The Gametophytes of Taxus Canadensis Marsh

Reproductive Biology of the Monoecious Clonal Shrub Taxus canadensis

The Yew-nique Presence of Yew (Taxus canadensis) on Pells Island

Canada yew (Taxus Canadensis) can be found in abundance on Pells Island, but nowhere else on UMBS property around Douglas Lake in Pellston, Michigan. One hypothesis is that the presence of yew on Pells Island is due to the fact that deer, the yew’s main consumer, do not cross over to the island. We compared the ecological conditions on Pells Island to two other ecologically similar areas, testi...

Two new 11(15-->1)abeotaxanes with a 2,20-epoxy ring from the needles of Taxus canadensis.

Two 11(15-->1)abeotaxanes having a tetrahydrofuran ring along the carbon atoms C-2, C-3, C-4, C-20 were identified for the first time from the needles of the Canadian yew, Taxus canadensis. The compounds could be identified as 4alpha,10beta,13alpha-triacetoxy-15-benzoyloxy-2alpha,20beta-epoxy-11(15-->1)abeotax-11-ene-5alpha,7beta,9alpha-triol (1) and 4alpha,7beta,9alpha,10beta,15-pentaacetoxy-2...

Kinetic studies of paclitaxel production by Taxus canadensis cultures in batch and semicontinuous with total cell recycle.

Suspension cultures of Taxus canadensis were elicited with methyl jasmonate (MJ) under defined headspace ethylene concentrations. Kinetic studies of growth, nutrient consumption, pH variation, and paclitaxel accumulation were conducted in batch cultures and semicontinuous culture with total cell recycle. A dramatic increase of paclitaxel was obtained when the cultures were elicited with 100 mic...

the effect of taftan pozzolan on the compressive strength of concrete in the environmental conditions of oman sea (chabahar port)

cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...