- Tuberculosis Research and Epidemiology
- Pneumocystis jirovecii pneumonia detection and treatment
- Genomics and Phylogenetic Studies
- Pneumonia and Respiratory Infections
- Amino Acid Enzymes and Metabolism
- Photosynthetic Processes and Mechanisms
- Vibrio bacteria research studies
- Arsenic contamination and mitigation
- Biochemical Acid Research Studies
- Diverticular Disease and Complications
- Wheat and Barley Genetics and Pathology
- Infections and bacterial resistance
- Microbial Applications in Construction Materials
- CRISPR and Genetic Engineering
- Polyamine Metabolism and Applications
- Mycobacterium research and diagnosis
- Plant pathogens and resistance mechanisms
- Appendicitis Diagnosis and Management
- Intraperitoneal and Appendiceal Malignancies
- Gastrointestinal Bleeding Diagnosis and Treatment
- Yersinia bacterium, plague, ectoparasites research
- Plant Stress Responses and Tolerance
- Nail Diseases and Treatments
- Aquaculture Nutrition and Growth
- Plant Gene Expression Analysis
University of Dhaka
2005-2025
Damien Foundation
2013-2022
Bangladesh Rice Research Institute
2012-2018
Purdue University West Lafayette
1994-1996
The University of Adelaide
1991
University Hospital of North Durham
1986
Kyoto University
1984-1985
Kyoto Bunkyo University
1985
The primary reaction product of chloroplast ascorbate peroxidase activity was shown to be monodehydroascorbate radical (MDA). MDA reductase (EC 1.6.5.4) localized in spinach stroma. chloroplasts, using NAD(P)H as electron donor, could account for the regeneration from produced by activity. In absence reductase, disproportionated (AsA) and dehydroascorbate (DHA). DHA reduced AsA 1.8.5.1) chloroplasts. Both NADH NADPH served donor partially purified leaves.
The rapid diagnosis of rifampin resistance is hampered by a reported insufficient specificity molecular techniques for detection rpoB mutations. Our objective this study was to document the prevalence and prognostic value mutations with unclear phenotypic resistance. design entailed sequencing directly from sputum first failure or relapse patients without selection comparison standard retreatment regimen outcome, according mutation present. We found that among all mutations, best-documented...
Journal Article Purification of Dehydroascorbate Reductase from Spinach and Its Characterization as a Thiol Enzyme Get access M. Anwar Hossain, Hossain The Research Institute for Food Science, Kyoto UniversityUji, 611, Japan Search other works by this author on: Oxford Academic Google Scholar Kozi Asada Plant Cell Physiology, Volume 25, Issue 1, January 1984, Pages 85–92, https://doi.org/10.1093/oxfordjournals.pcp.a076700 Published: 01 1984 history Received: 05 August 1983 Accepted: 26 October
Dark addition of hydrogen peroxide to intact spinach chloroplasts resulted in the inactivation ascorbate peroxidase accompanied by a decrease contents. This was also case reconstituted containing ascorbate, NADP+, NAD+ and ferredoxin. The during light, however, showed little effect on contents activity either or chloroplasts. In contrast peroxidase, enzymes participating regeneration (monodehydroascorbate reductase, dehydroascorbate reductase glutathione reductase) were not affected dark...
Monodehydroascorbate reductase (EC 1.6.5.4) was purified from cucumber fruit to a homogeneous state as judged by polyacrylamide gel electrophoresis.The monodehydroascorbate monomer with molecular weight of 47,000.It contained 1 mol FAD/mol enzyme which reduced NAD(P)H and reoxidized monodehydroascorbate.The had an exposed thiol group whose blockage reagents inhibited the electron transfer FAD.Both NADH NADPH served donors K , values 4.6 23 FM, respectively, V 200 150 oxidized enzyme-'...
The pathogenic strains of Vibrio cholerae that cause acute enteric infections in humans are derived from environmental nonpathogenic strains. To track the evolution V. and identify potential precursors new strains, we analyzed 324 or clinical isolates for presence diverse genes involved virulence ecological fitness. Of 251 non-O1, non-O139 tested, 10 (3.9%) carried toxin coregulated pilus (TCP) pathogenicity island encoding TCPs, CTX prophage cholera toxin, whereas another TCP alone, were...
