22 human-specific micro RNAs
Thursday, June 21st, 2007This article (from last December) has identified what it thinks are 244 new human microRNAs from human fetal brain tissue, of which 20 seem to be species-specific (see figure 1d). They also mention 2 previously-known human-specific microRNAs.
Eugene Berezikov, Fritz Thuemmler, Linda W van Laake1, Ivanela Kondova, Ronald Bontrop, Edwin Cuppen and Ronald H A Plasterk Diversity of microRNAs in human and chimpanzee brain. Nature Genetics - 38, 1375 - 1377 (2006)