Article
Microbiology
Christophe Le Terrier, Patrice Nordmann, Maxime Bouvier, Laurent Poirel
Summary: This study evaluated the impact of beta-lactamases on the susceptibility to oral penems/carbapenems and other carbapenem molecules. The results showed that tebipenem and sulopenem had a similar activity spectrum in Escherichia coli and exhibited lower MIC values against beta-lactamase-producing strains.
ANTIMICROBIAL AGENTS AND CHEMOTHERAPY
(2023)
Article
Pharmacology & Pharmacy
Shashikant Srivastava, Tania Thomas, Dave Howe, Lesibana Malinga, Prithvi Raj, Jan-Willem Alffenaar, Tawanda Gumbo
Summary: The study showed that cefdinir has potential efficacy against both drug-susceptible and multi-drug resistant tuberculosis, with the ability to kill Mtb strains in both in vitro and pre-clinical models. The pharmacokinetic/pharmacodynamic index AUC(0-24)/MIC of 578.86 was identified as the optimal exposure for sterilizing efficacy. Further clinical validation of these findings is needed.
FRONTIERS IN PHARMACOLOGY
(2021)
Article
Chemistry, Multidisciplinary
Malcolm S. Cole, Michael D. Howe, Joseph A. Buonomo, Sachin Sharma, Elise A. Lamont, Scott Brody, Neeraj K. Mishra, Yusuke Minato, Joshua M. Thiede, Anthony D. Baughn, Courtney C. Aldrich
Summary: The research team has developed novel drugs that exploit beta-lactamase activity to selectively release active TB drugs. These drugs exhibit selective activity against M. tuberculosis and related mycobacteria, with retained or even enhanced activity in multiple resistant strains and models.
CHEMISTRY-A EUROPEAN JOURNAL
(2022)
Article
Microbiology
Liam A. Wilson, Esmee G. Knaven, Marc T. Morris, Marcelo Monteiro Pedroso, Christopher J. Schofield, Thomas B. Brueck, Mikael Boden, David W. Waite, Philip Hugenholtz, Luke Guddat, Gerhard Schenk
Summary: The study investigates a fourth variant of metallo-beta-lactamase, SIE-1, which shows higher activity towards cephalosporins. The unusual preference of SIE-1 for cephalosporins and its presence in a widespread environmental organism suggest the potential for increased MBL-mediated beta-lactam resistance. Including SIE-1 in MBL inhibitor design studies could expand the therapeutic scope of much needed antiresistance drugs.
ANTIMICROBIAL AGENTS AND CHEMOTHERAPY
(2021)
Article
Infectious Diseases
Ernest Adankwah, Norman Nausch, Difery Minadzi, Mohammed K. Abass, Kees L. M. C. Franken, Tom H. M. Ottenhoff, Ertan Mayatepek, Richard O. Phillips, Marc Jacobsen
Summary: IL-6 showed the highest sensitivity for detecting tuberculosis patients and asymptomatic contacts. Latency-associated antigens Rv2628 and Rv1733 increased concentrations of IFN gamma, IP-10, and IL-22 in asymptomatic contacts. The combination of IFN gamma induced by Rv2628/Rv1733 and IL-6 induced by IGRA-antigen was optimal for classifying tuberculosis patients and asymptomatic contacts.
JOURNAL OF INFECTION
(2021)
Article
Biochemistry & Molecular Biology
Ingie Elchennawi, Philippe Carpentier, Christelle Caux, Marine Ponge, Sandrine Ollagnier de Choudens
Summary: Iron-sulfur (Fe-S) clusters are essential for cellular pathways and require proteins to mobilize sulfur and iron for their assembly. The SUF system in Mycobacterium tuberculosis is the primary Fe-S biogenesis system and a potential target for fighting tuberculosis. In this study, two proteins of the Mtb SUF system, Rv1464(sufS) and Rv1465(sufU), were characterized and their interaction and activities in Fe-S biogenesis were investigated.
Article
Biochemistry & Molecular Biology
Lisandro J. Gonzalez, Guillermo Bahr, Mariano M. Gonzalez, Robert A. Bonomo, Alejandro J. Vila
Summary: Protein stability is crucial for biological function. This study reveals that the metallo-beta-lactamase New Delhi MBL-1 (NDM-1) is unstable in the absence of metal, but has evolved biochemical traits to optimize its stability inside cells. Zn(II) binding and membrane anchoring protect NDM-1 from degradation by cellular proteases. NDM variants accumulate substitutions at the C terminus that enhance their stability. This research highlights the importance of cellular protein homeostasis and its connection with antibiotic resistance.
