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Niñoles R, Planes D, Arjona P, Ruiz-Pastor C, Chazarra R, Renard J, Bueso E, Forment J, Serrano R, Kranner I, Roach T, Gadea J. Comparative analysis of wild-type accessions reveals novel determinants of Arabidopsis seed longevity. Plant Cell Environ 2022; 45:2708-2728. [PMID: 35672914 DOI: 10.1111/pce.14374] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [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: 01/07/2022] [Revised: 04/27/2022] [Accepted: 06/01/2022] [Indexed: 06/15/2023]
Abstract
Understanding the genetic factors involved in seed longevity is of paramount importance in agricultural and ecological contexts. The polygenic nature of this trait suggests that many of them remain undiscovered. Here, we exploited the contrasting seed longevity found amongst Arabidopsis thaliana accessions to further understand this phenomenon. Concentrations of glutathione were higher in longer-lived than shorter-lived accessions, supporting that redox poise plays a prominent role in seed longevity. However, high seed permeability, normally associated with shorter longevity, is also present in long-lived accessions. Dry seed transcriptome analysis indicated that the contribution to longevity of stored messenger RNA (mRNAs) is complex, including mainly accession-specific mechanisms. The detrimental effect on longevity caused by other factors may be counterbalanced by higher levels of specific mRNAs stored in dry seeds, for instance those of heat-shock proteins. Indeed, loss-of-function mutant analysis demonstrated that heat-shock factors HSF1A and 1B contributed to longevity. Furthermore, mutants of the stress-granule zinc-finger protein TZF9 or the spliceosome subunits MOS4 or MAC3A/MAC3B, extended seed longevity, positioning RNA as a novel player in the regulation of seed viability. mRNAs of proteins with putative relevance to longevity were also abundant in shorter-lived accessions, reinforcing the idea that resistance to ageing is determined by multiple factors.
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Affiliation(s)
- Regina Niñoles
- Department of Stress, Instituto de Biología Molecular y Celular de Plantas (IBMCP), Ciudad Politécnica de la Innovación (CPI), Universitat Politècnica de València (UPV)-Consejo Superior de Investigaciones Científicas (CSIC), Valencia, Spain
| | - Dolores Planes
- Department of Stress, Instituto de Biología Molecular y Celular de Plantas (IBMCP), Ciudad Politécnica de la Innovación (CPI), Universitat Politècnica de València (UPV)-Consejo Superior de Investigaciones Científicas (CSIC), Valencia, Spain
| | - Paloma Arjona
- Department of Stress, Instituto de Biología Molecular y Celular de Plantas (IBMCP), Ciudad Politécnica de la Innovación (CPI), Universitat Politècnica de València (UPV)-Consejo Superior de Investigaciones Científicas (CSIC), Valencia, Spain
| | - Carmen Ruiz-Pastor
- Department of Stress, Instituto de Biología Molecular y Celular de Plantas (IBMCP), Ciudad Politécnica de la Innovación (CPI), Universitat Politècnica de València (UPV)-Consejo Superior de Investigaciones Científicas (CSIC), Valencia, Spain
| | - Rubén Chazarra
- Department of Stress, Instituto de Biología Molecular y Celular de Plantas (IBMCP), Ciudad Politécnica de la Innovación (CPI), Universitat Politècnica de València (UPV)-Consejo Superior de Investigaciones Científicas (CSIC), Valencia, Spain
| | - Joan Renard
- Department of Stress, Instituto de Biología Molecular y Celular de Plantas (IBMCP), Ciudad Politécnica de la Innovación (CPI), Universitat Politècnica de València (UPV)-Consejo Superior de Investigaciones Científicas (CSIC), Valencia, Spain
| | - Eduardo Bueso
- Department of Stress, Instituto de Biología Molecular y Celular de Plantas (IBMCP), Ciudad Politécnica de la Innovación (CPI), Universitat Politècnica de València (UPV)-Consejo Superior de Investigaciones Científicas (CSIC), Valencia, Spain
