Mónica González
University of São Paulo
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Publication
Featured researches published by Mónica González.
Journal of Trace Elements in Medicine and Biology | 2011
Montserrat González-Estecha; Elena Trasobares; Manuel Fuentes; María José Martínez; Sara Cano; Nuria Vergara; María Jesús Gaspar; Joaquín González-Revaldería; María Carmen Barciela; Zoila Bugarín; María Dolores Fernández; Pilar Badía; Concepción Pintos; Mónica González; José Jesús Guillén; Pilar Bermejo; Cristina Fernández; Manuel Arroyo
INTRODUCTION Exposure to lead and cadmium is a public health problem due to the broad exposure to these toxic substances among the general population. The objective of this study is to determine blood lead and cadmium concentrations in a working population drawn from six university hospitals in Madrid, Getafe, Cartagena, Santiago de Compostela, Santander and Palma de Mallorca (Spain) and to identify associated factors. MATERIALS AND METHODS 951 individuals participated in the study and were administered the standardized PESA® questionnaire regarding exposure to lead and cadmium. The blood lead and cadmium concentrations were measured by electrothermal atomization atomic absorption spectrometry with Zeeman background correction in Perkin-Elmer spectrometers, guaranteeing the transferability of the results. RESULTS The median overall blood lead concentration was: 1.6 μg/dL (IQR: 0.9-2.7) and that of cadmium was: 0.21 μg/L (IQR: 0.10-0.50). There were significant differences in lead levels between men (2 μg/dL) and women (1.5 μg/dL), postmenopausal (2.6 μg/dL) and premenopausal women (1.1 μg/dL), and between participants who cooked in earthenware (2.1 μg/dL) and those who did not (1.5 μg/dL). The median of cadmium in women (0.24 μg/L) was higher than in men (0.11 μg/L) and was also higher in subjects who smoked (0.70 μg/L) than in non-smokers (0.13 μg/L). CONCLUSIONS A reduction in blood lead and cadmium levels was observed with respect to previous studies carried out in Spain. Nevertheless, the results suggest there are certain factors which increase risk such as age, gender, menopause, age of housing, cooking in lead-glazed earthenware and exposure to cigarette smoke.
Scientific Reports | 2017
Emilio Benitez; Daniel Paredes; Estefanía Rodríguez; Diana Aldana; Mónica González; Rogelio Nogales; Mercedes Campos; Beatriz Moreno
Below-ground soil microorganisms can modulate above-ground plant-insect interactions. It still needs to be determined whether this is a direct effect of single species or an indirect effect of shifts in soil microbial community assemblages. Evaluation of the soil microbiome as a whole is critical for understanding multi-trophic interactions, including those mediated by volatiles involving plants, herbivorous insects, predators/parasitoids and microorganisms. We implemented a regulated system comprising Nerium oleander plants grown in soil initially containing a sterile/non sterile inoculum, herbivore Aphis nerii and predator Chrysoperla carnea. After aphid attack, plants emitted a characteristic blend of volatiles derived from two biosynthetic classes: fatty acid catabolites and aromatic-derived products. Three aliphatic compounds were mainly detected in plants grown in the inoculated microbial soil, a blend which was preferentially chosen by C. carnea adult females. The contrasting effect of the initial inocula was attributed to the different microbial consortia developed in each treatment. We argue that differences in the relative abundance of the active microbial communities in the rhizosphere correlate with those in the emission of selected volatile compounds by attacked plants. The mechanisms involved in how the functional soil microbiome modulates inducible indirect defence of plants are discussed.
Insects | 2018
Belén Cotes; Mónica González; Emilio Benitez; Eva de Mas; Gemma Clemente-Orta; Mercedes Campos; Estefanía Rodríguez
The promotion of native vegetation as a habitat for natural enemies, which could increase their abundance and fitness, is especially useful in highly simplified settings such as Mediterranean greenhouse landscapes. Spiders as generalist predators may also be involved in intra-guild predation. However, the niche complementarity provided by spiders as a group means that increased spider diversity may facilitate complementary control actions. In this study, the interactions between spiders, the two major horticultural pests, Bemisia tabaci and Frankliniella occidentalis, and their naturally occurring predators and parasitoids were evaluated in a mix of 21 newly planted shrubs selected for habitat management in a highly disturbed horticultural system. The effects of all factors were evaluated using redundancy analysis (RDA) and the generalized additive model (GAM) to assess the statistical significance of abundance of spiders and pests. The GAM showed that the abundance of both pests had a significant effect on hunter spider’s abundance, whereas the abundance of B. tabaci, but not F. occidentalis, affected web-weavers’ abundance. Ordination analysis showed that spider abundance closely correlated with that of B. tabaci but not with that of F. occidentalis, suggesting that complementarity occurs, and thereby probability of biocontrol, with respect to the targeted pest B. tabaci, although the temporal patterns of the spiders differed from those of F. occidentalis. Conservation strategies involving the establishment of these native plants around greenhouses could be an effective way to reduce pest populations outdoors.
Agricultural Water Management | 2007
Julián Cuevas; María L. Cañete; V. Pinillos; Antonio J. Zapata; María Dolores Fernández; Mónica González; J.J. Hueso
Journal of Nondestructive Evaluation | 2013
Freddy A Franco; Mónica González; M.F. de Campos; Linilson R. Padovese
Agricultural Water Management | 2009
Julián Cuevas; V. Pinillos; M.L. Cañete; Mónica González; F. Alonso; María Dolores Fernández; J.J. Hueso
Scientia Horticulturae | 2008
Mónica González; Julián Cuevas
Scientia Horticulturae | 2006
Mónica González; Esteban J. Baeza; J.L. Lao; Julián Cuevas
Agricultural Water Management | 2012
Julián Cuevas; V. Pinillos; M.L. Cañete; S. Parra; Mónica González; F. Alonso; María Dolores Fernández; J.J. Hueso
Scientia Horticulturae | 2014
Estefanía Rodríguez; Jan van der Blom; Mónica González; Elena Sánchez; D. Janssen; Leticia Ruiz; Maria-Antonia Elorrieta