期刊
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
卷 26, 期 21, 页码 5240-5243出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmcl.2016.09.052
关键词
Soybean cyst nematode; Hatching stimulants; Glycinoeclepin; 1,10-Phenanthroline; 2,2'-Bipyridine; Chelating agents
资金
- JSPS KAKENHI [16K18695]
- Fuji Foundation for Protein Research
- Grants-in-Aid for Scientific Research [16K18695] Funding Source: KAKEN
Soybean cyst nematode (SCN), Heterodera glycines Ichinohe, is a plant-parasitic nematode and one of the most serious soybean pests. Herein, we present the heterocyclic compound 1,10-phenanthroline (Phen) and its derivatives as novel hatching stimulants for SCN. Phen treatment promoted hatching of second stage juveniles of SCNs in a concentration-dependent manner. In addition, the hatching of SCNs following treatment with Phen occurred more rapidly than that following treatment with the known hatching stimulant, glycinoeclepin A (GEA). Furthermore, the co-application of Phen and GEA enhanced SCN hatching rate compared with that of Phen or GEA alone. A structure-activity relationship study for Phen derivatives suggested that 2,2'-bipyridine is the essential structure of the SCN-hatching stimulants. These results suggest that Phen and its derivatives activate different hatching pathways of SCNs from GEA. (C) 2016 Elsevier Ltd. All rights reserved.
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