| | - Javier Forment
- Department of Stress, Instituto de Biología Molecular y Celular de Plantas (IBMCP), Ciudad Politécnica de la Innovación (CPI), Universitat Politècnica de València (UPV)-Consejo Superior de Investigaciones Científicas (CSIC), Valencia, Spain
| | - Ramón Serrano
- Department of Stress, Instituto de Biología Molecular y Celular de Plantas (IBMCP), Ciudad Politécnica de la Innovación (CPI), Universitat Politècnica de València (UPV)-Consejo Superior de Investigaciones Científicas (CSIC), Valencia, Spain
| | - Ilse Kranner
- Department of Botany and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innsbruck, Austria
| | - Thomas Roach
- Department of Botany and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innsbruck, Austria
| | - José Gadea
- Department of Stress, Instituto de Biología Molecular y Celular de Plantas (IBMCP), Ciudad Politécnica de la Innovación (CPI), Universitat Politècnica de València (UPV)-Consejo Superior de Investigaciones Científicas (CSIC), Valencia, Spain
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Sánchez-Nieto B, Expósito MR, Terrón JA, Paiusco M, Cagni E, Ghetti C, Filice S, Grishchuk D, Mateos JC, Roselló J, Planes D, Nã Ñez L, Sánchez-Doblado F. SU-E-T-466: TCP and NTCP: Is That All? Med Phys 2012; 39:3812. [PMID: 28517456 DOI: 10.1118/1.4735555] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
PURPOSE Concerns about the secondary cancer risks associated to the peripheral neutron and photon contamination in photon modern radiotherapy (RT) techniques (e.g., Intensity Modulated RT -IMRT- or Intensity Modulated Arc Therapy -IMAT) have been widely raised. Benefits in terms of better tumor coverage have to be balanced against the drawbacks of poorer organ at risk sparing and secondary cancer risk in order to make the decision on the optimum treatment technique. The aim of this study was to develop a tool which estimates treatment success taking into consideration the neutron secondary cancer probability. METHODS A methodology and benchmark dataset for radiotherapy real time assessment of patient neutron dose and application to a novel digital detector (DD) has been carried out (submitted to PMB, 2011). Our DD provides real time neutron equivalent dose distribution in relevant organs along the patient. This information, together with TCP and NTCP estimated from the DVH of target and organs at risks, respectively, have been built into a general biological model which allows us to evaluate the success of the treatments (Sánchez-Nieto et al., ESTRO meeting 2012). This model has been applied to make estimation of treatment success in a variety of treatment techniques (3DCRT, forward and inverse IMRT, RapidArc, Volumetric Modulated Arc Therapy and Helical Tomotherapy) to low and high energy. RESULTS MU-demanding techniques at high energies were able to deliver treatment plans with the highest complicated-free tumour control. Nevertheless, neutron peripheral dose must be taken into consideration as the associated risk could be of the same order of magnitude than the usually considered NTCPs. CONCLUSIONS The methodology developed to provide an online organ neutron peripheral dose can be successfully combined with biological models to make predictions on treatment success taking into consideration secondary cancer risks.
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Affiliation(s)
- B Sánchez-Nieto
- Departamento de Física, Pontificia Universidad Católica de Chile, Santiago, Chile.,Departamento de Fisiología Médica y Biofísica, Universidad de Sevilla, Sevilla, Spain.,Hospital Universitario Virgen Macarena, Sevilla, Spain.,Arcispedale S. Maria Nuova, Reggio Emilia, Italy.,Azienda Ospedaliero-Universitaria, Parma, Italy.,Russian Research Center for Radiology and Surgical Technology, Saint Petersburg, Russia.,Hospital Duques del Infantado, Sevilla, Spain.,ERESA, Valencia, Spain.,Departamento de Fisiología, Universidad de Valencia, Spain.,Servicio de Radiofísica, Hospital Puerta de Hierro, Majadahonda, Spain
