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Tardieu F, Varshney RK, Tuberosa R. Improving crop performance under drought - cross-fertilization of disciplines. JOURNAL OF EXPERIMENTAL BOTANY 2017; 68:1393-1398. [PMID: 28338855 PMCID: PMC5444440 DOI: 10.1093/jxb/erx042] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Affiliation(s)
| | - Rajeev K Varshney
- Research Programme - Genetic Gains, International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Patancheru-502 324, India
| | - Roberto Tuberosa
- Department of Agricultural Sciences, Viale Fanin 44, 40127 Bologna, Italy
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Raines C, Traynor M, Ingram J. Experimental botany in 2017. JOURNAL OF EXPERIMENTAL BOTANY 2017; 68:347-349. [PMID: 28201652 PMCID: PMC5444439 DOI: 10.1093/jxb/erw504] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Affiliation(s)
- Christine Raines
- Editor in Chief, Journal of Experimental BotanyDepartment of Biological Sciences, University of Essex, Colchester, UK
| | - Mary Traynor
- Executive Editor, Journal of Experimental BotanyBailrigg House, Lancaster University, Lancaster, UK
| | - Jonathan Ingram
- Senior Commissioning Editor/ Science Writer, Journal of Experimental BotanyBailrigg House, Lancaster University, Lancaster, UK
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Murphy E, Vu LD, Van den Broeck L, Lin Z, Ramakrishna P, van de Cotte B, Gaudinier A, Goh T, Slane D, Beeckman T, Inzé D, Brady SM, Fukaki H, De Smet I. RALFL34 regulates formative cell divisions in Arabidopsis pericycle during lateral root initiation. JOURNAL OF EXPERIMENTAL BOTANY 2016; 67:4863-75. [PMID: 27521602 PMCID: PMC4983113 DOI: 10.1093/jxb/erw281] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
In plants, many signalling molecules, such as phytohormones, miRNAs, transcription factors, and small signalling peptides, drive growth and development. However, very few small signalling peptides have been shown to be necessary for lateral root development. Here, we describe the role of the peptide RALFL34 during early events in lateral root development, and demonstrate its specific importance in orchestrating formative cell divisions in the pericycle. Our results further suggest that this small signalling peptide acts on the transcriptional cascade leading to a new lateral root upstream of GATA23, an important player in lateral root formation. In addition, we describe a role for ETHYLENE RESPONSE FACTORs (ERFs) in regulating RALFL34 expression. Taken together, we put forward RALFL34 as a new, important player in lateral root initiation.
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Affiliation(s)
- Evan Murphy
- Division of Plant and Crop Sciences, School of Biosciences, University of Nottingham, Loughborough LE12 5RD, UK
| | - Lam Dai Vu
- Department of Plant Systems Biology, VIB, B-9052 Ghent, Belgium Department of Plant Biotechnology and Bioinformatics, Ghent University, B-9052 Ghent, Belgium Department of Medical Protein Research, VIB, 9000 Ghent, Belgium Department of Biochemistry, Ghent University, 9000 Ghent, Belgium
| | - Lisa Van den Broeck
- Department of Plant Systems Biology, VIB, B-9052 Ghent, Belgium Department of Plant Biotechnology and Bioinformatics, Ghent University, B-9052 Ghent, Belgium
| | - Zhefeng Lin
- Division of Plant and Crop Sciences, School of Biosciences, University of Nottingham, Loughborough LE12 5RD, UK
| | - Priya Ramakrishna
- Division of Plant and Crop Sciences, School of Biosciences, University of Nottingham, Loughborough LE12 5RD, UK
| | - Brigitte van de Cotte
- Division of Plant and Crop Sciences, School of Biosciences, University of Nottingham, Loughborough LE12 5RD, UK Department of Plant Systems Biology, VIB, B-9052 Ghent, Belgium
| | - Allison Gaudinier
- Department of Plant Biology and Genome Center, University of California Davis, One Shields Avenue, Davis, CA 95616, USA
| | - Tatsuaki Goh
- Department of Biology, Graduate School of Science, Kobe University, Kobe 657-8501, Japan
| | - Daniel Slane
- Department of Cell Biology, Max Planck Institute for Developmental Biology, D- 72076 Tübingen, Germany
| | - Tom Beeckman
- Department of Plant Systems Biology, VIB, B-9052 Ghent, Belgium Department of Plant Biotechnology and Bioinformatics, Ghent University, B-9052 Ghent, Belgium
| | - Dirk Inzé
- Department of Plant Systems Biology, VIB, B-9052 Ghent, Belgium Department of Plant Biotechnology and Bioinformatics, Ghent University, B-9052 Ghent, Belgium
| | - Siobhan M Brady
- Department of Plant Biology and Genome Center, University of California Davis, One Shields Avenue, Davis, CA 95616, USA
| | - Hidehiro Fukaki
- Department of Biology, Graduate School of Science, Kobe University, Kobe 657-8501, Japan
| | - Ive De Smet
- Division of Plant and Crop Sciences, School of Biosciences, University of Nottingham, Loughborough LE12 5RD, UK Department of Plant Systems Biology, VIB, B-9052 Ghent, Belgium Department of Plant Biotechnology and Bioinformatics, Ghent University, B-9052 Ghent, Belgium Centre for Plant Integrative Biology, University of Nottingham, Loughborough LE12 5RD, UK
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