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. 2016 May 6;8:17. doi: 10.1186/s13099-016-0099-z

Fig. 1.

Fig. 1

Heatmap showing the detection pattern of various genera in the gut microbiomes of individuals belonging to various nationalities. Two distinct clusters have been identified. The first group contains all the European nationalities along with the American samples. The second group contains the gut microbiomes of the Asian populations (Chinese, Japanese and Indians). Red color signifies that the genus is either absent or present in low abundance, whereas the green color signifies that it is highly abundant