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Abelenda JA, Barrero-Gil J. ABA signaling branches out: emerging ABA-related signaling functions in Solanum tuberosum. J Exp Bot 2023; 74:6405-6408. [PMID: 37988178 PMCID: PMC10662223 DOI: 10.1093/jxb/erad395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Indexed: 11/23/2023]
Abstract
This article comments on:Liu T, Dong L, Wang E, Liu S, Cheng Y, Zhao J, Xu S, Liang Z, Ma H, Nie B, Song B. 2023. StHAB1, a negative regulatory factor in abscisic acid signaling, plays crucial roles in potato drought tolerance and shoot branching. Journal of Experimental Botany 74, 6708–6721.
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Affiliation(s)
- José A Abelenda
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM) – Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA)/CSIC, Campus Montegancedo UPM, Pozuelo de Alarcón (Madrid), Madrid, Spain
| | - Javier Barrero-Gil
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM) – Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA)/CSIC, Campus Montegancedo UPM, Pozuelo de Alarcón (Madrid), Madrid, Spain
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2
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Abelenda JA, Trabanco N, Del Olmo I, Pozas J, Martín-Trillo MDM, Gómez-Garrido J, Esteve-Codina A, Pernas M, Jarillo JA, Piñeiro M. High ambient temperature impacts on flowering time in Brassica napus through both H2A.Z-dependent and independent mechanisms. Plant Cell Environ 2023; 46:1427-1441. [PMID: 36575647 DOI: 10.1111/pce.14526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 12/05/2022] [Accepted: 12/26/2022] [Indexed: 06/17/2023]
Abstract
Knowledge concerning the integration of genetic pathways mediating the responses to environmental cues controlling flowering initiation in crops is scarce. Here, we reveal the diversity in oilseed rape (OSR) flowering response to high ambient temperature. Using a set of different spring OSR varieties, we found a consistent flowering delay at elevated temperatures. Remarkably, one of the varieties assayed exhibited the opposite behaviour. Several FT-like paralogs are plausible candidates to be part of the florigen in OSR. We revealed that BnaFTA2 plays a major role in temperature-dependent flowering initiation. Analysis of the H2A.Z histone variant occupancy at this locus in different Brassica napus varieties produced contrasting results, suggesting the involvement of additional molecular mechanisms in BnaFTA2 repression at high ambient temperature. Moreover, BnARP6 RNAi plants showed little accumulation of H2A.Z at high temperature while maintaining temperature sensitivity and delayed flowering. Furthermore, we found that H3K4me3 present in BnaFTA2 under inductive flowering conditions is reduced at high temperature, suggesting a role for this hallmark of transcriptionally active chromatin in the OSR flowering response to warming. Our work emphasises the plasticity of flowering responses in B. napus and offers venues to optimise this process in crop species grown under suboptimal environmental conditions.
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Affiliation(s)
- José A Abelenda
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM) - Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA)/CSIC, Campus Montegancedo UPM, Madrid, Spain
| | - Noemí Trabanco
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM) - Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA)/CSIC, Campus Montegancedo UPM, Madrid, Spain
| | - Iván Del Olmo
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM) - Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA)/CSIC, Campus Montegancedo UPM, Madrid, Spain
| | - Jenifer Pozas
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM) - Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA)/CSIC, Campus Montegancedo UPM, Madrid, Spain
| | - María Del Mar Martín-Trillo
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM) - Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA)/CSIC, Campus Montegancedo UPM, Madrid, Spain
- Dpto. de CC. Ambientales-Área de Fisiología Vegetal, Universidad de Castilla-La Mancha, Toledo, Spain
| | - Jessica Gómez-Garrido
- CNAG-CRG, Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), Barcelona, Spain
| | - Anna Esteve-Codina
- CNAG-CRG, Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), Barcelona, Spain
| | - Mónica Pernas
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM) - Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA)/CSIC, Campus Montegancedo UPM, Madrid, Spain
| | - José A Jarillo
