Mosquitocidal activity of anthraquinones isolated from symbiotic bacteria Photorhabdus of entomopathogenic nematode |
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| Authors: | Jun-Young Ahn Joon-Yeop Lee Eun-Ju Yang Young-Jin Lee Kyung-Bon Koo Kyung-Sik Song Kyeong-Yeoll Lee |
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| Institution: | 1. College of Agriculture and Life Sciences, Kyungpook National University, Daegu 702-701, Republic of Korea;2. College of Pharmacy, Kyungpook National University, Daegu, 702-701, Republic of Korea;3. Ecowin, Daegu, Republic of Korea |
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| Abstract: | Two anthraquinones were isolated from the symbiotic bacteria Photorhabdus temperata of entomopathogenic nematodes Heterorhabditis spp. by repeated column chromatography. They were abundantly present in the culture medium and identified as 1,3-dimethoxy-8-hydroxy-9,10-anthraquinone and 3-methoxychrysazine by spectral analysis. The isolated anthraquinones were highly lethal to larvae of Culex pipiens pallens. Our results suggest that anthraquinones might be useful as biopesticides for the biological control of mosquitoes. |
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