The role of melanin in the grapevine trunk disease pathogen Lasiodiplodia gilanensis
Lasiodiplodia (Botryosphaeriaceae) includes fungi that are considered among the most aggressive to grapevine, capable of causing cankers and necrotic lesions which eventually lead to death of host plants. A common characteristic of this genus is the presence of melanin in conidia and mycelium. Me...
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| Formato: | Artículo |
| Lenguaje: | Inglés |
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Firenze University Press
2021
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| Acceso en línea: | http://hdl.handle.net/20.500.12123/9129 https://oajournals.fupress.net/index.php/pm/article/view/11685 https://doi.org/10.14601/Phyto-11685 |
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| author | Rangel Montoya, Edelweiss Airam Paolinelli, Marcos Rolshausen, Philippe Hernandez Martinez, Rufina |
| author2 | Mediterranean Phytopathological Union |
| author_browse | Hernandez Martinez, Rufina Mediterranean Phytopathological Union Paolinelli, Marcos Rangel Montoya, Edelweiss Airam Rolshausen, Philippe |
| author_facet | Mediterranean Phytopathological Union Rangel Montoya, Edelweiss Airam Paolinelli, Marcos Rolshausen, Philippe Hernandez Martinez, Rufina |
| author_sort | Rangel Montoya, Edelweiss Airam |
| collection | INTA Digital |
| description | Lasiodiplodia (Botryosphaeriaceae) includes fungi that are considered
among the most aggressive to grapevine, capable of causing cankers and necrotic
lesions which eventually lead to death of host plants. A common characteristic of this
genus is the presence of melanin in conidia and mycelium. Melanin is produced by
the oxidation of phenolic and/or indolic compounds. For some fungi, this pigment is
an essential factor for pathogenicity. This study characterized the types and the roles
of melanin produced by Lasiodiplodia gilanensis. Using specific melanin inhibitors, L.
gilanensis was shown to synthesize DOPA-melanin, DHN-melanin, and pyomelanin.
DOPA-melanin was shown to be involved in production of aerial mycelium and protection
against enzymatic lysis and oxidative stress; DHN-melanin to be involved in
ramification of mycelium when exposed to nutrient deficiency; and pyomelanin to be
related with hyphae development. The fungus used tyrosine as a precursor of DOPAmelanin
and as carbon and nitrogen sources, and produced melanin inside the piths
of infected plants. Genes involved in melanin synthesis were conserved among the
Botryosphaeriaceae, highlighting the importance of melanin in this family. |
| format | Artículo |
| id | INTA9129 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2021 |
| publishDateRange | 2021 |
| publishDateSort | 2021 |
| publisher | Firenze University Press |
| publisherStr | Firenze University Press |
| record_format | dspace |
| spelling | INTA91292021-04-19T18:45:27Z The role of melanin in the grapevine trunk disease pathogen Lasiodiplodia gilanensis Rangel Montoya, Edelweiss Airam Paolinelli, Marcos Rolshausen, Philippe Hernandez Martinez, Rufina Mediterranean Phytopathological Union Melanins Grapevines Plant Diseases Fungal Diseases Tyrosine Catabolism Trunks Melaninas Vid Enfermedades de las Plantas Botryosphaeria Enfermedades Fungosas Tirosina Catabolismo Tronco Lasiodiplodia Gilanensis Botryosphaeria Dieback Lasiodiplodia (Botryosphaeriaceae) includes fungi that are considered among the most aggressive to grapevine, capable of causing cankers and necrotic lesions which eventually lead to death of host plants. A common characteristic of this genus is the presence of melanin in conidia and mycelium. Melanin is produced by the oxidation of phenolic and/or indolic compounds. For some fungi, this pigment is an essential factor for pathogenicity. This study characterized the types and the roles of melanin produced by Lasiodiplodia gilanensis. Using specific melanin inhibitors, L. gilanensis was shown to synthesize DOPA-melanin, DHN-melanin, and pyomelanin. DOPA-melanin was shown to be involved in production of aerial mycelium and protection against enzymatic lysis and oxidative stress; DHN-melanin to be involved in ramification of mycelium when exposed to nutrient deficiency; and pyomelanin to be related with hyphae development. The fungus used tyrosine as a precursor of DOPAmelanin and as carbon and nitrogen sources, and produced melanin inside the piths of infected plants. Genes involved in melanin synthesis were conserved among the Botryosphaeriaceae, highlighting the importance of melanin in this family. EEA Mendoza Fil: Rangel Montoya, Edelweiss Airam. Centro de Investigación Científica y de Educación Superior de Ensenada (CICESE). Departamento de Microbiología; México Fil: Paolinelli, Marcos. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Mendoza; Argentina Fil: Paolinelli, Marcos. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina; Argentina Fil: Rolshausen, Philippe. University of California Riverside. Department of Botany and Plant Sciences; Estados Unidos Fil: Hernandez Martinez, Rufina. Centro de Investigación Científica y de Educación Superior de Ensenada (CICESE). Departamento de Microbiología; México 2021-04-19T18:36:49Z 2021-04-19T18:36:49Z 2020-12 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/9129 https://oajournals.fupress.net/index.php/pm/article/view/11685 E. A. Rangel-Montoya, M. Paolinelli, P. Rolshausen, R. Hernan-dez-Martinez (2020) The role of mela-nin in the grapevine trunk disease pathogen Lasiodiplodia gilanensis. Phytopathologia Mediterranea 59(3): 549-563. doi: 10.14601/Phyto-11685 0031-9465 1593-2095 (Online) https://doi.org/10.14601/Phyto-11685 eng info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf Firenze University Press Phytopathologia mediterranea 59 (3) : 549-563. (2020) |
| spellingShingle | Melanins Grapevines Plant Diseases Fungal Diseases Tyrosine Catabolism Trunks Melaninas Vid Enfermedades de las Plantas Botryosphaeria Enfermedades Fungosas Tirosina Catabolismo Tronco Lasiodiplodia Gilanensis Botryosphaeria Dieback Rangel Montoya, Edelweiss Airam Paolinelli, Marcos Rolshausen, Philippe Hernandez Martinez, Rufina The role of melanin in the grapevine trunk disease pathogen Lasiodiplodia gilanensis |
| title | The role of melanin in the grapevine trunk disease pathogen Lasiodiplodia gilanensis |
| title_full | The role of melanin in the grapevine trunk disease pathogen Lasiodiplodia gilanensis |
| title_fullStr | The role of melanin in the grapevine trunk disease pathogen Lasiodiplodia gilanensis |
| title_full_unstemmed | The role of melanin in the grapevine trunk disease pathogen Lasiodiplodia gilanensis |
| title_short | The role of melanin in the grapevine trunk disease pathogen Lasiodiplodia gilanensis |
| title_sort | role of melanin in the grapevine trunk disease pathogen lasiodiplodia gilanensis |
| topic | Melanins Grapevines Plant Diseases Fungal Diseases Tyrosine Catabolism Trunks Melaninas Vid Enfermedades de las Plantas Botryosphaeria Enfermedades Fungosas Tirosina Catabolismo Tronco Lasiodiplodia Gilanensis Botryosphaeria Dieback |
| url | http://hdl.handle.net/20.500.12123/9129 https://oajournals.fupress.net/index.php/pm/article/view/11685 https://doi.org/10.14601/Phyto-11685 |
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