Plant roots respond to fungus smells by possibly using certain proteins and a plant hormone to change root growth, but more research is needed.
11 citations,
May 2018 in “Frontiers in plant science” Arabidopsis PCaP2 helps plants survive drought by linking ABA and SA signals.
March 2021 in “Research Square (Research Square)” The SbbHLH85 protein helps sweet sorghum grow more root hairs but makes the plant more sensitive to salt.
August 2024 in “Plant Signaling & Behavior” OsPRX83 helps rice survive stress by improving stress response and antioxidant activity.
43 citations,
September 2014 in “Molecular Plant” CLE40 and CRN/CLV2 pathways have opposite effects on root growth in Arabidopsis.