Journal Article hybrid breeding rice 4747-99-3 Aristolochia Aristolochic acids Biosynthetic pathway EC 2.1.1.- EC 2.3.2.27 EC 3.1.- Endoribonucleases Fatty Acids Methyltransferase Methyltransferases RNA Precursors RNase Z Research Support, Non-U.S. Gov't Rice Tetrahydropapaveroline Thermo-sensitive genic male sterility Transcriptome Ubiquitin Ubiquitin-60S ribosomalprotein L40 Ubiquitin-Protein Ligases critical sterility-inducing temperature humidity-sensitive genic male sterility pollen wall reactive oxygen species ribosome-associated protein quality control tRNA