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Mostrando ítems 21-40 de 42
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Estudio de las aflatoxinas en alimento balanceado, de sus efectos adversos en una especie de pez autóctona de importancia para la acuicultura, el Pacú (Piaractus mesopotamicus), e identificación de biomarcadores empleando metabolómica
Cristos, Diego Sebastian (Facultad de Ciencias Exactas, Universidad Nacional de La Plata, 2022)El pacú (Piaractus mesopotamicus, Holmberg, 1887) es un pez característico de la Cuenca del Plata, la especie muestra excelentes tasas de crecimiento en las regiones tropicales y subtropicales de Latinoamérica, aspecto ... -
Fungal screening and aflatoxin production by Aspergillus section Flavi isolated from pre-harvest maize ears grown in two Argentine regions
Camiletti, Boris Xavier; Torrico Ramallo, Ada Karina; Maurino, Maria Fernanda; Cristos, Diego Sebastian; Magnoli, Carina; Lucini, Enrique Iván; Gimenez Pecci, Maria De La Paz (Elsevier, 2017-02)Aflatoxin contamination in maize kernels grown in central Argentina has increased since 2008. Pre-harvest maize ear samples were collected during two growing seasons to determine prevalent fungal genera as well as aflatoxin ... -
Fusarium species and mycotoxin contamination in maize in Buenos Aires province, Argentina
Castañares, Eliana; Martínez, Mauro; Cristos, Diego Sebastian; Rojas, Dante Emanuel; Lara, Bruno; Stenglein, Sebastian Alberto; Dinolfo, María Inés (Springer, 2019-10-28)Maize is one of the most important crops in Argentina. This crop can be affected by the presence of different Fusarium species, causing two distinct diseases known as Fusarium ear rot and Gibberella ear rot. In this study, ... -
Imidacloprid seed coating poses a risk of acute toxicity to small farmland birds: A weight-of-evidence analysis using data from the grayish baywing Agelaioides badius
Poliserpi, Maria Belen; Cristos, Diego Sebastian; Brodeur, Celine Marie (Elsevier, 2020-10)The aim of this study was to estimate the risk posed by imidacloprid (IMI) seed coating to passerine birds of the Pampa Region of Argentina using data specifically generated with the grayish baywing (Agelaioides badius). ... -
In vitro antifungal activity of Peltophorum dubium (Spreg.) Taub. extracts against Aspergillus flavus.
Di Ciaccio, Lucía Soledad; Catalano, Alejandro V.; López, Paula G.; Rojas, Dante Emanuel; Cristos, Diego Sebastian; Fortunato, Renee Hersilia; Salvat, Adriana Elisabeth (MDPI, 2020-04-02)Aspergillus flavus is a filamentous, saprophytic fungus, whose colonization occurs mainly in cereal grains and oilseeds once arvested. Under certain conditions, it could produce mycotoxins called aflatoxins, known as ... -
Integrated analysis of the quality of water bodies from the lower Paraná River basin with different productive uses by physicochemical and biological indicators
Peluso, Julieta; Aronzon, Carolina Mariel; Ríos de Molina, María del Carmen; Rojas, Dante Emanuel; Cristos, Diego Sebastian; Pérez Coll, Cristina Silvia (Elsevier, 2020-03-20)The Paraná River basin is one of the most important in South America and is affected by human activities that take place on its margins. In particular, the De la Cruz stream flows through an industrial pole and the Arrecifes ... -
Interacción entre festuca alta infectada con endófito y Lotus tenuis bajo dos frecuencias de defoliación
Petigrosso, Lucas R.; Assuero, Silvia Graciela; Vignolio, Osvaldo; Romano, Y.; Colabelli, Mabel Noemí; Salvat, Adriana Elisabeth; Cristos, Diego Sebastian (2018-04)La toxicidad de festuca alta infectada con endófito asexual Epichloë coenophiala, puede ser atenuada cuando se la siembra en mezcla con leguminosas. El objetivo de este trabajo fue simular el establecimiento de pasturas ... -
Intersex and liver alterations induced by long-term sublethal exposure to 17α-ethinylestradiol in adult male Cnesterodon decemmaculatus (Pisces: Poeciliidae)
Young, Brian Jonathan; López, Gabriela Carina; Cristos, Diego Sebastian; Crespo, Diana Elvira; Somoza, Gustavo Manuel; Carriquiriborde, Pedro (2017)The aim of the present study was to assess the responses of the gonopodium morphology and the gonadal and liver histology of adult male Cnesterodon decemmaculatus to sublethal long-term exposure concentrations of ... -
Metals, pesticides, and emerging contaminants on water bodies from agricultural areas and the effects on a native amphibian
Peluso, Julieta; Martínez Chehda, Agostina; Olivelli, Melisa Soledad; Ivanic, Federico Martín; Pérez Coll, Cristina Silvia; Gonzalez, Florencia; Valenzuela, Lautaro; Rojas, Dante Emanuel; Cristos, Diego Sebastian; Butler, Matías; Candal, Roberto Jorge; Aronzon, Carolina Mariel (Elsevier, 2023-06)In the Paraná River lower basin, an important agro-productive area of Argentina, crop fields and cattle breeding activities are common and may affect water quality. So, the aim of this study was to analyze the impacts of ... -
Napa freática: Dinámica, variables de control y contenido de nitratos en suelos de pampa arenosa
Vázquez Amabile, Gabriel G.; Bosch, Nicolas; Ricca, Alejandra Patricia; Rojas, Dante Emanuel; Ortiz de Zárate, María L.; Lascombes, Joaquín; Feiguín, María F.; Cristos, Diego Sebastian (Asociación Argentina Ciencia del Suelo, 2017-07)A fin de estudiar la dinámica y control de la napa freática y el contenido de nitratos, en lotes agrícolas del Oeste bonaerense, se analizaron registros de ocho años de nivel freático y muestras de agua extraídas durante ... -
