Molecular cloning and cellular localization of a furin-like prohormone convertase from the atrial gland of Aplysia

G. T. Nagle, A. T. Garcia, E. L. Gorham, S. L. Knock, W. R A Van Heumen, S. Spijker, A. B. Smit, W. P M Geraerts, A. Kurosky

    Research output: Contribution to journalArticle

    15 Citations (Scopus)

    Abstract

    Prohormone convertases (PCs) are Ca2+-dependent subtilisin-related endoproteases that have been implicated in the post-translational processing of prohormones and other proproteins. Furin is an ubiquitously expressed PC that has been shown to hydrolyze a wide variety of precursor proteins in secretory pathways. We have screened an Aplysia atrial gland cDNA library using a furin probe prepared by polymerase chain reaction (PCR) and have isolated an Aplysia furin-related 6.7-kb cDNA partial clone that was truncated on the 5' end. The remaining 5' atrial gland furin nucleotide sequence was obtained by two stages of reverse transcription PCR. The final composite nucleotide sequence of the atrial gland furin cDNA was 7,837 bp in length. This sequence encoded a putative preproendoprotease (Afurin2) of 824 amino acid residues that was related to other eukaryotic furins, and showed a high sequence identity with a recently reported Aplysia nervous system furin- like sequence. In situ hybridization demonstrated extensive expression of Afurin2 in atrial gland secretory cells. The cDNA clone contained a relatively long 3' untranslated region of 5,230 nucleotides that included a microsatellite repeat region (TG)(n). The characterized Aplysia Afurin2 is a candidate PC that may play an important role in the processing of egg-laying hormone (ELH)-related precursors in the secretory cells of the atrial gland. In addition, comparative structural studies of Afurin2, together with previously reported localization studies, argue for the occurrence of a furin-like convertase within secretory granules.

    Original languageEnglish (US)
    Pages (from-to)431-443
    Number of pages13
    JournalDNA and Cell Biology
    Volume14
    Issue number5
    StatePublished - 1995

    Fingerprint

    Proprotein Convertases
    Furin
    Aplysia
    Molecular Cloning
    Complementary DNA
    Clone Cells
    Subtilisin
    Polymerase Chain Reaction
    Protein Precursors
    Secretory Pathway
    Secretory Vesicles
    3' Untranslated Regions
    Gene Library
    Microsatellite Repeats
    Nervous System
    Reverse Transcription
    In Situ Hybridization
    Ovum
    Nucleotides
    Hormones

    ASJC Scopus subject areas

    • Cell Biology
    • Genetics
    • Molecular Biology

    Cite this

    Nagle, G. T., Garcia, A. T., Gorham, E. L., Knock, S. L., Van Heumen, W. R. A., Spijker, S., ... Kurosky, A. (1995). Molecular cloning and cellular localization of a furin-like prohormone convertase from the atrial gland of Aplysia. DNA and Cell Biology, 14(5), 431-443.

    Molecular cloning and cellular localization of a furin-like prohormone convertase from the atrial gland of Aplysia. / Nagle, G. T.; Garcia, A. T.; Gorham, E. L.; Knock, S. L.; Van Heumen, W. R A; Spijker, S.; Smit, A. B.; Geraerts, W. P M; Kurosky, A.

    In: DNA and Cell Biology, Vol. 14, No. 5, 1995, p. 431-443.

    Research output: Contribution to journalArticle

    Nagle, GT, Garcia, AT, Gorham, EL, Knock, SL, Van Heumen, WRA, Spijker, S, Smit, AB, Geraerts, WPM & Kurosky, A 1995, 'Molecular cloning and cellular localization of a furin-like prohormone convertase from the atrial gland of Aplysia', DNA and Cell Biology, vol. 14, no. 5, pp. 431-443.
    Nagle GT, Garcia AT, Gorham EL, Knock SL, Van Heumen WRA, Spijker S et al. Molecular cloning and cellular localization of a furin-like prohormone convertase from the atrial gland of Aplysia. DNA and Cell Biology. 1995;14(5):431-443.
    Nagle, G. T. ; Garcia, A. T. ; Gorham, E. L. ; Knock, S. L. ; Van Heumen, W. R A ; Spijker, S. ; Smit, A. B. ; Geraerts, W. P M ; Kurosky, A. / Molecular cloning and cellular localization of a furin-like prohormone convertase from the atrial gland of Aplysia. In: DNA and Cell Biology. 1995 ; Vol. 14, No. 5. pp. 431-443.
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    AU - Garcia, A. T.

    AU - Gorham, E. L.

    AU - Knock, S. L.

    AU - Van Heumen, W. R A

    AU - Spijker, S.

    AU - Smit, A. B.

    AU - Geraerts, W. P M

    AU - Kurosky, A.

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