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https://www.readbyqxmd.com/read/29313485/biological-and-molecular-characterization-of-trypanosoma-cruzi-strains-from-four-states-of-brazil
#1
Aline Rimoldi Ribeiro, Luciana Lima, Larissa Aguiar de Almeida, Joana Monteiro, Cláudia Jassica Gonçalves Moreno, Juliana Damieli Nascimento, Renato Freitas de Araújo, Fernanda Mello, Luciamáre Perinetti Alves Martins, Márcia Aparecida Silva Graminha, Marta Maria Geraldes Teixeira, Marcelo Sousa Silva, Mário Steindel, João Aristeu da Rosa
Chagas disease affects between six and seven million people. Its etiological agent, Trypanosoma cruzi, is classified into six discrete typing units (DTUs). The biological study of 11 T. cruzi strains presented here included four parameters: growth kinetics, parasitemia curves, rate of macrophage infection, and serology to evaluate IgM, total IgG, IgG1, IgG2a, and IgG3. Sequencing of small subunit of ribosomal RNA (SSU rRNA)was performed and the T. cruzi strains were classified into three DTUs. When their growth in liver infusion tryptose medium was represented in curves, differences among the strains could be noted...
January 8, 2018: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29299299/nurse-species-and-indirect-facilitation-through-grazing-drive-plant-community-functional-traits-in-tropical-alpine-peatlands
#2
Alain Danet, Sonia Kéfi, Rosa I Meneses, Fabien Anthelme
Facilitation among plants mediated by grazers occurs when an unpalatable plant extends its protection against grazing to another plant. This type of indirect facilitation impacts species coexistence and ecosystem functioning in a large array of ecosystems worldwide. It has nonetheless generally been understudied so far in comparison with the role played by direct facilitation among plants. We aimed at providing original data on indirect facilitation at the community scale to determine the extent to which indirect facilitation mediated by grazers can shape plant communities...
December 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/29294793/elder-abuse-in-the-iberian-peninsula-and-bolivia-a-multicountry-comparative-study
#3
Juan Manuel Carmona-Torres, Rosa Carvalhal, Ruth Mary Gálvez-Rioja, África Ruiz-Gandara, Thomas Goergen, Mª Aurora Rodríguez-Borrego
The objective of this study is to determine the prevalence of abuse of vulnerable older persons in the family and community environment in the following regions-Spain (Andalusia-Córdoba), Portugal (Azores), and Bolivia (Santa Cruz de la Sierra)-and to identify risk factors and delineate a profile of abused older persons. For this, a descriptive cross-sectional study was conducted. The sample consisted of people in the age group 65 years plus living in the catchment areas of health centers. The following were used as instruments to collect data: the medical record of the patients of relevant health centers, Mini-Mental State Examination (MMSE), daily activities autonomy test, adaptability, partnership, growth, affection, and resolve (APGAR) familiar test, The Elder Abuse Suspicion Index (EASI) and the Social Work Evaluation Form...
June 1, 2017: Journal of Interpersonal Violence
https://www.readbyqxmd.com/read/29279865/rain-fed-agriculture-thrived-despite-climate-degradation-in-the-pre-hispanic-arid-andes
#4
Pablo Cruz, Thierry Winkel, Marie-Pierre Ledru, Cyril Bernard, Nancy Egan, Didier Swingedouw, Richard Joffre
Archaeological research suggests significant human occupation in the arid Andean highlands during the 13th to 15th centuries, whereas paleoclimatic studies reveal prolonged drier and colder conditions during that period. Which subsistence strategy supported local societies in this harsh environment? Our field and aerial surveys of archaeological dwelling sites, granaries, and croplands provide the first evidence of extended pre-Hispanic agriculture supporting dense human populations in the arid Andes of Bolivia...
December 2017: Science Advances
https://www.readbyqxmd.com/read/29273032/self-sampling-for-human-papillomavirus-dna-detection-a-preliminary-study-of-compliance-and-feasibility-in-bolivia
#5
Pedro Surriabre, Gustavo Allende, Marcela Prado, Leyddy Cáceres, Diego Bellot, Andrea Torrico, Karina Ustariz, Shirley Rojas, Jaime Barriga, Pamela Calle, Ligia Villarroel, Rosse Mary Yañez, Marc Baay, Patricia Rodriguez, Véronique Fontaine
BACKGROUND: Cervical cancer incidence and mortality rates in Bolivia are among the highest in Latin America. This investigation aims to evaluate the possibility of using simple devices, e.g. a cotton swab and a glass slide, for self-sampling in order to detect human papillomavirus (HPV) DNA by PCR in cervico-vaginal cells. METHODS: In the first phase of our study we evaluated the use of a glass slide as a transport medium for cervical cells. A physician took paired-cervical samples from 235 women...
