Sex and age‐biased exploitation and metric characterization of medium‐sized deer in the lower Paraná wetland, South America

2019 ◽  
Vol 29 (6) ◽  
pp. 889-907 ◽  
Author(s):  
Daniel Loponte ◽  
María José Corriale ◽  
Leonardo Mucciolo ◽  
Alejandro Acosta
Keyword(s):  
South America ◽  
Metric Characterization

scholarly journals Characterization of HIV Type 1 Envelope Sequence Among Viral Isolates Circulating in the Northern Region of Colombia, South America

2012 ◽  
Vol 28 (12) ◽  
pp. 1779-1783 ◽  
Author(s):  
José-Luis Villarreal ◽  
Jaime Gutiérrez ◽  
Lucy Palacio ◽  
Martha Peñuela ◽  
Robin Hernández ◽  
...  
Keyword(s):  
South America ◽  
Northern Region ◽  
Envelope Sequence ◽  
Hiv Type 1 ◽  
Viral Isolates

Geographical characterization of South America wines based on their phenolic and melatonin composition: An exploratory analysis

2020 ◽  
Vol 158 ◽  
pp. 105240 ◽  
Author(s):  
Candice N. Carneiro ◽  
Federico J.V. Gomez ◽  
Adrian Spisso ◽  
Maria F. Silva ◽  
Silvana M. Azcarate ◽  
...  
Keyword(s):  
South America ◽  
Exploratory Analysis

Characterization of red wines from South America based on sensory properties and antioxidant activity

2011 ◽  
Vol 92 (3) ◽  
pp. 526-533 ◽  
Author(s):  
Daniel Granato ◽  
Flávia Chizuko Uchida Katayama ◽  
Inar Alves de Castro
Keyword(s):  
Antioxidant Activity ◽  
South America ◽  
Sensory Properties ◽  
Red Wines

scholarly journals Correction to: Characterization of a hybrid zone between two annual killifish genus Austrolebias from the Biosphere Reserve and Ramsar Sites in South America

Hydrobiologia ◽  
2020 ◽  
Vol 847 (19) ◽  
pp. 4141-4142
Author(s):  
Graciela García ◽  
Verónica Gutiérrez ◽  
Néstor Ríos ◽  
Nicolás Papa ◽  
Sebastián Serra ◽  
...  
Keyword(s):  
South America ◽  
Hybrid Zone ◽  
Biosphere Reserve ◽  
Annual Killifish

scholarly journals The genetic characterization of fall armyworm populations in Ecuador and its implications to migration and pest management in the northern regions of South America

PLoS ONE ◽  
2020 ◽  
Vol 15 (8) ◽  
pp. e0236759
Author(s):  
Rodney N. Nagoshi ◽  
Ernesto Cañarte ◽  
Bernardo Navarrete ◽  
Jimmy Pico ◽  
Catalina Bravo ◽  
...  
Keyword(s):  
South America ◽  
Pest Management ◽  
Genetic Characterization ◽  
Fall Armyworm ◽  
Northern Regions

scholarly journals Characterization of distinct strains of an aphid-transmitted ilarvirus (Fam. Bromoviridae) infecting different hosts from South America

2020 ◽  
Vol 282 ◽  
pp. 197944
Author(s):  
Rocio Silvestre ◽  
Segundo Fuentes ◽  
Roger Risco ◽  
Alfredo Berrocal ◽  
Ian Adams ◽  
...  
Keyword(s):  
South America

Molecular and biological characterization ofToxoplasma gondiiisolates from free-range chickens from Guyana, South America, identified several unique and common parasite genotypes

Parasitology ◽  
2007 ◽  
Vol 134 (11) ◽  
pp. 1559-1565 ◽  
Author(s):  
J. P. DUBEY ◽  
L. APPLEWHAITE ◽  
N. SUNDAR ◽  
G. V. VELMURUGAN ◽  
L. A. BANDINI ◽  
...  
Keyword(s):  
Toxoplasma Gondii ◽  
South America ◽  
Rflp Markers ◽  
Free Range ◽  
Clonal Type ◽  
Modified Agglutination Test ◽  
Pcr Rflp ◽  
Free Ranging ◽  
Common Parasite

SUMMARYThe prevalence ofToxoplasma gondiiin free-ranging chickens (Gallus domesticus) is a good indicator of the prevalence ofT. gondiioocysts in the soil because chickens feed from the ground. The prevalence ofT. gondiiin 76 free-range chickens from Guyana, South America was determined. Antibodies toT. gondiiwere assayed by the modified agglutination test (MAT), and found in 50 (65·8%) of 76 chickens with titres of 1:5 in four, 1:10 in one, 1:20 in five, 1:40 in seven, 1:80 in six, 1:160 in eight, 1:320 in four, 1:640 or higher in 15. Hearts and brains of 26 chickens with titres of <1:5 were pooled in 5 batches and bioassayed in mice. Hearts and brains of 50 chickens with titres of 1:5 or higher were bioassayed in mice.Toxoplasma gondiiwas isolated by bioassay in mice from 35 chickens with MAT titres of 1:20 or higher. All mice inoculated with tissues of 30 infected chickens remained asymptomatic.Toxoplasma gondiiisolates from 35 chickens were genotyped using 11 PCR-RFLP markers including SAG1, SAG2, SAG3, BTUB, GRA6, c22-8, c29-2, L358, PK1, a new SAG2, and Apico. A total of 9 genotypes were identified, with 5 genotypes (nos 1, 4, 5, 6 and 7) unique to Guyana, 2 genotypes (nos 2 and 3) previously identified in chickens from Brazil, 1 genotype (no. 8) previously identified in chickens from Brazil, Costa Rica and Nicaragua, and 1 genotype (no. 9) belonging to the clonal type III lineage that exists globally. Infection with 2 genotypes was found from 1 chicken. This is the first report of genetic characterization ofT. gondiiisolates from any host from Guyana.

Comparative studies ofTrypanosoma (Duttonella) vivaxisolates from Colombia

Parasitology ◽  
1993 ◽  
Vol 106 (1) ◽  
pp. 21-29 ◽  
Author(s):  
M. F. Dirie ◽  
M. J. Otte ◽  
R. Thatthi ◽  
P. R Gardiner
Keyword(s):  
South America ◽  
Cross Reactivity ◽  
West African ◽  
Dairy Calves ◽  
South American ◽  
Trypanosoma Vivax ◽  
Phenotypic Differences ◽  
Typical Sign

SUMMARYThe characterization of fourTrypanosoma vivaxisolates from Colombia in South America showed that although minor phenotypic differences existed between them, these parasites are antigenically related and belong to a single serodeme. Characterization by isoenzyme assay, karyotyping and DNA probe analysis, showed the Colombian isolates to be more similar to the West African than to KenyanT. vivax. There was, however, little serological cross-reactivity between South American and African groups ofT. vivax. Although theT. vivaxisolates from Colombia were pathogenic for dairy calves which showed the typical sign of progressive emaciation, these parasites failed to infect mice or tsetseand could not be cultivated as bloodstream formsin vitro.This study represents initial attempts to establish the phenotypic and serological diversity amongstT. vivaxisolates from South America.

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