Browsing Molecular Biophysics Unit (MBU) by Title
Now showing items 108-127 of 284
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Molecular Characterization of Mannose Binding Lectins
Lectins are proteins of non-immunologic origin that bind to carbohydrates with high fidelity. They constitute a large class of multivalent recognition molecules that specifically interact with their cognate sugar moieties ... -
Molecular Determinants of Mutant Phenotypes in the CcdAB Toxin -Antitoxin System
(2018-05-29)A major challenge in biology is to understand and predict the effect of mutations on protein structure, stability and function. Chapter 1 provides a general introduction on protein sequence-structure relationships and use ... -
Multi-faceted modular interactions in proteins
All living systems are composed of plethora of biomolecules. There are various types of biomolecules such as proteins, DNA, RNA, carbohydrates and metabolites. All the reactions in a biological system involve interactions ... -
Mutational sensitivity of CcdB mutants in their native operonic context
Determining the precise effects of thousands of point mutants on protein structure, stability, and activity is a challenging task. Chapter 1 introduces how next-generation sequencing technologies exploit phenotypic screens ... -
Network Heterogeneities, Intrinsic Plasticity and Decorrelation in the Dentate Gyrus
A central premise for research in neuroscience is to mechanistically decipher the physiological roles of the brain in effectuating learning and memory. The tripartite framework that is at the core of learning and memory ... -
Neuronal complex bursts and network information transfer in the hippocampus are robust to biophysical heterogeneities
Biological entities must adopt mechanisms to override the impact of external perturbations to achieve stability and robustness. A crucial feature of biological systems is that they exhibit several forms of heterogeneities ... -
Newer Insights On Structure, Function And Regulation Of Dps Protein From Mycobacterium smegmatis
(2010-12-29)The first chapter will provide an introduction to the physiology, pathogenesis and biology of mycobacteria. Host-pathogen interactions, different modes of resistance of the bacteria, adaptations for survival under nutrient ... -
NMR Solution Structures of Human γC-Crystallin & the Intrinsically Disordered Viral Genome Linked Protein in the Free & Bound Form
(2018-02-14)This thesis describes the tertiary structures and dynamic studies of two protein systems. The first is human γC -crystallin protein, which is present in the nucleus of the human eye lens and the other is the plant viral ... -
Non-repetitive Structures In Proteins : Effects Of Side-chain And Solvent Interactions With The Backbone
(Indian Institute of Science, 2006-05-12)The work presented in this thesis deals with the analysis of protein crystal structures with an emphasis on the stereochemical aspects of the folded conformation of proteins. The various analyses described have been performed ... -
On mechanisms and conformational dynamics of Drug:H+ Antiporters
Multidrug efflux is an active transport process involving energy consumption to drive antibacterial compounds out of cells. This is performed either through primary active transport, where chemical energy, such as hydrolysis ... -
Orienting Macromolecule At The Air - Water Interface : DNA-Protein Interaction On Langmuir Films
(2010-07-23)The Langmuir – Blodgett (LB) technique is about forming insoluble monolayer on the surface of aqueous solution and recently, it has emerged as one of the best method to study floating monolayer at the air – water interface. ... -
(p)ppGpp and c-di-GMP : A Tale of Two Second Messengers in Mycobacterium smegmatis
Nucleotide based second messengers are known to regulate wide variety of processes in all domains of life. Two such bacterial second messengers are (p)ppGpp (guanosine tetra- or pentaphosphate) and c-di-GMP (cyclic dimeric ... -
(p)ppGpp and Stress Response : Decoding the Key Pathways by Small Molecule Analogues Biophysical Methods and Mass Spectrometry
(2018-06-08)Under hostile conditions, bacteria elicit stress response. Such stress response is regulated by a secondary messenger called (p)ppGpp. (p)ppGpp is involved in wide range of functions such as GTP homeostasis, biofilm formation ... -
Pharmacological Modulation Of Recombinant Human Two-Pore Domain K+ Channels : Whole-Cell patch-Clamp Analysis
(2011-10-21)Background potassium currents play an important role in the regulation of the resting membrane potential and excitability of mammalian neurons. Recently cloned two- pore domain potassium channels (K2p) are believed to ... -
Physiological Interactions between Neuronal Active Conductances And Inositol Trisphosphate Receptors in Neurons and Astrocytes
(2018-07-23)Intricate interactions among constituent components are defining hallmarks of biological systems and sculpt physiology across different scales spanning gene networks to behavioural repertoires. Whereas interactions among ... -
Plasticity of Intrinsic Excitability in Fast Spiking Interneurons of the Dentate Gyrus & Its Implications for Neuronal Network Dynamics
Inhibitory GABAergic neurons, although forming a minor proportion of the neuronal population in the central nervous system, have been reported to be crucial for different physiological states of the brain. Among the vast ... -
Plasticity Paradigms: Navigating Protein Conformational Dynamics and Phenotypic Variability in Biological Systems
The complex dynamics and responses of biological systems to environmental cues are shaped by their inherent plasticity and adaptability. This biological plasticity, operational at multiple levels - ranging from the molecular ... -
Pranlukast as an Allosteric Inhibitor of M.Tuberculosis Ornithine Acetyltransferase : Implication Towards Novel Combinatorial Therapy
Tuberculosis (TB) is a deadly disease responsible for the death of approximately 1.5 million people each year, with the highest being from developing nations. Tuberculosis affects mostly the lungs, and other parts of the ...