Results 51 to 60 of about 559,485 (280)

Sustained exocytosis after action potential-like stimulation at low frequencies in mouse chromaffin cells depends on a dynamin-dependent fast endocytotic process [PDF]

open access: yes, 2016
Under basal conditions the action potential firing rate of adrenal chromaffin cells is lower than 0.5 Hz. The maintenance of the secretory response at such frequencies requires a continuous replenishment of releasable vesicles.
Alvarez, Yanina Daniela   +7 more
core   +1 more source

Estrutura genética da raça Gir Mocha registrada no Brasil

open access: yesBoletim de Indústria Animal, 2013
Utilizando dados do registro genealógico de animais da raça Gir Mocho, nascidos entre 1976 e 1998, foram calculadas a endogamia, o tamanho efetivo e avaliada a variabilidade genética desta raça por meio dos parâmetros de probabilidade de origem do gene.
Fábio José Carvalho Faria   +3 more
openaire   +4 more sources

Floral trait similarity at the community‐level increases reproductive success suggesting facilitation through pollinator sharing

open access: yesOikos, EarlyView.
The ability of plants to attract pollinators is context‐dependent, influenced by floral traits, abundance, and resources from the plant community. Indirect interactions through shared pollinators, from competition to facilitation, may lead to varied reproductive outputs in plants, and the mechanisms behind these interactions remain to be fully ...
Marsal D. De Amorim   +6 more
wiley   +1 more source

Inferencia del origen del bovino Criollo Cubano a través del análisis de patri- y matrilinajes [PDF]

open access: yes, 2011
Antes de descubrimiento, no existían bovinos en América. Los primeros, fueron introducidos en la Antillas Mayores (La Española, Puerto Rico, Jamaica y Cuba), y desde allí trasladados al resto de Latinoamérica.
Acosta, A.   +7 more
core   +2 more sources

Urbanization and food transition in the Brazilian Amazon: From wild to domesticated meat

open access: yesPeople and Nature, EarlyView.
Abstract Urbanization is expected to influence food transitions, resulting in a shift from wild foods to more domesticated foods. Concomitantly, food insecurity and urban demand for natural resources, including wildlife, are expected to increase overall, even when the per capita consumption is expected to decrease.
Willandia A. Chaves   +7 more
wiley   +1 more source

Tendência genética para persistência da lactação em vacas Gir leiteiro

open access: yesBoletim de Indústria Animal, 2013
O artigo não apresenta resumo em português.
Manuela Pires Monteiro da Gama   +5 more
openaire   +5 more sources

Transgenic tobacco plants expressing the Potato virus X open reading frame 3 gene develop specific resistance and necrotic ring symptoms after infection with the homologous virus [PDF]

open access: yes, 2001
Tobacco plants were transformed with the open reading frame 3 gene from Potato virus X (PVX) coding for the p12 protein. Although the transgenic plants exhibited a normal morphological aspect, microscopic examination revealed extensive alterations in ...
Cabral, Silvia   +4 more
core   +1 more source

The potential of seedbank digital information in plant conservation

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Seedbanks are vital for biodiversity conservation, but their potential remains underutilised due to a limited understanding of the intraspecific genetic diversity they hold. By leveraging digitised data associated with seedbank collections, such as sampling locations, number of maternal plants and seed traits, we can attempt the estimation of genetic ...
Roberta Gargiulo   +23 more
wiley   +1 more source

Phylogeny and historical biogeography of the Pachira sensu lato clade (Bombacoideae, Malvaceae) with a new infrageneric classification

open access: yesTAXON, EarlyView.
Abstract We explore phylogenetic relationships within the Pachira sensu lato clade (Bombacoideae, Malvaceae), test the monophyly of the genera Eriotheca and Pachira, and investigate their biogeographic history. The Pachira s.l. clade comprises ca. 72 species that traditionally have been placed in Eriotheca and Pachira. We sampled ca. 79% of its species
Vania Nobuko Yoshikawa   +7 more
wiley   +1 more source

Tuberculose multirresistente: Detecção directa em amostras respiratórias com o método de genética molecular MTBDRplus®

open access: yesRevista Portuguesa de Pneumologia, 2009
Resumo: Uma das principais problemáticas no controlo da tuberculose é o aparecimento de casos de tuberculose multirresistente (TB-MR) e tuberculose extensiva-mente resistente (TB-XDR). A detecção precoce da resistência a fármacos, directamente a partir de amostras respiratórias, é essencial para que se assegure o tratamento atempado, adequado e
Rita Macedo   +2 more
openaire   +1 more source

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