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Title: A Cross between Bread Wheat and a 2D(2R) Disomic Substitution Triticale Line Leads to the Formation of a Novel Disomic Addition Line and Provides Information of the Role of Rye Secalins on Breadmaking Characteristics
Authors: Sestili, Francesco 
Margiotta Benedetta
Vaccino Patrizia
Moscaritolo Salvatore
Giorgi Debora
Lucretti Sergio
Palombieri Samuela
Masci, Stefania
Lafiandra, Domenico 
Issue Date: 2020
A bread wheat line (N11) and a disomic 2D(2R) substitution triticale line were crossed and backrossed four times. At each step electrophoretic selection for the seeds that possessed, simultaneously, the complete set of high molecular weight glutenin subunits of N11 and the two
high molecular weight secalins of rye, present in the 2D(2R) line, was carried out. Molecular
cytogenetic analyses of the BC4F8 generation revealed that the selection carried out produced a
disomic addition line (2n = 44). The pair of additional chromosomes consisted of the long arm of
chromosome 1R (1RL) from rye fused with the satellite body of the wheat chromosome 6B.
Rheological analyses revealed that the dough obtained by the new addition line had higher quality characteristics when compared with the two parents. The role of the two additional high molecular weight secalins, present in the disomic addition line, in influencing improved dough characteristics is discussed.
ISSN: 1661-6596
DOI: 10.3390/ijms21228450
Rights: CC0 1.0 Universal
Appears in Collections:A1. Articolo in rivista

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