| Expression of α-amylase inhibitors in diploid Triticum species. | |
MedLine Citation:
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PMID: 22980853 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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The aim of the work was to characterize the expression of various α-amylase inhibitors (αAIs), well known anti-nutritional compounds, for the development of healthier diploid wheat-based functional foods. The salt-soluble protein fractions from the seeds of 53 accessions among Triticum monococcum subsp. monococcum (T.m.), T. monococcum subsp. boeoticum (T.b.) and Triticum urartu (T.u.) were analyzed by immunoblotting after SDS-PAGE and Urea-PAGE using polyclonal antibodies (PABs) raised against 0.19 and 0.28 αAIs expressed in bread-wheat. Reverse zymography with human saliva and Tenebrio molitor α-amylases was used to assay inhibition activity. A great variability of the expression of αAI-related proteins was observed among T.b. and T.u. PABs, and reverse zymography revealed different bands, often not correlating with those present in bread-wheat. Two-dimensional electrophoresis followed by immunoblotting and mass spectrometric analysis identified these proteins as αAIs. Interestingly, no signal was observed within T.m. accessions. This makes T.m. an important candidate for the production of novel functional foods. |
Authors:
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Gianni Zoccatelli; Michela Sega; Michela Bolla; Daniela Cecconi; Patrizia Vaccino; Corrado Rizzi; Roberto Chignola; Andrea Brandolini |
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Publication Detail:
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Type: Journal Article Date: 2012-07-14 |
Journal Detail:
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Title: Food chemistry Volume: 135 ISSN: 0308-8146 ISO Abbreviation: Food Chem Publication Date: 2012 Dec |
Date Detail:
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Created Date: 2012-09-17 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7702639 Medline TA: Food Chem Country: England |
Other Details:
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Languages: eng Pagination: 2643-9 Citation Subset: IM |
Copyright Information:
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Copyright © 2012 Elsevier Ltd. All rights reserved. |
Affiliation:
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Università di Verona, Dipartimento di Biotecnologie, Verona, Italy. Electronic address: gianni.zoccatelli@univr.it. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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