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Characterization of lipophorin from Antheraea mylitta drury (Lepidoptera: Saturniidae)
Author(s) -
Srivastava P.P.,
Thangavelu K.
Publication year - 1996
Publication title -
archives of insect biochemistry and physiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.576
H-Index - 66
eISSN - 1520-6327
pISSN - 0739-4462
DOI - 10.1002/(sici)1520-6327(1996)32:2<261::aid-arch9>3.0.co;2-0
Subject(s) - saturniidae , biology , hemolymph , lepidoptera genitalia , biochemistry , ultracentrifuge , mannose , carbohydrate , amino acid , botany
The high molecular weight (680 KDa) glycolipoprotein from the haemolymph of male larvae of Antheraea mylitta Drury (Lepidoptera: Saturniidae) was identified as lipophorin by gradient KBr ultracentrifugation and SDS‐PAGE. This lipophorin is composed of two subunits: apolipoprotein 1 (234 KDa) and apoprotein II (80 KDa). The density of the native molecule is 1.1941 g/ml. By weight, it contains 53.7% protein, 3.7% carbohydrate, and 42.6% lipid. Neutral lipids and phospholipids are 66.2 and 33.8% of the total lipids, respectively. Mannose and N‐acetylglucosamine are the only sugars detected by gas liquid chromatography. The amino acid composition of both the native molecule and its two subunits was determined, and yielded similar amino acid compositions. © 1996 Wiley‐Liss, Inc.