Sabater Muñoz, Beatriz
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- PublicationThe Role of Ancestral Duplicated Genes in Adaptation to Growth on Lactate, a Non-Fermentable Carbon Source for the Yeast Saccharomyces cerevisiae(MDPI AG, 2021-11) Mattenberger, Florian; Fares Riaño, Mario Ali; Toft, Christina; Sabater Muñoz, Beatriz; Generalitat Valenciana; European Regional Development Fund; Ministerio de Economía y Competitividad[EN] The cell central metabolism has been shaped throughout evolutionary times when facing challenges from the availability of resources. In the budding yeast, Saccharomyces cerevisiae, a set of duplicated genes originating from an ancestral whole-genome and several coetaneous small-scale duplication events drive energy transfer through glucose metabolism as the main carbon source either by fermentation or respiration. These duplicates (~a third of the genome) have been dated back to approximately 100 MY, allowing for enough evolutionary time to diverge in both sequence and function. Gene duplication has been proposed as a molecular mechanism of biological innovation, maintaining balance between mutational robustness and evolvability of the system. However, some questions concerning the molecular mechanisms behind duplicated genes transcriptional plasticity and functional divergence remain unresolved. In this work we challenged S. cerevisiae to the use of lactic acid/lactate as the sole carbon source and performed a small adaptive laboratory evolution to this non-fermentative carbon source, determining phenotypic and transcriptomic changes. We observed growth adaptation to acidic stress, by reduction of growth rate and increase in biomass production, while the transcriptomic response was mainly driven by repression of the whole-genome duplicates, those implied in glycolysis and overexpression of ROS response. The contribution of several duplicated pairs to this carbon source switch and acidic stress is also discussed.
- PublicationProceedings of the 8th International Symposium on Fruit Flies of Economic Importance(Editorial Universitat Politècnica de València, 2010-10-01) Sabater Muñoz, Beatriz; Navarro Llopis, Vicente; Urbaneja García, Alberto; Instituto Agroforestal MediterráneoThis book contains a summary of oral communications and posters presented in the 8th International Symposium on Fruit Flies of Economic Importance all together with 35 extensive papers, the final Scientific program, poster list and missed poster abstracts (from the Abstract book (ISBN 978-84-693-4446-0). Published papers were subjected to peer-review prior its acceptance. The 35 papers were presented during this event, the 8th ISFFEI, either as oral presentation or as poster, and are grouped according to their presentation session as: Biology, Ecology and Behaviour (S1); Morphology and Taxonomy (S2); Genetics and Evolution (S3); Risk assessment, quarantine and post-harvest treatments (S4); Principles and Application of the Sterile Insect Technique (SIT) (S5); Area-wide control Programs (S6); Natural Enemies and Biocontrol (S7); and Chemical Ecology, Attractants and other Control Methods (S8).
- Publication8th International Symposium on fruit flies of economic importance(Editorial Universitat Politècnica de València, 2010-09-25) Sabater Muñoz, Beatriz; Urbaneja García, Alberto; Navarro Llopis, Vicente; Instituto Agroforestal Mediterráneo
- PublicationA Minor Role of Host Fruit on the Parasitic Performance of Aganaspis daci (Hymenoptera: Figitidae) on Medfly Larvae(MDPI, 2021-04) de Pedro, Luis; Harbi, Ahlem; Tormos, José; Sabater Muñoz, Beatriz; Beitia, Francisco; Ministerio de Ciencia e Innovación; Ministerio de Educación, Cultura y Deporte; Institut Valencià d'Investigacions Agràries; Agencia Española de Cooperación Internacional para el Desarrollo; Ministère de l'Enseignement Supérieur et de la Recherche Scientifique, Túnez[EN] The medfly, Ceratitis capitata, is one of the main pests of citrus and other fruits worldwide. One of the most promising parasitoids for the control of this pest is Aganaspis daci, which has been recently discovered in the Mediterranean Basin. The development of fruit pests is strongly affected by the host fruit and this is also expected to affect the parasitic performance of their natural enemies. Therefore, in this study, we measured both the olfactory and parasitic response of female Aganaspis daci to different fruit species that can host medfly larvae. This parasitoid was more attracted to apples and uninfested fruit and showed very similar parasitic activity among the different tested fruits. However, the parasitic performance differed significantly depending on the environmental conditions under which the assays were conducted, showing good results in the laboratory and a much poorer performance in greenhouse trials. We conclude that A. daci may be a good candidate to control the medfly in a range of different crops, but only when climatic conditions allow normal activity of this species. Host fruit is known to strongly affect the performance of both fruit pests and their potential natural enemies. This is particularly important in the control of tephritid fruit flies, whose larvae develop inside the fruit and thus create a set of foraging problems for parasitoids. In the present study, we assessed the response of female Aganaspis daci (Weld) (Hymenoptera: Figitidae), one of the most promising parasitoids for tephritid biocontrol in the Mediterranean Basin, to different potential host fruit species. We measured the olfactory response to medfly-infested and uninfested fruits, and several biological parameters of A. daci when different infested fruits were offered under both laboratory and greenhouse conditions. Our results showed that this parasitoid was significantly more attracted to apples and uninfested fruit. Moreover, parasitic activity was similar among the tested fruits under both conditions, showing very high values in the laboratory and a much poorer performance when conditions were variable. This suggests that A. daci may be a good candidate to be included in mass releases against the medfly regardless of the affected crop, but only when climate conditions are not expected to hinder its normal activity.
- PublicationDNA Barcoding and Phylogeny of Acari Species Based on ITS and COI Markers(Blackwell Publishing, 2022-06-21) Pérez-Sayas, Consuelo; Pina, Tatiana; Sabater Muñoz, Beatriz; Gómez-Martínez, María Antonia; Jaques, Josep A.; Hurtado-Ruiz, Mónica A.; Universitat Jaume I; Ministerio de Economía y Competitividad[EN] Acari harbor numerous minute species of agricultural economic importance, mainly Tetranychidae and Phytoseiidae. Great efforts have been established by means of recovering morphological, molecular, and phylogenetic traits for species identification. Traditional identification still relies on external diagnostic characters, which are limited and usually exhibit large phenotypic plasticity within the species, rendering them useless for species delimitation and identification. We decided to increase the number of sequences of the Acari mitochondrial COI (Cytochrome C oxidase I) marker and ITS nuclear ribosomal DNA region for species identification in Tetranychidae and Phytoseiidae. The molecular data allow us to establish species boundaries and phylogenetic relationships among several clades of Acari, mainly Tetranychidae and Phytoseiidae. Sequence comparisons between complete COI and the Acari mitochondrial COI, ITS1-5,8S-ITS2, and ITS2 among all Acari sequences have demonstrated that the selected regions, even small, gave enough informative positions for both species' identification and phylogenetic studies. Analyses of both DNA regions have unveiled their use as species identification characters, with special emphasis on Acari mitochondrial COI for Tetranychidae and Phytoseiidae species in comparison with the Folmer fragment, which has been universally used as a barcode marker. We demonstrated that the Acari mitochondrial COI region is also a suitable marker to establish a barcode dataset for Acari identification. Our phylogenetic analyses are congruent with other recent works, showing that Acari is a monophyletic group, of which Astigmata, Ixodida, Mesostigmata, Oribatida, and Prostigmata are also monophyletic.