| | - M R Expósito
- Departamento de Física, Pontificia Universidad Católica de Chile, Santiago, Chile.,Departamento de Fisiología Médica y Biofísica, Universidad de Sevilla, Sevilla, Spain.,Hospital Universitario Virgen Macarena, Sevilla, Spain.,Arcispedale S. Maria Nuova, Reggio Emilia, Italy.,Azienda Ospedaliero-Universitaria, Parma, Italy.,Russian Research Center for Radiology and Surgical Technology, Saint Petersburg, Russia.,Hospital Duques del Infantado, Sevilla, Spain.,ERESA, Valencia, Spain.,Departamento de Fisiología, Universidad de Valencia, Spain.,Servicio de Radiofísica, Hospital Puerta de Hierro, Majadahonda, Spain
| | - J A Terrón
- Departamento de Física, Pontificia Universidad Católica de Chile, Santiago, Chile.,Departamento de Fisiología Médica y Biofísica, Universidad de Sevilla, Sevilla, Spain.,Hospital Universitario Virgen Macarena, Sevilla, Spain.,Arcispedale S. Maria Nuova, Reggio Emilia, Italy.,Azienda Ospedaliero-Universitaria, Parma, Italy.,Russian Research Center for Radiology and Surgical Technology, Saint Petersburg, Russia.,Hospital Duques del Infantado, Sevilla, Spain.,ERESA, Valencia, Spain.,Departamento de Fisiología, Universidad de Valencia, Spain.,Servicio de Radiofísica, Hospital Puerta de Hierro, Majadahonda, Spain
| | - M Paiusco
- Departamento de Física, Pontificia Universidad Católica de Chile, Santiago, Chile.,Departamento de Fisiología Médica y Biofísica, Universidad de Sevilla, Sevilla, Spain.,Hospital Universitario Virgen Macarena, Sevilla, Spain.,Arcispedale S. Maria Nuova, Reggio Emilia, Italy.,Azienda Ospedaliero-Universitaria, Parma, Italy.,Russian Research Center for Radiology and Surgical Technology, Saint Petersburg, Russia.,Hospital Duques del Infantado, Sevilla, Spain.,ERESA, Valencia, Spain.,Departamento de Fisiología, Universidad de Valencia, Spain.,Servicio de Radiofísica, Hospital Puerta de Hierro, Majadahonda, Spain
| | - E Cagni
- Departamento de Física, Pontificia Universidad Católica de Chile, Santiago, Chile.,Departamento de Fisiología Médica y Biofísica, Universidad de Sevilla, Sevilla, Spain.,Hospital Universitario Virgen Macarena, Sevilla, Spain.,Arcispedale S. Maria Nuova, Reggio Emilia, Italy.,Azienda Ospedaliero-Universitaria, Parma, Italy.,Russian Research Center for Radiology and Surgical Technology, Saint Petersburg, Russia.,Hospital Duques del Infantado, Sevilla, Spain.,ERESA, Valencia, Spain.,Departamento de Fisiología, Universidad de Valencia, Spain.,Servicio de Radiofísica, Hospital Puerta de Hierro, Majadahonda, Spain
| | - C Ghetti
- Departamento de Física, Pontificia Universidad Católica de Chile, Santiago, Chile.,Departamento de Fisiología Médica y Biofísica, Universidad de Sevilla, Sevilla, Spain.,Hospital Universitario Virgen Macarena, Sevilla, Spain.,Arcispedale S. Maria Nuova, Reggio Emilia, Italy.,Azienda Ospedaliero-Universitaria, Parma, Italy.,Russian Research Center for Radiology and Surgical Technology, Saint Petersburg, Russia.,Hospital Duques del Infantado, Sevilla, Spain.,ERESA, Valencia, Spain.,Departamento de Fisiología, Universidad de Valencia, Spain.,Servicio de Radiofísica, Hospital Puerta de Hierro, Majadahonda, Spain
| | - S Filice
- Departamento de Física, Pontificia Universidad Católica de Chile, Santiago, Chile.,Departamento de Fisiología Médica y Biofísica, Universidad de Sevilla, Sevilla, Spain.,Hospital Universitario Virgen Macarena, Sevilla, Spain.,Arcispedale S. Maria Nuova, Reggio Emilia, Italy.,Azienda Ospedaliero-Universitaria, Parma, Italy.,Russian Research Center for Radiology and Surgical Technology, Saint Petersburg, Russia.,Hospital Duques del Infantado, Sevilla, Spain.,ERESA, Valencia, Spain.,Departamento de Fisiología, Universidad de Valencia, Spain.,Servicio de Radiofísica, Hospital Puerta de Hierro, Majadahonda, Spain
