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Updated: Feb 26, 2026
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Published on: March 24, 2012
Proteomic profile of Piper tuberculatum (Piperaceae)
F Cotinguiba1, S N López2, I G F Budzinski3
1Programa de Pós-graduação em Química de Produtos Naturais, Instituto de Pesquisas de Produtos Naturais, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil.
Abstract:
Piper tuberculatum (Piperaceae) is a species that accumulates especially amides as secondary metabolites and several biological activities was previously reported. In this article, we report a proteomic study of P. tuberculatum. Bidimensional electrophoresis (2D SDS-PAGE) and mass spectrometry (ESI-Q-TOF) were used in this study. Over a hundred spots and various peptides were identified in this species and the putative functions of these peptides related to defense mechanism as biotic and abiotic stress were assigned. The information presented extend the range of molecular information of P. tuberculatum.
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