期刊
FEBS LETTERS
卷 507, 期 3, 页码 313-317出版社
WILEY
DOI: 10.1016/S0014-5793(01)02997-0
关键词
cockroach; secretion; tergal gland; calycin; sex behavior
Lma-p18 is an epicuticular surface protein specific to the tergal gland aphrodisiac secretion of Leucophaea maderae adult males. Native Lma-p18 was purified and the complete cDNA sequence was determined by RT-PCR using primers based on Edman degradation fragments. Northern blot and in situ hybridization analyses showed that Lma-p18 is expressed exclusively in the anterior part of male tergal gland, which is exposed only during sexual behavior. Sequence analysis indicated that Lma-p18 belongs to the calycin superfamily and is very similar to Lma-p22, the first known male-specific tergal protein in L. maderae. Lma-p18 and Lma-p22 were proposed to bind different sexually attractive compounds as other calycins. (C) 2001 Federation of European Biochemical Societies. Published by Elsevier Science B.V. All rights reserved.
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