CRITHIDIA-FASCICULATA CONTAINS A TRANSCRIBED LEISHMANIAL SURFACE PROTEINASE (GP63) GENE HOMOLOG

被引:47
作者
INVERSO, JA
MEDINAACOSTA, E
OCONNOR, J
RUSSELL, DG
CROSS, GAM
机构
[1] ROCKEFELLER UNIV, MOLEC PARASITOL LAB, 1230 YORK AVE, NEW YORK, NY 10021 USA
[2] WASHINGTON UNIV, SCH MED, DEPT MOLEC MICROBIOL, ST LOUIS, MO 63110 USA
关键词
CRITHIDIA-FASCICULATA; GLYCOPROTEIN; LEISHMANIA; METALLOENDOPROTEINASE; PROTEINASE; GP63;
D O I
10.1016/0166-6851(93)90242-P
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
We have cloned and analysed a gene from the insect parasite, Crithidia fasciculala, with homology to the gp63 metalloendoproteinase gene of Leishmania. The Crithidia gene homologue is arranged as a multicopy family comprised of approximately 7 genes. The mature transcript is 4.0 kb. The predicted amino acid sequence has significant homology with Leishmania gp63s, contains a zinc-binding motif and a potential site for addition of a glycosylphosphatidylinositol anchor. Demonstration of a gp63 homologue in C. fasciculata, a monogenetic parasite, suggests that the molecule may play a role in parasite survival within the insect gut.
引用
收藏
页码:47 / 54
页数:8
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