NATURE CHEMICAL BIOLOGY
(2023)
Review
Immunology
Haotian Bo, Ulrich Aymard Ekomi Moure, Yuanmiao Yang, Jun Pan, Li Li, Miao Wang, Xiaoxue Ke, Hongjuan Cui
Summary: Mycobacterium tuberculosis (Mtb), the causative agent of TB, interacts with macrophages in the lungs, subverting the host immune system and causing infection. This review examines Mtb effectors that interact with macrophages and how macrophages control and eliminate Mtb, as well as how Mtb manipulates macrophage defense mechanisms for its own survival. Understanding these mechanisms is crucial for TB prevention, diagnosis, and treatment.
FRONTIERS IN CELLULAR AND INFECTION MICROBIOLOGY
(2023)
Article
Microbiology
Alaa R. M. Sayed, Nirav R. Shah, Kari B. Basso, Manasi Kamat, Yuanyuan Jiao, Bartolome Moya, Dhruvitkumar S. Sutaria, Yinzhi Lang, Xun Tao, Weiguo Liu, Eunjeong Shin, Jieqiang Zhou, Carolin Werkman, Arnold Louie, George L. Drusano, Jurgen B. Bulitta
Summary: There is no standard regimen for the treatment of M. abscessus infections, and the multitude of combinations that have been used clinically have had low success rates and high rates of toxicities. However, research has found that combination therapy with beta-lactam antibiotics may improve treatment outcomes and minimize toxicity in M. abscessus infections.
ANTIMICROBIAL AGENTS AND CHEMOTHERAPY
(2021)
Article
Multidisciplinary Sciences
Ilona van Alen, Mayra A. Aguirre Garcia, Janneke J. Maaskant, Coenraad P. Kuijl, Wilbert Bitter, Annemarie H. Meijer, Marcellus Ubbink
Summary: This study tested the activity of variants of the beta-lactamase enzyme BlaC from Mycobacterium tuberculosis under more physiological conditions and investigated their effectiveness in combination therapy with antibiotics and inhibitors using a zebrafish infection model. The results suggest that the zebrafish host is less sensitive to the combinatorial therapy, which is important for the future development of combination therapies to treat tuberculosis.
SCIENTIFIC REPORTS
(2023)
Article
Chemistry, Medicinal
Sara Consalvi, Giulia Venditti, Junhao Zhu, Helena Boshoff, Kriti Arora, Alessandro De Logu, Thomas R. Ioerger, Eric J. Rubin, Mariangela Biava, Giovanna Poce
Summary: A new class of anthranilate-like compounds demonstrated good antimycobacterial activity and low cytotoxicity, showing potential as inhibitors of tryptophan biosynthesis.
EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY
(2021)
Article
Microbiology
Elin Economou Lundeberg, Viktoria Andersson, Maria Wijkander, Ramona Groenheit, Mikael Mansjo, Jim Werngren, Teresa Cortes, Ivan Barilar, Stefan Niemann, Matthias Merker, Claudio U. Koser, Lina Davies Forsman
Summary: The study found that tebipenem-clavulanic acid showed better in vitro activity in treating drug-resistant tuberculosis compared to meropenem-vaborbactam. This raises the potential for an all-oral treatment option. However, further clinical studies are needed to determine whether the better in vitro activity translates to greater clinical efficacy compared to the currently WHO-endorsed meropenem-clavulanic acid.
MICROBIOLOGY SPECTRUM
(2023)
Article
Microbiology
Elin Economou Lundeberg, Viktoria Andersson, Maria Wijkander, Ramona Groenheit, Mikael Mansjo, Jim Werngren, Teresa Cortes, Ivan Barilar, Stefan Niemann, Matthias Merker, Claudio U. Koser, Lina Davies Forsman
Summary: The in vitro activities of different carbapenem combinations were examined against drug-resistant tuberculosis, and tebipenem-clavulanic acid showed the best activity, potentially providing an all-oral treatment option. Clinical studies are needed to confirm the clinical efficacy of tebipenem-clavulanic acid compared with the currently endorsed meropenem-clavulanic acid.
MICROBIOLOGY SPECTRUM
(2023)
Review
Biochemistry & Molecular Biology
Elsa Anes, David Pires, Manoj Mandal, Jose Miguel Azevedo-Pereira
Summary: Mycobacterium tuberculosis (Mtb), the causative agent of tuberculosis, has developed a unique strategy to establish infection and transmission by utilizing host macrophages to establish intracellular niches and induce long-term latency in granulomas. It eventually escapes from macrophages through necrotic cell death and triggers a strong inflammatory response, which is necessary for the progression from latency to active disease and transmission.
Article
Immunology
Rishabh Anand Omar, Nishith Verma, Pankaj Kumar Arora
Summary: This study proposed a stable and reusable immunosensor for early tuberculosis diagnosis based on the detection and quantification of ESAT-6 via cyclic voltammetry. The physicochemical characterization of prepared materials was conducted using various analytical techniques, and electro-conductive PANI was successfully demonstrated as a polymeric substrate for Ni nanoparticles and rGO. The immunosensor showed a linear response towards ESAT-6 during CV measurements with a lower detection limit of approximately 1.0 ng mL(-1).
