Nitrate/ammonium-responsive microRNA-mRNA regulatory networks affect root system architecture in Populus × canescens

Table 1 Number of identified known and novel miRNAs in P. × canescens

Samples	Known/novel miRNAs	Pre-miRNAs	Mature miRNAs
S1	known	394	373
S1	novel	16	17
S2	known	334	294
S2	novel	12	12
S3	known	346	319
S3	novel	17	19
Total	known	474	465
Total	novel	26	29

ISSN: 1471-2229