Journal of Experimental Botany, Vol. 66, No. 5 (2015), pp. 1191-1203 (13 pages) Tonoplast intrinsic proteins (TIPs) are integral membrane proteins that are known to function in plants as aquaporins.
A research team has revealed the molecular steps that led to the emergence of this plant-specific vacuolar transport system. Their work shows that the acquisition of this pathway was driven by the ...