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003 MX-TxCIM
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008 20221s2022||||mx |||p|op||||00||0|eng|d
022 _a0018-067X
022 _a1365-2540 (Online)
024 8 _ahttps://doi.org/10.1038/s41437-022-00503-7
040 _aMX-TxCIM
041 _aeng
100 1 _aFradgley, N. S.
_8001713762
_gGlobal Wheat Program
_917394
245 1 1 _aTrade-offs in the genetic control of functional and nutritional quality traits in UK winter wheat
260 _bSpringer Nature,
_c2022.
_aUnited Kingdom :
500 _aPeer review
500 _aOpen Access
520 _aA complex network of trade-offs exists between wheat quality and nutritional traits. We investigated the correlated relationships among several milling and baking traits as well as mineral density in refined white and whole grain flour. Our aim was to determine their pleiotropic genetic control in a multi-parent population over two trial years with direct application to practical breeding. Co-location of major quantitative trait loci (QTL) and principal component based multi-trait QTL mapping increased the power to detect QTL and revealed pleiotropic effects explaining many complementary and antagonistic trait relationships. High molecular weight glutenin subunit genes explained much of the heritable variation in important dough rheology traits, although additional QTL were detected. Several QTL, including one linked to the TaGW2 gene, controlled grain size and increased flour extraction rate. The semi-dwarf Rht-D1b allele had a positive effect on Hagberg falling number, but reduced grain size, specific weight, grain protein content and flour water absorption. Mineral nutrient concentrations were lower in Rht-D1b lines for many elements, in wholemeal and white flour, but potassium concentration was higher in Rht-D1b lines. The presence of awns increased calcium content without decreasing extraction rate, despite the negative correlation between these traits. QTL were also found that affect the relative concentrations of key mineral nutrients compared to phosphorus which may help increase bioavailability without associated anti-nutritional effects of phytic acid. Taken together these results demonstrate the potential for marker-based selection to optimise trait trade-offs and enhance wheat nutritional value by considering pleiotropic genetic effects across multiple traits.
546 _aText in English
650 7 _2AGROVOC
_91310
_aWheat
650 7 _2AGROVOC
_91694
_aGenetic control
650 7 _2AGROVOC
_91193
_aNutritive value
650 7 _2AGROVOC
_91853
_aQuantitative Trait Loci
651 7 _2AGROVOC
_98073
_aUnited Kingdom of Great Britain and Northern Ireland
700 1 _aGardner, K.A.
_8001712617
_gGenetic Resources Program
_917393
700 1 _aKerton, M.
_927162
700 1 _aSwarbreck, S.M.
_925936
700 1 _aBentley, A.R.
_8001712492
_gFormerly Global Wheat Program
_99599
773 0 _tHeredity
_dUnited Kingdom : Springer Nature, 2022
_x0018-067X
_gv. 128, p. 420–433
_wG444336
856 _yOpen Access through DSpace
_uhttps://hdl.handle.net/10883/22053
942 _cJA
_n0
_2ddc
999 _c65198
_d65190