Imperial College London
Alternate

DrJieSong

Faculty of Natural Sciences, Department of Life Sciences

Research Fellow (The Royal Society)
 
 
 
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Contact

 

+44 (0)20 7594 5389j.song

 
 
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Location

 

Level 6Sir Alexander Fleming BuildingSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Yang:2017:10.1104/pp.17.00719,
author = {Yang, C and Song, J and Ferguson, A and Klisch, D and Simpson, K and Mo, R and Taylor, B and Wilson, ZA},
doi = {10.1104/pp.17.00719},
journal = {Plant Physiology},
pages = {333--350},
title = {Transcription factor MYB26 is key to spatial specificity in anther secondary thickening formation},
url = {http://dx.doi.org/10.1104/pp.17.00719},
volume = {175},
year = {2017}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - Successful fertilisation relies on the production and effective release of viable pollen. Failure of anther opening (dehiscence), results in male sterility although the pollen may be fully functional. MYB26 regulates the formation of secondary thickening in the anther endothecium, which is critical for anther dehiscence and fertility. Here we show that the although the MYB26 transcript shows expression in multiple floral organs the MYB26 protein is localised specifically to the anther endothecium nuclei and that it directly regulates two NAC domain genes, NST1 and NST2, which are critical for the induction of secondary thickening biosynthesis genes. However there is a complex relationship of regulation between these genes and MYB26. Using DEX-inducible MYB26 lines and overexpression in the various mutant backgrounds we have shown that MYB26 up-regulates both NST1 and NST2 expression. Surprisingly normal thickening and fertility rescue does not occur in the absence of MYB26, even with constitutively induced NST1 and NST2, suggesting an additional essential role for MYB26 in this regulation. However, combined overexpression of NST1 and NST2 in myb26 facilitates limited ectopic thickening in the anther epidermis, but not in the endothecium and thus fails to rescue dehiscence. By this series of regulatory controls, secondary thickening is formed specifically within the endothecium; this specificity is essential for anther opening.
AU  - Yang,C
AU  - Song,J
AU  - Ferguson,A
AU  - Klisch,D
AU  - Simpson,K
AU  - Mo,R
AU  - Taylor,B
AU  - Wilson,ZA
DO  - 10.1104/pp.17.00719
EP  - 350
PY  - 2017///
SN  - 1532-2548
SP  - 333
TI  - Transcription factor MYB26 is key to spatial specificity in anther secondary thickening formation
T2  - Plant Physiology
UR  - http://dx.doi.org/10.1104/pp.17.00719
UR  - http://hdl.handle.net/10044/1/50297
VL  - 175
ER  -
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