Conidiomata of a fungus resembling Chrysoporthe cubensis, a serious canker pathogen of Eucalyptus spp. (Myrtaceae, Myrtales) in tropical and subtropical parts of the world, was found on Eucalyptus grandis in Colombia. Fruiting structures of the fungus could be distinguished from those of C. cubensis by their distinctly orange conidiomatal necks. This fungus also was found on several plant speci...

Chrysophorte cubensis induced canker occurs in nearly all tropical and subtropical regions where eucalypts are planted, causing losses in both wood quality and volume productivity, especially so in the warmer and more humid regions of Brazil. The wide inter and intra-specific genetic variability of resistance to canker among Eucalyptus species facilitates the selection of resistant plants. In t...

The abundance of freshwater snails in two rural sites of Pinar del Río, Cuba, which harbor Pseudosuccinea columella susceptible and resistant to miracidia of Fasciola hepatica was followed for one year. Susceptible snails were found in the most anthropic site (IPA) whereas the resistant population inhabited the most preserved one (El Azufre). Only two snail species coexisted with P. columella a...

Landscape features impact gene flow and the spatial patterns of genetic variation between populations a species. Because many Magnoliaceae species occur in fragmented highly disturbed landscapes, family provide an excellent model for landscape studies. This research focuses on subspecies subpopulations Magnolia cubensis aims to: (1) compare diversity different their subpopulations, (2) search d...

Commercial plantations of Eucalyptus species have been established in Malaysia, especially during the past 10 years, with aim sustaining supply wood and timber products for industrial use Malaysia. As part an assessment fungal diseases affecting four regions including Kelantan, Pahang, Sabah, Selangor, stem canker disease was discovered to be a widespread infecting This study aimed identify fun...

Background and objectives: Considering the increasing prevalence of depression, many studies are launched to investigate new antidepressant treatments. The present research has shown how psilocybin as an active compound of Psilocybe cubensis (Earle) Singer extract (PCE) can change the parameters related to depression and anxiety in animal models. Both ...

The biosynthesis of psilocybin has been investigated by feeding labelled precursors to Psilocybe cubensis. The following specifically labelled compounds were synthesized: psilocin-H, 4hydroxytryptamine-, N,N-dimethyltryptamine-C and --H, N-methyltryptamine-C-H and DLtryptophan-H. A number of other indoles were labelled by acid catalyzed exchange in tritiated water. The experimental data suggest...

Analysis of Psilocybe cubensis (Earle) Singer grown in controlled culture showed that the level of psilocin was generally zero in the first (or sometimes even the second) fruiting of the mushroom from a given culture and that the level reached a maximum by the fourth flush. The level of psilocybin, which was nearly always at least twice the level of psilocin, showed no upward or downward trend ...