SgPAP7 Acid Phosphatase

New target for low-Pi crop tolerance

This enzyme efficiently utilizes organic phosphorus under low-Pi conditions and shows significant correlation with root-associated APase activity across genotypes, making it a promising gene resource for improving crop P efficiency.

Luo, Jiajia · Chen, Zhijian · Huang, Rui · Wu, Yuanhang · Liu, Chun · Cai, Zeping · Dong, Rongshu · Arango, Jacobo · Idupulapati, Rao · Schultze-Kraft, Rainer · Liu, Guodao · Liu, Pandao

Plant Journal 2023

Advantages

SgPAP7 expression levels significantly positively correlated with both internal and root-associated APase activities across 20 stylo genotypes under low-Pi conditions

Recombinant SgPAP7 exhibited high catalytic activity toward ADP and PEP in vitro

SgPAP7 overexpression in Arabidopsis significantly enhanced utilization of exogenous organic phosphorus