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An AP2/ERF transcri...
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Wessels, Bernard,1985-Umeå universitet,Institutionen för fysiologisk botanik,Umeå Plant Science Centre (UPSC)
(author)
An AP2/ERF transcription factor ERF139 coordinates xylem cell expansion and secondary cell wall deposition
- Article/chapterEnglish2019
Publisher, publication year, extent ...
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2019-07-02
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Wiley-Blackwell,2019
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printrdacarrier
Numbers
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LIBRIS-ID:oai:DiVA.org:umu-161696
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https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-161696URI
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https://doi.org/10.1111/nph.15960DOI
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https://res.slu.se/id/publ/100984URI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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Differentiation of xylem elements involves cell expansion, secondary cell wall (SCW) deposition and programmed cell death. Transitions between these phases require strict spatiotemporal control.The function of Populus ERF139 (Potri.013G101100) in xylem differentiation was characterized in transgenic overexpression and dominant repressor lines of ERF139 in hybrid aspen (Populus tremula × tremuloides). Xylem properties, SCW chemistry and downstream targets were analyzed in both types of transgenic trees using microscopy techniques, Fourier transform‐infrared spectroscopy, pyrolysis‐GC/MS, wet chemistry methods and RNA sequencing.Opposite phenotypes were observed in the secondary xylem vessel sizes and SCW chemistry in the two different types of transgenic trees, supporting the function of ERF139 in suppressing the radial expansion of vessel elements and stimulating accumulation of guaiacyl‐type lignin and possibly also xylan. Comparative transcriptomics identified genes related to SCW biosynthesis (LAC5, LBD15, MYB86) and salt and drought stress‐responsive genes (ANAC002, ABA1) as potential direct targets of ERF139.The phenotypes of the transgenic trees and the stem expression profiles of ERF139potential target genes support the role of ERF139 as a transcriptional regulator of xylem cell expansion and SCW formation, possibly in response to osmotic changes of the cells.
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Seyfferth, CarolinUmeå universitet,Institutionen för fysiologisk botanik,Umeå Plant Science Centre (UPSC)(Swepub:umu)case0038
(author)
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Escamez, SachaUmeå universitet,Institutionen för fysiologisk botanik,Umeå Plant Science Centre (UPSC)(Swepub:umu)saes0009
(author)
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Vain, ThomasSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skoglig genetik och växtfysiologi,Department of Forest Genetics and Plant Physiology(Swepub:slu)47600
(author)
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Antos, KamilUmeå universitet,Institutionen för integrativ medicinsk biologi (IMB)(Swepub:umu)kaan0125
(author)
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Vahala, Jorma
(author)
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Delhomme, NicolasSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skoglig genetik och växtfysiologi,Department of Forest Genetics and Plant Physiology(Swepub:slu)93629
(author)
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Kangasjarvi, Jaakko
(author)
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Eder, Michaela
(author)
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Lundberg-Felten, JudithSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skoglig genetik och växtfysiologi,Department of Forest Genetics and Plant Physiology(Swepub:slu)48078
(author)
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Tuominen, Hannele,1964-Umeå universitet,Umeå Plant Science Centre (UPSC),Institutionen för fysiologisk botanik(Swepub:umu)hatu0002
(author)
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Umeå universitetInstitutionen för fysiologisk botanik
(creator_code:org_t)
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Sveriges lantbruksuniversitet
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In:New Phytologist: Wiley-Blackwell224:4, s. 1585-15990028-646X1469-8137
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Botany
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AGRICULTURAL SCI ...
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Umeå University
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Swedish University of Agricultural Sciences