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Isabel Alves-dos-Santos
University of São Paulo
69Publications
14H-index
791Citations
Publications 69
Newest
Published on Feb 22, 2019in Protoplasma 2.63
Elder Antônio Sousa Paiva18
Estimated H-index: 18
(UFMG: Universidade Federal de Minas Gerais),
Stefan Dötterl31
Estimated H-index: 31
(University of Salzburg)
+ 7 AuthorsDenise Maria Trombert Oliveira14
Estimated H-index: 14
(UFMG: Universidade Federal de Minas Gerais)
Caryocar brasiliense is a flagship species of the Brazilian Cerrado. It produces flowers with a strong peculiar scent, which are pollinated by bats and occasionally moths with short mouthparts. However, the cues responsible for attracting these nocturnal pollinators remain unknown. We aimed to identify osmophores of C. brasiliense, describe the ultrastructure of the cells involved in the synthesis and release of floral odour, and identify the constituents of the floral bouquet. We performed fiel...
Published on Jun 1, 2019in Phytochemistry 2.90
Guaraci Duran Cordeiro6
Estimated H-index: 6
(USP: University of São Paulo),
Isabelle Guimarães Fernandes dos Santos (USP: University of São Paulo)+ 3 AuthorsStefan Dötterl31
Estimated H-index: 31
(University of Salzburg)
Abstract Communication between plants and nocturnal pollinators in low light conditions is mainly guided by floral scents, which is well documented for plants pollinated by bats, moths, and beetles. Just recently, nocturnal bees have been added to the list of pollinators known to respond to floral scents of their host plants. Little is known about the floral scent chemistry of plants visited and pollinated by nocturnal bees. Among these plants are economically important fruit crops of the family...
Published on Apr 1, 2019in Arthropod-plant Interactions
Liedson Tavares Carneiro2
Estimated H-index: 2
(USP: University of São Paulo),
Camila Bárbara Danny Silva André1
Estimated H-index: 1
+ 1 AuthorsIsabel Alves-dos-Santos14
Estimated H-index: 14
(USP: University of São Paulo)
Oil-producing flowers have evolved specialized traits along with the ability to secrete oil as reward, leading to the expectation of a narrow relationship between floral architecture and oil-collecting behaviours of pollinators. Krameriaceae flowers have a showy calyx and a less conspicuous dimorphic corolla modified into a pair of elaiophores that secrete the oil, and a group of petaloid petals that, among oil-collecting bees, are used by only Centris (Centridini) during the oil gathering. A ma...
Published on Apr 1, 2019in Arthropod-plant Interactions
William de Oliveira Sabino2
Estimated H-index: 2
(USP: University of São Paulo),
Isabel Alves-dos-Santos14
Estimated H-index: 14
(USP: University of São Paulo),
Cláudia Inês da Silva9
Estimated H-index: 9
(USP: University of São Paulo)
Centris species collect floral oil and use this resource in larval food and for waterproofing their cells. We investigated the trophic niche of three distinct populations of Centris burgdorfi, a widely distributed bee in Brazil, by using pollen collected from female bees. Our goal was to determine whether there is versatility regarding sources of oil, nectar, and pollen in different regions of Brazil. By using the pollen, we also determined whether the source of oil used corresponded to the coll...
Published on Oct 1, 2018in Arthropod-plant Interactions
Estefane Siqueira1
Estimated H-index: 1
(UFMG: Universidade Federal de Minas Gerais),
Reisla Oliveira6
Estimated H-index: 6
+ 4 AuthorsClemens Schlindwein20
Estimated H-index: 20
(UFMG: Universidade Federal de Minas Gerais)
With plants whose flowers open at night and stay open during the day, nocturnal pollinators may exploit floral resources before diurnal competitors. Moths, bats, and beetles are the most familiar nocturnal pollinators, whereas nocturnal bees as pollinators remain poorly understood. The common Cerrado tree Machaerium opacum (Fabaceae) has white and strongly scented melittophilous flowers, which first open at the night and remain open during the day and, thus, have the potential to be visited by b...
Published on Sep 28, 2018in PLOS ONE 2.78
Sebastian Koethe2
Estimated H-index: 2
(HHU: University of Düsseldorf),
Sarah Banysch (HHU: University of Düsseldorf)+ 1 AuthorsKlaus Lunau25
Estimated H-index: 25
(HHU: University of Düsseldorf)
Bees use floral colour as a major long distance orientation cue. While it is known for bumblebees and honeybees that dominant wavelength (≙ colour hue), colour contrast and spectral purity (≙ saturation) are crucial for flower detection and discrimination, only little is known about colour preferences in stingless bees (Meliponini). In this experiment freely flying workers of two Brazilian species of stingless bees–Partamona helleri and Melipona bicolor–were tested for colour preferences concern...
Published on Jul 31, 2018in Frontiers in Plant Science 4.11
Cristiane Krug2
Estimated H-index: 2
(Empresa Brasileira de Pesquisa Agropecuária),
Guaraci Duran Cordeiro6
Estimated H-index: 6
(USP: University of São Paulo)
+ 5 AuthorsIsabel Alves-dos-Santos14
Estimated H-index: 14
(USP: University of São Paulo)
Floral scent is an important component of the trait repertoire flowering plants use to attract and manipulate pollinators. Despite recent advances during the last decades about the chemicals released by flowers, there is still a large gap in our understanding of chemical communication between flowering plants and their pollinators. We analyzed floral scents of guarana (Paullinia cupana, Sapindaceae), an economically important plant of the Amazon, using chemical analytical approaches, and determi...
Published on Jun 1, 2017in Arthropod-plant Interactions
Isabel Alves-dos-Santos14
Estimated H-index: 14
,
Isabel Cristina Machado21
Estimated H-index: 21
(UFPE: Federal University of Pernambuco)
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