TABLE 2.

A search on pubmed (https://www.ncbi.nlm.nih.gov/pubmed/) using “PPIs” and the name of the organism resulted in X publications, while a search on the Biological General Repository for Interaction Datasets (https://wiki.thebiogrid.org/doku.php/statistics) shows how many PPIs are curated.

Searched keywords on PubMed	Results PubMed search	Non-redundant PPIs in BioGRID November 2018 (Chatr-Aryamontri et al., 2017)
Protein-protein interactions C. albicans	27 publications	611
Protein-protein interactions S. pombe	106 publications	9575
Protein-protein interactions S. cerevisiae	1714 publications	109 759
Protein-protein interactions E. coli	1740 publications	12 801
Protein-protein interactions A. thaliana	642 publications	35 897