As with the series' parent show Wallace and Gromit, there are many allusions to other aspects of popular culture and movies such as Star Wars, The Lion King, E.T.: The Extra-Terrestrial, The Matrix, and Pulp Fiction. 1  These include: 2  Shirley's training in the episode Shape Up with Shaun is based on the film Rocky.
Many pathogenic bacteria exist in nature as multiple antigenic types or serotypes, meaning that they are variant strains of the same pathogenic species. For example, there are multiple serotypes of Salmonella typhimurium based on differences in cell wall (O) antigens or flagellar (H) antigens.any pathogenic bacteria exist in nature as multiple antigenic types or serotypes, meaning that they are variant strains of the same pathogenic species. For example, there are multiple serotypes of Salmonella typhimurium based on differences in cell wall (O) antigens or flagellar (H) antigens.
An agent causing disease or illness to its host, such as an organism or infectious particle capable of producing a disease in another organism. Pathogens are mostly microscopic, such as bacteria, viruses, protozoa, and fungi, thriving in various places such as air, dust, surfaces, soil, etc. Not all bacteria are pathogens, in fact most of them are harmless and only a few are pathogenic. Examples of pathogenic bacteria are Mycobacterium tuberculosis (causing tuberculosis), Streptococcus penumoniae (causing pneumonia), Shigella, Campylobacter and Salmonella (causing foodborne illnesses). Examples of diseases caused by pathogenic viruses are smallpox, influenza, mumps, measles, chickenpox and rubella. Word origin: from Greek pathos, suffering/emotion, and gene, to give birth to. Related forms: pathogenic (adjective), pathogenesis (noun), pathogenous (adjective), pathogeny (noun).