Table V. Mutant plants with root hair length under Pi-deficient conditions that deviate from the wild type.

Mutant lines indicated in boldface are shown in Figure 8.

Locus	Name	Mutant Lines	Phenotype under –Pi Conditions	Highest Expression
At3g43960	Cys proteinase	sail_893_F01, salk_135674	Shorter root hairs	Root hair zone
At4g15290	ATCSLB5	salk_133711, salk_016242	Incomplete elongation	Root hair zone
At3g01730	Unknown protein	salk_073740, salk_120148	Shorter root hairs	Lateral root, elongation zone
At5g51310	2-Oxoglutarate (2OG) and Fe(II)-dependent oxygenase superfamily protein	sail_91_E12, salk_072163	Longer root hairs	Lateral root, elongation zone
At2g45890	RHS11, ROPGEF4	sail_184_C08, salk_148056	Longer root hairs	Root hair zone
At1g24620	EF-hand calcium-binding protein family	salk_114440, salk_000164	Longer root hairs	Pollen
At5g56540	AGP14	salk_107040, salk_016693	Longer root hairs (also in +Pi plants)	Endodermis, root hair zone
At5g60660	PIP2;4	sail_1251_G12, sail_535_D05	Longer root hairs (also in +Pi plants)	Root hair zone