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Krasnoperova EY, Tvorogova VE, Smirnov KV, Efremova EP, Potsenkovskaia EA, Artemiuk AM, Konstantinov ZS, Simonova VY, Brynchikova AV, Yakovleva DV, Pavlova DB, Lutova LA. MtWOX2 and MtWOX9-1 Effects on the Embryogenic Callus Transcriptome in Medicago truncatula. PLANTS (BASEL, SWITZERLAND) 2023; 13:102. [PMID: 38202410 PMCID: PMC10780917 DOI: 10.3390/plants13010102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 12/19/2023] [Accepted: 12/27/2023] [Indexed: 01/12/2024]
Abstract
WOX family transcription factors are well-known regulators of plant development, controlling cell proliferation and differentiation in diverse organs and tissues. Several WOX genes have been shown to participate in regeneration processes which take place in plant cell cultures in vitro, but the effects of most of them on tissue culture development have not been discovered yet. In this study, we evaluated the effects of MtWOX2 gene overexpression on the embryogenic callus development and transcriptomic state in Medicago truncatula. According to our results, overexpression of MtWOX2 leads to an increase in callus weight. Furthermore, transcriptomic changes in MtWOX2 overexpressing calli are, to a large extent, opposite to the changes caused by overexpression of MtWOX9-1, a somatic embryogenesis stimulator. These results add new information about the mechanisms of interaction between different WOX genes and can be useful for the search of new regeneration regulators.
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Affiliation(s)
- Elizaveta Y. Krasnoperova
- Department of Genetics and Biotechnology, Saint Petersburg State University, 7/9 Universitetskaya Emb, 199034 St. Petersburg, Russia; (E.Y.K.); (E.P.E.); (E.A.P.); (A.M.A.); (D.V.Y.); (D.B.P.); (L.A.L.)
| | - Varvara E. Tvorogova
- Department of Genetics and Biotechnology, Saint Petersburg State University, 7/9 Universitetskaya Emb, 199034 St. Petersburg, Russia; (E.Y.K.); (E.P.E.); (E.A.P.); (A.M.A.); (D.V.Y.); (D.B.P.); (L.A.L.)
- Plant Biology and Biotechnology Department, Sirius University of Science and Technology, 1 Olympic Avenue, 354340 Sochi, Russia; (Z.S.K.); (V.Y.S.); (A.V.B.)
- Center for Genetic Technologies, N. I. Vavilov All-Russian Institute of Plant Genetic Resources (VIR), 42 Bolshaya Morskaya Street, 190000 St. Petersburg, Russia
| | - Kirill V. Smirnov
- All-Russia Research Institute for Agricultural Microbiology, Podbelsky Chausse 3, Pushkin, 196608 St. Petersburg, Russia;
| | - Elena P. Efremova
- Department of Genetics and Biotechnology, Saint Petersburg State University, 7/9 Universitetskaya Emb, 199034 St. Petersburg, Russia; (E.Y.K.); (E.P.E.); (E.A.P.); (A.M.A.); (D.V.Y.); (D.B.P.); (L.A.L.)
| | - Elina A. Potsenkovskaia
- Department of Genetics and Biotechnology, Saint Petersburg State University, 7/9 Universitetskaya Emb, 199034 St. Petersburg, Russia; (E.Y.K.); (E.P.E.); (E.A.P.); (A.M.A.); (D.V.Y.); (D.B.P.); (L.A.L.)
- Plant Biology and Biotechnology Department, Sirius University of Science and Technology, 1 Olympic Avenue, 354340 Sochi, Russia; (Z.S.K.); (V.Y.S.); (A.V.B.)
