AtERF38 (At2g35700), an AP2/ERF family transcription factor gene from Arabidopsis thaliana, is expressed in specific cell types of roots, stems and seeds that undergo suberization

Plant Physiology and Biochemistry : PPB
Eric LasserreMichel Delseny

Abstract

An inverse genetic approach was used to gain insight into the role of AP2/ERF-type transcription factors genes during plant development in Arabidopsis thaliana. Here we show that the expression pattern of AtERF38, which is, among the organs tested, more intensively expressed in mature siliques and floral stems, is closely associated with tissues that undergo secondary cell wall modifications. Firstly, public microarray data sets analysis indicates that AtERF38 is coregulated with several genes involved in secondary wall thickening. Secondly, this was experimentally confirmed in different types of cells expressing a Pro(AtERF38)::GUS fusion: histochemical analysis revealed strong and specific GUS activity in outer integument cells of mature seeds, endodermal cells of the roots in the primary developmental stage and some sclerified cells of mature inflorescence stems. All of these cells are known or shown here to be characterized by a reinforced wall. The latter, which have not been well characterized to date in Arabidopsis and may be suberized, could benefit of the use of AtERF38 as a specific marker. We were not able to detect any phenotype in an insertion line in which ectopic expression of AtERF38 is caused by the insertion o...Continue Reading

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Citations

Feb 16, 2010·Plant Physiology·Georg J Seifert, Claudia Blaukopf
Feb 15, 2011·BioEssays : News and Reviews in Molecular, Cellular and Developmental Biology·Pinky AgarwalAkhilesh K Tyagi
Jul 26, 2014·The Plant Journal : for Cell and Molecular Biology·Dylan K KosmaOwen Rowland
Apr 30, 2015·Journal of Experimental Botany·Emmanuel TerrassonOlivier Leprince
Mar 23, 2011·Plant Science : an International Journal of Experimental Plant Biology·Kosala RanathungeRochus Franke
Oct 6, 2018·Nature Plants·Shingo SakamotoNobutaka Mitsuda
Jun 12, 2020·Critical Reviews in Biotechnology·Kai FengAi-Sheng Xiong
Nov 28, 2018·Journal of Plant Research·Laddawan SaelimMisato Ohtani
Apr 17, 2021·The Plant Journal : for Cell and Molecular Biology·Zachary WahrenburgDylan K Kosma

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