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Molecular basis of ...
Molecular basis of differential adventitious rooting competence in poplar genotypes
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- Ranjan, Alok (författare)
- Umeå universitet,Institutionen för fysiologisk botanik,Umeå Plant Science Centre (UPSC)
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- Perrone, Irene (författare)
- Umeå universitet,Institutionen för fysiologisk botanik,Umeå Plant Science Centre (UPSC),Institute For Sustainable Plant Protection, National Research Council Of Italy (IPSP-CNR), Torino, Italy
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- Alallaq, Sanaria, 1976- (författare)
- Umeå universitet,Institutionen för fysiologisk botanik,Umeå Plant Science Centre (UPSC),Department Of Biology, College Of Science For Women, Baghdad University, Baghdad, Iraq
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- Singh, Rajesh (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skoglig genetik och växtfysiologi,Department of Forest Genetics and Plant Physiology
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- Rigal, Adeline (författare)
- Université De Lorraine, Inrae, Umr Interactions Arbres/Microorganismes, Laboratory Of Excellence Arbre, Inrae GrandEst-Nancy, Champenoux, France
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- Brunoni, Federica (författare)
- Umeå universitet,Institutionen för fysiologisk botanik,Umeå Plant Science Centre (UPSC)
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- Chitarra, Walter (författare)
- Institute For Sustainable Plant Protection, National Research Council Of Italy (IPSP-CNR), Torino, Italy; Research Centre For Viticulture And Enology, Council For Agricultural Research And Economics (CREA-VE), TV, Conegliano, Italy
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- Guinet, Frederic (författare)
- Université De Lorraine, Inrae, Umr Interactions Arbres/Microorganismes, Laboratory Of Excellence Arbre, Inrae GrandEst-Nancy, Champenoux, France
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- Kohler, Annegret (författare)
- Université De Lorraine, Inrae, Umr Interactions Arbres/Microorganismes, Laboratory Of Excellence Arbre, Inrae GrandEst-Nancy, Champenoux, France
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- Martin, Francis (författare)
- Université De Lorraine, Inrae, Umr Interactions Arbres/Microorganismes, Laboratory Of Excellence Arbre, Inrae GrandEst-Nancy, Champenoux, France
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- Street, Nathaniel R., 1979- (författare)
- Umeå universitet,Institutionen för fysiologisk botanik,Umeå Plant Science Centre (UPSC)
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- Bhalerao, Rishikesh P. (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skoglig genetik och växtfysiologi,Department of Forest Genetics and Plant Physiology
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- Legué, Valérie (författare)
- Université De Lorraine, Inrae, Umr Interactions Arbres/Microorganismes, Laboratory Of Excellence Arbre, Inrae GrandEst-Nancy, Champenoux, France; Université Clermont Auvergne, Inrae, Umr 547 Piaf, Clermont-Ferrand, France
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- Bellini, Catherine, 1962- (författare)
- Umeå universitet,Institutionen för fysiologisk botanik,Umeå Plant Science Centre (UPSC),Université Paris-Saclay, Inrae, AgroParisTech, Institut Jean-Pierre Bourgin (IJPB), Versailles, France
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(creator_code:org_t)
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- 2022-03-24
- 2022
- Engelska.
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Ingår i: Journal of Experimental Botany. - : Oxford University Press. - 0022-0957 .- 1460-2431. ; 73:12, s. 4046-4064
- Relaterad länk:
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https://doi.org/10.1...
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https://umu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://res.slu.se/i...
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Abstract
Ämnesord
Stäng
- Recalcitrant adventitious root (AR) development is a major hurdle in propagating commercially important woody plants. Although significant progress has been made to identify genes involved in subsequent steps of AR development, the molecular basis of differences in apparent recalcitrance to form AR between easy-to-root and difficult-to-root genotypes remains unknown. To address this, we generated cambium tissue-specific transcriptomic data from stem cuttings of hybrid aspen, T89 (difficult-to-root) and hybrid poplar OP42 (easy-to-root), and used transgenic approaches to verify the role of several transcription factors in the control of adventitious rooting. Increased peroxidase activity was positively correlated with better rooting. We found differentially expressed genes encoding reactive oxygen species scavenging proteins to be enriched in OP42 compared with T89. A greater number of differentially expressed transcription factors in cambium cells of OP42 compared with T89 was revealed by a more intense transcriptional reprograming in the former. PtMYC2, a potential negative regulator, was less expressed in OP42 compared with T89. Using transgenic approaches, we demonstrated that PttARF17.1 and PttMYC2.1 negatively regulate adventitious rooting. Our results provide insights into the molecular basis of genotypic differences in AR and implicate differential expression of the master regulator MYC2 as a critical player in this process.
Ämnesord
- NATURVETENSKAP -- Biologi -- Botanik (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Botany (hsv//eng)
- NATURVETENSKAP -- Biologi -- Biokemi och molekylärbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Biochemistry and Molecular Biology (hsv//eng)
Nyckelord
- Adventitious roots
- cambium
- hybrid aspen
- hybrid poplar
- Populus spp
- stem cuttings
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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Ranjan, Alok
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Perrone, Irene
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Alallaq, Sanaria ...
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Singh, Rajesh
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Rigal, Adeline
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Brunoni, Federic ...
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Chitarra, Walter
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Guinet, Frederic
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Kohler, Annegret
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Martin, Francis
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Street, Nathanie ...
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Bhalerao, Rishik ...
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Legué, Valérie
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Bellini, Catheri ...
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- NATURVETENSKAP
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Umeå universitet
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