2.7.8.8 anther isoform PSS1 promoter activity is prominent in developing anthers 723425 2.7.8.8 culm - 739446 2.7.8.8 embryo - 723425 2.7.8.8 flower - 738817 2.7.8.8 internode - 723504, 738817 2.7.8.8 internode especially the uppermost 739446 2.7.8.8 internode isozyme OsPSS-1 gene is expressed predominantly in elongating cells 739446 2.7.8.8 leaf - 739446 2.7.8.8 leaf low expression 723504 2.7.8.8 leaf vein - 723425 2.7.8.8 microspore - 723425 2.7.8.8 additional information predominantly expressed in elongating cells 762210 2.7.8.8 additional information quantitative reverse transcription polymerase chain reaction (qRT-PCR) analyses of wild-type plants reveals that OsPSS-1 is expressed in various organs, including roots, culms, and leaves, with the highest expression in panicles 739446 2.7.8.8 panicle - 723504, 739446 2.7.8.8 pollen - 723425 2.7.8.8 root - 723504, 739446, 761226 2.7.8.8 root vascular cell - 723425 2.7.8.8 rosette leaf - 738817 2.7.8.8 seedling - 738817, 739446 2.7.8.8 stem - 738817 2.7.8.8 trichome - 723425