Animals Gnotophores

Gnotophorous animals are animals that do not have genetic or immunological characteristics that may affect their behavior or physiology. They were created by removing the genes that are normally responsible for producing these characteristics.

Gnotophoran animals were first described in the 1950s and have been used to study various aspects of animal physiology and behavior. They allow scientists to study the processes that occur in the body of animals without the influence of genetic factors or immunity.

One of the most famous examples of gnotophoran animals is the mouse without an immune system (nu/nu), which was created by deleting the gene responsible for the formation of the immune system. Mice without an immune system have a shorter life cycle and higher mortality, but they are also ideal subjects for studying processes associated with immune diseases.

Another example of a gnotophoran animal is the odorless mouse, which was created by deleting the olfactory receptor gene. These mice cannot smell and are used to study olfactory function.

In addition, gnotophoran animals are also used in medical research to test new drugs and treatments. For example, mice without immune systems are used to test vaccines and drugs that can induce an immune response in healthy mice.

Overall, gnotophoran animals are an important tool for studying animal physiology and behavior, as well as for testing new treatments and diagnosis of diseases.