Arabidopsis CNGC14 Mediates Calcium Influx Required for Tip Growth in Root Hairs

March 2017 in “ Molecular Plant ”

Sisi Zhang, Ya‐Jun Pan, Wang Tian, Mengqi Dong, Huifen Zhu, Sheng Luan, Legong Li

calcium influx CNGC14 root hairs plasma membrane apical calcium gradient auxin-dependent gravitropism calcium signaling auxin response

TLDR CNGC14 is crucial for calcium entry needed for root hair growth in plants.

The study identified CNGC14 in Arabidopsis as a key calcium-permeable channel essential for root hair tip growth by facilitating calcium influx. Mutants without CNGC14 had shorter root hairs, highlighting its role in maintaining the calcium gradient necessary for elongation. CNGC14 was found at the plasma membrane of root-hair tips and was involved in auxin-dependent gravitropism, suggesting a connection between calcium signaling and auxin response in root development. Further research was needed to fully understand CNGC14's role.

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