sentence: Although eight putative TaPIFs / PILs were expressed with relatively high levels in leaf , they were not presented in lightsteelblue1 module.TabHLH216 – 221 , orthologues of OsTDR1 ( OsbHLH005 ) that is a key regulator of tapetum development and degeneration by promoting the transcription of OsCP1 and OsC6 [ 67 ] , showed inflorescence-specific expression .