Yersinia enterocolitica are ubiquitous, being isolated frequently from soil, water, animals, and a variety of foods. They comprise biochemically heterogeneous group that can survive grow at refrigeration temperatures. The ability to propagate temperatures is considerable significance in food hygiene. Virulent strains invade mammalian cells such as HeLa tissue culture. Two chromosomal genes, inv ail, were identified for cell invasion mammalian. pathogen cause diarrhoea, appendicitis...
The research aimed to evaluate the effects of hormones and callus age on in vitro regeneration as well seeking establish a reliable effective plant protocol for rice varieties BRRI dhan92 dhan96. Mature seeds were used initiate induction using MS media containing 2 mg/L 2,4-D. For process, calli transferred medium supplemented with different hormone combinations: H1 (2 BAP + 1 NAA Kinetin), H2 (4 0.5 1.2 H3 (1 Kinetin). Significant variations observed response between varieties....
The chloroplastic isoform of monodehydroascorbate (MDA) radical reductase was purified from spinach chloroplasts and leaves. cDNA MDA cloned, its deduced amino acid sequence, consisting 497 residues, showed high homology with those putative organellar reductases cDNAs several plants. sequence the terminal enzyme suggested that has a transit peptide 53 residues. A southern blot analysis occurrence gene encoding another homologous to in spinach. recombinant highly expressed Eschericia coli...
Proteome-centric studies, although have identified numerous lncRNA-encoded polypeptides, lack differential expression analysis of lncRNA-peptidome across primary tissues, cell lines and cancer states. We established a computational-proteogenomic workflow involving re-processing publicly available LC-MS/MS data, which facilitated the identification tissue-specific universally expressed (UExp) lncRNA-polypeptides 14 human tissues 11 lines. The utility as cancer-biomarkers was investigated by...
Background Meta-analyses on impact of isoniazid-resistant tuberculosis informed the World Health Organization recommendation a levofloxacin-strengthened rifampicin-based regimen. We estimated effect initial rifampicin resistance (Rr) and/or isoniazid (Hr) treatment failure or relapse. also determined frequency missed and acquired Rr to estimate true Hr. Methods Retrospective analysis 7291 episodes with known status obtained from individual patient databases maintained by Damien Foundation...
Presence of Vibrio spp., one the deadliest fish and shrimp pathogens in aquaculture facilities worldwide for which hatchery owners often suffer hectic economic losses, were identified tilapia hatcheries Cox’s Bazar Mymensingh, Bangladesh. Thirty seven isolates, selected on basis their morphological dissimilarities thiosulphate citrate bile salt sucrose agar (TCBS) plate, subjected to amplified 16S ribosomal DNA restriction analysis (ARDRA) by using AluI enzyme following extraction...
ABSTRACT We report the draft genome of an arsenotrophic Achromobacter aegrifaciens BAS32 isolated from arsenic (As)-contaminated soil in Bangladesh. This contains several predicted gene clusters for As-conversion, namely, As resistance ( ars HCsO), arsenite-oxidizing aio BA), and arsenate-reducing RCDAB) along with antibiotic genes (ARGs).
ABSTRACT We report the draft genome of Achromobacter aegrifaciens strain BAW48, a bacterium with size 6,877,653 bp. This comprises gene clusters for arsenic conversion, such as resistance ( arsHCsO ), arsenite oxidation aioBA and arsenate reduction arsRCDAB along genes heavy metal antibiotic resistance.
Arsenic (As), found in diverse ecosystems, poses major public health risks various parts of the world. Arsenotrophic bacteria contaminated environments help reduce toxicity by converting arsenite (AsIII) to less harmful arsenate (AsV). We assumed that Achromobacter aegrifaciens strains from As-contaminated tubewell water and soil would share similar genomic characteristics associated with arsenic detoxification bioremediation. To investigate this, we employed both culture-dependent...
Since a meta-analysis showed little or no effect of second-line injectables on treatment success, and using may induce ototoxicity, injectable-free rifampicin-resistant tuberculosis (RR-TB) regimens are recommended. However, acquired resistance preventing activity was overlooked. No previous study assessed the shortening duration kanamycin administration to 2 months during intensive phase RR-TB shorter regimen (STR).Retrospective cohort instead standard 4(+) (extension if lack smear...