December 22, 2017: BMC Women's Health
https://www.readbyqxmd.com/read/29247710/oropouche-fever-an-emergent-disease-from-the-americas
#6
Daniel Romero-Alvarez, Luis E Escobar
Oropouche virus is the aetiological agent of Oropouche fever, a zoonotic disease mainly transmitted by midges of the species Culicoides paraensis. Although the virus was discovered in 1955, more attention has been given recently to both the virus and the disease due to outbreaks of Oropouche fever in different areas of Brazil and Peru. Serological studies in human and wild mammals have also found Oropouche virus in Argentina, Bolivia, Colombia, and Ecuador. Several mammals act as reservoirs of the disease, although the sylvatic cycle of Oropouche virus remains to be assessed properly...
December 13, 2017: Microbes and Infection
https://www.readbyqxmd.com/read/29245740/description-of-i-almafuerte-i-a-new-genus-of-ground-spiders-from-south-america-araneae-gnaphosidae
#7
Cristian J Grismado, Nicolás López Carrión
A new genus of gnaphosid spiders, Almafuerte, gen. nov., is described for seven species from Southern South America. The new genus is diagnosed by a conspicuous retrolateral tegular projection on the male palp, and by having three teeth on the cheliceral retromargin. It comprises six species from Argentina, A. peripampasica sp. nov. (type species), from Central Argentina, also present in Uruguay, A. kuru sp. nov., from Santiago del Estero, A. vigorosa sp. nov., from Corrientes, A. goloboffi sp. nov., from Salta and Jujuy, A...
October 24, 2017: Zootaxa
https://www.readbyqxmd.com/read/29245593/reevaluation-of-the-type-species-and-redescription-of-five-species-of%C3%A2-i-edessa-i-heteroptera-pentatomidae-edessinae
#8
Valeria Juliete DA Silva, David A Rider, Jose Antonio Marin Fernandes
In accordance with the rules in the International Code of Zoological Nomenclature, the type species for the genus Edessa Fabricius, 1803 is now recognized to be Cimex antilope Fabricius, 1798 rather than the previously recognized Cimex cervus Fabricius, 1787. Edessa antilope is redescribed, as well as the following four species that have in the past been related or compared to E. antilope: E. arabs (Linnaeus, 1758) from French Guiana, Costa Rica and Panama (new record), E. helix Erichson, 1848 from Costa Rica, Panama, Venezuela, Suriname (new record), Guyana, Brazil (new record), Bolivia (new record) and Argentina (new record), E...
November 13, 2017: Zootaxa
https://www.readbyqxmd.com/read/29245449/description-of-a-new-species-of-i-bothynus-i-hope-from-argentina-and-bolivia-coleoptera-scarabaeidae-dynastinae
#9
Martin Hardy
A new species of Bothynus Hope, 1837 (Coleoptera: Scarabaeidae: Dynastinae: Pentodontini) is described from the eastern Andes in South America. The new species is unique in the genus for having the elytra and part of the pronotum covered with small setae.
December 4, 2017: Zootaxa
https://www.readbyqxmd.com/read/29245389/a-new-neotropical-genus-of-bee-flies-diptera-bombyliidae-phthiriinae
#10
Carolina Yamaguchi, Carlos José E Lamas, Neal L Evenhuis
A new genus of Phthiriinae, Hirsutophallus gen. nov. is described, based on the examination of male and female specimens from the Andean region of Bolivia and Argentina. Hirsutophallus gen. nov. contains several characters that distinguish it from other Phthiriinae genera, such as: prominent tip on the lateral margin of the scape; lower lobes on epiphallus; prominent lateral lobes on epiphallus, with dorsal macrosetae; penial guide of distiphallus with long and dense macrosetae on dorsal surface; gonocoxite with medial process large basally and acute apex in lateral view, with short apical and ventral spines and posterior process with ventral spines; gonostylus with row of spines on apical third of dorsal and ventral surface and furca with V-shaped sclerites, with very long and curved parallel arms...
