Variabilidad de los atributos poblacionales y de la morfometría de Trichuris pampeana (Nematoda: Trichuridae) en dos especies del género Ctenomys (Rodentia: Octodontidae): Efecto del hospedador

Los nematodes del género Trichuris parasitan marsupiales, roedores, rumiantes, primates y humanos. Entre las especies parásitas de roedores, T. robusli, T.fuivis, T. pampeana y T. bursacaudata son específicos de roedores subterráneos sudamericanos del género Ctenomys. Trichuris pampeana fue descripta como parásito de C. azaras de la localidad de Santa Rosa, La Pampa. Esta especie fue hallada en poblaciones naturales de C. taiarum de dos localidades del sudeste de la Provincia de Buenos Aires (Mar de Cobo y Necochea). El objetivo de este trabajo fue determinar el estatus taxonómico y los parámetros poblacionales de los tríchuridos parásitos de C. australis (Necochea, Argentina). Para ello se capturaron 51 ejemplares de Ctenomys australis de la localidad de Necochea. Los roedores fueron sacrificados y analizados en el laboratorio, se recolectaron los parásitos presentes y se procesaron siguiendo métodos convencionales para nematodes. Se realizaron comparaciones morfométricas de los nematodes hallados en C. australis con muestras de T. pampeña parásitos C. taiarum de las poblaciones de Mar de Cobo y de Necochea. Un total de 963 trichuridos fueron recolectados del ciego intestinal de C australis. La prevalencia fue de 95.56 %, la intensidad media de 22.40 y la abundancia media fue de 21.40 nematodes. Los estudios morfométricos permitieron clasificar a estos trichuridos como pertenecientes a la especie Trichuris pampeña. En C. australis los machos de T. pampeana fueron significativamente más anchos y largos y las hembras más anchas con huevos más grandes que los trichuridos de C. taiarum de Necochea y Mar de Cobo. Al comparar los índices parasitarios de las tres poblaciones de Ctenomys se hallaron diferencias estadísticamente significativas entre la población de C. australis {Necochea) y las de C. ¡alarum (Mar de Cobo y Necochea). Se concluye que las variaciones morfométricas podrían deberse a la influencia del tamaño del hospedador, ya que C. australis es mayor en tamaño (largo del cuerpo y peso) que C. taiarum. Las diferencias entre los índices parasitarios de deberían a diferencias biológicas en el comportamiento, la densidad poblacional y las características del habitat de las dos especies de hospedador. Por último, se aporta el nuevo registro de C. australis como hospedador de T. pampeana.Fil: Rossin, Maria Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Departamento de Biología. Laboratorio de Ecofisiología; ArgentinaFil: Malizia, Ana Inés. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Departamento de Biología. Laboratorio de Ecofisiología; ArgentinaFil: Timi, Juan Tomas. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Departamento de Biología. Laboratorio de Parasitología; ArgentinaXVII Congreso Latinoamericano de Parasitología, IV Congreso Argentino de ParasitologíaMar del PlataArgentinaUniversidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y NaturalesFederación Latinoamericana de Parasitólogo

Relationships among phenology, climate and biomass across subtropical forests in Argentina

