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At least 613 records · Page 34Linked to original sources
PubMed1999

[Nightshade plants act almost like LSD. Poisoning cases are on the rise].

Intoxicated states can be induced not only by the typical narcotic drugs, but also by other psychotropic substances, such as the thorn-apple and angel's trumpet. In recent times there has been an increase in the reported number of cases of such intoxications. Clinical symptoms, toxicological analysis and possible forms of treatment are discussed.

Cross-Sectional Studies↗
PubMed1999

[The effects of space flight on medicinal plant Datura innoxia].

OBJECTIVE: To probe the effects of space condition on medicinal plants. METHODS: The seeds of Datura innoxia Mill were put in a retrievable satellite. After returning earth, the isozymes of peroxidases, esterase and soluble proteins were studied. RESULTS: The peroxidase activity and the protein content of weightless group were lower than that of the earth controlled group, but these items of the hit group were higher than that of the earth controlled group. The electrophoresis patterns of isozymes and proteins of these three groups were similar. CONCLUSION: The effects of weightlessness and the high energy heavy ions were different on Datura innoxia, and the effects of space conditions were not enough to produce idiovariation in Datura innoxia.

Cosmic Radiation↗
PubMed2000

[Detection of DNA variation after space flight in Datura innoxia by random amplified polymorphic DNA markers].

OBJECTIVE: To substantiate the effect of space environment on medicinal plants, the seeds of Datura innoxia were set up in retrievable satellites. METHODS: After returning to earth, the DNA variation of different groups was detected by random amplified polymorphic DNA (RAPD) markers. RESULTS: From a pre-screening of 65 primers with 20 oligonucleotide lengths, 15 primers that produced distinct profiles for each DNA sample were selected. In contrast with the earth controlled group, 39 polymorphic bands were produced in weightless group, and its degree of gene polymorphism was 23.1%; 45 polymophic bands were produced in hit group, and its degree of gene polymorphism was 24.4%. The polymorphic bands ranged approximately from 200 to 1990 bp. CONCLUSIONS: These results indicate that weightlessness induce DNA variation to some extents in Datura innoxia, while the compound effect of weightlessness and high energy heavy ions is more notable than the effect of single weightlessness.

Cosmic Radiation↗
PubMed1975

[Tumorous nature of hyperplasia obtained experimentally].

The determination of the tumorous nature of an overgrowth provides one of the most essential information for all research concerning animal and plant cancerisation. The experimental procedure which will be described here answers to this imperative: it allows to prove the tumorous characteristics of proliferations obtained by inoculation of Agrobacterium tumefaciens RNA fractions to Datura stems.

Cell Transformation, Neoplastic↗