Like many other effectors, TEW-7197 AvrPtoB is annotated to terms in all three ontologies. Within the Biological Process Ontology, terms range from the more general such as “”GO:0009405 pathogenesis”" and “”GO:0044412 growth or development of symbiont within the host”", applicable to a wide range of virulence factors in diverse pathogens, to more specific terms such as “”GO:0052049 interaction
with host via protein secreted by type III secretion system”" that specifically identifies the Type III effectors. Figure 1 Gene Ontology annotation for the Pto DC3000 Type III effector AvrPtoB. aIndicates the nearest common parent term in the GO term hierarchy. Terms sharing the specified parent are delimited by dashed lines. bIndicates the publication supporting annotation of AvrPtoB to the specified GO term. cIndicates the nature of the evidence supporting the annotation; IDA, inferred from direct evidence; IEP, inferred from expression profile;
learn more IPI, inferred from physical interaction; IMP, inferred from mutant phenotype; ISS, inferred from sequence similarity. dIndicates the Uniprot accession number of the interacting protein, where inferred from physical evidence, or of the similar protein, where inferred from sequence similarity. eIndicates the taxon ID of the host where biological processes occurred in relation to a host organism. AvrPtoB and other P. syringae effectors play significant roles in modulating the host defense response (GO:0052031), and as part of PAMGO term development, an extensive tree of child terms was created to capture the variety of check details Loperamide processes contributing to this phenomenon. Though many of these terms are, at least for the present, used only for bacteria-plant interactions, it is critical to the utility of GO that terms be defined
using language that is meaningful across many pathosystems. The phrase “”hypersensitive response”" serves as a useful example. While this term is commonly used among plant pathologists to refer to rapid defense-associated plant cell death at the site of infection, to researchers in animal systems it can have very different allergy-related or behavioral connotations. Therefore, newly developed PAMGO terms avoid using “”hypersensitive response”" in the term name and instead use term names such as “”GO:0034053 modulation by symbiont of host defense-related programmed cell death”" to annotate such bacterial effector activity. At the same time, the previously existing GO term “”GO:0009626 hypersensitive response”" was modified at the request of PAMGO collaborators to “”plant-type hypersensitive response,”" thus clearly matching the new term name with the existing GO definition, which specified plant cells. It is important to note that an investigator searching GO terms for “”hypersensitive response”" would be pointed to both terms named above by means of the synonym field attached to each GO term.
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