PAT — Nicotiana attenuata

Summary

A4A49_64079 (NaPAT) in coyote tobacco (Nicotiana attenuata) encodes a ubiquitin-60S ribosomal protein L40, a fusion protein that combines a ubiquitin domain with a ribosomal eL40 domain. The gene product is annotated with structural constituent of ribosome, ubiquitin-protein transferase activity, thiol-dependent deubiquitinase activity, and histone methylase activity, and is associated with the cytosolic large ribosomal subunit. NaPAT is linked to diverse biological processes including modification-dependent proteolysis, regulation of abscisic acid anabolism, stomatal lineage progression, seed dormancy, endosperm development, and responses to salicylic acid, freezing, and oomycete and bacterial pathogens. The gene has been connected to agronomically relevant traits such as biomass yield, plant height, leaf chlorophyll content, seed dormancy, flowering time, pollen fertility, root mass density, and disease tolerance. Studies of related genes in other species link the family to salt and drought tolerance, cell proliferation, and seed size.