- Center for Genetic Technologies, N. I. Vavilov All-Russian Institute of Plant Genetic Resources (VIR), 42 Bolshaya Morskaya Street, 190000 St. Petersburg, Russia
| | - Anastasia M. Artemiuk
- Department of Genetics and Biotechnology, Saint Petersburg State University, 7/9 Universitetskaya Emb, 199034 St. Petersburg, Russia; (E.Y.K.); (E.P.E.); (E.A.P.); (A.M.A.); (D.V.Y.); (D.B.P.); (L.A.L.)
| | - Zakhar S. Konstantinov
- Plant Biology and Biotechnology Department, Sirius University of Science and Technology, 1 Olympic Avenue, 354340 Sochi, Russia; (Z.S.K.); (V.Y.S.); (A.V.B.)
| | - Veronika Y. Simonova
- Plant Biology and Biotechnology Department, Sirius University of Science and Technology, 1 Olympic Avenue, 354340 Sochi, Russia; (Z.S.K.); (V.Y.S.); (A.V.B.)
| | - Anna V. Brynchikova
- Plant Biology and Biotechnology Department, Sirius University of Science and Technology, 1 Olympic Avenue, 354340 Sochi, Russia; (Z.S.K.); (V.Y.S.); (A.V.B.)
| | - Daria V. Yakovleva
- Department of Genetics and Biotechnology, Saint Petersburg State University, 7/9 Universitetskaya Emb, 199034 St. Petersburg, Russia; (E.Y.K.); (E.P.E.); (E.A.P.); (A.M.A.); (D.V.Y.); (D.B.P.); (L.A.L.)
| | - Daria B. Pavlova
- Department of Genetics and Biotechnology, Saint Petersburg State University, 7/9 Universitetskaya Emb, 199034 St. Petersburg, Russia; (E.Y.K.); (E.P.E.); (E.A.P.); (A.M.A.); (D.V.Y.); (D.B.P.); (L.A.L.)
| | - Ludmila A. Lutova
- Department of Genetics and Biotechnology, Saint Petersburg State University, 7/9 Universitetskaya Emb, 199034 St. Petersburg, Russia; (E.Y.K.); (E.P.E.); (E.A.P.); (A.M.A.); (D.V.Y.); (D.B.P.); (L.A.L.)
- Plant Biology and Biotechnology Department, Sirius University of Science and Technology, 1 Olympic Avenue, 354340 Sochi, Russia; (Z.S.K.); (V.Y.S.); (A.V.B.)
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Conifer Biotechnology: An Overview. FORESTS 2022. [DOI: 10.3390/f13071061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
The peculiar characteristics of conifers determine the difficulty of their study and their great importance from various points of view. However, their study faces numerous important scientific, methodological, cultural, economic, social, and legal challenges. This paper presents an approach to several of those challenges and proposes a multidisciplinary scientific perspective that leads to a holistic understanding of conifers from the perspective of the latest technical, computer, and scientific advances. This review highlights the deep connection that all scientific contributions to conifers can have in each other as fully interrelated communicating vessels.
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Alves A, Confraria A, Lopes S, Costa B, Perdiguero P, Milhinhos A, Baena-González E, Correia S, Miguel CM. miR160 Interacts in vivo With Pinus pinaster AUXIN RESPONSE FACTOR 18 Target Site and Negatively Regulates Its Expression During Conifer Somatic Embryo Development. FRONTIERS IN PLANT SCIENCE 2022; 13:857611. [PMID: 35371172 PMCID: PMC8965291 DOI: 10.3389/fpls.2022.857611] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 02/21/2022] [Indexed: 06/14/2023]
Abstract
MicroRNAs (miRNAs) are key regulators of several plant developmental processes including embryogenesis. Most miRNA families are conserved across major groups of plant species, but their regulatory roles have been studied mainly in model species like Arabidopsis and other angiosperms. In gymnosperms, miRNA-dependent regulation has been less studied since functional approaches in these species are often difficult to establish. Given the fundamental roles of auxin signaling in somatic embryogenesis (SE) induction and embryo development, we investigated a previously predicted interaction between miR160 and a putative target encoding AUXIN RESPONSE FACTOR 18 in Pinus pinaster (PpARF18) embryonic tissues. Phylogenetic analysis of