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM) - Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA)/CSIC, Campus Montegancedo UPM, Madrid, Spain
| | - Manuel Piñeiro
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM) - Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA)/CSIC, Campus Montegancedo UPM, Madrid, Spain
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3
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Ramírez Gonzales L, Shi L, Bergonzi SB, Oortwijn M, Franco‐Zorrilla JM, Solano‐Tavira R, Visser RGF, Abelenda JA, Bachem CWB. Potato CYCLING DOF FACTOR 1 and its lncRNA counterpart StFLORE link tuber development and drought response. Plant J 2021; 105:855-869. [PMID: 33220113 PMCID: PMC7985872 DOI: 10.1111/tpj.15093] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 11/09/2020] [Indexed: 05/12/2023]
Abstract
Plants regulate their reproductive cycles under the influence of environmental cues, such as day length, temperature and water availability. In Solanum tuberosum (potato), vegetative reproduction via tuberization is known to be regulated by photoperiod, in a very similar way to flowering. The central clock output transcription factor CYCLING DOF FACTOR 1 (StCDF1) was shown to regulate tuberization. We now show that StCDF1, together with a long non-coding RNA (lncRNA) counterpart, named StFLORE, also regulates water loss through affecting stomatal growth and diurnal opening. Both natural and CRISPR-Cas9 mutations in the StFLORE transcript produce plants with increased sensitivity to water-limiting conditions. Conversely, elevated expression of StFLORE, both by the overexpression of StFLORE or by the downregulation of StCDF1, results in an increased tolerance to drought through reducing water loss. Although StFLORE appears to act as a natural antisense transcript, it is in turn regulated by the StCDF1 transcription factor. We further show that StCDF1 is a non-redundant regulator of tuberization that affects the expression of two other members of the potato StCDF gene family, as well as StCO genes, through binding to a canonical sequence motif. Taken together, we demonstrate that the StCDF1-StFLORE locus is important for vegetative reproduction and water homeostasis, both of which are important traits for potato plant breeding.
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MESH Headings
- Adaptation, Physiological
- Dehydration
- Gene Expression Regulation, Plant
- Plant Proteins/genetics
- Plant Proteins/metabolism
- Plant Proteins/physiology
- Plant Tubers/growth & development
- Plant Tubers/metabolism
- Plant Tubers/physiology
- Promoter Regions, Genetic
- RNA, Antisense/metabolism
- RNA, Antisense/physiology
- RNA, Long Noncoding/genetics
- RNA, Long Noncoding/metabolism
- RNA, Long Noncoding/physiology
- RNA, Plant/genetics
- RNA, Plant/metabolism
- RNA, Plant/physiology
- Solanum tuberosum/genetics
- Solanum tuberosum/growth & development
- Solanum tuberosum/metabolism
- Solanum tuberosum/physiology
- Transcription Factors/genetics
- Transcription Factors/metabolism
- Transcription Factors/physiology
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Affiliation(s)
| | - Li Shi
- Plant BreedingWageningen University & ResearchPO Box 386Wageningen6700 AJthe Netherlands
| | - Sara Bergonzi Bergonzi
- Plant BreedingWageningen University & ResearchPO Box 386Wageningen6700 AJthe Netherlands
| | - Marian Oortwijn
- Plant BreedingWageningen University & ResearchPO Box 386Wageningen6700 AJthe Netherlands
| | - José M. Franco‐Zorrilla
- Departamento de Genética Molecular de PlantasCentro Nacional de Biotecnología – CSICMadrid28049Spain
| | - Roberto Solano‐Tavira
- Departamento de Genética Molecular de PlantasCentro Nacional de Biotecnología – CSICMadrid28049Spain
| | - Richard G. F. Visser
- Plant BreedingWageningen University & ResearchPO Box 386Wageningen6700 AJthe Netherlands
| | - José A. Abelenda
- Centro de Biotecnología y Genómica de PlantasUniversidad Politécnica de Madrid (UPM)Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA)Madrid28040Spain
| | - Christian W. B. Bachem
- Plant BreedingWageningen University & ResearchPO Box 386Wageningen6700 AJthe Netherlands
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4
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Abelenda JA, Bergonzi S, Oortwijn M, Sonnewald S, Du M, Visser RGF, Sonnewald U, Bachem CWB. Source-Sink Regulation Is Mediated by Interaction of an FT Homolog with a SWEET Protein in Potato. Curr Biol 2019; 29:1178-1186.e6. [PMID: 30905604 DOI: 10.1016/j.cub.2019.02.018] [Citation(s) in RCA: 91] [Impact Index Per Article: 18.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Revised: 12/18/2018] [Accepted: 02/05/2019] [Indexed: 12/22/2022]
