Figure 2: Size distribution of sRNA sequences.

Relative proportions of sRNA sequences are displayed as percentages for each size category in a representative subset of the analysed species. (a–c) Green algae; (d) ferns; (e–g) gymnosperms; (h–j) angiosperms. cco4: thallus in control conditions, cco5: nutrient starvation, cco6: nutrient starvation plus salt stress, cre6: control, cre7: phosphate starvation, cre8: sulphate starvation, vca4: control, vca5: sulphate starvation, vca6: phosphate starvation, mqu1: leaves, mqu2: roots, mqu3: drought-stressed leaves, pab1: needles, pab2: female cone, pab3: lateral bud meristem, gbi1: leaves, gbi2: female cone, gbi3: male cone, cru1: leaves, cru2: female cone, cru3: male cone, pam1: leaves, pam2: flowers, pam3: fruits, lsa1: leaves, lsa2: flowers, lsa3: leaves inoculated with Bremia lactucae, pvi1: leaves, pvi2: flower, pvi3: drought-stressed leaves.