Results 11 to 20 of about 1,455 (134)
Chemical Composition and Biological Activities of Geopropolis From Four Melipona Species From the Brazilian Atlantic Forest. [PDF]
Chem BiodiversGeopropolis from four Melipona species collected in the Brazilian Atlantic Forest during the dry and rainy seasons was chemically characterized by ESI(‐)‐FT‐ICR MS and evaluated for antioxidant, anti‐inflammatory, and antifungal activities, demonstrating species‐ and season‐dependent variation in its chemical composition and biological properties ...
Bergamini APC +10 more
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Antioxidant Activities of Pentacyclic Triterpenes From Melipona beecheii Propolis and Their Semisynthetic Derivatives. [PDF]
Chem BiodiversM. beecheii propolis contains eleven identified PTs, including germanicone and glutinol, reported for the first time in this material. Antioxidant assays reveal Fe(III)‐reducing activity at an effective concentrations lower than DPPH radical‐scavenging activity.
Santana-Hernández A +7 more
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Scientific Reports, 2021 In bees from genus Melipona, differential feeding is not enough to fully explain female polyphenism. In these bees, there is a hypothesis that in addition to the environmental component (food), a genetic component is also involved in caste ...
Luiza Diniz Ferreira Borges +9 more
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Genetics and Molecular Biology, 2018 The genus Melipona is subdivided into four subgenera based on morphological characteristics, and two groups based on cytogenetic patterns. The cytogenetic information on this genus is still scarce, therefore, the goal of this study was to characterize ...
Marina Souza da Cunha +7 more
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Scientia Agricola, 2011 Cytogenetic analysis of the Amazon stingless bee Melipona seminigra merrillae, by conventional Giemsa staining and C-banding, revealed a different chromosome number for Melipona: 2n = 22 for females and diploid drones while the haploid drones present n =
Izaura Bezerra Francini +3 more
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Acta Amazonica, 2004 Avaliou-se os constituintes nutricionais de amostras do mel e pólen das espécies Melipona seminigra merrillae (jandaíra), Melipona compressipes manaosensis (jupará), Melipona rufiventris paraensis (uruçu boca de ralo), provenientes do meliponário da ...
Rosa Cristina da Silva Souza +3 more
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European Journal of Entomology, 2022 The stingless bee Melipona (Michmelia) seminigra Friese is a polytypic species widely distributed in Brazilian Amazon and Bolivia. Seven subspecies are recognized, four are described, which inhabit mutually exclusive areas in the Amazon basin, although ...
Izaura Bezerra FRANCINI +6 more
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Anais da Academia Brasileira de Ciências, 2006 We have compared gene expression, using the Differential Display Reverse Transcriptase - Polymerase Chain Reaction (DDRT-PCR) technique, by means of mRNA profile in Melipona scutellaris during ontogenetic postembryonic development, in adult worker, and ...
Flávia A. Santana +6 more
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L'activité de butinage des Apoides sauvages (Hymenoptera Apoidea) sur les fleurs de maïs à Yaounde (Cameroon) et réflexions sur la pollinisation des graminées tropicales [PDF]
Biotechnologie, Agronomie, Société et Environnement, 2002 The gatering activity of wild bees (Hymenoptera Apoidea) on flowers of maize at Yaound (Cameroon) and further considerations on pollination of the tropical Gramineae.
Tchuenguem-Fohouo F.N. +2 more
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Caryologia, 2019 Heterochromatic patterns in the genus Melipona vary among subgenera species. Melikerria is the only subgenus that presents species with different content of heterochromatin.
Natália Martins Travenzoli +4 more
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