Search results for: Cibele Cardoso

Items from 1 to 10 out of 10 results

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Global meta‐network of legume crops and floral visitors reveals abundance of exotic bees

Cristiane de Souza Paulino, Camila Silveira Souza, Emmanuel Santa‐Martinez, Natan Messias Almeida, more

Journal of Applied Entomology > 146 > 3 > 252 - 261

Legume crops (family Fabaceae, order Fabales) constitute a relevant component of the human food supply. In view of the global decline in crop production, as a result of increasing threats (such as habitat fragmentation and land use change) to pollinators, knowledge concerning legume floral visitors can contribute to world food security. In this study, a synthesis was performed of global data on interactions...

article

Plant–animal interactions of understory species in an area of tropical rainforest, north‐eastern Brazil

Leonardo Barbosa Silva, Jacilene Bezerra Silva, Camila Silveira Souza, Murilo Menck Guimarães, more

Austral Ecology > 46 > 4 > 561 - 573

We studied the reproductive attributes (reproductive phenology, pollination and seed dispersion) of understory woody species from a rainforest area in the Araripe‐Apodi National Forest (FLONA), NE Brazil. The FLONA has a representative number of fauna and flora species that are important for the local climatic, hydrological and ecological equilibrium of the region. The community was composed of 68...

article

A multilayer network in an herbaceous tropical community reveals multiple roles of floral visitors

Geiza de Oliveira Lima, Ana Virgínia Leite, Camila Silveira Souza, Cibele Cardoso Castro, more

Oikos > 129 > 8 > 1141 - 1151

Flower visitation does not necessarily mean pollination. In this sense, floral visitors can either act as mutualists (pollinators) or antagonists (floral robbers/thieves), indicating that these interactions are part of a continuum and that a visitor species can present multiple behaviours. We included both mutualistic and antagonistic interactions between plants and floral visitors in a multilayer...

article

The lncRNA RMEL3 protects immortalized cells from serum withdrawal‐induced growth arrest and promotes melanoma cell proliferation and tumor growth

Cibele Cardoso, Rodolfo B. Serafim, Akinori Kawakami, Cristiano Gonçalves Pereira, more

Pigment Cell & Melanoma Research > 32 > 2 > 303 - 314

RMEL3 is a recently identified lncRNA associated with BRAFV600E mutation and melanoma cell survival. Here, we demonstrate strong and moderate RMEL3 upregulation in BRAF and NRAS mutant melanoma cells, respectively, compared to melanocytes. High expression is also more frequent in cutaneous than in acral/mucosal melanomas, and analysis of an ICGC melanoma dataset showed that mutations in RMEL3 locus...

article

Bark and latex harvesting short-term impact on native tree species reproduction

Jacilene Bezerra Silva, Leonardo Barbosa Silva, Ulysses Paulino Albuquerque, Cibele Cardoso Castro

Environmental Monitoring and Assessment > 2018 > 190 > 12 > 1-13

The bark and the latex of plants constitute non-timber forest products (NTFPs) of medicinal and economic value that are widely harvested throughout the world. Bark and latex harvesting impacts on plant reproduction are controversial in the literature. Some species are negatively impacted, some do not show any response, and others may exhibit higher flower and fruit production after harvesting. In...

article

Optimal Foraging Theory Perspectives on the Strategies of Itinerant Beekeepers in Semiarid Northeast Brazil

Andrêsa Suana Argemiro Alves, André Luiz Borba Nascimento, Ulysses Albuquerque, Cibele Cardoso Castro

Human Ecology > 2017 > 45 > 3 > 345-355

Foraging theory has been widely used to understand patterns associated with obtaining resources and the optimal cost-benefit relationship between forager and resource. However, many analytical theoretical models do not consider the influence of social groups on forager strategy. We analyzed strategies for obtaining resources from two perspectives: individual and social. For the first, we tested hypotheses...

article

Breeding systems of enantiostylous Cassiinae species (Fabaceae, Caesalpinioideae)

Natan Messias Almeida, Thatiany Teixeira Bezerra, Carlos Roberto Silva Oliveira, Reinaldo Rodrigo Novo, more

Flora > 2015 > 215 > Complete > 9-15

The floral morphology of enantiostylous species favours pollen flow between floral morphs because it relegates pollen deposition and capture to opposite sides of a pollinator's body. This functionality of floral morphology acts as a barrier to spontaneous self-pollination. Although numerous enantiostylous species exhibit this pattern, there are a number of variations, which might play important roles...

article

Forest succession and distance from preserved patches in the Brazilian semiarid region

Clarissa Gomes Reis Lopes, Elba Maria Nogueira Ferraz, Cibele Cardoso de Castro, Elifábia Neves de Lima, more

Forest Ecology and Management > 2012 > 271 > Complete > 115-123

Preserved vegetation fragments can serve as islands or germplasm banks that aid in the recuperation of anthropogenically degraded areas. The present study evaluated the effects of the distance to a preserved forest fragment on the recuperation of an abandoned agricultural field that had been naturally regenerating for 15years in Caruaru, PE, Brazil. Seven 240m transects were laid out perpendicular...

article

Do the phenology and functional stem attributes of woody species allow for the identification of functional groups in the semiarid region of Brazil?

André Luiz Alves Lima, Everardo Valadares Sá Barretto Sampaio, Cibele Cardoso Castro, Maria Jesus Nogueira Rodal, more

Trees > 2012 > 26 > 5 > 1605-1616

The phenology of tree species in environments that are subject to strong climatic seasonality is mainly determined by water availability, which may vary as a function of wood density. The relationship among phenology, water potential, wood density and the capacity of water storage in the stem were determined for woody species of caatinga vegetation (dry forest) in the semiarid region of NE Brazil...

article

Distyly and sequential pollinators of Psychotria nuda (Rubiaceae) in the Atlantic rain forest, Brazil

Cibele Cardoso de Castro, Andrea Cardoso Araujo

Plant Systematics and Evolution > 2004 > 244 > 3-4 > 131-139

Reciprocal herkogamy is known to promote intermorph-pollination in distylous species, which are generally self- and intramorph-incompatible. Legitimate crossing rates are also influenced by pollinator foraging strategy, which determines most of the pollen flow in natural populations. This study reports on the floral morphology, compatibility relations and pollination biology of Psychotria nuda (Cham...

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