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Plant Growth Regulation

, Volume 81, Issue 1, pp 167–173 | Cite as

Transcriptional regulation of CLE genes by cytokinin in Arabidopsis shoots and roots

  • Nan Yang
  • Yanting Lv
  • Zhijun Liu
  • Lixia Pan
  • Shuo Lv
  • Huibin Han
  • Guodong Wang
Brief communication
  • 388 Downloads

Abstract

The CLE (CLAVATA3/Embryo surrounding region-related) peptides and cytokinin both play important roles in cell–cell communications to regulate various developmental and physiological processes. Potential crosstalks between CLE peptides and cytokinin signaling have been shown in several cases. To deepen our understanding on the interaction between CLE peptides and cytokinin, the transcriptional responses of CLE genes to cytokinin in Arabidopsis shoots and roots were analyzed. Our data indicated that the expression of many CLE genes is perturbed by cytokinin, and shoot-/root-specific expression changes were also observed. However, no significant correlation was found to link the CLE phylogeny and the transcriptional responses. Further investigation using CLE10, a CLE gene which is positively regulated by cytokinin in shoots and roots, revealed that CLE10 may not be involved in the cytokinin-mediated inhibition of the protoxylem formation. Our data provide new insights into the study of the crosstalk between cytokinin and CLE peptides.

Keywords

Arabidopsis CLE peptide Cytokinin Crosstalk Transcriptional regulation 

Notes

Acknowledgments

We thank Dr. Jennifer Fletcher for sharing the mutant cle10-1. This work is supported by the National Natural Science Foundation of China (31271575; 31200902), the Fundamental Research Funds for the Central Universities (GK201103005), the Specialized Research Fund for the Doctoral Program of Higher Education from the Ministry of Education of China (20120202120009), the Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry, and the Natural Science Basic Research Plan in Shaanxi Province of China (2014JM3064).

Supplementary material

10725_2016_187_MOESM1_ESM.docx (15 kb)
Supplementary material 1 (DOCX 14 KB)

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Copyright information

© Springer Science+Business Media Dordrecht 2016

Authors and Affiliations

  • Nan Yang
    • 1
  • Yanting Lv
    • 1
  • Zhijun Liu
    • 1
  • Lixia Pan
    • 1
  • Shuo Lv
    • 1
  • Huibin Han
    • 1
  • Guodong Wang
    • 1
  1. 1.Key Laboratory of Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Developing of Endangered Chinese Crude Drugs in Northwest of China, College of Life Sciences, Shaanxi Normal UniversityXi’anChina

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