In vivo biosynthesis of a stage-specific cuticle glycoprotein during early metamorphosis of the medfly Ceratitis capitata

Cuticle proteins of an insect pest, the Medfly Ceratitis capitata, were resolved in polyacrylamide gels and partially characterized. The pupal cuticle was found to be different from cuticles of other insects since more than 80% w w of the protein is a single mannose-containing polypeptide (PCG-100)....

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Publicado: 1989
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Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0006291X_v164_n1_p251_Boccaccio
http://hdl.handle.net/20.500.12110/paper_0006291X_v164_n1_p251_Boccaccio
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spelling paper:paper_0006291X_v164_n1_p251_Boccaccio2023-06-08T14:30:06Z In vivo biosynthesis of a stage-specific cuticle glycoprotein during early metamorphosis of the medfly Ceratitis capitata animal cell arthropod ceratitis capitata cuticle protein glycoprotein synthesis insect cuticle metamorphosis nonhuman priority journal Animal Electrophoresis, Polyacrylamide Gel Gene Expression Regulation Glycoproteins Insects Metamorphosis, Biological Proteins Support, Non-U.S. Gov't Cuticle proteins of an insect pest, the Medfly Ceratitis capitata, were resolved in polyacrylamide gels and partially characterized. The pupal cuticle was found to be different from cuticles of other insects since more than 80% w w of the protein is a single mannose-containing polypeptide (PCG-100). The temporally-regulated in vivo biosynthesis and deposition of cuticle proteins was studied by microinjection of [35S]methionine followed by hand dissection of pupal cuticles. The major pupal glycoprotein, PCG-100, is cuticle- and stage-specific and was the earliest to be labeled and deposited. Its synthesis was maximal at around 46 hours after pupariation and then it decreased. The deposited PCG-100 and other minor pupal cuticle proteins become non-extractable at the end of the instar (7 days after pupariation) probably by sclerotization phenomena. These results provide insight into the temporal control of gene expression programs involved in cuticle deposition during medfly metamorphosis. © 1989. 1989 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0006291X_v164_n1_p251_Boccaccio http://hdl.handle.net/20.500.12110/paper_0006291X_v164_n1_p251_Boccaccio
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic animal cell
arthropod
ceratitis capitata
cuticle protein
glycoprotein synthesis
insect cuticle
metamorphosis
nonhuman
priority journal
Animal
Electrophoresis, Polyacrylamide Gel
Gene Expression Regulation
Glycoproteins
Insects
Metamorphosis, Biological
Proteins
Support, Non-U.S. Gov't
spellingShingle animal cell
arthropod
ceratitis capitata
cuticle protein
glycoprotein synthesis
insect cuticle
metamorphosis
nonhuman
priority journal
Animal
Electrophoresis, Polyacrylamide Gel
Gene Expression Regulation
Glycoproteins
Insects
Metamorphosis, Biological
Proteins
Support, Non-U.S. Gov't
In vivo biosynthesis of a stage-specific cuticle glycoprotein during early metamorphosis of the medfly Ceratitis capitata
topic_facet animal cell
arthropod
ceratitis capitata
cuticle protein
glycoprotein synthesis
insect cuticle
metamorphosis
nonhuman
priority journal
Animal
Electrophoresis, Polyacrylamide Gel
Gene Expression Regulation
Glycoproteins
Insects
Metamorphosis, Biological
Proteins
Support, Non-U.S. Gov't
description Cuticle proteins of an insect pest, the Medfly Ceratitis capitata, were resolved in polyacrylamide gels and partially characterized. The pupal cuticle was found to be different from cuticles of other insects since more than 80% w w of the protein is a single mannose-containing polypeptide (PCG-100). The temporally-regulated in vivo biosynthesis and deposition of cuticle proteins was studied by microinjection of [35S]methionine followed by hand dissection of pupal cuticles. The major pupal glycoprotein, PCG-100, is cuticle- and stage-specific and was the earliest to be labeled and deposited. Its synthesis was maximal at around 46 hours after pupariation and then it decreased. The deposited PCG-100 and other minor pupal cuticle proteins become non-extractable at the end of the instar (7 days after pupariation) probably by sclerotization phenomena. These results provide insight into the temporal control of gene expression programs involved in cuticle deposition during medfly metamorphosis. © 1989.
title In vivo biosynthesis of a stage-specific cuticle glycoprotein during early metamorphosis of the medfly Ceratitis capitata
title_short In vivo biosynthesis of a stage-specific cuticle glycoprotein during early metamorphosis of the medfly Ceratitis capitata
title_full In vivo biosynthesis of a stage-specific cuticle glycoprotein during early metamorphosis of the medfly Ceratitis capitata
title_fullStr In vivo biosynthesis of a stage-specific cuticle glycoprotein during early metamorphosis of the medfly Ceratitis capitata
title_full_unstemmed In vivo biosynthesis of a stage-specific cuticle glycoprotein during early metamorphosis of the medfly Ceratitis capitata
title_sort in vivo biosynthesis of a stage-specific cuticle glycoprotein during early metamorphosis of the medfly ceratitis capitata
publishDate 1989
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0006291X_v164_n1_p251_Boccaccio
http://hdl.handle.net/20.500.12110/paper_0006291X_v164_n1_p251_Boccaccio
_version_ 1768544666772307968