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The human microbiota plays a crucial role in educating the immune system and influencing host health right since birth. Various maternal factors along with the vertical microbial transfer from the mother, as well as the horizontal environmental transmission and internal factors relating to the infant, play a crucial role in modulating the gut microbiota. The early life microflora is highly unstable and undergoes dynamic changes during the first few years, converging towards a more stabilized adult microbiota by co-evolving with the host by the age of 3–4 years. Microbiota studies have underlined the role of dysbiosis in developing several metabolic disorders like obesity, diabetes and immune-related disorders like asthma, to name a few. Thus, understanding early life microbial composition and various factors affecting the microbial community will provide a platform for developing strategies/techniques to maintain host health by restoring gut microbial flora. This review focuses on the factors that affect the microbial composition of the foetus in utero, during birth, infancy through childhood.

The human gut microbiome plays a crucial role in the compositional development of gut microbiota. Though well documented in western pediatrics population, little is known about how various host conditions affect populations in different geographic locations such as the Indian subcontinent. Given the impact of distinct environmental conditions, our study assess the gut bacterial diversity of a small cohort of Indian and Finnish children and investigated the influence of FUT2 secretor status and birth mode on the gut microbiome of these populations. Using multiple profiling techniques, we show that the gut bacterial community structure in 13–14-year-old Indian (n = 47) and Finnish (n = 52) children differs significantly. Specifically, Finnish children possessed higher Blautia and Bifidobacterium , while genera Prevotella and Megasphaera were predominant in Indian children. Our study also demonstrates a strong influence of FUT2 and birth mode variants on specific gut bacterial taxa, influence of which was noticed to differ between the two populations under study.

The aim of the present study was to produce exo-polygalacturonase from potent soil isolate by submerged fermentation and its application for fruit juice treatment. Pectinase producing strains were selectively isolated from pectin industry waste. A selected isolate C2 was found to produce significant amount of exo-polygalacturonase. The isolate was identified as Paecilomyces variotii on the basis of morphological characteristics and 18S rRNA gene sequence analysis. The exo-polygalacturonase produced by the isolate was purified by ammonium sulphate precipitation, size exclusion chromatography and ion exchange chromatography. The purified enzyme had MW of 39.4 kD based on SDS PAGE. Under partially optimized conditions, purified exo-polygalacturonase showed specific activity of 98.49 U/mg protein at pH 6.0 and 30°C. The enzyme was comparatively stable from 10 to 30°C and the activity decreased with increasing temperature. Purified enzyme brought about considerable reduction in viscosity of fruit juice samples.

Objective Heart failure (HF) is an important underrecognized complication of type 2 diabetes mellitus (T2DM). Recent literature and recommendations support screening for HF among T2DM people attending the outpatient department (OPD) in non-emergency settings using a biomarker. The present study is a retrospective cross-sectional study that assesses the prevalence of screen positivity (S+) for undiagnosed HF among T2DM people (with normal electrocardiogram (ECG) and no history of heart disease) attending the OPD at a tertiary care center in India using N-terminal pro-B-type natriuretic peptide (NT-proBNP). It also highlights the risk factors for S+ for HF. Methods This is a retrospective cross-sectional study of the practice of NT-proBNP screening in T2DM to diagnose stage B HF. A total of 1,049 consecutive people with T2DM (age range: 18-75 years) attending the OPD of a tertiary care institute in India were screened for HF using NT-proBNP (cut off S+ >125 pg/mL). Demographic variables, vitals, smoking status, family history, status of hypertension, medications for diabetes, and glycemic control were recorded and correlated with the risk of S+ for HF. Results Of the 1,049 people with T2DM, 336 (32.03%) had S+ for HF. Those with S+ had higher age (62.5+9.3 vs 54.2 +10.6 years), longer duration of T2DM (14.4 +7.8 vs 9.6 +6.1 years), positive history for smoking (94 [28%] vs 55 [7.7%]) and tobacco chewing (66 [19.6%] vs 24 [3.4%]), higher blood pressures (both systolic [152.1+19.9 vs 134.6 +15 mmHg] and diastolic [87.7+9.6 vs 83.9+7.8 mmHg]), higher glycated hemoglobin (HbA1c) (8.4+1.4 vs 7.6+1 years), higher BMI (28.3+2.8 vs 27.2+2.1 kg/m ), presence of chronic kidney disease (CKD) (210 [62.5 %] vs 118 [16.5%]), and a positive family history of cardiac ailments (185 [55.1%] vs 122 [17.1%]) ( <0.05 for all). The above factors also correlated with increased chances of S+ for HF on regression analysis. Conclusion S+ for HF is common in people with T2DM attending OPDs. The S+ was associated with increasing age, longer duration of T2DM, smoking and tobacco chewing, uncontrolled hypertension and T2DM, obesity, the presence of CKD, use of pioglitazone and insulin, and positive family history. It is the need of the hour to widely extend routine screening for HF in T2DM patients using NT-proBNP in the OPD setting so that benefits of guideline-based therapy can be extended.