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Nematicidal Activities of 4-Hydroxyphenylacetic Acid and Oidiolactone D Produced by the Fungus Oidiodendron sp.

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Nematicidal Activities of 4-Hydroxyphenylacetic Acid and Oidiolactone D Produced by the Fungus Oidiodendron sp.

Kouhei Ohtania, Shozo Fujiokab, Tsuyoshi Kawanoa, Atsumi Shimadac,*, and Yasuo Kimuraa

a Department of Biological and Environmental Chemistry, Faculty of Agriculture, Tottori University, Koyama, Tottori-shi 680-8553, Japan

b RIKEN (The Institute of Physical and Chemical Research), Hirosawa, Wako-shi 351-0198, Japan

c Department of Nutritional Sciences, Faculty of Human Ecology, Yasuda Women’s University, Asaminami, Hiroshima-shi 731-0153, Japan.

Fax: +81-82-872-2896. E-mail: shimada-a@yasuda-u.ac.jp

* Author for correspondence and reprint requests

Z. Naturforsch. 66 c, 31 – 34 (2011); received September 6/November 2, 2010

Two nematicides, 4-hydroxyphenylacetic acid (4-HPA) (1) and oidiolactone D (2), were isolated from cultures of the fungus Oidiodendron sp., and their structures were identifi ed by spectroscopic analyses. Compound 2 showed nematicidal activities against the root-lesion nematode, Pratylenchus penetrans, and the pine wood nematode, Bursaphelenchus xylophi- lus. Compound 1 was also active against these two nematodes but to a lesser extent.

Key words: 4-Hydroxyphenylacetic Acid, Oidiolactone D, Nematicide

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