December 12, 2017: Zootaxa
https://www.readbyqxmd.com/read/29245377/a-new-species-of-i-microkayla-i-anura-craugastoridae-holoadeninae-from-department-la-paz-bolivia
#11
Ignacio DE LA Riva, Claudia Cortez, Patricia A Burrowes
We describe a new species of direct-developing frog of the genus Microkayla from the Cordillera Real of the Bolivian Andes, in the Department of La Paz. The new species, Microkayla huayna sp. nov., is closely related to M. teqta and can be distinguished from other species of the genus by its brown dorsal skin and the presence of a large dark brown vocal sac in males. This is the second species of Microkayla known from the Zongo Valley, and the ninth in the Cordillera Real, contributing to a total of 22 described species in Bolivia...
December 12, 2017: Zootaxa
https://www.readbyqxmd.com/read/29240687/decreasing-inappropriate-use-of-antibiotics-in-primary-care-in-four-countries-in-south-america-cluster-randomized-controlled-trial
#12
Inés Urbiztondo, Lars Bjerrum, Lidia Caballero, Miguel Angel Suarez, Monica Olinisky, Gloria Córdoba
High antibiotic prescribing and antimicrobial resistance in patients attending primary care have been reported in South America. Very few interventions targeting general practitioners (GPs) to decrease inappropriate antibiotic prescribing have been investigated in this region. This study assessed the effectiveness of online feedback on reducing antibiotic prescribing in patients with suspected respiratory tract infections (RTIs) attending primary care. The aim was to reduce antibiotic prescribing in patients with acute bronchitis and acute otitis media...
December 14, 2017: Antibiotics
https://www.readbyqxmd.com/read/29239754/characterization-of-rhodococcus-sp-a5wh-isolated-from-a-high-altitude-andean-lake-to-unravel-the-survival-strategy-under-lithium-stress
#13
Carolina Belfiore, María V Curia, María E Farías
Lithium (Li) is widely distributed in nature and has several industrial applications. The largest reserves of Li (over 85%) are in the so-called "triangle of lithium" that includes the Salar de Atacama in Chile, Salar de Uyuni in Bolivia and Salar del Hombre Muerto in Argentina. Recently, the use of microorganisms in metal recovery such as copper has increased; however, there is little information about the recovery of lithium. The strain Rhodococcus sp. A5wh used in this work was previously isolated from Laguna Azul...
November 24, 2017: Revista Argentina de Microbiología
https://www.readbyqxmd.com/read/29232461/tabanus-bovinus-in-bolivia
#14
Stephen M Smith
No abstract text is available yet for this article.
January 1, 2018: Journal of Travel Medicine
https://www.readbyqxmd.com/read/29228062/market-access-and-community-size-influence-pastoral-management-of-native-and-exotic-livestock-species-a-case-study-in-communities-of-the-cordillera-real-in-bolivia-s-high-andean-wetlands
#15
Quentin Struelens, Karina Gonzales Pomar, Susi Loza Herrera, Gaby Nina Huanca, Olivier Dangles, François Rebaudo
Grazing areas management is of utmost importance in the Andean region. In the valleys of the Bolivian Cordillera Real near La Paz, pastoralism constitutes the traditional way for people to insure food security and economical sustainability. In these harsh mountains, unique and productive wetlands sustained by glacial water streams are of utmost importance for feeding cattle herds during the dry season. After the colonization by the Spanish, a shift in livestock species has been observed, with the introduction of exotic species such as cows and sheep, resulting in a different impact on pastures compared to native camelid species-llamas and alpacas...
2017: PloS One
https://www.readbyqxmd.com/read/29198373/the-development-and-implementation-of-a-layperson-trauma-first-responder-course-in-la-paz-bolivia-a-pilot-study
#16
Marissa A Boeck, Tyler E Callese, Sarah K Nelson, Steven J Schuetz, Christian Fuentes Bazan, Juan Mauricio P Saavedra Laguna, Michael B Shapiro, Nabil M Issa, Mamta Swaroop
BACKGROUND: Ninety percent of nearly five million annual global injury deaths occur in low- and middle-income countries (LMICs), where prehospital care systems are frequently rudimentary or nonexistent. The World Health Organization considers layperson first-responders as essential for emergency medical services in low-resource settings lacking more formalized systems. This study sought to develop and implement a layperson trauma first responder course (TFRC) in Bolivia. MATERIALS AND METHODS: In March and April 2013 nine sessions of the eight-hour TFRC were held in La Paz, Bolivia...
