Variability in iron, zinc, phytic acid and protein content in pre-breeding wheat germplasm under different water regimes

Sharma, Himanshu; Singh, Surjan; Shamshad, Mohd; Padhy, Asish Kumar; Kaur, Rajveer; Kashyap, Lenika; Srivastava, Puja; Mavi, G. S.; Kaur, Satinder; Sharma, Achla; Sohu, V. S.; Bains, N. S.

doi:10.1007/s10725-022-00943-5

Cited by 4 publications

(7 citation statements)

References 55 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The other minor/defeated leaf rust genes in several backgrounds may add to the complete resistance when combined with other genes. This kind of additive effect of minor defeated genes has been also shown to provide resistance in segregating generations of two susceptible cultivars who reported that in the two crosses (PBW621×PBW343 and HD2967×PBW343) the resistant segregants possessed two genes, one contributed by PBW621 or HD2967 (depending on the cross) and the other, unexpectedly but obviously, came from the most susceptible cultivar, PBW 343 ( Sharma et al, 2022 ). Also, the gene Sr25, linked to the Y gene, makes a case for pre-emptive breeding for black rust in wheat.…”

Section: Discussionmentioning

confidence: 94%

“…They also reported a negative correlation between carotenoid content and grain width and grain thickness. Similarly, Padhy A. K. et al (2022) reported a significant negative correlation between carotenoid content and thousand-grain weight and spike length. Spikelets per spike and grains per spike were negatively correlated with carotenoid content but were insignificant.…”

Section: Yield and Agronomic Traits Of Carotenoid Biofortified Wheatmentioning

confidence: 88%

“…Enhancing the micronutrient concentration, specifically protein, iron, and zinc content in wheat via genetic fortification using modern plant breeding approaches has been exploited as the most effective and safe approach to alleviate micronutrient malnutrition by plant breeders. Further, a number of issues concerning the nutritional quality of wheat revolve around the seed phosphorus (P) storage compound called phytic acid (myo-inositol-1,2,3,4,5,6-hexakisphosphate) for which studies report genetic variability in available wheat germplasm ( Sharma et al, 2022 ). Enhancing carotenoid content in wheat is a novel addition to biofortification components to be considered when breeding biofortified wheat cultivars ( Padhy et al, 2022b ).…”

Section: Discussionmentioning

confidence: 99%

“…The incorporation of the PsyE1 gene increases all the carotenoids that are produced in the carotenoid biosynthesis pathway. There is an increase in lutein, zeaxanthin, and β-carotein content due to the introgression of PsyE1 (Zhang et al, 2005;Ceoloni et al, 2017;Padhy A. K. et al, 2022). In a bread wheat background, despite the numerous health benefits of carotenoids, the gene was never used commercially as the yellow coloration of wheat flour lacked consumer acceptability and healthassociated awareness.…”

Section: Health Benefits Of Biofortified Wheatmentioning

confidence: 99%

“…ponticum) have been reported to contain a high amount of carotenoids with a range of 5. 3-13.6 ppm (Abdel-Aal et al, 2002;Padhy et al, 2022a;Padhy A. K. et al, 2022), thereby opening avenues for carotenoid biofortification in bread wheat. These genes, therefore, if pyramided with other nutritional and agriculturally important attributes, could potentially translate wheat into a complete staple food with higher nutritive value and health benefits.…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

Combining high carotenoid, grain protein content and rust resistance in wheat for food and nutritional security

Padhy

Sharma²,

Sharma³

et al. 2023

Front. Genet.

Self Cite

View full text Add to dashboard Cite

Globally, malnutrition has given birth to an alarming predicament, especially in developing countries, and has extensively shifted consumer preferences from conventional high-energy diets to a nutritionally balanced, cost-effective, sustainable, and healthy lifestyle. In keeping with this view and the mandate for developing high-yielding, disease-resistant biofortified staple food (wheat) for catering to the demand-driven market, the current research aimed at stacking together the enhanced grain protein content, carotenoid content, and disease resistance in an elite bread wheat background. The Y gene (PsyE1) and the GpcB1 gene were used as novel sources for enhancing the grain carotenoid and protein content in the commercial elite bread wheat cultivar HD2967. The combination also led to the stacking of resistance against all three foliar rusts owing to linked resistance genes. A stepwise hybridization using Parent 1 (HD2967 + PsyE1/Lr19/Sr25) with Parent 2 (PBW550 + GpcB1/Yr36+ Yr15), coupled with a phenotypic-biochemical selection, narrowed down 2748 F2 individuals to a subset of 649 F2 plants for molecular screening. The gene-specific markers PsyE1, PsyD1, Xucw108, and Xbarc8 for the genes PsyE1, PsyD1, GpcB1, and Yr15, respectively, were employed for forward selection. Four bread wheat lines positive for all the desired genes with high carotenoid (>8ppm) and protein (>13%) content were raised to the F5 generation and will be evaluated for yield potential after bulking. These improved advanced breeding lines developed following multipronged efforts should prove a valuable and unique source for the development of cultivars with improved nutritional quality and rust resistance in wheat breeding programs.

show abstract

Section: Discussionmentioning

confidence: 94%

Section: Yield and Agronomic Traits Of Carotenoid Biofortified Wheatmentioning

confidence: 88%