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GrainGenes Reference Report: CCM-76-548

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Reference	CCM-76-548
Title	Deduced amino acid sequence of an alpha-gliadin gene from spelt wheat (spelta) includes sequences active in celiac disease.
Journal	Cereal Chemistry
Year	1999
Volume	76
Pages	548-551
Author	Kasarda DD D'Ovidio R
Abstract	The complete amino acid sequence of an alpha-type gliadin from spelt wheat (spelta) has been deduced from the cloned DNA sequence and compared with alpha-type gliadin sequences from bread wheat. The comparison showed only minor differences in amino acid sequences between the alpha-type gliadin from bread wheat and the alpha-type gliadin from spelta. The two sequences had an identity of 98.5%. Larger differences can be found between different alpha-type gliadin amino acid sequences from common bread wheat. Because all the different classes of gliadins, alpha, beta, gamma, and omega, appear to be active in celiac disease, it is reasonably certain that the spelta gliadin is also toxic. We conclude that spelta is not a safe grain for people with celiac disease, contrary to the implications in labeling a bread made from spelta as 'an alternative to wheat'. Our conclusions are in accord with spelta and bread wheat being classed taxonomically as subspecies of the same genus and species, Triticum aestivum L.
Keyword	bread [ Show all 8 ]

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