species studies Human 113 Mouse 63 Rat 20 Cow 3 Dog 2 Dungeness crab 2 Bacteroides thetaiotaomicron 2 Plasmodium falciparum 2 Fruit fly 1 Fusobacterium nucleatum 1 Garlic 1 Lettuce 1 Mosquito 1 Mycoplasma mycoides 1 Pig 1 Rabbit 1 Sheep 1 Strawberry 1 Streptococcus 1 Synechococcus 1 Tomato 1 Apple 1 Veillonella parvula 1 Bacteria 1 Bacteroides ovatus 1 Basil 1 Bifidobacteria 1 Clostridium 1 Eggerthella lenta 1 Escherichia coli 1