species studies Human 45 Mouse 30 Plasmodium falciparum 11 Cow 4 Arabidopsis thaliana 3 Tomato 3 Dog 3 Barley 3 Trypanosoma brucei 2 Cat 2 Apple 2 Auxenochlorella 2 Basil 2 Garlic 2 Rat 2 Bacillus subtilis 2 Strawberry 2 Lettuce 2 Onion 1 Peach 1 Pear 1 Pig 1 Potato 1 Rice 1 Soybean 1 Spinach 1 Synechococcus elongatus 1 Vine 1 Yeast 1 Zebrafish 1