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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 ...
Unravelling the functional role of Arf-like GTPases 14 and 15 in mammalian cells
Small G-proteins of Arf-like (Arl) GTPase subfamily are shown to regulate several cellular processes including intracellular trafficking, cytoskeletal organization, organelle biogenesis, cell adhesion and migration. Around ...
Diversity and distribution of mixed-species foraging groups in the Lakshadweep Islands, India
Species interactions are known to shape biological communities. While antagonistic interactions like competition and predation are well known, cooperative interactions have received comparatively less attention. Mixed-species ...
Robustness of Neural Activity Dynamics in the Medial Entorhinal Cortex
Biological systems exhibit considerable heterogeneity in their constitutive components and encounter stochasticity across all scales of analysis. Therefore, central questions that span all biological systems are: (a) How ...
Insights into the conformational stability & pharmacology of peptides through side chain and backbone modification
The first part of the work presented in the thesis deals with CH-pi interaction, which is a lesser-known non-covalent interaction in proteins. We identified several CH-pi donor-acceptor pairs involving amino acids side ...
Differential DNA methylation patterns in primary and recurrent glioblastomas : Protumorigenic roles of Tumor Endothelial Marker 8 (TEM8) and ASAP1 genes
Glioblastomas (GBMs) are clinically aggressive malignant brain tumors in adults with a median survival of 14 months on diagnosis. Therapeutic interventions such as debulking surgeries, chemotherapy, and ionizing radiation, ...
Glycobiological Regulation of Breast Cancer Invasion
Invasiveness of cancer is the predominant reason behind mortality associated with the disease. Although long under active investigation, fundamental aspects of the early steps of cancer invasion and metastasis are still ...
Diversity from the Gut to Species: Phylogeny, Population genetics and Microbiome of the Antilope cervicapra
Evolutionary relationships between members of the Antilopina taxon have been much debated in recent years. The ‘true antelope’ clade is currently comprised of 4 genera viz., Gazella, Nanger, Eudorcas and the monotypic genus ...
Understanding the role of arginine clusters in β-hairpin antimicrobial peptides
The work described in this thesis describes the role of arginine clusters and the
importance of their position in B-hairpin antimicrobial peptides. Here, we have
tried to explore the role of guanidinium groups in the ...
Role of Escherichia coli UvrD helicase in resolving G-quadruplex DNA structures
G-quadruplex (G4) secondary structures have been implicated in various biological processes,
including gene expression, DNA replication and telomere maintenance. However,
unresolved G4 structures impede replication ...