Somatic hypermutation (SHM) of immunoglobulin variable (V) regions modulates antibody-antigen affinity is initiated by activation-induced cytidine deaminase (AID) on single-stranded DNA (ssDNA).

This important study provides evidence for asymptomatic Bordetella pertussis carriage among mothers in a longitudinal cohort in Zambia, significantly advancing understanding of transmission dynamics.

In the above circuit diagram, you can clearly see the complete layout. The generated sine wave (carrier wave) is fed into the base of the transistor with the help of a coupling capacitor. The base is ...

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