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  • Open Access


    Constitutive Activation OsbZIP62 Improves Plant Height and Yield through Regulating the Expression of Agronomic Traits Related Genes in Rice

    Shiqin Yang1,2,#, Tao Jiang3,#, Peilin Shen1, Shengjie Ren3, Zhun Gu1, Fangjun Feng2, Yunpeng Peng2,4, Wei Wang5, Kai Xu2,*

    Phyton-International Journal of Experimental Botany, Vol.91, No.8, pp. 1671-1686, 2022, DOI:10.32604/phyton.2022.018996

    Abstract Plant height is an important morphological trait that affects crop yield. Several genes related to plant height and yield have been reported in rice (Oryza sativa L.), however, the molecular mechanism underlying the regulation of these traits is still not completely understood. VP64 is widely used as a transcriptional activator to investigate the biological function of genes encoding transcription factors. Here, we identified a novel bZIP transcription factor OsbZIP62 that is involved in modulating agronomic traits in rice. Overexpression of OsbZIP62-VP64 (OsbZIP62V) significantly increases the plant height and yield per plant in rice. RNA-seq analysis showed that some More >

  • Open Access


    Fine Mapping and Candidate Gene Prediction of the Quantitative Trait Locus qPL8 for Panicle Length in Rice

    Lin Zhang1,2,*, Yiting Zou1, Zhong Bian1, Dong Xie1, Hadi Yeilaghi1, Xiaolei Fan1,2, Dongsheng Zhao1,2, Qiaoquan Liu1,2,*

    Phyton-International Journal of Experimental Botany, Vol.90, No.3, pp. 789-802, 2021, DOI:10.32604/phyton.2021.014880

    Abstract Rice panicle is the sink organ where assimilation product accumulates, and its morphology determines the rice yield. Panicle length has been suggested as a yield-related trait, but the genetic factor for its control is still limited. In this study, we carried out fine-mapping of qPL8, a QTL identified for panicle length in our previous work. Near isogenic line (NIL) with qPL8 exhibited elongated panicle without obvious effect on other panicle elements. With five key recombinants from NIL population, the locus was finally narrowed down to a 278-kb region, where 44 genes are annotated. By comparing the More >

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