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Table 1 Selected miRNA targets validated through degradome sequencing. Conserved miRNA and their targets are italicized

From: MicroRNA-guided regulation of heat stress response in wheat

miRNA

Target of miRNA

Functional pathways

miR156–1.1-5p

Squamosa promoter-binding-like protein

Stress signalling, regulation of juvenile state [88]

miR156–1.2-5p

miR159f-1

MYB transcription factor

Anther development and male sterility [33]

miR166–12.1-3p

Homeobox leucine-zipper protein

Hormone signalling, leaf morphogenesis and development [89]

miR166–12.2-3p*

miR166–13-3p*

miR166–1-3p

miR166–3.1-3p

miR166–3.2-3p

miR166–4.1-3p

miR166–4.2-3p

miR166–4-3p

miR166–5.1-3p*

miR166–5.2-3p

miR166–6-3p

miR166–7.1-3p*

miR166–7.2-3p

miR166–8.1-3p

miR166–8.2-3p

miR166–8.3-3p

miR166–8.5-3p

miR166–8.6-3p

miR166–9-3p

miR167–14-3p

Auxin response factor

Auxin signalling [90, 91]

miR167–1-5p*

miR167–18-5p

miR167–2-5p

miR167–35-5p

miR169–51-3p

Nuclear transcription factor Y subunit

ABA signalling and drought stress signalling [92]

miR169l-1

miR171–2-3p

Scarecrow transcription factor family protein

Floral development drought stress signalling [92]

miR393–2-5p

Transport inhibitor response 1

Auxin signalling [93]

miR393–4-5p

miR393–6-5p

miR395–18-3p

ATP sulfurylase (Sulfate adenylyltransferase)

Sulfate transport [92]

miR395–41-3p

miR398–1.2-3p

Superoxide dismutase [Cu-Zn]

Antioxidant activity [94]

miR528–1.2-5p*, †

Superoxide dismutase [Cu-Zn], L-ascorbate oxidase

Antioxidant activity [78]

miR2020b-1

Pentatricopeptide repeat-containing protein

RNA metabolism and organ development [82, 83]

miR9662–1.1-3p

Mitochondrial transcription termination factor-like

Regulation of transcription

miR9662–1.2-3p

miR9662–1.4-3p

miR9662–1.5-3p

miR9662–1.6-3p*

miR9662–1.7-3p

miR9662–2.9-3p

miR9670–2.1-5p

Mitochondrial transcription termination factor-like

Regulation of transcription [85]

miR9772–1-5p‡

F-box proteins

[22, 79]

miR9772–2.1-5p‡

miR9772–2.2-5p*,‡

miR9772–4-5p‡

miR9772–5-5p*,‡

miR9772–6-5p‡

  1. *significant differential expression at any time points after heat stress (FDR < 0.05);† indicates monocot specific miRNAs, ‡ indicated Triticum specific miRNAs