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Title
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Peptidomics of the locust corpora allata : identification of novel pyrokinins (-FXPRLamides)
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Author
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Abstract
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| The peptidomes of the corpora allata of Locusta migratoria and Schistocerca gregaria were investigated by both matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) and nanoscale liquid chromatography quadrupole time-of-flight tandem mass spectrometry (nanoLC-Q-TOF MSMS). The pyrokinin (-FXPRLamide) family seems to be predominant. In addition to the known pyrokinins, we de novo sequenced four pyrokinins in L migratoria and five in S. gregaria. In addition, one pyrokinin-like peptide (-PRLamide) was identified in S. gregaria. Besides the -(FX)PRLamides, FLRFamide-l, the allatostatins (A family) and numerous as yet unidentified peptides are also present in the corpora allata. (C) 2003 Elsevier Inc. All rights reserved. |
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Language
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English
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Source (journal)
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Peptides. - Fayetteville, N.Y.
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Publication
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Fayetteville, N.Y.
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2003
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ISSN
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0196-9781
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DOI
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10.1016/J.PEPTIDES.2003.10.006
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Volume/pages
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24
:10
(2003)
, p. 1493-1500
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ISI
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000188259000006
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Full text (Publisher's DOI)
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Full text (publisher's version - intranet only)
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