B15B is a specific variant of the B15 virus, which is a type of bacteriophage that infects bacteria. This virus is known for its role in genetic research and biotechnology, as it can be used to transfer genetic material into bacterial cells. Researchers study B15B to understand its structure and function, which can lead to advancements in gene therapy and molecular biology. By manipulating B15B, scientists can explore new methods for treating diseases and improving agricultural practices through genetic modifications.