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Effects of cyanobacterial toxins and cyanobacterial cell‐free crude extract on germination of alfalfa (Medicago sativa) and induction of oxidative stress
Reactive oxygen detoxifying enzymes were elevated, showing a marked response in alfalfa to oxidative stress caused by the exposure to cyanobacterial metabolites that might influence the growth and development of these plants negatively.
Transfer of phloem-mobile substances from the host plants to the holoparasite Cuscuta sp.
The results of translocation experiments with labelled compounds, phloem-mobile dyes and the virus should be considered as unequivocal evidence for a symplastic transfer ofphloem solutes between Cuscuta species and their compatible hosts.
Macromolecular trafficking between Nicotiana tabacum and the holoparasite Cuscuta reflexa.
Observations suggest the presence of a functional symplastic pathway between Cuscuta and its hosts, and demonstrate a considerable capacity for macromolecular exchange between plant species.
Arabidopsis thaliana is a susceptible host plant for the holoparasite Cuscuta spec
A peripheral size exclusion limit (SEL) between 27 and 36 kDa is indicated for the symplastic connections between host and Cuscuta sieve elements, indicating a compatible host–parasite combination.
Chiral Compounds Synthesized by Biocatalytic Reductions [New Synthetic Methods (51)]
The productivity numbers of compounds synthesized by the methods described in this review are often 10- to 100-fold higher than those of substances obtained by conventional techniques.
Purification, partial characterization and substrate specificity of a squalene cyclase from Bacillus acidocaldarius.
From the thermophilic Bacillus acidocaldarius, a membrane bound cyclase catalysing the formation of 22(29)-hopene and 22-hopanol from squalene was enriched 670-fold to a purity of 95% as judged by gel chromatography.