Peptide signaling in plant development.

Peptide signaling in plant development.
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DOI:
10.1016/j.cub.2011.03.012
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发表时间:
2011-05-10
期刊:
影响因子:
9.2
通讯作者:
Laux, Thomas
Laux, Thomas
中科院分区:
生物学1区
文献类型:
--
作者:
Katsir, Leron;Davies, Kelli A.;Bergmann, Dominique C.;Laux, Thomas

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细胞与细胞之间的通讯是多细胞进化的一部分。在植物发育中,肽信号传递协调细胞增殖和分化的信息。这些肽通常由基因家族编码,并与相应的受体家族结合。信号及其同源受体的精确时空表达是发育模式的基础,随着进化时间的推移,表达和生化变化可能有助于发育程序的完善和复杂性。在这里,我们讨论了两个主要的植物肽家族,在植物发育中发挥核心作用:CLAVATA 3/胚乳周围区域(CLE)肽家族和表皮图案因子(EPF)家族。我们讨论了专业化如何使CLE肽调节干细胞分化的各种组织类型,以及如何不同的活动EPF肽精确地调节气孔发育程序,我们研究这些肽家族的贡献,从进化的角度来看,植物的发展。
Cell-to-cell communication is integral to the evolution of multicellularity. In plant development, peptide signals relay information coordinating cell proliferation and differentiation. These peptides are often encoded by gene families and bind to corresponding families of receptors. The precise spatiotemporal expression of signals and their cognate receptors underlies developmental patterning, and expressional and biochemical changes over evolutionary time have likely contributed to the refinement and complexity of developmental programs. Here, we discuss two major plant peptide families which have central roles in plant development: the CLAVATA3/ENDOSPERM SURROUNDING REGION (CLE) peptide family and the EPIDERMAL PATTERNING FACTOR (EPF) family. We discuss how specialization has enabled the CLE peptides to modulate stem cell differentiation in various tissue types, and how differing activities of EPF peptides precisely regulate the stomatal developmental program, and we examine the contributions of these peptide families to plant development from an evolutionary perspective.
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