NAC — Nicotiana attenuata

Summary

A4A49_23049 (NAC68) in coyote tobacco (Nicotiana attenuata) encodes a NAC domain-containing transcription factor with DNA-binding transcription activator activity. This gene is associated with diverse biological processes including abscisic acid homeostasis, secondary thickening, regulation of root hair elongation, transdifferentiation, viral genome replication, zeatin anabolism, dehiscence, pigmentation, and cellular respiration. It is linked to traits such as leaf relative water content, chlorophyll content, photosynthetic rate, respiration rate, ethylene sensitivity, leaf senescence, root thickness, disease tolerance, and brassinosteroid content. The encoded protein localizes to the nucleus and cytosol. Studies of related genes in other species connect the NAC family to drought tolerance, salt stress sensitivity, pathogen resistance, thermomemory, and ABA sensitivity.