Abstract:
:A native female-specific chemoreceptive protein of a swallowtail butterfly [oviposition stimulant binding protein (OSBP)] was shown to specifically bind to aristolochic acid, a main stimulant for oviposition from its host plant. Oviposition stimulants are recognized by chemoreceptive organs of insects. OSBP isolated previously from the chemoreceptive organs was assumed to bind to an oviposition stimulant. Using a highly sensitive fluorescent micro-binding assay, we clarified OSBP bound to aristolochic acid. Three-dimensional molecular modeling revealed the structure of the OSBP-aristolochic acid complex. This is the first report of a native chemoreceptive protein binding to an oviposition stimulant as a ligand in insects.
journal_name
FEBS Lettjournal_title
FEBS lettersauthors
Tsuchihara K,Wazawa T,Ishii Y,Yanagida T,Nishida R,Zheng XG,Ishiguro M,Yoshihara K,Hisatomi O,Tokunaga Fdoi
10.1016/j.febslet.2008.12.027subject
Has Abstractpub_date
2009-01-22 00:00:00pages
345-9issue
2eissn
0014-5793issn
1873-3468pii
S0014-5793(08)01003-Xjournal_volume
583pub_type
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