Update on the Neisseria Macrophage Infectivity Potentiator-Like PPIase Protein

M Christodoulides - Frontiers in Cellular and Infection Microbiology, 2022 - frontiersin.org
Neisseria pathogens express a Macrophage Infectivity Potentiator Protein (MIP), which
belongs to the FK506 binding protein (FKBP) family of proteins that exhibit peptidyl-prolyl …

A bacteriophytochrome mediates interplay between light sensing and the second messenger cyclic di-GMP to control social behavior and virulence

RK Verma, A Biswas, A Kakkar, SK Lomada… - Cell Reports, 2020 - cell.com
Bacteriophytochromes are the most abundant and ubiquitous light-sensing receptors in
bacteria and are involved in time-of-day behavior or responses. However, their biological …

Modeling and monitoring the effects of three partly conserved Ile residues in the dimerization domain of a Mip-like virulence factor from Escherichia coli

S Seal, T Chakraborty, S Polley, D Paul… - Journal of …, 2024 - Taylor & Francis
FKBP22, an Escherichia coli-made peptidyl-prolyl cis-trans isomerase, has shown
considerable homology with Mip-like virulence factors. While the C-terminal domain of this …

A staphylococcal cyclophilin carries a single domain and unfolds via the formation of an intermediate that preserves cyclosporin A binding activity

S Seal, S Polley, S Sau - Plos one, 2019 - journals.plos.org
Cyclophilin (Cyp), a peptidyl-prolyl cis-trans isomerase (PPIase), acts as a virulence factor in
many bacteria including Staphylococcus aureus. The enzymatic activity of Cyp is inhibited …

Chemical and thermal unfolding of a global staphylococcal virulence regulator with a flexible C-terminal end

A Mahapa, S Mandal, A Biswas, B Jana, S Polley… - PLoS …, 2015 - journals.plos.org
SarA, a Staphylococcus aureus-specific dimeric protein, modulates the expression of
numerous proteins including various virulence factors. Interestingly, S. aureus synthesizes …

[HTML][HTML] Proline substitutions in a Mip-like peptidyl-prolyl cis-trans isomerase severely affect its structure, stability, shape and activity

S Polley, D Chakravarty, G Chakrabarti… - Biochimie open, 2015 - Elsevier
FKBP22, an Escherichia coli-specific peptidyl-prolyl cis-trans isomerase, shows substantial
homology with the Mip-like virulence factors. Mip-like proteins are homodimeric and possess …

Molecular Cloning, Purification and Characterization of Mce1R of Mycobacterium tuberculosis

D Maity, RR Katreddy, A Bandhu - Molecular biotechnology, 2021 - Springer
The mce1 operon of Mycobacterium tuberculosis, important for lipid metabolism/transport,
host cell invasion, modulation of host immune response and pathogenicity, is under the …

Dimerization ability, denaturation mechanism, and the stability of a staphylococcal phage repressor and its two domains

A Biswas, S Ghosh, D Sinha, A Dutta, S Seal… - International journal of …, 2019 - Elsevier
The lysogenic growth of phage ф11 in Staphylococcus aureus is controlled by a repressor
(CI) that harbors an N-terminal domain (NTD), and a C-terminal domain (CTD). Previously …

Alternative Sigma Factor of Staphylococcus aureus Interacts with the Cognate Antisigma Factor Primarily Using Its Domain 3

D Sinha, D Sinha, A Dutta, T Chakraborty… - Biochemistry, 2021 - ACS Publications
σB, an alternative sigma factor, is usually employed to tackle the general stress response in
Staphylococcus aureus and other Gram-positive bacteria. This protein, involved in S. aureus …

Removal of an atypical region from a staphylococcal cyclophilin affects its structure, function, stability, and shape

S Seal, N Chowdhury, R Biswas, T Chakraborty… - International journal of …, 2020 - Elsevier
SaCyp, a cyclophilin having 197 amino acid residues, acts both as a protein-folding catalyst
and a virulence factor in Staphylococcus aureus. Interestingly, a region, homologous to the …