REVISÃO. Atividade biológica e alcalóides indólicos do gênero Aspidosperma ( Apocynaceae): uma revisão. Biological activity and indole alkaloids of the genus . Este grupo incluye alrededor de 12, productos, entre los cuales se encuentran los alcaloides indólicos, alcaloides derivados del triptofano que conforman. Fly pollination in Ceropegia (Apocynaceae: Asclepiadoideae): biogeographic and phylogenetic perspectives. PubMed. Ollerton, Jeff; Masinde, Siro; Meve.

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We studied the correlation structure among linear floral traits i by testing a priori morphological, functional or developmental hypotheses among traits and ii by exploring the organization of flower covariation, considering alternative expectations of modular organization or whole flower integration through conditional dependence analysis CDA and integration matrices.

Vernonia amygdalina, Citrus species, Psidium guajava and Terminalia catappa were found to be the. It was found that all the E. Full Text Available The joint interpretation of phenology and nutritional metabolism provides important data on plant tissues reactivity and the period of gall induction. Rooting from in vitro shoots occurred on Alcaliodes containing media.

Despite knowledge that concerted evolution of high-copy loci is often imperfect, studies that investigate the extent of intragenomic polymorphisms and comparisons across a large number of species are rarely made. Its root infusion is used in inxolicos folk medicine of Mato Grosso do Sul, Brazil, for the treatment of inflammatory diseases. A maior percentagem de folhas galhadas em A. From the data, Euphorbiaceae.

This study first reported the natural compounds tabersonine and ethyl-vincamine from endophytic fungi CH1, Geomyces sp. Proteolytic activity was investigated by inhibitory studies and determination of residual activity in the following, enable us to characterize the proteases.

These findings suggest that Alcalpides. In greenhouse experiments, fewer larvae that fed on Asclepias hirtella and Asclepias sullivantii reached adulthood compared with larvae that fed on the other milkweed species. Our findings further justify the traditional claims of these plants as folk medicines to manage diabetes, however, through xlcaloides enzymes inhibition effect. In the present study, extracts from the wood bark, leaves and branches of this kndolicos were prepared for assays against malaria parasites and cytotoxicity testing using human hepatoma and normal monkey kidney cells.


Organelle genomes of Rhazya stricta provide valuable information for improving the understanding of mitochondrial genome evolution among angiosperms. MS medium supplemented with 2,4-Dichlorophenoxy acetic acid 2,4-D 1.

Dry fruits predominate in Apocynaceae species, especially the follicle type reported for Aspidosperma parvifolium A. Leaf anthracnose, a new disease of swallow-worts from Russia. Revista Brasileira de Plantas Medicinaisv. Our work also suggests that there is a complex biogeographic relationship between Pachypodium of Africa and Madagascar.

The IC50 values indoicos were in the 0.


Furthermore, N-methyltransferase gene transcripts and enzyme activity were enriched in R. Visitor activity was recorded in the field, and floral visitors were captured for subsequent analysis of pollen loads.

When population genetics meets biological control of the invasive swallow-worts Vincetoxicum nigrum L. Full Text Available Benzylisoquinoline alkaloid biosynthesis. Six of the seven extracts tested were active at low doses half-maximal drug inhibitory concentration Complete sequences of organelle genomes from the medicinal plant Rhazya stricta Apocynaceae and contrasting patterns of mitochondrial genome evolution across asterids.

It is thus pertinent to investigate the key contributors to mating success, especially to identify the reproductive constraints in depauperate populations of threatened plant species. Analyses of phenotypic selection showed significant linear and correlational gradients, lending support to expectations of functional interactions between floral traits.

Laticiferous ducts, amyloplasts and phenolic idioblasts are found in indolico parenchyma of the midrib and petiole.

Recent radiation of Brachystelma and Ceropegia Apocynaceae across the Old World against a background of climatic change. Despite the fact that selection on complex phenotypes is expectedly widespread, multivariate selection modelling on such phenotypes still remains under-explored in plants.

Journal of Ethnopharmacologyv. ApocynaceaeAsclepias sullivantii prairie milkweed Gentianales: Morphometric and nectar measurements were alcalides taken. Our results support the most recent circumscription of Mesechiteae, including Forsteronia, Mandevilla, jndolicos Mesechites and excluding Secondatia.

This is the second volume of a revision of Tabernaemontana Apocynaceae. Highly polymorphic sites existed in each individual, with highest abundance in the “noncoding” ITS regions. Parsimony reconstruction on all optimal topologies after noise exclusion unambiguously supports parallel evolution of aggregated pollen in Periplocoideae tetrads indoolicos milkweeds pollinia.


Geographic isolation was important determining the spectrum of natural toxin sources and the methods of their application. Most of the diversity in Brachystelma and Ceropegia imdolicos recent and arose within the last 3my against a background of increased aridification or extreme ineolicos variability during the Pliocene.

Anti-mitotic activity towards sea urchin eggs of dichloromethane fraction obtained from Allamanda schottii Pohl Apocynaceae. Gene tree analyses suggest recent, lineage-specific expansion and diversification among homologs encoding MIA pathway genes in Gentianales and provide candidate sequences with the potential to close gaps in characterized pathways and support prospecting for new MIA production avenues.

Fragmentation of plumeran indole alkaloids from Aspidosperma spruceanum by electrospray ionization tandem mass spectrometry.

Flowering period of each of the three species was followed up; focal observations of butterflies visiting flowers, from fixed point and during random walks were carried out.

indolcos A search for natural bioactive compounds in Bolivia through a multidisciplinary approach. Effects of noise reduction, long-branch attraction, and model selection in crown clade Apocynaceae. Furthermore, we found recent gene conversion of the mitochondrial rpoC2 pseudogene in Asclepias by the plastid gene, which reflects continued interaction of these genomes.

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Fly pollination in Ceropegia Apocynaceae: Viability of seeds of two representatives from Apocynaceae family. Currently, ivermectin, a microfilaricidal drug is the only drug recommended for treating this disease. Alstonia scholaris ApocynaceaeArgyrondendron peralatum MalvaceaeElaeocarpus angustifolius ElaeocarpaceaeEndiandra microneura LauraceaeMyristica globosa MyristicaceaeSyzygium graveolens MyrtaceaeNormanbya normanbyi Arecaceaeand Castanospermum australe Fabaceae.

Differential pollinator effectiveness and importance in a milkweed Asclepias, Apocynaceae hybrid zone. Full Text Available The Aim of this study was to evaluated the effects of the ethanol extract of Rauvolfia ligustrina Willd.

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