FRONTIERS IN IMMUNOLOGY
(2021)
Article
Biochemistry & Molecular Biology
Divya Bandekar, Swati Mohapatra, Mousumi Hazra, Saugata Hazra, Sumit Biswas
Summary: The study identifies the important role of VC0395_0300 protein in regulating the virulence, biofilm formation, and motility of Vibrio cholerae. The truncation of protein structure retains diguanylate cyclase activity and basic structural elements without significant changes. This suggests that DGC activity in GGDEF proteins is mainly dependent on the conserved domain interactions and their functionality with GTP.
BIOPHYSICAL CHEMISTRY
(2021)
Review
Engineering, Biomedical
Indu Yadav, Shiv Dutt Purohit, Hemant Singh, Sakchi Bhushan, Manoj Kumar Yadav, Thirumurthy Velpandian, Rohan Chawla, Saugata Hazra, Narayan Chandra Mishra
Summary: Vitreous humor is a complex transparent gel in the eye that is removed during ocular surgery and requires a substitute to provide pressure. Despite various substitutes developed worldwide, there is no ideal vitreous substitute available to date.
JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART B-APPLIED BIOMATERIALS
(2021)
Article
Biochemistry & Molecular Biology
Sourya Bhattacharya, Aditya K. Padhi, Vivek Junghare, Neeladrisingha Das, Debashish Ghosh, Partha Roy, Kam Y. J. Zhang, Saugata Hazra
Summary: This study evaluated the inhibitory potential of various beta-lactamase inhibitors against Bla1, a class-A betalactamase encoded by Bacillus anthracis. Tazobactam and Avibactam were identified as good inhibitors with better inhibition efficiency. Molecular dynamics simulations were carried out to understand the dynamics and stability of Bla1-inhibitor complexes. The study helps in comprehending the catalytic divergence of betalactamases and developing new generation therapeutics less prone to antimicrobial resistance.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2021)
Article
Chemistry, Inorganic & Nuclear
Niladri Biswas, Sandeepta Saha, Barun Kumar Biswas, Manas Chowdhury, Ashikur Rahaman, Vivek Junghare, Swati Mohapatra, Saugata Hazra, Ennio Zangrando, Ruma Roy Choudhury, Chirantan Roy Choudhury
Summary: In this study, a novel monomeric copper(II) benzhydrazone complex was synthesized and characterized by various methods. The complex showed potential DNA-binding and protein-binding abilities, as well as promising anticancer activity which was supported by in vitro cytotoxicity assays.
JOURNAL OF COORDINATION CHEMISTRY
(2021)
Article
Biotechnology & Applied Microbiology
Sourya Bhattacharya, Abhilek K. Nautiyal, Rajanya Bhattacharjee, Aditya K. Padhi, Vivek Junghare, Muskaan Bhambri, Diptarka Dasgupta, Kam Y. J. Zhang, Debasish Ghosh, Saugata Hazra
Summary: Functionalizing C-H bond remains a significant challenge for chemists due to limited substrate-specific synthetic routes. This study characterized a novel cytochrome P450 from Bacillus aryabhattai (CYP-BA) through interdisciplinary approaches, laying the groundwork for expanding its substrate range.
ENZYME AND MICROBIAL TECHNOLOGY
(2021)
Article
Chemistry, Medicinal
Sudip Gorai, Vivek Junghare, Kshama Kundu, Sowmomita Gharui, Mukesh Kumar, Birija Sankar Patro, Sandip K. Nayak, Saugata Hazra, Soumyaditya Mula
Summary: This study explores the potential of fused flavonoids as inhibitors of the 3-chymotrypsin-like cysteine protease (3CLpro) of the novel coronavirus. Structural bioinformatics analysis suggests that the synthesized compounds have excellent potential compared to a validated inhibitor. In-silico ADMET studies show that the compounds have high druggability and low toxicity. Molecular dynamic analysis reveals the change in dynamics upon compound binding.
Article
Agriculture, Multidisciplinary
Gazal Kalyan, Vivek Junghare, Mohammad Farhan Khan, Shivam Pal, Sourya Bhattacharya, Snigdha Guha, Kaustav Majumder, Sohom Chakrabarty, Saugata Hazra
Summary: The newly developed web server utilizes machine learning and structural bioinformatics to identify ACE-I inhibitory peptides from food sources through in silico digestion and screening of peptides, potentially enhancing efficiency and reducing cost.
