species studies Human 19 Mouse 14 Rat 4 Cow 2 Maize 2 Chickpea 1 Chili pepper 1 Common bean 1 Gardenerella vaginalis 1 Garlic 1 Lactobacillus crispatus 1 Lactobacillus iners 1 Lettuce 1 Olive 1 Onion 1 Peach 1 Pear 1 Potato 1 Sheep 1 Soybean 1 Spinach 1 Strawberry 1 Apple 1 Tomato 1 Banana 1 Basil 1 Beet 1 Carrot 1