phytotoxin

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phytotoxin

[¦fīd·ə′täk·sən]
(biochemistry)
A substance toxic to plants.
A toxin produced by plants.
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References in periodicals archive ?
These plant toxins specifically cleave adenine from the highly conserved sarcin/ricin loop on eukaryotic 28S rRNA with different potencies.
The plant toxin tricks fungal cells into committing suicide," Bressan says.
She fed them either a standard diet or one doctored with rutin, a plant toxin that wards off insects and other plant pests.
In unpublished experiments, Simpson has engineered a new agent by removing the toxin's cell-poisoning region and inserting a deadlier substitute: a cell-killing fragment, isolated from a plant toxin called ricin, that works by blocking the cell's ability to make protein.
by locking ricin, a plant toxin, onto antibodies that target tumor cells, an immunotoxin can destroy cancer cells without harming other body tissues.
In anticipation of future work with immunotoxins, Novopharm Biotech has secured a worldwide exclusive license for gelonin (a plant toxin developed by XOMA Corporation of Berkeley, CA and scientists at the University of Texas MD Anderson Cancer Center of Houston, TX) in combination with monoclonal antibodies to the brain cancers Malignant Glioma and Neuroblastoma.
A post-mortem examination carried out on the animals showed that plant toxins were to blame for their deaths.
Contract awarded for The Animal Health Laboratory at the Department of Agriculture and Food (DAFWA) performs routine assays for vitamins, amino acids, nutritional biomolecules and plant toxins in a range of matrices (animal tissues, blood, rumen contents, plants etc.
Jack Smith created an innovative and unique new board game based around how plant toxins might affect the body.
The study clarifies that not all plant toxins are harmful to insects.
Their topics include the evolutionary background, proteins, hunger and its controls, eating clean and avoiding plant toxins, the world's worst foods, and recommendations for eating in the modern world.