Table 2 Major miRNAs involved in the response to phosphorus starvation in different crop species

Common in many species

miR399

A systemic signaling molecule mediating whole-plant phosphorus homeostasis

[26, 32, 42, 43, 45]

Common in many species

miR156, miR159, miR166, miR319, miR398, miR447, miR827, miR156, miR778, miR827, and miR2111

Induced by phosphorus starvation

[43, 48, 49]

Common in many species

miR169, miR395 and miR398 are repressed.

Repressed by phosphorus starvation

[43, 48, 49]

Zea mays

miRNA399b and miR3

Induced by ZmPT1 and ZmPT2 by phosphorus starvation

[48]

Triticum aestivum

mir159b, mir167, mir399, mir408, mir1122, mir1125, mir1135 and mir1136

Induced by phosphorus starvation

[51]

Brassica napus

miR169, miR827 and miR2111

Responsive to phosphorus starvation

[44]

Solanum lycopersicum

miR319 and miR394

Expressed in roots and induced by phosphorus starvation

[54]

Solanum lycopersicum

miR158, miR169g, miR172, miR172b, miR319, miR771 and miR775

Expressed in leaves and repressed by phosphorus starvation

[54]

Lupinus albus

35 miRNA families

Phosphorus starvation upregulates 17, 9, 10 miRNAs in the root, stem and leaf, respectively, and represses 7, 6, 12 miRNAs in the root, stem and leaf, respectively

[52]

Hordeum vulgare

55 potential sRNAs

Regulated by phosphorus starvation and responsible for phosphorus homeostasis

[50]

Glycine max

110 novel miRNAs

Responsive to phosphorus starvation, with 55 expressed in the root and 55 in the shoot

[53]