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Table 3 The known targets of drought-responsive miRNAs and their function annotations

From: Identification of drought-responsive microRNAs in Medicago truncatula by genome-wide high-throughput sequencing

miRNA families Expression pattern Targets Functions and responsiveness References
miR164 down NAC domain transcription factors lateral root development [9]
miR169 down CCAAT Binding Factor (CBF) response to drought, cold and salinity, nodule development [14, 15, 17, 18, 22, 33, 74]
miR171 down GRAS transcription factors response to drought, cold and salinity, nodule morphogenesis, floral development [5, 18, 33]
miR396 down Growth Regulating Factor (GRF) response to drought and salinity, cell proliferation [18, 52, 75]
miR398 down Cu/Zn superoxide dismutases (CSD1, CSD2) response to oxidative stress [15, 27]
miR399 up PHO2/ubiquitin conjugating enzyme balance of phosphorus [23]
miR2118 up TIR-NBS-LRR domain protein response to drought, cold, salinity, and ABA [51, 76]