sensitivity of more than 80% against piperacillin-tazobactam, amikacin, and meropenem.
Background
Diarrhea significantly contributes to the global burden of diseases, particularly in developing countries. Rotavirus and norovirus are the most dominant viral agents responsible for ...diarrheal disease globally. The aim of this review was to conduct a comprehensive assessment of rotavirus and norovirus study in Indonesia.
Data sources
Articles about rotavirus and norovirus surveillance in Indonesia were collected from databases, including PubMed and Google Scholar. Manual searching was performed to identify additional studies. Furthermore, relevant articles about norovirus diseases were included.
Results
A national surveillance of rotavirus-associated gastroenteritis has been conducted for years, resulting in substantial evidence about the high burden of the diseases in Indonesia. In contrast, norovirus infection received relatively lower attention and very limited data are available about the incidence and circulating genotypes. Norovirus causes sporadic and epidemic gastroenteritis globally. It is also emerging as a health problem in immunocompromised individuals. During post-rotavirus vaccination era, norovirus potentially emerges as the most frequent cause of diarrheal diseases.
Conclusions
Our review identifies knowledge gaps in Indonesia about the burden of norovirus diseases and the circulating genotypes. Therefore, there is a pressing need to conduct national surveillance to raise awareness of the community and national health authority about the actual burden of norovirus disease in Indonesia. Continuing rotavirus surveillance is also important to assess vaccine effectiveness and to continue tracking any substantial changes of circulating rotavirus genotypes.
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