Abstract
Potato plants form tuberous storage organs on underground modified stems called stolons. Tubers are rich in starch, proteins, and other important nutrients, making potato one of the most important staple food crops. The timing of tuber development in wild potato is regulated by day length through a mechanism that is closely related to floral transition [1, 2]. Tuberization is also known to be regulated by the availability of assimilates, in particular sucrose, the transported form of sugar, required for starch synthesis. During the onset of tuber development, the mode of sucrose unloading switches from apoplastic to symplastic [3]. Here, we show that this switch may be mediated by the interaction between the tuberization-specific FT homolog StSP6A and the sucrose efflux transporter StSWEET11 [4]. The binding of StSP6A to StSWEET11 blocked the leakage of sucrose to the apoplast, and is therefore likely to promote symplastic sucrose transport. The direct physical interaction between StSWEET11 and StSP6A proteins represents a link between the sugar and photoperiodic pathways for the regulation of potato tuber formation. Our data suggest that a previously undiscovered function for the FT family of proteins extends their role as mobile signals to mediators of source-sink partitioning, opening the possibility for modifying source-sink interactions.
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Affiliation(s)
- José A Abelenda
- Plant Breeding, Wageningen University & Research, P.O. Box 386, 6700 AJ Wageningen, the Netherlands
| | - Sara Bergonzi
- Plant Breeding, Wageningen University & Research, P.O. Box 386, 6700 AJ Wageningen, the Netherlands
| | - Marian Oortwijn
- Plant Breeding, Wageningen University & Research, P.O. Box 386, 6700 AJ Wageningen, the Netherlands
| | - Sophia Sonnewald
- Division of Biochemistry, Department of Biology, University of Erlangen-Nuremberg, Staudtstrasse 5, 91058 Erlangen, Germany
| | - Miru Du
- Plant Breeding, Wageningen University & Research, P.O. Box 386, 6700 AJ Wageningen, the Netherlands; Inner Mongolia Potato Engineering & Technology Research Centre, Inner Mongolia University, West College Road 235, Hohhot 010021, China
| | - Richard G F Visser
- Plant Breeding, Wageningen University & Research, P.O. Box 386, 6700 AJ Wageningen, the Netherlands
| | - Uwe Sonnewald
- Division of Biochemistry, Department of Biology, University of Erlangen-Nuremberg, Staudtstrasse 5, 91058 Erlangen, Germany
| | - Christian W B Bachem
- Plant Breeding, Wageningen University & Research, P.O. Box 386, 6700 AJ Wageningen, the Netherlands.
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5
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Plantenga FDM, Bergonzi S, Abelenda JA, Bachem CWB, Visser RGF, Heuvelink E, Marcelis LFM. The tuberization signal StSP6A represses flower bud development in potato. J Exp Bot 2019; 70:937-948. [PMID: 30481308 DOI: 10.1093/jxb/ery420] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Accepted: 11/21/2018] [Indexed: 06/09/2023]
Abstract
Potato (Solanum tuberosum L.) can reproduce sexually through flowering and asexually through tuberization. While tuberization has been thoroughly studied, little research has been done on potato flowering. Flower bud development in the strictly short-day tuberizing S. tuberosum group Andigena is impaired under short-day conditions. This impaired development may indicate that tuberization negatively influences flowering. Here, we determine how tuberization affects flower bud development. To find out whether the absence of tubers improves flowering, we prevented tuberization by: (i) grafting potato scions onto wild potato rootstocks, which were unable to form tubers; (ii) removing stolons, the underground structures on which tubers form; and (iii) using plants that were silenced in the tuberization signal StSP6A. Additionally, transgenic plants with increased StSP6A expression were used to determine if flower bud development was impaired. The absence of a tuber sink alone did not accelerate flower bud development, nor did it allow more plants to reach anthesis (open flowering stage) or have more open flowers. Interestingly, reducing StSP6A expression improved flower bud development, and increasing expression impaired it. Our results show that flower bud development in potato is repressed by the tuberization signal StSP6A, and not by competition with the underground tuber sink.
