Anisha Zaveri

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cAMPhor: In the presence of cAMP, cAMPhor folds into a structure that binds DFHBI (green), increasing its fluorescence, while Alexa 647 (red) functions as a normalizing dye. It can thus be used to spatially image cAMP quantitatively in membrane-bound compartments.
All organisms have the capacity to sense and respond to environmental changes. These signals often involve the use of second messengers such as cyclic adenosine monophosphate (cAMP). This second messenger is widely distributed among organisms and coordinates gene expression related with pathogenesis, virulence, and environmental adaptation. Genomic analysis(More)
An adenylyl cyclase from Mycobacterium avium, Ma1120, is a functional orthologue of a pseudogene Rv1120c from Mycobacterium tuberculosis. We report the crystal structure of Ma1120 in a monomeric form and its truncated construct as a dimer. Ma1120 exists as a monomer in solution and crystallized as a monomer in the absence of substrate or inhibitor. An(More)
The cyclic AMP receptor protein (CRP) family of transcription factors consists of global regulators of bacterial gene expression. Here, we identify two paralogous CRPs in the genome of Mycobacterium smegmatis that have 78% identical sequences and characterize them biochemically and functionally. The two proteins (MSMEG_0539 and MSMEG_6189) show differences(More)
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