Chemical induction of hypocotyl rooting reveals extensive conservation of auxin signalling controlling lateral and adventitious root formation

Chemical induction of hypocotyl rooting reveals extensive conservation of auxin signalling controlling lateral and adventitious root formation

© 2023 The Authors. New Phytologist © 2023 New Phytologist Foundation.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 240(2023), 5 vom: 03. Dez., Seite 1883-1899
1. Verfasser: Zeng, Yinwei (VerfasserIn)
Weitere Verfasser: Verstraeten, Inge, Trinh, Hoang Khai, Lardon, Robin, Schotte, Sebastien, Olatunji, Damilola, Heugebaert, Thomas, Stevens, Christian, Quareshy, Mussa, Napier, Richard, Nastasi, Sara Paola, Costa, Alex, De Rybel, Bert, Bellini, Catherine, Beeckman, Tom, Vanneste, Steffen, Geelen, Danny
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article adventitious root auxin signalling root branching root development synthetic auxin Arabidopsis Proteins Indoleacetic Acids SHY2 protein, Arabidopsis Nuclear Proteins
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500 |a Citation Status MEDLINE 
520 |a © 2023 The Authors. New Phytologist © 2023 New Phytologist Foundation. 
520 |a Upon exposure to light, etiolated Arabidopsis seedlings form adventitious roots (AR) along the hypocotyl. While processes underlying lateral root formation are studied intensively, comparatively little is known about the molecular processes involved in the initiation of hypocotyl AR. AR and LR formation were studied using a small molecule named Hypocotyl Specific Adventitious Root INducer (HYSPARIN) that strongly induces AR but not LR formation. HYSPARIN does not trigger rapid DR5-reporter activation, DII-Venus degradation or Ca2+ signalling. Transcriptome analysis, auxin signalling reporter lines and mutants show that HYSPARIN AR induction involves nuclear TIR1/AFB and plasma membrane TMK auxin signalling, as well as multiple downstream LR development genes (SHY2/IAA3, PUCHI, MAKR4 and GATA23). Comparison of the AR and LR induction transcriptome identified SAURs, AGC kinases and OFP transcription factors as specifically upregulated by HYSPARIN. Members of the SAUR19 subfamily, OFP4 and AGC2 suppress HYS-induced AR formation. While SAUR19 and OFP subfamily members also mildly modulate LR formation, AGC2 regulates only AR induction. Analysis of HYSPARIN-induced AR formation uncovers an evolutionary conservation of auxin signalling controlling LR and AR induction in Arabidopsis seedlings and identifies SAUR19, OFP4 and AGC2 kinase as novel regulators of AR formation 
650 4 |a Journal Article 
650 4 |a adventitious root 
650 4 |a auxin signalling 
650 4 |a root branching 
650 4 |a root development 
650 4 |a synthetic auxin 
650 7 |a Arabidopsis Proteins  |2 NLM 
650 7 |a Indoleacetic Acids  |2 NLM 
650 7 |a SHY2 protein, Arabidopsis  |2 NLM 
650 7 |a Nuclear Proteins  |2 NLM 
700 1 |a Verstraeten, Inge  |e verfasserin  |4 aut 
700 1 |a Trinh, Hoang Khai  |e verfasserin  |4 aut 
700 1 |a Lardon, Robin  |e verfasserin  |4 aut 
700 1 |a Schotte, Sebastien  |e verfasserin  |4 aut 
700 1 |a Olatunji, Damilola  |e verfasserin  |4 aut 
700 1 |a Heugebaert, Thomas  |e verfasserin  |4 aut 
700 1 |a Stevens, Christian  |e verfasserin  |4 aut 
700 1 |a Quareshy, Mussa  |e verfasserin  |4 aut 
700 1 |a Napier, Richard  |e verfasserin  |4 aut 
700 1 |a Nastasi, Sara Paola  |e verfasserin  |4 aut 
700 1 |a Costa, Alex  |e verfasserin  |4 aut 
700 1 |a De Rybel, Bert  |e verfasserin  |4 aut 
700 1 |a Bellini, Catherine  |e verfasserin  |4 aut 
700 1 |a Beeckman, Tom  |e verfasserin  |4 aut 
700 1 |a Vanneste, Steffen  |e verfasserin  |4 aut 
700 1 |a Geelen, Danny  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t The New phytologist  |d 1979  |g 240(2023), 5 vom: 03. Dez., Seite 1883-1899  |w (DE-627)NLM09818248X  |x 1469-8137  |7 nnns 
773 1 8 |g volume:240  |g year:2023  |g number:5  |g day:03  |g month:12  |g pages:1883-1899 
856 4 0 |u http://dx.doi.org/10.1111/nph.19292  |3 Volltext 
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