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
(2021)
Article
Biochemistry & Molecular Biology
Vivek Junghare, Rani Alex, Apoorva Baidya, Manish Paul, Rafeeque R. Alyethodi, Gyenaendra Singh Sengar, Sushil Kumar, Umesh Singh, Rajib Deb, Saugata Hazra
Summary: The study compared the molecular and structural variations of the OAS1 gene in Sahiwal and Frieswal cattle, revealing that Sahiwal cattle exhibited better stability and binding ability with ligands in structural alignment. This indicates that OAS1 protein has the potential to explain the innate immune response in Sahiwal cattle compared to Frieswal cattle.
JOURNAL OF BIOMOLECULAR STRUCTURE & DYNAMICS
(2022)
Article
Microbiology
Subhasree Roy, Vivek Junghare, Shanta Dutta, Saugata Hazra, Sulagna Basu
Summary: Resistance-nodulation-division-type efflux system AdeABC plays a crucial role in carbapenem resistance among Acinetobacter baumannii. This study investigates the role of its regulator AdeRS in carbapenem-resistant A. baumannii (CRAB) and explores the interaction of carbapenems and pump inhibitor PA beta N with the AdeB structure. The study identifies AdeRS mutations associated with overexpression of AdeABC and provides insights into the atomic level causes of pump inhibition, facilitating the discovery of novel inhibitors.
Correction
Agricultural Engineering
Ayan Banerjee, Tripti Sharma, Abhilek K. Nautiyal, Diptarka Dasgupta, Saugata Hazra, Thallada Bhaskar, Debashish Ghosh
BIORESOURCE TECHNOLOGY
(2022)
Correction
Agricultural Engineering
Neha Bansal, Diptarka Dasgupta, Saugata Hazra, Thallada Bhaskar, Anjan Ray, Debashish Ghosh
BIORESOURCE TECHNOLOGY
(2022)
Article
Environmental Sciences
Gireesh Kumar Shroti, Preeti Tomer, Saugata Hazra
Summary: The massive water consumption by the beverage industry leads to significant wastewater discharge, which contains unused sugar and is highly alkaline. The objective of this study is to produce a green plastic, polyhydroxyalkanoate (PHA), from beverage industrial wastewater and control water pollution by consuming residual sugar and reducing the pH. An isolated organism HLI13B (Priestia filamentosa) has the ability to accumulate PHA and grow in highly alkaline conditions. Beverage industrial wastewater with 4.65 g/L sugar and pH 11 was used to culture HLI13B for biomass production, resulting in a reduction in pH and a polymer yield of 1.38 g/L. The extracted polymer showed identical properties to the one produced using standard glucose. The treated water and wastewater were validated for agricultural use, showing a reduced growth effect on chickpea plants.
WATER AIR AND SOIL POLLUTION
(2023)
Article
Cardiac & Cardiovascular Systems
Pavel Zhabyeyev, Brent McLean, Wesam Bassiouni, Robert Valencia, Manish Paul, Ahmed M. Darwesh, John M. Seubert, Saugata Hazra, Gavin Y. Oudit
Summary: Lack of PI3K & alpha; can protect against myocardial ischemia-reperfusion injury by improving mitochondrial structure and function through the regulation of Na+ and Ca2+ levels. Enhancing mitochondrial function could be a potential therapeutic strategy for mitigating ischemia-reperfusion injury.
JOURNAL OF THE AMERICAN HEART ASSOCIATION
(2023)
Article
Agricultural Engineering
Manish Paul, Niteesh Kumar Pandey, Ayan Banerjee, Gireesh Kumar Shroti, Preeti Tomer, Rajesh Kumar Gazara, Hrudayanath Thatoi, Thallada Bhaskar, Saugata Hazra, Debashish Ghosh
Summary: This review focuses on the research progress of lignin-degrading microorganisms and enzymes associated with ligninolytic activity, which play a crucial role in the breakdown of lignocellulosic biomass. Analyzing multi-omics data highlights the potential value of fungal-produced enzymes in lignocellulosic material degradation, giving them an advantage in their ecological niches.
BIORESOURCE TECHNOLOGY
(2023)
Article
Green & Sustainable Science & Technology
Preeti Tomer, Gireesh Kumar Shroti, Swati Mohapatra, Debashish Ghosh, Satish Jaiswal, Deepa Garg, Debrupa Lahiri, Navin Kumar, Om P. Khatri, Saugata Hazra
Summary: The increasing demand for biodegradable polymers in orthopedic applications has potential for temporary implants. This study focuses on the production and evaluation of PHB using a bacterial isolate and sugarcane trash hydrolysate. The addition of HA improves the bioactivity of PHB, but affects its mechanical properties. In vitro evaluation shows enhanced apatite formation and degradation resistance of the PHB/HA composite.
ENVIRONMENT DEVELOPMENT AND SUSTAINABILITY
(2023)