2015
DOI: 10.1007/s00122-015-2574-1
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Molecular characterization of novel LMW-i glutenin subunit genes from Triticum urartu Thum. ex Gandil.

Abstract: A high level of genetic diversity was found in LMW-i genes from Triticum urartu, resulting in detection of 11 novel alleles. The variability detected could affect gluten quality. Low-molecular weight glutenin subunits are important in determining the viscoelastic properties of wheat dough. Triticum urartu Thum. ex Gandil., which is related to the A genome of polyploid wheat, has been shown as a good source of variation for these subunits. The present study evaluated the variability of LMW-i genes in this speci… Show more

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Cited by 10 publications
(5 citation statements)
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“…Of 55 prolamin genes identified (Supplementary Figure S2 ), 29 genes likely encode complete proteins, including 11 γ-gliadins, two δ-gliadins, five ω-gliadins, and ten LMW-GS. Considerable allelic variations exist for the end-use quality among wheat cultivars ( Bonafede et al, 2015 ; Cuesta et al, 2015 ). An important question is how allelic variations among prolamins in different wheat genotypes influence both the technological and immunogenic properties of the flour.…”
Section: Discussionmentioning
confidence: 99%
“…Of 55 prolamin genes identified (Supplementary Figure S2 ), 29 genes likely encode complete proteins, including 11 γ-gliadins, two δ-gliadins, five ω-gliadins, and ten LMW-GS. Considerable allelic variations exist for the end-use quality among wheat cultivars ( Bonafede et al, 2015 ; Cuesta et al, 2015 ). An important question is how allelic variations among prolamins in different wheat genotypes influence both the technological and immunogenic properties of the flour.…”
Section: Discussionmentioning
confidence: 99%
“…Triticum urartu has not been extensively used to introduce new genetic variation into wheat although accessions have been identified with resistance to diseases such as stem rust ( Rouse and Jin, 2011 ), powdery mildew ( Qiu et al, 2005 ) and root lesion nematode ( Sheedy et al, 2012 ) and other traits such as high net photosynthetic rate ( Austin et al, 1982 ; Austin, 1986 ) and those that affect bread making quality ( Martín et al, 2008 ; Cuesta et al, 2015 ).…”
Section: Introductionmentioning
confidence: 99%
“…Finally, the investigation of wheat genetic resources to discover sources of new genes and alleles, and quality traits that are not common in the modern wheat pool is another important component of CIMMYT's research portfolio. Collections of bread and durum wheat landraces, wheat ancestors (including einkorn, emmer and spelt), and wild relatives (mainly Aegilops species) have been evaluated for traits related to wheat quality [38][39][40][41][42][43][44][45][46] . In these collections, novel genetic variability and promising genotypes with atypical phenotypic characteristics have been identified and can be considered as valuable parent materials to be exploited in breeding programs targeting improvement of quality traits and widening the range of the end-uses for wheat grain.…”
Section: Wheat Grain Quality Research Activitiesmentioning
confidence: 99%