Resultados de búsqueda - (((taxonomic OR (taxonomiayicos OR taxonomicos)) OR taxonomico) OR (taxonomoooy OR taxonom))*

First record of glycera guatemalensis and G. sphyrabrancha (Annelida: Glyceridae) from Western México por De León González, Jesús Ángel, Tovar Hernández, María Ana, Torres Manríquez, Iliana, García Garza, María Elena

“…Methods: An analysis of the glycerides of the Pacific coast of Mexico was carried out, finding two species that were collected, one of shrimp trawl at a depth of 18 meters off Puertecitos, Baja California, as well as by manual sampling in the intertidal zone of Concepción Bay, Baja California Sur in the Gulf of California. For their taxonomic determination, morphological characters of greater relevance for their identification were examined, such as jaws, aileron shape, parapodia, chaetae, and the type of pharyngeal papillae. …”
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Two new species of notodasus fauchald, 1972 (Annelida: Capitellidae) from the Central Indo-Pacific region por Lin, Junhui, García Garza, María Elena, Arbi, Ucu Yanu, Wang, Jianjun

“…The genus is unusual in the Central IndoPacific, and there is no taxonomic record of Notodasus in this region. In this study, two new species of Notodasus are described and illustrated, namely Notodasus celebensis sp. nov. and N. chinensis sp. nov. …”
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Catalogue of Notomastus M. Sars, 1851 (Annelida, Capitellidae) and the description of a new species from the Gulf of California por García Garza, María Elena, De León González, Jesús Ángel, Tovar Hernández, María Ana

“…Branchiae are composed by 3–4 filaments, and the first chaetiger is uniramous. A taxonomic key for species distributed in the Gulf of California is presented. …”
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Las Serpientes Venenosas del Noreste de México I.: Cantil de Taylor (Agkistrodon taylori) por de Luna, Manuel, García Barrios, Roberto Carlos, Lazcano-Villarreal, David, Montoya-Ferrer, Daniel

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New records of invasive tubeworms (Ficopomatus, Serpulidae) in Mexico por Tovar Hernández, María Ana, De León González, Jesús Ángel, Kupriyanova, Elena K.

“…Molecular genetics studies are needed to confirm the taxonomic and invasive status of F. uschakovi.…”
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Distribución corporal de garrapatas (Acari: Ixodidae y Argasidae) asociadas a Odocoielus virginianus (Artiodactyla: Cervidae) y Ovis canadensis (Artiodactyla: Bovidae) en tres esta... por Cuesy León, Mariana, Molina Garza, Zinnia Judith, Mercado Hernández, Roberto, Galaviz Silva, Lucio

“…Las garrapatas impactan como vectores por transmitir patógenos de importancia médica y veterinaria en México, pero los estudios taxonómicos de abundancia, prevalencia, intensidad y preferencia en la distribución corporal de venado cola blanca (Odocoileus virginianus) y borrego cimarrón (Ovis canadensis) son precarios, por lo cual estos fueron los objetivos del presente trabajo en Sonora, Nuevo León y Tamaulipas, México. …”
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El Catán: Rescate de un recurso acuícola por Mendoza Alfaro, Roberto E., Aguilera González, Carlos J., Montemayor Leal, Jesús

“…Considerando este contexto, el Grupo Ecofisiología dela Facultad de Ciencias Biológicas, UANL, generó un conjunto de estrategias de investigación para desarrollar su cultivo en cautiverio y disminuir así la presión por la actividad pesquera, lo cual contribuye a la solución de un problema de índole faunístico, por ser una especie nativa cuyas poblaciones tienden a desaparecer; de índole comercial, por tratarse de una pesquería tradicional; y de un gran valor científico, por tratarse de organismos primitivos cuyo origen se remonta al Cretácico y que representan relictos taxonómicos y biogeográficos. Este trabajo recoge la información generada por el grupo de investigación en ecofisiología de la Facultad de Ciencias Biológicas-UANL, durante 20 años de estudios sobre esta especie de catán.…”
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A new parrot taxon from the Yucatán Peninsula, Mexico—its position within genus Amazona based on morphology and molecular phylogeny por Silva, Tony, Guzmán, Antonio, Urantówka, Adam D., Mackiewicz, Paweł

“…However, taken together tree topology tests and morphometric analyses, we can conclude that the new parrot represents a recently evolving species, whose taxonomic status should be further confirmed. This lineage diverged from its closest relative about 120,000 years ago and was subjected to accelerated morphological and behavioral changes like some other representatives of the genus Amazona. …”
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Synopsis of the pelidnotine scarabs (Coleoptera, Scarabaeidae, Rutelinae, Rutelini) and annotated catalog of the species and subspecies por Moore, Matthew R., Jameson, Mary L., Garner, Beulah H., Audibert, Cédric, Smith, Andrew B. T., Seidel, Matthias

“…These beetles suffer from a complicated nomenclatural history, due primarily to 20th century taxonomic and nomenclatural errors. We review the taxonomic history of the pelidnotine scarabs, present a provisional key to genera with overviews of all genera, and synthesize a catalog of all taxa with synonyms, distributional data, type specimen information, and 107 images of exemplar species. …”
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Biochemical systematics and population genetic structure of Anopheles pseudpunctipennis, vector of malaria in central and South America. por Manguin, S, Roberts, Donald R., Peyton, E.L., Fernández Salas, Ildefonso, Barreto, M., Fernández, R.

