Table 1.

Major genes evaluated in transgenic plants and microorganisms with phytase activity.

Gene	Plant target	Microbial target	Reference
HvPAPhy_a	Hordeum vulgare L.	—	Holme et al. [106]
PHY_US417	Arabidopsis thaliana	—	Belgaroui et al. [14]
PHYA	Hordeum vulgare L.	—	Mohsin et al. [107]
AVP1DOX	Solanum lycopersicum	—	Yang et al. [108]
MtPHY1	Medicago sativa L.	—	Ma et al. [109]
MtPT1	Medicago sativa L.	—	Ma et al. [109]
HvPAPhya	—	Pichia pastoris	Dionisio et al. [4]
HvPAPhyb1	—	Pichia pastoris	Dionisio et al. [4]
HvPAPhyb2	—	Pichia pastoris	Dionisio et al. [4]
sk-57	—	Pichia pastoris	Xiong et al. [73]