Molecular characterization of a new adult male putative calycin specific to tergal aphrodisiac secretion in the cockroach Leucophaea maderae

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 hybridiza...

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Bibliographic Details
Published in:FEBS letters 2001-11, Vol.507 (3), p.313-317
Main Authors: Cornette, Richard, Farine, Jean-Pierre, Quennedey, Brigitte, Brossut, Rémy
Format: Article
Language:English
Subjects:
Amino Acid Sequence
Animals
Base Sequence
Calycin
Cloning, Molecular
Cockroach
Cockroaches - physiology
Exocrine Glands - metabolism
Female
Gene Expression Regulation, Developmental
Insect Proteins - genetics
Insect Proteins - metabolism
Larva
Male
Molecular Sequence Data
Secretion
Sequence Homology, Amino Acid
Sex behavior
Tergal gland
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Summary: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.
ISSN:0014-5793
1873-3468
DOI:10.1016/S0014-5793(01)02997-0