Results 81 to 90 of about 674 (158)

Filogenia de avispas del género Netelia (Hymenoptera: Ichneumonidae) con énfasis en las especies costarricenses

Revista de Biología Tropical, 2009
Se presentan los resultados del primer análisis cladístico realizado para el género Netelia. Éste se llevó a cabo con la ayuda de los programas Hennig86 y Tree Gardener 2.2, a través de una matriz de 79 taxones y 149 caracteres, descritos principalmente ...
James Coronado-Rivera
doaj  

Taxonomy "under construction": advances in the systematics of Apocynaceae, with emphasis on the Brazilian Asclepiadoideae

Rodriguésia
The Apocynaceae comprise approximately 5,000 species and are widely distributed. The family belongs to the Gentianales and can be easily recognized by the presence of latex and a style-head derived from the fusion of two carpels at the apex of the styles.
Alessandro Rapini
doaj   +1 more source

Characterization and phylogenetic relationships of strains of Dengue type 1 virus from Costa Rica

Revista de Biología Tropical, 2007
Phylogenetic analysis of the envelope gene sequence (E) of three isolated Dengue virus type 1 (DEN1) sequences from the Costa Rican 1993 epidemic was performed. All the strains fell into genotype V.
César-Alonso Cerdas-Quesada, Axel P Retana-Salazar   +1 more
doaj  

A phylogeny of howler monkeys (Cebidae: Alouatta) based on mitochondrial, chromosomal and morphological data

Revista de Biología Tropical, 2004
The current taxonomic status of the species and subspecies belonging to the genus Alouatta is addressed by combined phylogenetic analysis using morphological, kariotipyc and molecular data (mitochondrial genes cytocrome oxidase II and cytochrome B).
Federico Villalobos, Alejandro A Valerio, Axel P Retana   +2 more
doaj  

"Feijão com arroz": identificação de metas no estudo de gramí­neas e leguminosas do Centro-Oeste

Heringeriana, 2014
"Feijão com arroz" é uma combinação presente na mesa da maioria dos brasileiros. As gramí­neas (Poaceae) e leguminosas (Fabaceae) destacam-se por sua importância sob diversos aspectos, especialmente como componentes autóctones no Centro-Oeste, com uma ...
Regina Célia Oliveira, José Francisco Montenegro Valls   +1 more
doaj  

Recombination events drives the emergence of Colombian Helicobacter pylori subpopulations with self-identity ancestry. [PDF]

Virulence, 2022
Guevara-Tique AA, Torres RC, Bravo MM, Carvajal Carmona LG, Echeverry de Polanco MM, Bohórquez ME, Torres J.   +6 more
europepmc   +1 more source

Phylogeny and ultrastructure of Myxobolus rangeli n. sp. (Myxozoa, Bivalvulida), a histozoic parasite in Siluriformes fish from the Amazon region. [PDF]

Rev Bras Parasitol Vet, 2023
Silva MFD, Silva DTD, Giese E, Furtado AP, Matos P, Lima AM, Hamoy I, Matos E.   +7 more
europepmc   +1 more source

Filogenia y ontogenia de la escritura

, 2016
Existe una psicogénesis del principio alfabético de escritura (independientemente de los métodos de enseñanza): todos los niños reconstruyen el principio de la correspondencia fonográfica a través de diferentes períodos. Estas aportaciones del campo de la Psicología tienen ciertas implicaciones interesantes para la Lingüística General, como el ...
Díaz Perea, María del Rosario, Manjón-Cabeza Cruz, Antonio José   +1 more
openaire   +1 more source

Genetic diversity of Trypanosoma cruzi strains isolated from chronic chagasic patients and non-human hosts in the state of São Paulo, Brazil. [PDF]

Mem Inst Oswaldo Cruz, 2022
Souza TKM, Westphalen EVN, Westphalen SDR, Taniguchi HH, Elias CR, Motoie G, Gava R, Pereira-Chioccola VL, Novaes CTG, Carvalho NB, Bocchi EA, Cruz FDDD, Rocha MC, Shinjo SK, Shikanai-Yasuda MA, Ortiz PA, Teixeira MMG, Tolezano JE.   +17 more
europepmc   +1 more source

Larval cestodes infecting commercial fish of Alexandria coast along the Mediterranean Sea: morphology and phylogeny. [PDF]

Rev Bras Parasitol Vet, 2022
Morsy K, Dajem SB, Al-Kahtani M, El-Kott A, Ibrahim E, Hamdi H, Al-Doaiss A, Abumandour M, El-Mekkawy H, Massoud D, Adel A, El-Kareem SA.   +11 more
europepmc   +1 more source