PNH — Zea mays

Summary

ZmPNH (ZM00001EB315540) on maize chromosome 7 encodes a protein with RNA endonuclease activity and nucleic acid binding, belonging to the Piwi and RNaseH-like superfamilies. It is associated with regulation of cellular localization, leaf abscission, floral organ abscission, meristem determinacy, trichome spacing, female meiotic nuclear division, microgametogenesis, leaf formation, dehiscence, oviposition, response to virus, hormone and nutrient responses, demethylation, protein processing, and secondary metabolite biosynthesis. The gene product localizes to the nucleus, nucleolus, NOR region, and cytoplasm. Associations with agronomic traits include grain yield, grain weight, grain length, grain size, seed size, ear weight, anthesis time, rolled leaf, inflorescence branching, chlorophyll content, lignin content, proline content, abscisic acid sensitivity, acid sensitivity, and drought tolerance. Related genes in other species link the gene family to similar developmental and stress-related processes.