Review Article
Biogenesis and Biological Activity of Secondary siRNAs in Plants
Table 1
MicroRNAs and ta-siRNAs targeting RNAs for secondary siRNA production.
| | nt | 5′ | AGO | Hits | Sec-siRNA source | RNA Targets | Model | References |
| miR173 | 22 | U | 1 | 1 | TAS1a,b,c,2 | Pentatricopeptide repeat proteins | A.t. | [24, 25, 83] | miR390 | 21 | | 7 | 2 | TAS3 | Auxin response factors | Plants | [84–86] | miR828 | 22 | U | 1 | 1 | TAS4 | MYB transcription factors | | [87, 88] | miR161/miR400 | 21 | | 1 | 2 | PPR clade | PPR network | A.t. | [89, 90] | miR393 | 22 | | 1 | 1 | siTAAR | TAAR network | | [89, 91, 92] | miR472 | 22 | | 1 | 1 | NBS-LRR | NBS-LRR | A.t. | [89] | miR482 | 22 | | 1 | 2 | NBS-LRR | NBS-LRR | Tomato | [93] | miR780/miR856 | 21 | | | | ATCHX18 | | | [89] | miR2118 | 22 | U | 1 | 1 | NBS-LRR; SGS3 | | Plants | [93, 94] | miR6019 | 22 | | | | NBS-LRR (N) | | Tobacco | [95] | miR6020 | 21 | | | | NBS-LRR (N) | | Tobacco | [95] | miR2109 | 22 | U | 1 | 1 | NBS-LRR | | Medicago | [94] | miR1507 | 22 | C | 1 | 1 | NBS-LRR; DCL2 | | Medicago | [94] | miR1509 | 22 | | 1 | 2 | | | Medicago | [94] | miR5754 | 22 | U | 1 | 1 | | | Medicago | [94] | miR156/miR172 | 21/21 | U/A | 1/1 | 2 | AP2-like | | Medicago | [94] | tas1c D6− | 21, 22 | U | 1, 2, 4 | | TAS 1a,b,c, TAS2 | | A.t. | [96] | tas1c D10− | 21 | A | 2 | | TAS1c | | A.t. | [96] | tas1c D10− | 22 | U | 1 | | TAS1c | | A.t. | [96] | tas3 D2− | 21 | | | | TAS3 | | Leguminosae | [97] | miR168 | 22 | | | 1 | AGO1 | | A.t., Tomato | [93, 98] |
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