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Phosphonothrixin, a novel herbicidal antibiotic produced by Saccharothrix sp. ST-888. I. Taxonomy, fermentation,
E Takahashi1, T Kimura, K Nakamura
1Nishiki Research Laboratories, Kureha Chemical Industry Co., Ltd., Fukushima, Japan.
The Journal of Antibiotics
|October 1, 1995
Abstract:
A novel herbicidal compound, phosphonothrixin, was found in the fermentation broth of Saccharothrix sp. ST-888 cultured on a vegetable juice medium. The compound exhibiting acidic and hydrophilic properties was obtained when the fermentation broth of ST-888 was subjected to ion exchange chromatography, gel filtration chromatography and ion-pair chromatography. Phosphonothrixin significantly inhibited germination of gramineous and broadleaf weeds. Foliar application of this antibiotic gave rise to chlorosis in all of the plants tested.