Table 1. Pi content in Arabidopsis shoots (nmole/mg fresh weight).

Treatment	WT	nla	pho2	nla-sup1	nla-sup2	OX-NLA
NO3−-Pi (mM)
10-10	17.3±1.9gh	30.9±3.1bc	35.2±3.2b	10.6±1.1i	16.9±1.8gh	15.6±1.4h
3-10	28.7±2.9cd	191±23.1a	203±22.3a	19.9±1.7fg	36.4±4.1b	24.2±2.1de
10-0.5	3.1±0.3m	7.3±0.9k	8.4±0.8jk	2.6±0.3n	3.8±0.3l	2.7±0.2n
3-0.5	9.1±1.1ij	21.4±1.9ef	24.2±2.3de	7.2±0.7k	10.6±1.2i	8.2±0.9jk

Pi content was measured at 27 days after sowing. Shown are mean ± SD. Values with different letters indicate significant difference at P<0.05.