Nature Plants | 两类bHLH转录因子调控侧根发育的机制 - 知乎
该研究首先通过对已发表的细胞类型特异性转录组数据集进行分析以确定控制XPP细胞特异性的转录因子，结果发现所鉴定到的6个基因在进化上属于bHLH转录因子家族的两个分支。. 该研究进一步将其分类并命名为 PERICYCLE FACTOR TYPE-A （PFA，PFA1代表bHLH111，PFA2代表 ...
A root phloem pole cell atlas reveals common transcriptional
2022年8月4日 · The phloem pole cell atlas allows a holistic understanding of phloem. While there are specific genes for PPP and CC, these cell types share the first stages of their developmental...
Pericycle: Current Biology - Cell Press
2014年5月19日 · The pericycle is a heterogeneous, non-vascular tissue in plants that is divided into two populations — one at the xylem pole and one at the phloem pole. Pericycle cells at these poles are marked by differences in size, by ultrastructural features and by specific proteins and gene expression.
Diffusible repression of cytokinin signalling produces …
2018年3月14日 · In an Arabidopsis model, repression of cytokinin in the root meristem produces a distinct population of xylem-pole endodermal cells, which resist suberization to become passage cells that enable...
The pericycle is a heterogeneous, non-vascular tissue in plants that is divided into two populations — one at the xylem pole and one at the phloem pole. Pericycle cells at these poles are marked by differences in size, by ultrastructural features and by specific proteins and gene expression.
Cell fate plasticity of xylem-pole-pericycle in - bioRxiv
2024年6月18日 · In Arabidopsis roots, xylem-pole-pericycle (XPP) cells exhibit remarkable cell fate plasticity by contributing to both lateral root (LR) and cambium formation. Despite significant progress in understanding these individual processes, the mechanism orchestrating these two fates and their effects on root architecture and secondary growth remain ...
Two types of bHLH transcription factor determine the ... - Nature
2021年5月18日 · The increase in auxin at the xylem pole initiates a transcriptional programme that specifies lateral root founder cells in Arabidopsis. Early founder cells in the xylem pole pericycle (XPP)...
Pluripotent Pericycle Cells Trigger Different Growth Outputs by ...
2020年11月16日 · We suggest that a non-cell-autonomous signal (hormone/peptide/small RNA/mobile TF) triggered by the cambium renders the xylem pole pericycle competent to form a periderm by either directly specifying periderm identity or by amplifying the endogenous cues required for periderm specification.
Pluripotency of Arabidopsis xylem pericycle underlies shoot ...
2009年1月29日 · We show that the xylem pericycle had a higher pluripotency than expected, and present a comprehensive and new framework for users of Arabidopsis tissue culture, with insights into competence and determination. Xylem pericycle cells …
Arabidopsis lateral roots (LRs) originate from a subset of pericycle cells adjacent to the xylem pole that are “primed” in the basal meristem by rhythmic activation of the auxin response in this zone, which stimulates nuclear migration toward the common cell wall in pairs of pericycle