Phenology is a key ecosystem process that reflects climate-vegetation functioning, and is an indicator of global environmental changes. Recently, it has been suggested that land-use change and timber extraction promote differences in forest phenology. We use remote-sensing data to describe regional leaf phenological patterns in combination with field data from 131 plots in old-growth and disturbed forests distributed over subtropical forests of Argentina (54-65°W). We assessed how climate is related to phenological patterns, and analysed how changes in forest structural characteristics such as stock of above-ground biomass relate to the observed phenological signals across the gradient. We found that the first three axes of a principal component analysis explained 85% of the variation in phenological metrics across subtropical forests, ordering plots mainly along indicators of seasonality and productivity. At the regional scale, the relative importance of forest biomass in explaining variation in phenological patterns was about 15%. Climate showed the highest relative importance, with temperature and rainfall explaining Enhanced Vegetation Index metrics related to seasonality and productivity patterns (27% and 47%, respectively). Within forest types, climate explains the major fraction of variation in phenological patterns, suggesting that forest function may be particularly sensitive to climate change. We found that forest biomass contributed to explaining a proportion of leaf phenological variation within three of the five forest types studied, and this may be related to changes in species composition, probably as a result of forest use.Fil: Blundo, Cecilia Mabel. Universidad Nacional de Tucumán. Instituto de Ecología Regional. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Instituto de Ecología Regional; ArgentinaFil: Gasparri, Nestor Ignacio. Universidad Nacional de Tucumán. Instituto de Ecología Regional. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Instituto de Ecología Regional; ArgentinaFil: Malizia, Agustina. Universidad Nacional de Tucumán. Instituto de Ecología Regional. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Instituto de Ecología Regional; ArgentinaFil: Clark, Matthew. Sonoma State University; Estados UnidosFil: Gatti, Maria Genoveva. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Biología Subtropical. Universidad Nacional de Misiones. Instituto de Biología Subtropical; ArgentinaFil: Campanello, Paula Inés. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Biología Subtropical. Universidad Nacional de Misiones. Instituto de Biología Subtropical; ArgentinaFil: Grau, Hector Ricardo. Universidad Nacional de Tucumán. Instituto de Ecología Regional. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Instituto de Ecología Regional; ArgentinaFil: Paolini, Leonardo. Universidad Nacional de Tucumán. Instituto de Ecología Regional. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Instituto de Ecología Regional; ArgentinaFil: Malizia, Lucio Ricardo. Universidad Nacional de Jujuy. Facultad de Ciencias Agrarias. Centro de Estudios Ambientales Territoriales y Sociales; ArgentinaFil: Chediack, Sandra E.. No especifica;Fil: MacDonagh, Patricio. Universidad Nacional de Misiones. Facultad de Ciencias Forestales; ArgentinaFil: Goldstein, Guillermo Hernan. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Ecología, Genética y Evolución. Laboratorio de Ecología Funcional; Argentin

COVID-19 and Stressful Adjustment to Work: A Long-Term Prospective Study About Homeworking for Bank Employees in Italy

The COVID-19 evolution has forced the massive introduction of homeworking (HW) for most employees in the initial stages of the pandemic and then return to work, mainly due to the vaccination campaign. These multiple abrupt adjustment demands in work may be a source of intense stress for office workers with consequences on wellbeing and the quality of life. This long-term prospective study aimed at investigating the effect of adaptation demands on a broad population of employees of a large Italian banking group in the job-related stress framework. We administered a web-based survey to 1,264 participants in Reopening after the first lockdown, from June to October 2020, at 841 subjects in Second Wave, corresponding to the rise of contagions from November 2020 to January 2021, and to 491 individuals in Vaccination Round, which ranged from February to June 2021. We assessed workaholism by using the Dutch Work Addiction Scale (DUWAS-10), work-family conflicting overlap by using the Work and Family Conflict Scale (WAFCS), and concern for back to work (BW) and for HW by specific questions. Higher WAFCS scores characterized Reopening and Vaccination Round while Second Wave had the highest level of concern for HW. Women and younger individuals showed the highest concern for BW, WAFCS, and DUWAS-10 scores regardless of the pandemic stage. HW days per week were related to more heightened concern for BW and lower concern for HW, DUWAS, and WAFCS scores. The number of children was related to lower Concern for BW and higher WAFCS scores in Reopening and Second Wave. Our data showed that massive adjustment demands in work and family routine represented a significant source of stress for employees, regardless of the different pandemic stages. The highest level of fatigue emerged in women and younger subjects. These results shed light on the need for a road map to promote a gradual and structured adjustment for workers and encourage organizations to consider homeworking as a valid stable alternative

Efecto combinado de cepa de levadura y Terroir en vinos Malbec de Mendoza = Combined effect of yeast strains and Terroir on Malbec wines from Mendoza

