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Conti G, Gardella V, Vandecaveye MA, Gomez CA, Joris G, Hauteville C, Burdyn L, Almasia NI, Nahirñak V, Vazquez-Rovere C, Gochez AM, Furman N, Lezcano CC, Kobayashi K, García ML, Canteros BI, Hopp HE, Reyes CA. Transgenic Citrange troyer rootstocks overexpressing antimicrobial potato Snakin-1 show reduced citrus canker disease symptoms. J Biotechnol 2020; 324:99-102. [PMID: 32998033 DOI: 10.1016/j.jbiotec.2020.09.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [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: 02/17/2020] [Revised: 07/31/2020] [Accepted: 09/14/2020] [Indexed: 01/06/2023]
Abstract
Citrus canker is a major disease caused by Xanthomonas citri pv. citri. Snakin-1 is an antimicrobial peptide, which was previously shown to be effective against different bacterial and fungal diseases in potato, wheat and lettuce when expressed in transgenic plants. We generated transgenic Citrange Troyer citrus rootstocks constitutively expressing this peptide and 5 different transgenic lines were challenged against virulent X. citri isolates. Challenge assays conducted in vitro using detached leaves and in planta by infiltration revealed a significant reduction of the number and size of canker lesions in some of the transgenic lines.
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Affiliation(s)
- G Conti
- Instituto de Agrobiotecnología y Biología Molecular (IABiMo), INTA-CONICET, Instituto de Biotecnología CICVyA-INTA, Hurlingham, Provincia de Buenos Aires, Argentina; Cátedra de Genética, Facultad de Agronomía, Universidad de Buenos Aires, Argentina
| | - V Gardella
- Instituto de Biotecnología y Biología Molecular, CCT-La Plata, CONICET - UNLP, La Plata, Provincia de Buenos Aires, Argentina
| | - M A Vandecaveye
- EEA Bella Vista, INTA, Bella Vista, Provincia de Corrientes, Argentina
| | - C A Gomez
- EEA Concordia, INTA, Concordia, Provincia de Entre Ríos, Argentina
| | - G Joris
- EEA Concordia, INTA, Concordia, Provincia de Entre Ríos, Argentina
| | - C Hauteville
- EEA Concordia, INTA, Concordia, Provincia de Entre Ríos, Argentina
| | - L Burdyn
- EEA Concordia, INTA, Concordia, Provincia de Entre Ríos, Argentina
| | - N I Almasia
- Instituto de Agrobiotecnología y Biología Molecular (IABiMo), INTA-CONICET, Instituto de Biotecnología CICVyA-INTA, Hurlingham, Provincia de Buenos Aires, Argentina
| | - V Nahirñak
- Instituto de Agrobiotecnología y Biología Molecular (IABiMo), INTA-CONICET, Instituto de Biotecnología CICVyA-INTA, Hurlingham, Provincia de Buenos Aires, Argentina
| | - C Vazquez-Rovere
- Instituto de Agrobiotecnología y Biología Molecular (IABiMo), INTA-CONICET, Instituto de Biotecnología CICVyA-INTA, Hurlingham, Provincia de Buenos Aires, Argentina
| | - A M Gochez
- EEA Bella Vista, INTA, Bella Vista, Provincia de Corrientes, Argentina
| | - N Furman
- Laboratorio de Agrobiotecnología, Facultad de Ciencias Exactas y Naturales, Departamento de Fisiología, Biología Molecular y Celular (FBMC), Universidad de Buenos Aires, Buenos Aires, Argentina; Instituto de Biodiversidad y Biología Experimental y Aplicada (IBBEA, CONICET-UBA, Buenos Aires, Argentina
| | - C C Lezcano
- EEA Bella Vista, INTA, Bella Vista, Provincia de Corrientes, Argentina
| | - K Kobayashi
- Laboratorio de Agrobiotecnología, Facultad de Ciencias Exactas y Naturales, Departamento de Fisiología, Biología Molecular y Celular (FBMC), Universidad de Buenos Aires, Buenos Aires, Argentina; Instituto de Biodiversidad y Biología Experimental y Aplicada (IBBEA, CONICET-UBA, Buenos Aires, Argentina
| | - M L García
- Instituto de Biotecnología y Biología Molecular, CCT-La Plata, CONICET - UNLP, La Plata, Provincia de Buenos Aires, Argentina
| | - B I Canteros
- EEA Bella Vista, INTA, Bella Vista, Provincia de Corrientes, Argentina
| | - H E Hopp
- Instituto de Agrobiotecnología y Biología Molecular (IABiMo), INTA-CONICET, Instituto de Biotecnología CICVyA-INTA, Hurlingham, Provincia de Buenos Aires, Argentina; Laboratorio de Agrobiotecnología, Facultad de Ciencias Exactas y Naturales, Departamento de Fisiología, Biología Molecular y Celular (FBMC), Universidad de Buenos Aires, Buenos Aires, Argentina
| | - C A Reyes
- Instituto de Biotecnología y Biología Molecular, CCT-La Plata, CONICET - UNLP, La Plata, Provincia de Buenos Aires, Argentina.