AUXIN RESPONSE FACTOR 18 (ARF18) from Pinus pinaster and Picea abies, used here as a model system of conifer embryogenesis, showed their close relatedness to AUXIN RESPONSE FACTOR (ARF) genes known to be targeted by miR160 in other species, including Arabidopsis ARF10 and ARF16. By using a luciferase (LUC) reporter system for miRNA activity in Arabidopsis protoplasts, we have confirmed that P. pinaster miR160 (ppi-miR160) interacts in vivo with PpARF18 target site. When the primary miR160 from P. pinaster was overexpressed in protoplasts under non-limiting levels of ARGONAUTE1, a significant increase of miR160 target cleavage activity was observed. In contrast, co-expression of the primary miRNA and the target mimic MIM160 led to a decrease of miR160 activity. Our results further support that this interaction is functional during consecutive stages of SE in the conifer model P. abies. Expression analyses conducted in five stages of development, from proembryogenic masses (PEMs) to the mature embryo, show that conifer ARF18 is negatively regulated by miR160 toward the fully developed mature embryo when miR160 reached its highest expression level. This study reports the first in vivo validation of a predicted target site of a conifer miRNA supporting the conservation of miR160 interaction with ARF targets in gymnosperms. The approach used here should be useful for future characterization of miRNA functions in conifer embryogenesis.
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Affiliation(s)
- Ana Alves
- Faculty of Sciences, BioISI—Biosystems and Integrative Sciences Institute, University of Lisbon, Lisbon, Portugal
| | - Ana Confraria
- Instituto Gulbenkian de Ciência, Oeiras, Portugal
- GREEN-IT Bioresources for Sustainability, ITQB NOVA, Oeiras, Portugal
| | - Susana Lopes
- Faculty of Sciences, BioISI—Biosystems and Integrative Sciences Institute, University of Lisbon, Lisbon, Portugal
- GREEN-IT Bioresources for Sustainability, ITQB NOVA, Oeiras, Portugal
| | - Bruno Costa
- Faculty of Sciences, BioISI—Biosystems and Integrative Sciences Institute, University of Lisbon, Lisbon, Portugal
- INESC-ID, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - Pedro Perdiguero
- Department of Genetics, Physiology and Microbiology, Faculty of Biological Sciences, Complutense University of Madrid (UCM), Madrid, Spain
| | - Ana Milhinhos
- Faculty of Sciences, BioISI—Biosystems and Integrative Sciences Institute, University of Lisbon, Lisbon, Portugal
- GREEN-IT Bioresources for Sustainability, ITQB NOVA, Oeiras, Portugal
| | - Elena Baena-González
- Instituto Gulbenkian de Ciência, Oeiras, Portugal
- GREEN-IT Bioresources for Sustainability, ITQB NOVA, Oeiras, Portugal
| | - Sandra Correia
- Department of Life Sciences, Centre for Functional Ecology, University of Coimbra, Coimbra, Portugal
| | - Célia M. Miguel
- Faculty of Sciences, BioISI—Biosystems and Integrative Sciences Institute, University of Lisbon, Lisbon, Portugal
- Instituto de Biologia Experimental e Tecnológica, Oeiras, Portugal
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Ranade SS, Egertsdotter U. Correction to: In silico characterization of putative gene homologues involved in somatic embryogenesis suggests that some conifer species may lack LEC2, one of the key regulators of initiation of the process. BMC Genomics 2021; 22:515. [PMID: 34233626 PMCID: PMC8261941 DOI: 10.1186/s12864-021-07813-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Affiliation(s)
- Sonali Sachin Ranade
- Department of Forest Genetics and Plant Physiology, Umeå Plant Science Center (UPSC), Swedish University of Agricultural Science (SLU), 901 83, Umeå, Sweden.
| | - Ulrika Egertsdotter
- Department of Forest Genetics and Plant Physiology, Umeå Plant Science Center (UPSC), Swedish University of Agricultural Science (SLU), 901 83, Umeå, Sweden
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