“…An electrophoretic survey of 42 populations of Anopheles pseudopunctipennis collected throughout its known geographic distribution was performed to clarify the taxonomic status of this important malaria vector species. …”
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Sistemática del pez Petenia splendida (Perciformes: Cichlidae) en el lago Petén Itzá, Guatemala por Méndez, Amaitté, García, María Elena, Lozano, Lourdes

“…The main goal of the present work was to clarify the taxonomic position of the two forms of the white fish in Petén (Guatemala), and to compare it with the Usumacinta (Mexico) form, based on the collected material from 1978 and 2006 (Usumacinta), and collections made during 2008 and 2009 in the Lake Petén Itzá. …”
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Sistemática y distribución geográfica de la familia Capitellidae Grube, 1862 (Annelida: Polychaeta) del noroeste de México por García Garza, María Elena

“…The need to conduct taxonomical review of the Capitellidae family has been considered by various authors, it is evidenced that it taxonomical status is not well established, because they are based on their number of thoracic segments with capillary setae, which suffer modification during the development of the organisms. …”
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Sistemática y distribución geográfica de la familia Capitellidae Grube, 1862 (Annelida: Polychaeta) del noroeste de México por García Garza, María Elena

“…The need to conduct taxonomical review of the Capitellidae family has been considered by various authors, it is evidenced that it taxonomical status is not well established, because they are based on their number of thoracic segments with capillary setae, which suffer modification during the development of the organisms. …”
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Diversidad de macromicetos en el Estado de Tamaulipas, México Diversity of macrofungi in the Tamaulipas State, México por García Jiménez, Jesús

“…Se estudió también la diversidad de especies de hongos del Orden Boletales de los estados de Tamaulipas, Nuevo León y Coahuila y en él se registran 165 taxones del grupo de hongos mencionado basados en la clasificación de Singer (1986) y de Binder & Hibbett (2006) y se discuten aspectos taxonómicos, ecológicos y biogeográficos de las especies estudiadas. …”
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Diversidad de macromicetos en el Estado de Tamaulipas, México Diversity of macrofungi in the Tamaulipas State, México por García Jiménez, Jesús

“…Se estudió también la diversidad de especies de hongos del Orden Boletales de los estados de Tamaulipas, Nuevo León y Coahuila y en él se registran 165 taxones del grupo de hongos mencionado basados en la clasificación de Singer (1986) y de Binder & Hibbett (2006) y se discuten aspectos taxonómicos, ecológicos y biogeográficos de las especies estudiadas. …”
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Discovery of a Novel Polyomavirus in Acute Diarrheal Samples from Children por Ramqvist, Torbjörn, Yu, Guixia, Greninger, Alexander L., Isa, Pavel, Phan, Tung G., Martínez, Miguel Angel, De la Luz Sanchez, Maria, Contreras, Juan Francisco, Santos Preciado, José Ignacio, Parsonnet, Julie, Miller, Steve, DeRisi, Joseph L., Delwart, Eric, Arias Ortiz, Carlos Federico, Chiu, Charles Y.

“…The ,5.0 kB viral genome exhibits little overall homology (,46% amino acid identity) to known polyomaviruses, and, due to phylogenetic variation among its individual proteins, cannot be placed in any existing taxonomic group. PCR-based screening detected MXPyV in 28 of 834 (3.4%) fecal samples collected from California, Mexico, and Chile, and 1 of 136 (0.74%) of respiratory samples from Mexico, but not in blood or urine samples from immunocompromised patients. …”
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Códigos de barras de la vida, una herramienta para conocer y conservar la biodiversidad por Lara Rivera, Ana Laura, López López, María de Jesús, Cervantes Díaz, Lourdes

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Anfibios y reptiles de la región de los Chimalapas, Istmo de Tehuantepec, Oaxaca, México:: composición, categorización distribucional, estado de conservación y significado para la... por García-Padilla, Elí, Mata-Silva, Vicente, Villalobos-Juárez, Iván, López-Esquivel, Eduardo Alexis, Lavariega, Mario C., Rocha, Arturo, DeSantis, Dominic L., Melgar-Martínez, Ana Iris, Johnson, Jerry D., Fucsko, Lydia Allison, Lazcano, David, Wilson, Larry David

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Characterization of lignocellulolytic activities from fungi isolated from the deep-sea sponge Stelletta normani por Balestrini, Raffaella, Batista García, Ramón Alberto, Sutton, Thomas, Jackson, Stephen A., Tovar Herrera, Omar Eduardo, Balcázar López, Edgar, Sánchez Carbente, María del Rayo, Sánchez Reyes, Ayixon, Dobson, Alan D. W., Folch Mallol, Jorge Luis

“…Following screening of fourteen fungi isolated from the deep-sea sponge Stelletta normani sampled at a depth of 751 metres, three halotolerant strains (TS2, TS11 and TS12) were identified which displayed high CMCase and xylanase activities. Molecular based taxonomic approaches identified these strains as Cadophora sp. …”
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High diversity and suggested endemicity of culturable Actinobacteria in an extremely oligotrophic desert oasis por Arocha Garza, Héctor Fernando, Canales del Castillo, Ricardo, Eguiarte, Luis E., Souza, Valeria, De la Torre Zavala, Susana

“…Phylogenetic reconstructions were performed to analyze OTUs clustering and taxonomic identification of the isolates in an evolutionary context, using validated type species of Streptomyces from previously phylogenies as a reference. …”
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