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Affiliation(s)
- Faline D M Plantenga
- Horticulture and Product Physiology, Wageningen University & Research, Wageningen, The Netherlands
| | - Sara Bergonzi
- Plant Breeding, Wageningen University & Research, Wageningen, The Netherlands
| | - José A Abelenda
- Plant Breeding, Wageningen University & Research, Wageningen, The Netherlands
| | | | - Richard G F Visser
- Plant Breeding, Wageningen University & Research, Wageningen, The Netherlands
| | - Ep Heuvelink
- Horticulture and Product Physiology, Wageningen University & Research, Wageningen, The Netherlands
| | - Leo F M Marcelis
- Horticulture and Product Physiology, Wageningen University & Research, Wageningen, The Netherlands
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6
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Abelenda JA, Cruz-Oró E, Franco-Zorrilla JM, Prat S. Potato StCONSTANS-like1 Suppresses Storage Organ Formation by Directly Activating the FT-like StSP5G Repressor. Curr Biol 2016; 26:872-81. [PMID: 26972319 DOI: 10.1016/j.cub.2016.01.066] [Citation(s) in RCA: 72] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2015] [Revised: 01/20/2016] [Accepted: 01/26/2016] [Indexed: 11/18/2022]
Abstract
The CONSTANS-FT pathway defines a core module for reproductive transition in both long-day (LD) and short-day (SD) plants. Changes in the transcriptional function of the CONSTANS (CO) protein have been proposed to mediate differential SD activation of FLOWERING LOCUS T (FT) orthologs in SD plants. Potato Andigena genotypes have an obligate SD requirement for tuber formation, and this photoperiodic response correlates with activation of the FT StSP6A gene in leaves. The potato StCOL1 factor represses expression of this mobile tuberization signal, but the control mechanism is poorly understood. Here, we analyzed StCOL1 diurnal oscillation and protein accumulation at different photoperiods and light wavelengths. We observed that the potato StCOL1 gene peaked at dawn and that, in contrast to the Arabidopsis AtCO homolog, the light receptor phyB is necessary for protein stabilization in the light. Reduced StCOL1 levels in RNAi lines strongly correlated with downregulated expression of an additional potato FT family member, StSP5G. Co-regulated StCOL1 and StSP5G expression suggested that StCOL1 activates this target directly rather than controlling StSP6A expression. By hybridization of a universal protein-binding microarray, we established that StCOL1 binds a TGTGGT element, and we found that immunoprecipitated StCOL1 protein fractions were enriched in StSP5G promoter fragments bearing this element. We show that StSP5G represses tuberization in LD conditions and that this FT-like homolog suppresses StSP6A gene expression. Rewiring StCOL1 transcriptional function from direct activation of the StSP6A inducer signal to the control of an FT-like repressor thus mediates the strict SD requirement of Andigena plants for tuberization.
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Affiliation(s)
- José A Abelenda
- Department of Plant Molecular Genetics, Centro Nacional de Biotecnología-CSIC, Campus de Cantoblanco, Darwin 3, 28049 Madrid, Spain
| | - Eduard Cruz-Oró
- Department of Plant Molecular Genetics, Centro Nacional de Biotecnología-CSIC, Campus de Cantoblanco, Darwin 3, 28049 Madrid, Spain
| | | | - Salomé Prat
- Department of Plant Molecular Genetics, Centro Nacional de Biotecnología-CSIC, Campus de Cantoblanco, Darwin 3, 28049 Madrid, Spain.
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7
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Abelenda JA, Navarro C, Prat S. Flowering and tuberization: a tale of two nightshades. Trends Plant Sci 2014; 19:115-22. [PMID: 24139978 DOI: 10.1016/j.tplants.2013.09.010] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2013] [Revised: 09/13/2013] [Accepted: 09/18/2013] [Indexed: 05/27/2023]
Abstract
The concept of florigen, postulated in the early 1930s, has taken form after the identification of the FLOWERING LOCUS T (FT) protein as the flowering-inducing signal. Besides their role in flowering, FT genes were subsequently reported to play additional functions in other biological processes. This is particularly relevant in the nightshades, where the FT genes appear to have undergone considerable expansion at the functional level and gained a new role in the control of storage organ formation in potato (Solanum tuberosum). Neofunctionalization of FT homologs in the nightshades identifies these proteins as a new class of primary signaling components that modulate development and organogenesis in these agronomic relevant species.
