PNH — Oryza sativa Indica Group

Summary

BGIOSGA014534 (PNH, also known as ZIP, PNH1, OiSHL4, OiAGO1D, OiZIP, OiMEL1, OiAGO1B, OiAGO1C, OiAGO3, OiAGO5, OiAGO1) on chromosome 4 of Indica rice encodes a protein with Argonaute and Piwi domains, annotated with diverse molecular functions including siRNA binding, miRNA binding, histone ubiquitin ligase activity, and superoxide dismutase activity. In this species, PNH is associated with sheath development, reproductive growth, meiosis, cell division, antiviral immunity, and traits including grain, yield, height, tiller, and seed characteristics. It is linked to biological processes such as miRNA metabolism, gene silencing by miRNA, somatic stem cell population maintenance, and regulation of cell fate specification. The gene has been connected to leaf polarity, leaf morphology, auxin signaling, virus resistance, and shoot apical meristem initiation. Related genes in other species link the family to drought stress response, floral development, and shoot meristem organization.