Publicado en: E3S Web of Conferences 50 : article number 02005 (2018)Las cepas de levaduras producen atributos distintivos en los vinos, como así también, la uva proveniente de diferentes zonas puede modificar el flavour del vino. El objetivo del presente trabajo fue evaluar el efecto producido por levaduras comerciales (EC1118, Tango Malbec, Flavia e Ionys) e indígenas sobre vinos Malbec provenientes de Ugarteche, El Cepillo y Gualtallary (Mendoza, Argentina). Se determinaron perfiles fermentativos, controles de implantación, parámetros físico-químicos y cromáticos generales y análisis sensorial de los vinos. Se aplicó ANAVA de dos vías con test LSD Fisher sobre los parámetros y se graficó un ACP. Las levaduras comerciales se implantaron en un 100%, mientras que los perfiles genéticos de las fermentaciones espontáneas fueron diferentes entre sí. El factor región, evidenció un importante efecto, destacándose los vinos de Ugarteche con altos niveles de pH y bajos valores de alcohol, intensidad colorante, IPT y antoncianos totales. El factor levadura reveló efectos significativos respecto a la levadura Ionys, la cual en las tres regiones, finalizó su fermentación dos días después que el resto de las levaduras y en sus vinos se destacó la nota a fruta fresca y la baja intensidad de astringencia y amargo. Sumado a esto, produjo 0.5 % menos grados de alcohol, 0.2 menos de pH.Yeast strains may impact on wine characteristics, producing distinct attributes. In addition, it is generally accepted, that grape must from different agro-ecological zones can impart on wine flavour. The aim of the present research was to evaluate the effects of commercial (EC1118, Tango Malbec, Flavia and Ionys) and indigenous yeast strains on chemical Malbec wines made from Ugarteche, El Cepillo and Gualtallary vineyards (Mendoza, Argentina). Fermentation profile, implantation controls, general chemical and chromatic wine parameters and sensory characterization were determined. Two-way ANOVA with LSD Fisher test and PCA were applied. In all commercial inoculated fermentations, implantation showed almost 100 % of similarity, while spontaneous fermentations exhibited different profiles. The region had a significant individual effect, where wines from Ugarteche region were characterized by lower alcohol degree, spectrophotometric detection at 280 nm, colour intensity and total anthocyanidins and huge pH values, in wines. The yeast factor presented significant effects mainly due to wines fermented by Ionys yeast strain, which its fermentation duration lasted two more days than the others yeast, but it produced outstanding effects on sensorial aspects of wines, favouring fresh-fruit notes and lowering bitterness and astringency. Furthermore, this yeast produced a reducing effect on pH and alcohol degree of about 0.2 points and 0.5 %, respectively.EEA MendozaFil: Pérez, María Dolores. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Mendoza. Centro de Estudios Enológicos; ArgentinaFil: Capaldi, Carolina. Universidad Nacional de Cuyo. Facultad de Ciencias Agrarias; ArgentinaFil: Mercado, Laura Analia. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Mendoza. Laboratorio de Microbiología Enológica; ArgentinaFil: Malizia, Adriana. LALLFERM S.A.; ArgentinaFil: Sari, Santiago Eduardo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Mendoza. Centro de Estudios Enológicos; Argentin

Dust tracking techniques applied to the STARDUST facility: First results

An important issue related to future nuclear fusion reactors fueled with deuterium and tritium is the creation of large amounts of dust due to several mechanisms (disruptions, ELMs and VDEs). The dust size expected in nuclear fusion experiments (such as ITER) is in the order of microns (between 0.1 and 1000 μm). Almost the total amount of this dust remains in the vacuum vessel (VV). This radiological dust can re-suspend in case of LOVA (loss of vacuum accident) and these phenomena can cause explosions and serious damages to the health of the operators and to the integrity of the device. The authors have developed a facility, STARDUST, in order to reproduce the thermo fluid-dynamic conditions comparable to those expected inside the VV of the next generation of experiments such as ITER in case of LOVA. The dust used inside the STARDUST facility presents particle sizes and physical characteristics comparable with those that created inside the VV of nuclear fusion experiments. In this facility an experimental campaign has been conducted with the purpose of tracking the dust re-suspended at low pressurization rates (comparable to those expected in case of LOVA in ITER and suggested by the General Safety and Security Report ITER-GSSR) using a fast camera with a frame rate from 1000 to 10,000 images per second. The velocity fields of the mobilized dust are derived from the imaging of a two-dimensional slice of the flow illuminated by optically adapted laser beam. The aim of this work is to demonstrate the possibility of dust tracking by means of image processing with the objective of determining the velocity field values of dust re-suspended during a LOVA