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Beracochea VC, Almasia NI, Peluffo L, Nahirñak V, Hopp EH, Paniego N, Heinz RA, Vazquez-Rovere C, Lia VV. Sunflower germin-like protein HaGLP1 promotes ROS accumulation and enhances protection against fungal pathogens in transgenic Arabidopsis thaliana. Plant Cell Rep 2015; 34:1717-33. [PMID: 26070410 DOI: 10.1007/s00299-015-1819-4] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [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: 11/11/2014] [Revised: 05/20/2015] [Accepted: 06/02/2015] [Indexed: 05/21/2023]
Abstract
The novel sunflower gene HaGLP1 is the first germin-like protein characterized from the family Asteraceae. It alters the host redox status and confers protection against Sclerotinia sclerotiorum and Rhizoctonia solani. Germin-like proteins (GLPs) are a large, diverse and ubiquitous family of plant glycoproteins belonging to the Cupin super family. These proteins have been widely studied because of their diverse roles in important plant processes, including defence. The novel sunflower gene HaGLP1 encodes the first germin-like protein characterized from the family Asteraceae. To analyse whether constitutive in vivo expression of the HaGLP1 gene may lead to disease tolerance, we developed transgenic Arabidopsis plants that were molecularly characterized and biologically assessed after inoculation with Sclerotinia sclerotiorum or Rhizoctonia solani. HaGLP1 expression in Arabidopsis plants conferred tolerance to S. sclerotiorum at the first stages of disease and interfered with R. solani infection, thus giving rise to significant protection against the latter. Furthermore, HaGLP1 expression in Arabidopsis plants elevated endogenous ROS levels. HaGLP1-induced tolerance does not appear to be related to a constitutive induction of the plant defence or the ROS-related genes examined here. In conclusion, our data suggest that HaGLP1 is an interesting candidate for the engineering of plants with increased fungal tolerance and that this gene could also be useful for the selection of naturally overexpressing sunflower genotypes for conventional breeding purposes.
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Affiliation(s)
- V C Beracochea
- Instituto de Biotecnología, CICVyA, Instituto Nacional de Tecnología Agropecuaria (INTA)-Castelar, Dr. Nicolás Repetto y De Los Reseros S/Nº (B1686IGC) Hurlingham, Buenos Aires, Provincia De Buenos Aires, Argentina
| | - N I Almasia
- Instituto de Biotecnología, CICVyA, Instituto Nacional de Tecnología Agropecuaria (INTA)-Castelar, Dr. Nicolás Repetto y De Los Reseros S/Nº (B1686IGC) Hurlingham, Buenos Aires, Provincia De Buenos Aires, Argentina
| | - L Peluffo
- Instituto de Biotecnología, CICVyA, Instituto Nacional de Tecnología Agropecuaria (INTA)-Castelar, Dr. Nicolás Repetto y De Los Reseros S/Nº (B1686IGC) Hurlingham, Buenos Aires, Provincia De Buenos Aires, Argentina
| | - V Nahirñak
- Instituto de Biotecnología, CICVyA, Instituto Nacional de Tecnología Agropecuaria (INTA)-Castelar, Dr. Nicolás Repetto y De Los Reseros S/Nº (B1686IGC) Hurlingham, Buenos Aires, Provincia De Buenos Aires, Argentina
| | - E H Hopp
- Instituto de Biotecnología, CICVyA, Instituto Nacional de Tecnología Agropecuaria (INTA)-Castelar, Dr. Nicolás Repetto y De Los Reseros S/Nº (B1686IGC) Hurlingham, Buenos Aires, Provincia De Buenos Aires, Argentina
- Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, (EHA1428), Buenos Aires, Argentina
| | - N Paniego
- Instituto de Biotecnología, CICVyA, Instituto Nacional de Tecnología Agropecuaria (INTA)-Castelar, Dr. Nicolás Repetto y De Los Reseros S/Nº (B1686IGC) Hurlingham, Buenos Aires, Provincia De Buenos Aires, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Av. Rivadavia 1917 (C1033AAJ), Ciudad Autónoma De Buenos Aires, Buenos Aires, Argentina
| | - R A Heinz
- Instituto de Biotecnología, CICVyA, Instituto Nacional de Tecnología Agropecuaria (INTA)-Castelar, Dr. Nicolás Repetto y De Los Reseros S/Nº (B1686IGC) Hurlingham, Buenos Aires, Provincia De Buenos Aires, Argentina
- Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, (EHA1428), Buenos Aires, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Av. Rivadavia 1917 (C1033AAJ), Ciudad Autónoma De Buenos Aires, Buenos Aires, Argentina
| | - C Vazquez-Rovere
- Instituto de Biotecnología, CICVyA, Instituto Nacional de Tecnología Agropecuaria (INTA)-Castelar, Dr. Nicolás Repetto y De Los Reseros S/Nº (B1686IGC) Hurlingham, Buenos Aires, Provincia De Buenos Aires, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Av. Rivadavia 1917 (C1033AAJ), Ciudad Autónoma De Buenos Aires, Buenos Aires, Argentina
| | - V V Lia
- Instituto de Biotecnología, CICVyA, Instituto Nacional de Tecnología Agropecuaria (INTA)-Castelar, Dr. Nicolás Repetto y De Los Reseros S/Nº (B1686IGC) Hurlingham, Buenos Aires, Provincia De Buenos Aires, Argentina.
- Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, (EHA1428), Buenos Aires, Argentina.
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Av. Rivadavia 1917 (C1033AAJ), Ciudad Autónoma De Buenos Aires, Buenos Aires, Argentina.
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