PTH and tuberculosis: The remaining 8 pathways related to human disease (tuberculosis and human papillomavirus infection), metabolism (arginine and proline metabolism, photosynthesis, steroid biosynthesis, and photosynthesis - antenna proteins) environmental information processing (cell adhesion molecules (CAMs)) and organismal systems (parathyroid hormone synthesis, secretion and action) were significantly enriched in the Billing’s reservoir (Supplementary Table S3).