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dc.date.accessioned 2022-02-11T17:00:39Z
dc.date.available 2022-02-11T17:00:39Z
dc.date.issued 2020
dc.identifier.uri http://sedici.unlp.edu.ar/handle/10915/130954
dc.description.abstract The aim of this study was to evaluate the effect of riboflavin supplementation of culture medium on conidial UV-A tolerance of M. acridum (Driver & Milner) (Hypocreales: Clavicipitaceae) and M. robertsii (Bischoff, Rehner & Humber) (Hypocreales: Clavicipitaceae). These fungi were produced on culture medium supplemented, or not supplemented, with riboflavin. Relative germination and expression patterns of some photoprotection-related genes were evaluated after irradiating with artificial UV-A, or with filtered solar radiation (> 320 nm; UV-A and visible radiation). M. acridum conidia harvested from riboflavin-supplemented culture medium demonstrated enhanced UV-A tolerance when irradiated with artificial UV-A. Nevertheless, relative germination of conidia of both species produced on riboflavin-supplemented medium and exposed to filtered solar radiation was significantly higher than those produced on medium not supplemented with riboflavin. Riboflavin increased the transcription of photolyases, laccases and polyketide synthase genes. However, each fungal species induced different genes patterns involved in DNA repair and photoprotection. The addition of riboflavin to the substrate used for mass production of Metarhizium spp. and the resulting enhancement of conidial tolerance to solar radiation may improve the effectiveness of these fungi in biological control programs. en
dc.format.extent 211-222 es
dc.language en es
dc.subject Biological control es
dc.subject Entomopathogenic fungi es
dc.subject Fungal UV tolerance es
dc.subject Photoprotection es
dc.subject Photoreactivation es
dc.subject Vitamin B2 es
dc.title Metarhizium robertsii and M. acridum conidia produced on riboflavin-supplemented medium have increased UV-A tolerance and upregulated photoprotection and photoreactivation genes en
dc.type Articulo es
sedici.identifier.other doi:10.1007/s10526-019-09990-w es
sedici.identifier.issn 1386-6141 es
sedici.identifier.issn 1573-8248 es
sedici.creator.person Huarte Bonnet, Carla es
sedici.creator.person Pereira Junior, Ronaldo Alves es
sedici.creator.person Santos da Paixão, Flávia Regina es
sedici.creator.person Braga, Gilberto U.L. es
sedici.creator.person Roberts, Donald W. es
sedici.creator.person Luz, Christian es
sedici.creator.person Pedrini, Nicolás es
sedici.creator.person Fernandes, Éverton K. K. es
sedici.subject.materias Biología es
sedici.description.fulltext true es
mods.originInfo.place Instituto de Investigaciones Bioquímicas de La Plata es
sedici.subtype Articulo es
sedici.rights.license Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
sedici.rights.uri http://creativecommons.org/licenses/by-nc-sa/4.0/
sedici.description.peerReview peer-review es
sedici.relation.journalTitle BioControl es
sedici.relation.journalVolumeAndIssue vol. 65, no. 2 es


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