Can you give the names of good bacteria and why they are good for us?

Lcatobacillus acidophilus is a bacteria used to make milk turn to yogurt Saccharonyces cerevisiae yeast Streptomyces ised to make an antinoitic 2 treat infection Pseudomas putida 1 of many bacteria used for cleanig watse from sewers e coli used to help u digest food everyday mycorrhizas used 2 hepl crop 2 take nutrients from soil