PCA based on common plant miRNAs from humans and six types of plant show that samples from plants could be clustered into three subgroups while most human samples were separated from plant samples, especially ath and aly samples.

<p>PCA based on common plant miRNAs from humans and six types of plant show that samples from plants could be clustered into three subgroups while most human samples were separated from plant samples, especially ath and aly samples.