期刊
JOURNAL OF PROTEOMICS
卷 75, 期 11, 页码 3365-3373出版社
ELSEVIER
DOI: 10.1016/j.jprot.2012.03.051
关键词
Silk Road; Marco Polo; Bible; Parchment; Proteomics
Around the end of XIII century (at the time of young Marco Polo's first trip to China at the court of Khubilai Khan in Khan Baliq) a pocket Bible was delivered by a Franciscan friar to the Mogul Emperor, in the framework of the evangelization program of the Far East. Four centuries later, in 1685, this Bible was rediscovered by the Jesuit Philippe Couplet in the house of a rich Chinese in Nanchin and donated to Cosimo III, Grand Duke of Tuscany. This Bible was recently unearthed in the Biblioteca Medicea Laurenziana in Florence, wrapped up in a precious yellow silk cloth, in a rather ruined state. After two years of restoration, the Bible will return to China in 2012 for a celebration of its >700 years of life and of its remarkable return trip on the Silk Road. On account of the thinness of the parchment (barely 80 mu m thickness, the size of each foil being 16.5 x 11 cm) it was widely held that the pages were produced from foetal lambskins. On tiny fragments of the margins of a foil, after several unsuccessful attempts at digesting the vellum, we were able to obtain a tryptic peptide mixture, which, upon mass spectrometry analysis, yielded the identity of 8 unique proteins, belonging to the genus Bos taurus, thus confirming the origin of the vellum from calfskins rather than from foetal lambskins. Our results prove that it is possible to obtain reliable protein extraction and IDs from ancient parchment documents. (C) 2012 Elsevier B.V. All rights reserved.
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