The CLE gene family in Populus trichocarpa

The CLE gene family in Populus trichocarpa
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毛果杨CLE基因家族

DOI:
10.1080/15592324.2016.1191734
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发表时间:
2016-05
影响因子:
2.9
通讯作者:
Guodong Wang
Guodong Wang
中科院分区:
生物学4区
文献类型:
--
作者:
Lixia Pan;Shuo Lv;Huibin Han;Guodong Wang

文献摘要

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摘要CLE(CLAVATA 3/Embryo Surrounding Region-related)肽是一种小的分泌信号肽,主要参与调节不同植物分生组织中干细胞的动态平衡。特别是CLE 41-PXY/TDR信号通路的研究,极大地促进了我们对CLE肽在维管发育和木材形成中的潜在作用的理解。然而,我们对这个基因家族的知识是有限的。在最近的一项研究中,我们报道了一个系统的调查CLE基因家族在杨果。通过比较分析和转录谱分析研究PtCLE基因的潜在作用。在50个PtCLE成员中,许多PtCLE蛋白与AtCLE具有相同的CLE基序或包含相同的CLE基序,而PtCLE基因与拟南芥对应物相比表现出相似或不同的表达模式。这些发现表明PtCLE和AtCLE同源物之间既存在功能保守性,又存在功能差异。我们的研究结果提供了宝贵的资源,为未来的功能调查,这些关键信号分子在木本植物。
ABSTRACT The CLE (CLAVATA3/Embryo Surrounding Region-related) peptides are small secreted signaling peptides that are primarily involved in the regulation of stem cell homeostasis in different plant meristems. Particularly, the characterization of the CLE41-PXY/TDR signaling pathway has greatly advanced our understanding on the potential roles of CLE peptides in vascular development and wood formation. Nevertheless, our knowledge on this gene family in a tree species is limited. In a recent study, we reported on a systematically investigation of the CLE gene family in Populus trichocarpa. The potential roles of PtCLE genes were studied by comparative analysis and transcriptional profiling. Among fifty PtCLE members, many PtCLE proteins share identical CLE motifs or contain the same CLE motif as that of AtCLEs, while PtCLE genes exhibited either comparable or distinct expression patterns comparing to their Arabidopsis counterparts. These findings indicate the existence of both functional conservation and functional divergence between PtCLEs and their AtCLE orthologues. Our results provide valuable resources for future functional investigations of these critical signaling molecules in woody plants.
DOI: 10.1105/tpc.105.034009
发表时间: 2005-09-01
期刊: PLANT CELL
影响因子: 11.6
作者:
Fiers, M;Golemiec, E;Liu, CM
通讯作者: Liu, CM
通过比较基因组分析和功能测定,扩展了控制根源发育的分泌肽的曲目。
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