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Table 1 Differentially expressed miRNAs (DEM) in autotetraploid rice compared to diploid rice

From: Analysis of small RNAs revealed differential expressions during pollen and embryo sac development in autotetraploid rice

Comparison

Up-regulated

Down-regulated

Total

Targets

Gene Ontology

PMA-4x/2x

30

48

78

470

GO: 0005576 (extracellular region)

MA-4x/2x

33

82

115

664

GO: 0007275 (multicellular organismal development)

GO: 0005576 (extracellular region)

SCP-4x/2x

42

85

127

504

GO: 0006139 (nucleobase, nucleoside, nucleotide and nucleic acid metabolic process)

GO: 0009653 (anatomical structure morphogenesis)

GO: 0030154 (cell differentiation)

GO: 0007165 (signal transduction)

GO: 0009908 (flower development)

GO: 0003700 (transcription factor activity)

BCP-4x/2x

67

63

130

548

GO: 0009908 (flower development)

GO: 0007165 (signal transduction)

GO: 0009653 (anatomical structure morphogenesis)

GO: 0006139 (nucleobase, nucleoside, nucleotide and nucleic acid metabolic process)

GO: 0003700 (transcription factor activity)

GO: 0003723 (RNA binding)

MF-4x/2x

129

34

163

489

GO: 0009908 (flower development)

GO: 0009653 (anatomical structure morphogenesis)

GO: 0006139 (nucleobase, nucleoside, nucleotide and nucleic acid metabolic process)

GO: 0007165 (signal transduction)

GO: 0030154 (cell differentiation)

GO: 0003700 (transcription factor activity)

GO: 0016301 (kinase activity)

MM-4x/2x

210

42

252

835

GO: 0044238 (primary metabolic process)

GO: 0007165 (signal transduction)

GO: 0000166 (nucleotide binding)

GO: 0016301 (kinase activity)

GO: 0003700 (transcription factor activity)

FMF-4x/2x

68

42

110

432

GO: 0009856 (pollination)

GO: 0009653 (anatomical structure morphogenesis)

GO: 0005488 (binding)

EES-4x/2x

54

11

65

285

GO: 0003700 (transcription factor activity)

  1. PMA, MA, SCP and BCP represent pre-meiotic interphase, meiosis and single microspore stage and bi-cellular pollen stage, respectively. MF, MM, FMF and EES represent megasporocyte formation stage, megasporocyte meiosis stage, functional megaspore formation stage and eight-nucleate embryo sac developing-stage, respectively. “4x” and “2x” represent the autotetraploid and diploid rice, respectively