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author:

Chen, TB (Chen, TB.) [1] | Farragher, S (Farragher, S.) [2] | Bjourson, AJ (Bjourson, AJ.) [3] | Orr, DF (Orr, DF.) [4] | Rao, P (Rao, P.) [5] | Shaw, C (Shaw, C.) [6]

Indexed by:

Scopus SCIE

Abstract:

Amphibian defensive skin secretions are complex, species-specific cocktails of biologically active molecules, including many uncharacterized peptides. The study of such secretions for novel peptide discovery is time-limited, as amphibians are in rapid global decline. While secretion proteome analysis is non-lethal, transcriptome analysis has until now required killing of specimens prior to skin dissection for cDNA library construction. Here we present the discovery that polyadenylated mRNAs encoding dermal granular gland peptides are present in defensive skin secretions, stabilized by endogenous nucleic acid-binding amphipathic peptides. Thus parallel secretory proteome and transcriptome analyses can be performed without killing the specimen in this model amphibian system - a finding that has important implications in conservation of biodiversity within this threatened vertebrate taxon and whose mechanistics may have broader implications in biomolecular science.

Keyword:

biodiversity cDNA cloning conservation functional genomics precursor proteins

Community:

  • [ 1 ] Univ Ulster, Pharmaceut Biotechnol Grp, Sch Biomed Sci, Coleraine BT52 1SA, Londonderry, North Ireland
  • [ 2 ] Fuzhou Univ, Inst Biotechnol, Fuzhou 350002, Fujian, Peoples R China

Reprint 's Address:

  • [Shaw, C]Univ Ulster, Pharmaceut Biotechnol Grp, Sch Biomed Sci, Coleraine BT52 1SA, Londonderry, North Ireland

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Source :

BIOCHEMICAL JOURNAL

ISSN: 0264-6021

Year: 2003

Volume: 371

Page: 125-130

4 . 1 0 1

JCR@2003

4 . 4 0 0

JCR@2023

ESI Discipline: BIOLOGY & BIOCHEMISTRY;

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count: 77

SCOPUS Cited Count: 80

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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