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Affiliation(s)
- José A Abelenda
- Departamento de Genética Molecular de Plantas, Centro Nacional de Biotecnología-Consejo Superior de Investigaciones Científicas (CSIC) Campus de Cantoblanco, c/Darwin 3, 28049 Madrid, Spain
| | - Cristina Navarro
- Departamento de Genética Molecular de Plantas, Centro Nacional de Biotecnología-Consejo Superior de Investigaciones Científicas (CSIC) Campus de Cantoblanco, c/Darwin 3, 28049 Madrid, Spain
| | - Salomé Prat
- Departamento de Genética Molecular de Plantas, Centro Nacional de Biotecnología-Consejo Superior de Investigaciones Científicas (CSIC) Campus de Cantoblanco, c/Darwin 3, 28049 Madrid, Spain.
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Kloosterman B, Abelenda JA, Gomez MDMC, Oortwijn M, de Boer JM, Kowitwanich K, Horvath BM, van Eck HJ, Smaczniak C, Prat S, Visser RGF, Bachem CWB. Naturally occurring allele diversity allows potato cultivation in northern latitudes. Nature 2013; 495:246-50. [PMID: 23467094 DOI: 10.1038/nature11912] [Citation(s) in RCA: 208] [Impact Index Per Article: 18.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2012] [Accepted: 01/15/2013] [Indexed: 01/10/2023]
Abstract
Potato (Solanum tuberosum L.) originates from the Andes and evolved short-day-dependent tuber formation as a vegetative propagation strategy. Here we describe the identification of a central regulator underlying a major-effect quantitative trait locus for plant maturity and initiation of tuber development. We show that this gene belongs to the family of DOF (DNA-binding with one finger) transcription factors and regulates tuberization and plant life cycle length, by acting as a mediator between the circadian clock and the StSP6A mobile tuberization signal. We also show that natural allelic variants evade post-translational light regulation, allowing cultivation outside the geographical centre of origin of potato. Potato is a member of the Solanaceae family and is one of the world's most important food crops. This annual plant originates from the Andean regions of South America. Potato develops tubers from underground stems called stolons. Its equatorial origin makes potato essentially short-day dependent for tuberization and potato will not make tubers in the long-day conditions of spring and summer in the northern latitudes. When introduced in temperate zones, wild material will form tubers in the course of the autumnal shortening of day-length. Thus, one of the first selected traits in potato leading to a European potato type is likely to have been long-day acclimation for tuberization. Potato breeders can exploit the naturally occurring variation in tuberization onset and life cycle length, allowing varietal breeding for different latitudes, harvest times and markets.
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Affiliation(s)
- Bjorn Kloosterman
- Laboratory of Plant Breeding, Department of Plant Sciences, Wageningen-UR, PO Box 386, 6700 AJ Wageningen, The Netherlands
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9
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Abelenda JA, Navarro C, Prat S. From the model to the crop: genes controlling tuber formation in potato. Curr Opin Biotechnol 2010; 22:287-92. [PMID: 21168321 DOI: 10.1016/j.copbio.2010.11.013] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2010] [Revised: 11/25/2010] [Accepted: 11/25/2010] [Indexed: 12/15/2022]
Abstract
Photoperiod regulates many different developmental processes, including floral induction in several species and tuber formation in potato. Research in Arabidopsis led to the identification of FLOWERING LOCUS T (FT) as a main component of the florigen or mobile flowering promoting signal produced in the leaves. A similar mobile signal or tuberigen has been reported to induce tuber formation in potato, recent evidence obtained in our laboratory indicates that a potato homolog of FT encodes this signal. Flowering regulators, like CONSTANS and miR172, also play a role in tuberization, although it remains unclear whether these regulators function in identical pathways. Here, we highlight differential regulation of these genes in flowering and tuberization control and discuss on their possible tuberization-related function.
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Affiliation(s)
- José A Abelenda
- Dpto. de Genética Molecular de Plantas, Centro Nacional de Biotecnología-CSIC, Campus de Cantoblanco, c/Darwin 3, 28049 Madrid, Spain
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