NGC 2992: The interplay between the multiphase disk, wind and radio bubbles

We present an analysis of the gas kinematics in NGC 2992, based on VLT/MUSE, ALMA and VLA data, aimed at characterising the disk, the wind and their interplay in the cold molecular and warm ionised phases. CO(2-1) and H$\rm \alpha~$ arise from a multiphase disk with inclination 80 deg and radii 1.5 and 1.8 kpc, respectively. We find that the velocity dispersion of the cold molecular phase is consistent with that of star forming galaxies at the same redshift, except in the inner 600 pc region, and in the region between the cone walls and the disk. This suggests that a disk-wind interaction locally boosts the gas turbulence. We detect a clumpy ionised wind distributed in two wide opening angle ionisation cones reaching scales of 7 kpc. The [O III] wind expands with velocity exceeding -1000 km/s in the inner 600 pc, a factor of 5 larger than the previously reported wind velocity. Based on spatially resolved electron density and ionisation parameter maps, we infer an ionised outflow mass of $M_{\rm of,ion} = (3.2 \pm 0.3) \times \, 10^7 \, M_{\odot}$, and a total ionised outflow rate of $\dot M_{\rm of,ion}=13.5\pm1$ \sfr. We detected clumps of cold molecular gas located above and below the disk reaching maximum projected distances and velocities of 1.7 kpc and 200 km/s, respectively. On these scales, the wind is multiphase, with a fast ionised component and a slower molecular one, and a total mass of $M_{\rm of, ion+mol}= 5.8 \times 10^7 \, M_{\odot}$, of which the molecular component carries the bulk of the mass. The dusty molecular outflowing clumps and the turbulent ionised gas are located at the edges of the radio bubbles, suggesting that the bubbles interact with the surrounding medium through shocks. We detect a dust reservoir co-spatial with the molecular disk, with a cold dust mass $M_{\rm dust} = (4.04 \pm 0.03) \times \, 10^{6} \, M_{\odot}$.Comment: 19 pages, 17 figures, 6 tables; Accepted by A&

Decoding the Complexity of Systemic Inflammation Predictors in Locally Advanced Cervical Cancer, with Hemoglobin as the Hidden Key (the ESTHER Study)

Simple Summary We explored whether specific factors, like inflammation indicators in the blood, could help predict treatment outcomes for locally advanced cervical cancer (LACC). LACC is generally treated with a combination of chemotherapy and radiation. We wanted to see if these factors could help physicians personalize treatments for better results. Our study involved looking at various aspects, including inflammation indices in the blood and various clinical treatment details, in LACC patients. While some factors, such as age and hemoglobin levels, seemed to predict outcomes, there was no clear connection between inflammation indicators in the blood and results. These findings challenge previous ideas and highlight the importance of considering multiple factors to predict the prognoses of LACC patients.Abstract Locally advanced cervical cancer (LACC) is treated with concurrent chemoradiation (CRT). Predictive models could improve the outcome through treatment personalization. Several factors influence prognosis in LACC, but the role of systemic inflammation indices (IIs) is unclear. This study aims to assess the correlation between IIs and prognosis in a large patient cohort considering several clinical data. We retrospectively analyzed pretreatment IIs (NLR, PLR, MLR, SII, LLR, COP-NLR, APRI, ALRI, SIRI, and ANRI) in 173 LACC patients. Patient, tumor, and treatment characteristics were also considered. Univariate and multivariate Cox's regressions were conducted to assess associations between IIs and clinical factors with local control (LC), distant metastasis-free survival (DMFS), disease-free survival (DFS), and overall survival (OS). Univariate analysis showed significant correlations between age, HB levels, tumor stage, FIGO stage, and CRT dose with survival outcomes. Specific pretreatment IIs (NLR, PLR, APRI, ANRI, and COP-NLR) demonstrated associations only with LC. The multivariate analysis confirmed Hb levels, CRT dose, and age as significant predictors of OS, while no II was correlated with any clinical outcome. The study findings contradict some prior research on IIs in LACC, emphasizing the need for comprehensive assessments of potential confounding variables