Genetic variation for grain protein components and industrial quality of durum wheat cultivars sown in Argentina

Lerner, S. E.; Cogliatti, M.; Ponzio, N. R.; Seghezzo, M. L.; Molfese, Elena Rosa; Rogers, William J.

doi:10.1016/j.jcs.2004.05.001

Cited by 25 publications

(20 citation statements)

References 11 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The results indicated a high variability for the HMMGs with up to 13 allelic variants, similar to those found in previous studies on Spanish emmer wheat (Pflüger et al 2001, Alvarez et al 2007) and Turkish and Italian durum wheat (Turchetta et al 1995), although higher than that was found in others studies in durum wheat cultivars (Carrillo et al 1990, Lerner et al 2004. A similar fact occurs for the B-LMMGs, where up to 34 patterns were detected.…”

Section: Discussionsupporting

confidence: 89%

Genetic diversity for morphological traits and seed storage proteins in Spanish rivet wheat

Carmona¹,

Álvarez²,

Caballero³

2010

Biol. plant.

View full text Add to dashboard Cite

The objective of the current work was to analyse the variability of high and low molecular mass (HMM and LMM) glutenin subunits, along with some morphological characteristics in sixty Spanish accessions of rivet wheat (Triticum turgidum L. ssp. turgidum). The lines were grouped in sixteen botanical varieties and five additional types, according the morphological criteria. Up to 13 allelic variants (four alleles for the Glu-A1 locus and nine alleles for the Glu-B1 locus) and 34 B-LMMGs patterns were found in the evaluated lines. The current data indicated a clear reduction of morphological variability, along with an asymmetric distribution of the alleles and patterns for seed storage proteins. This polymorphism could be useful for enlarging the genetic background of modern durum wheat.

show abstract

Section: Discussionsupporting

confidence: 89%

Genetic diversity for morphological traits and seed storage proteins in Spanish rivet wheat

Carmona¹,

Álvarez²,

Caballero³

2010

Biol. plant.

View full text Add to dashboard Cite

show abstract

“…1 lane 6) probably corresponds to subunit 3 encoded at Glu-A3 analysed by Ruiz and Carrillo (1993). Only six subunits encoded at Glu-A3 have been identified so far (Nieto-Taladriz et al, 1997;Lerner et al, 2004). Although the assignment of new subunits is provisional, the three new subunits reported in the present work would increase considerably the variability at this locus.…”

Section: Discussionmentioning

confidence: 56%

Genetic variation for glutenin and gliadins associated with quality in durum wheat (Triticum turgidum L. ssp. turgidum) landraces from Spain

Aguiriano

Ruíz

Fité

et al. 2008

Span. j. agric. res.

View full text Add to dashboard Cite

The allelic variation at seven prolamin loci involved in quality has been studied in a set of durum wheat landraces from all the Spanish regions where this crop has been traditionally cultivated. The genetic variability was higher than that found in other germplasm collections. All the loci, except Glu-B2, displayed a genetic variability higher than 0.62, with Glu-3 the most polymorphic. In total, five alleles were studied at Glu-A1, nine at Glu-B1, 15 at Glu-A3, 18 at Glu-B3, two at Glu-B2, and eight at Gli-A1 and Gli-B1. New allelic variants not previously identified in durum wheat were detected. The 30 different genotypes of B low-molecular-weight (B-LMW) glutenin subunits analysed, of which 25 are novel, provide an important source of genetic variability for quality breeding. Protein patterns for convars. durum and turgidum, and for the North and South of Spain were identified for the loci with significant influence on quality. Higher variability was observed in convar. turgidum and in the North zone than in convar. durum and the South, respectively, mainly for the Glu-B1 and Glu-B3. Also, convar. turgidum appeared to be a valuable source for new alleles for the LMW glutenin subunits. Wheats from the South were, however, more diverse for prolamins encoded at Glu-A3.Additional key words: convar. durum, convar. turgidum, germplasm, LMW patterns, prolamin alleles, quality breeding. ResumenVariación genética de las gluteninas y gliadinas asociadas con calidad en variedades locales españolas de trigo duro (Triticum turgidum L. ssp. turgidum) Se ha estudiado la variación alélica en siete loci de prolaminas relacionados con la calidad en un grupo de variedades locales de trigo duro procedentes de todas las provincias españolas donde se cultivaba tradicionalmente. La variabilidad genética encontrada fue mayor que la observada en otras colecciones de germoplasma. Todos los loci, excepto el Glu-B2, mostraron una variabilidad genética mayor que 0,62, siendo los Glu-3 los más polimórficos. En total se estudiaron cinco alelos en el Glu-A1, nueve en el Glu-B1, 15 en el Glu-A3, 18 en el Glu-B3, dos en el Glu-B2 y ocho en el Gli-A1 y Gli-B1. Se han detectado variantes alélicas nuevas que no se habían identificado antes. Los 30 genotipos diferentes analizados de subunidades B de gluteninas de bajo peso molecular (B-LMW), de los cuales 25 son nuevos, representan una fuente importante de variabilidad genética para la mejora de la calidad. Se identificaron patrones de proteínas para las convars. durum y turgidum, y para el norte y sur de España para los loci con influencia significativa en calidad. En la convar. turgidum y en el norte se observó mayor variabilidad que en la convar. durum y en el sur, respectivamente, principalmente en el Glu-B1 y Glu-B3. Además, la convar. turgidum parece ser una fuente valiosa de nuevos alelos para las subunidades LMW de gluteninas. Sin embargo, los trigos del sur son más diversos para las prolaminas codificadas en el Glu-A3.

show abstract

“…Correlations between the GI and other rheological traits have been reported by a number of authors. Edwards et al (2007) demonstrated close correlations with the alveograph W value, the unextractable polymeric protein fraction and the mixograph mixing time, and Lerner et al (2004) with the energy level and tolerance determined using a farinograph.…”

Section: Introductionmentioning

confidence: 75%

Effect of genotypic, meteorological and agronomic factors on the gluten index of winter durum wheat

et al. 2013

View full text Add to dashboard Cite

The determination of the gluten index is a widely used method for analysing the gluten strength of bread wheat and spring durum wheat genotypes. The present work was carried out to study the effect of the genotype, meteorological factors (temperature, precipitation and number of days with T max C 30°C) and agronomic treatments (N fertilisation and plant protection) on the gluten index of winter durum wheat varieties and breeding lines. The results indicated that the gluten index had little dependence on the environment, being determined to the greatest extent by the genotype. Compared with varieties having weak gluten, those with a strong gluten matrix responded less sensitively to changes in environmental conditions. Among the meteorological factors, high temperature at the end of the grain-filling period caused the greatest reduction in the mean gluten index of three varieties (R 2 = 0.462), while the fertiliser was found to be a significant factor affecting the gluten strength of winter durum wheat varieties. Using selection based on the gluten index, the gluten strength of winter durum wheat lines can be improved sufficiently to make them competitive with high quality spring varieties.

show abstract

Genetic variation for grain protein components and industrial quality of durum wheat cultivars sown in Argentina

Cited by 25 publications

References 11 publications

Genetic diversity for morphological traits and seed storage proteins in Spanish rivet wheat

Genetic diversity for morphological traits and seed storage proteins in Spanish rivet wheat

Genetic variation for glutenin and gliadins associated with quality in durum wheat (Triticum turgidum L. ssp. turgidum) landraces from Spain

Effect of genotypic, meteorological and agronomic factors on the gluten index of winter durum wheat

Contact Info

Product

Resources

About