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.
Some pathogenic bacteria cause disease under certain conditions, such entry through the skin via a cut, through sexual activity or an compromised immune function.Streptococcus and Staphylococcus are part of the normal skin microbiota and typically reside on healthy skin or in the nasopharangeal region. These pathogenic species are usually distinct from the usually harmless bacteria of the normal gut flora. 2  But a different strain of the same species may be pathogenic.