November 22, 2017: Injury
https://www.readbyqxmd.com/read/29183280/using-a-monitoring-and-evaluation-framework-to-improve-study-efficiency-and-quality-during-a-prospective-cohort-study-in-infants-receiving-rotavirus-vaccination-in-el-alto-bolivia-the-infant-nutrition-inflammation-and-diarrheal-illness-nidi-study
#17
Anna M Aceituno, Kaitlyn K Stanhope, Paulina A Rebolledo, Rachel M Burke, Rita Revollo, Volga Iñiguez, Parminder S Suchdev, Juan S Leon
BACKGROUND: Implementing rigorous epidemiologic studies in low-resource settings involves challenges in participant recruitment and follow-up (e.g., mobile populations, distrust), biological sample collection (e.g., cold-chain, laboratory equipment scarcity) and data collection (e.g., literacy, staff training, and infrastructure). This article describes the use of a monitoring and evaluation (M&E) framework to improve study efficiency and quality during participant engagement, and biological sample and data collection in a longitudinal cohort study of Bolivian infants...
November 28, 2017: BMC Public Health
https://www.readbyqxmd.com/read/29176887/first-external-quality-assurance-program-for-bloodstream-real-time-pcr-monitoring-of-treatment-response-in-clinical-trials-of-chagas-disease
#18
Juan C Ramírez, Rudy Parrado, Elena Sulleiro, Anabelle de la Barra, Marcelo Rodríguez, Sandro Villarroel, Lucía Irazu, Cristina Alonso-Vega, Fabiana Alves, María A Curto, Lineth García, Lourdes Ortiz, Faustino Torrico, Joaquim Gascón, Laurence Flevaud, Israel Molina, Isabela Ribeiro, Alejandro G Schijman
Real-Time PCR (qPCR) testing is recommended as both a diagnostic and outcome measurement of etiological treatment in clinical practice and clinical trials of Chagas disease (CD), but no external quality assurance (EQA) program provides performance assessment of the assays in use. We implemented an EQA system to evaluate the performance of molecular biology laboratories involved in qPCR based follow-up in clinical trials of CD. An EQA program was devised for three clinical trials of CD: the E1224 (NCT01489228), a pro-drug of ravuconazole; the Sampling Study (NCT01678599), that used benznidazole, both conducted in Bolivia; and the CHAGASAZOL (NCT01162967), that tested posaconazole, conducted in Spain...
2017: PloS One
https://www.readbyqxmd.com/read/29157065/small-spotted-bodies-with-multiple-specific-mitochondrial-dnas-existence-of-diverse-and-differentiated-tigrina-lineages-or-species-leopardus-spp-felidae-mammalia-throughout-latin-america
#19
Manuel Ruiz-García, Myreya Pinedo-Castro, Joseph Mark Shostell
We analysed two sets of mitochondrial (mt) DNA data from tigrinas (traditionally, Leopardus tigrinus) we sampled in Costa Rica, Venezuela, Colombia, Ecuador, Peru, Bolivia, northwestern and northeastern Argentina and southern Brazil. Additionally, the analysis included some GenBank sequences from southern, central and northeastern Brazil. The first mt set (mt ATP8+mt 16S rRNA with 41 tigrina) revealed the existence of seven different tigrina-like haplogroups. They could represent, at least, 4-6 different tigrina species following the Phylogenetic Species Concept (PSC)...
November 20, 2017: Mitochondrial DNA. Part A. DNA Mapping, Sequencing, and Analysis
https://www.readbyqxmd.com/read/29141752/differences-in-nutritional-and-health-status-in-school-children-from-the-highlands-and-lowlands-of-bolivia
#20
Graciela Terán, Washington Cuna, Froilán Brañez, Kristina E M Persson, Martín E Rottenberg, Susanne Nylén, Celeste Rodriguez
Children in the Bolivian Andes are exposed to endemic infections and meager nourishment, and live under poor hygienic conditions. The prevention of children malnutrition is a priority in many countries including Bolivia. In this study, the health status of schoolchildren in Taraco, a Puna district, at 4,000 meters above sea level (masl) and in Caranavi, at 650 masl in the wealthier subtropical valleys, was compared. The weight, height, and hematological and biochemical parameters in blood, parasites in stool, and clinical information in 120 children from rural Taraco and in 96 from semi-urban Caranavi, both predominantly of Aymara ethnicity, were registered...
November 6, 2017: American Journal of Tropical Medicine and Hygiene
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