Pesticides detected in surface and groundwater from agroecosystems in the Pampas region of Argentina: occurrence and ecological risk assessment
Vera Candioti, Josefina; Araujo, Patricia Ines; Huerga, Ignacio Roberto; Rojas, Dante Emanuel; Cristos, Diego Sebastian; Malmantile, Alberto (Springer, 2021-10-02)The objective of this study was to evaluate the occurrence of pesticides in surface and groundwater of agricultural areas of the Pampas region of Argentina and to develop an ecological risk assessment (ERA) of pesticides ... -
Plant interactions and ergovaline concentration in mixture of Lotus tenuis and Schedonorus arundinaceus infected with the fungus Epichloë coenophiala
Petigrosso, Lucas R; García, Matías; Vignolio, Osvaldo; Salvat, Adriana Elisabeth; Cristos, Diego Sebastian; Castaño, Jorge Alberto (Asociación Argentina de Ecología, 2020-01-08)Schedonorus arundinaceus (tall fescue) population can be infected by the endophyte fungus Epichloë coenophiala, responsible of livestock intoxication due to fungal alkaloids (i.e., ergovaline). The effects of ergovaline in ... -
Protection offered by leaf fungal endophytes to an invasive species against native herbivores depends on soil nutrients
Graff, Pamela; Gundel, Pedro Emilio; Salvat, Adriana Elisabeth; Cristos, Diego Sebastian; Chaneton, Enrique J. (Wiley, 2020-02-04)1. Natural grassland ecosystems are increasingly threatened by excessive loadings of nutrients and by the presence of species bred for high productivity. By manipulating grazing regimes and nutrient availability, agricultural ... -
Protocolo para evaluar la volatilización relativa de productos formulados del herbicida 2,4-D
Montoya, Jorgelina Ceferina; Platz, Juan Pedro; Azcarate, Mariela Pamela; Porfiri, Carolina; Cristos, Diego Sebastian (EEA Anguil, INTA, 2023-10-31)El presente protocolo es un método sencillo, sensible y reproducible para evaluar la volatilización relativa de productos formulados comerciales del herbicida 2,4-D mediante la metodología de bioensayos. La metodología ... -
Respuesta fisiológica de vacas a simulación de estrés inducido por inyección parenteral de ACTH. Primeros resultados. Comunicación
Marcoppido, Gisela Ariana; Merayo, Manuela; Moreno, Karina Pilar; Cristos, Diego Sebastian; Pighin, Darío Gabriel; Grigioni, Gabriela Maria (Asociación Argentina de Producción Animal, 2021-11)Inadequate handling during the productive stage causes a lack of welfare in the animals due to stressful situations. Stress leads to metabolic and hormonal changes in the living animal, which cause post-mortem changes that ... -
Storage of WDGS under hermetic and non-hermetic conditions : effect on sensory properties, microorganisms, mycotoxins and nutritional value.
Alvarez, Estefanía; Cardoso, Marcelo Leandro; Depetris, Gustavo; Castellari, Claudia Carla; Cristos, Diego Sebastian; Montiel, María Delfina; Bartosik, Ricardo Enrique (Elsevier, 2019-01)WDGS production in Argentina substantially increased in the last 5 years and become a frequent constituent for feed diets. However, due to the extremely high moisture content of the product, quality deterioration occurs ... -
The problem with implementing fish farms in agricultural regions: A trial in a pampean pond highlights potential risks to both human and fish health
Brodeur, Celine Marie; Poletta, Gisela Laura; Simoniello, María Fernanda; Carriquiriborde, Pedro; Cristos, Diego Sebastian; Pautasso, Nestor Abel; Paravani, Enrique Valentín; Poliserpi, Maria Belen; D'Andrea, María Florencia; González, Patricia Verónica; López Aca, Viviana; Curto, Alejandro Ernesto (Elsevier, 2020-09)The safety of creating fish farms in agricultural settings was evaluated by growing Piaractus mesopotamicus in a pond, while crops where cultivated in a nearby field under a pesticide application regime typical of the Pampa ... -
Tissue distribution and sublethal effects of imidacloprid in the South American grayish baywing (Agelaioides badius)
Poliserpi, Maria Belen; Cristos, Diego Sebastian; Pérez Iglesias, Juan Manuel; Brodeur, Celine Marie (Elsevier, 2021-12)The neonicotinoids are globally used insecticides, which have been shown to cause negative impacts on birds. The current study aimed to evaluate the distribution of the neonicotinoid imidacloprid (IMI) in the tissues of a ... -
Toxicities of glyphosate- and cypermethrin-based pesticides are antagonic in the tenspotted livebearer fish (Cnesterodon decemmaculatus)
Brodeur, Celine Marie Julie; Malpel, Solene; Anglesio, Ana Belén; Cristos, Diego Sebastian; D'Andrea, María Florencia; Poliserpi, Maria Belen (2016)Although pesticide contamination of surface waters normally occurs in the form of mixtures, the toxicity and interactions displayed by such mixtures have been little characterized until now. The present study examined ... -
Warm nights increase Fusarium Head Blight negative impact on barley and wheat grains
Martínez, Mauro; Biganzoli, Fernando; Arata, Agustin Francisco; Dinolfo, María Inés; Rojas, Dante Emanuel; Cristos, Diego Sebastian; Stenglein, Sebastián (Elsevier, 2022-03-15)The disease known as Fusarium Head Blight (FHB) is one of the most devastating cereal diseases, among which Fusarium graminearum and Fusarium poae have been isolated to be the main etiological agents in cereal crops such ...