| | - D Grishchuk
- Departamento de Física, Pontificia Universidad Católica de Chile, Santiago, Chile.,Departamento de Fisiología Médica y Biofísica, Universidad de Sevilla, Sevilla, Spain.,Hospital Universitario Virgen Macarena, Sevilla, Spain.,Arcispedale S. Maria Nuova, Reggio Emilia, Italy.,Azienda Ospedaliero-Universitaria, Parma, Italy.,Russian Research Center for Radiology and Surgical Technology, Saint Petersburg, Russia.,Hospital Duques del Infantado, Sevilla, Spain.,ERESA, Valencia, Spain.,Departamento de Fisiología, Universidad de Valencia, Spain.,Servicio de Radiofísica, Hospital Puerta de Hierro, Majadahonda, Spain
| | - J C Mateos
- Departamento de Física, Pontificia Universidad Católica de Chile, Santiago, Chile.,Departamento de Fisiología Médica y Biofísica, Universidad de Sevilla, Sevilla, Spain.,Hospital Universitario Virgen Macarena, Sevilla, Spain.,Arcispedale S. Maria Nuova, Reggio Emilia, Italy.,Azienda Ospedaliero-Universitaria, Parma, Italy.,Russian Research Center for Radiology and Surgical Technology, Saint Petersburg, Russia.,Hospital Duques del Infantado, Sevilla, Spain.,ERESA, Valencia, Spain.,Departamento de Fisiología, Universidad de Valencia, Spain.,Servicio de Radiofísica, Hospital Puerta de Hierro, Majadahonda, Spain
| | - J Roselló
- Departamento de Física, Pontificia Universidad Católica de Chile, Santiago, Chile.,Departamento de Fisiología Médica y Biofísica, Universidad de Sevilla, Sevilla, Spain.,Hospital Universitario Virgen Macarena, Sevilla, Spain.,Arcispedale S. Maria Nuova, Reggio Emilia, Italy.,Azienda Ospedaliero-Universitaria, Parma, Italy.,Russian Research Center for Radiology and Surgical Technology, Saint Petersburg, Russia.,Hospital Duques del Infantado, Sevilla, Spain.,ERESA, Valencia, Spain.,Departamento de Fisiología, Universidad de Valencia, Spain.,Servicio de Radiofísica, Hospital Puerta de Hierro, Majadahonda, Spain
| | - D Planes
- Departamento de Física, Pontificia Universidad Católica de Chile, Santiago, Chile.,Departamento de Fisiología Médica y Biofísica, Universidad de Sevilla, Sevilla, Spain.,Hospital Universitario Virgen Macarena, Sevilla, Spain.,Arcispedale S. Maria Nuova, Reggio Emilia, Italy.,Azienda Ospedaliero-Universitaria, Parma, Italy.,Russian Research Center for Radiology and Surgical Technology, Saint Petersburg, Russia.,Hospital Duques del Infantado, Sevilla, Spain.,ERESA, Valencia, Spain.,Departamento de Fisiología, Universidad de Valencia, Spain.,Servicio de Radiofísica, Hospital Puerta de Hierro, Majadahonda, Spain
| | - L Nã Ñez
- Departamento de Física, Pontificia Universidad Católica de Chile, Santiago, Chile.,Departamento de Fisiología Médica y Biofísica, Universidad de Sevilla, Sevilla, Spain.,Hospital Universitario Virgen Macarena, Sevilla, Spain.,Arcispedale S. Maria Nuova, Reggio Emilia, Italy.,Azienda Ospedaliero-Universitaria, Parma, Italy.,Russian Research Center for Radiology and Surgical Technology, Saint Petersburg, Russia.,Hospital Duques del Infantado, Sevilla, Spain.,ERESA, Valencia, Spain.,Departamento de Fisiología, Universidad de Valencia, Spain.,Servicio de Radiofísica, Hospital Puerta de Hierro, Majadahonda, Spain
| | - F Sánchez-Doblado
- Departamento de Física, Pontificia Universidad Católica de Chile, Santiago, Chile.,Departamento de Fisiología Médica y Biofísica, Universidad de Sevilla, Sevilla, Spain.,Hospital Universitario Virgen Macarena, Sevilla, Spain.,Arcispedale S. Maria Nuova, Reggio Emilia, Italy.,Azienda Ospedaliero-Universitaria, Parma, Italy.,Russian Research Center for Radiology and Surgical Technology, Saint Petersburg, Russia.,Hospital Duques del Infantado, Sevilla, Spain.,ERESA, Valencia, Spain.,Departamento de Fisiología, Universidad de Valencia, Spain.,Servicio de Radiofísica, Hospital Puerta de Hierro, Majadahonda, Spain
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