122 citations,
May 2010 in “Plant Physiology” Different PIN proteins affect plant root hair growth by changing how auxin is transported.
84 citations,
June 2010 in “The Plant Cell” Phospholipase A2 is necessary for the correct placement of PIN proteins in plant roots, affecting root growth.
47 citations,
April 2012 in “The Plant Journal” Phosphorylation of certain parts of the PIN3 protein is crucial for its role in plant root growth and response to gravity.
35 citations,
September 2012 in “PloS one” Two distinct pathways direct proteins to vacuoles in Arabidopsis, affecting root hair growth and protein targeting.
Plant roots respond to fungus smells by possibly using certain proteins and a plant hormone to change root growth, but more research is needed.