Biofortification of Pulse Crops: Status and Future Perspectives

Jha, Alok; Warkentin, Thomas D.

doi:10.3390/plants9010073

Cited by 166 publications

(128 citation statements)

References 226 publications

(334 reference statements)

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“…In the case of the seed Fe concentration, 2-13 quantitative trait loci (QTL) for common bean, 21 QTL for lentil, 4-10 QTL for chickpea, and 3-9 QTL for pea Fe concentration have been reported. Like Fe, several QTL/genes for the Zn concentration (3-13 QTL in common bean, 5-10 in chickpea, and 4-6 QTL in pea) and for Se (3-44 QTL in mung bean) have been identified (reviewed in [17]). The reported heritability estimates for the uptake of mineral elements were of an intermediate [24,27] to high [28] magnitude.…”

Section: Discussionmentioning

confidence: 99%

“…Seeds of pulse crops generally have higher concentrations of minerals (e.g., Fe, Zn, Ca, and Mg) than cereal grains (reviewed in [12]). A handful of studies have investigated the diversity in mineral nutrients in pulse crop species (e.g., [11,[13][14][15][16][17]). However, little information is available regarding the micronutrient composition of faba bean, and if available, only a few mineral elements have been studied [18][19][20].…”

Section: Introductionmentioning

confidence: 99%

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Seed Mineral Composition and Protein Content of Faba Beans (Vicia faba L.) with Contrasting Tannin Contents

Khazaei

Vandenberg

2020

Agronomy

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Two-thirds of the world’s population are at risk of deficiency in one or more essential mineral elements. The high concentrations of essential mineral elements in pulse seeds are fundamentally important to human and animal nutrition. In this study, seeds of 25 genotypes of faba bean (12 low-tannin and 13 normal-tannin genotypes) were evaluated for mineral nutrients and protein content in three locations in Western Canada during 2016–2017. Seed mineral concentrations were examined by Inductively Coupled Plasma Mass Spectrometry (ICP-MS) and the protein content was determined by Near-Infrared (NIR) spectroscopy. Location and year (site-year) effects were significant for all studied minerals, with less effect for calcium (Ca) and protein content. Genotype by environment interactions were found to be small for magnesium (Mg), cobalt (Co), Ca, zinc (Zn), and protein content. Higher seed concentrations of Ca, manganese (Mn), Mg, and cadmium (Cd) were observed for low-tannin genotypes compared to tannin-containing genotypes. The protein content was 1.9% higher in low-tannin compared to tannin-containing genotypes. The high estimated heritability for concentrations of seed Mg, Ca, Mn, potassium (K), sulphur (S), and protein content in this species suggests that genetic improvement is possible for mineral elements.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Seed Mineral Composition and Protein Content of Faba Beans (Vicia faba L.) with Contrasting Tannin Contents

Khazaei

Vandenberg

2020

Agronomy

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“…Micronutrient malnutrition has received increased global attention in recent decades, with efforts to address it by various strategies such as mineral supplementation and dietary diversification. Biofortification of staple crops through plant breeding is a highly cost-effective and long-term strategy to enhance micronutrient density in crop plants ( 6 ). Efforts in this direction have involved understanding the genetic architecture of Fe and Zn concentrations in seeds of cereals crops ( 7 – 10 ).…”

Section: Introductionmentioning

confidence: 99%

“…More recently, the focus has been on pulses that serve as secondary staples, mainly because of their increased protein content ( 11 ). Among legumes, common bean ( Phaseolus vulgaris ), lentil ( Lens culinaris ), Pea ( Pisum sativum ), and mung bean ( Vigna radiata ) have been targeted for micronutrient studies ( 6 ).…”

Section: Introductionmentioning

confidence: 99%

Genome-Wide SNP Discovery and Mapping QTLs for Seed Iron and Zinc Concentrations in Chickpea (Cicer arietinum L.)

et al. 2020

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Biofortification through plant breeding is a cost-effective and sustainable approach towards addressing micronutrient malnutrition prevailing across the globe. Screening cultivars for micronutrient content and identification of quantitative trait loci (QTLs)/genes and markers help in the development of biofortified varieties in chickpea ( Cicer arietinum L.). With the aim of identifying the genomic regions controlling seed Fe and Zn concentrations, the F 2:3 population derived from a cross between MNK-1 and Annigeri 1 was genotyped using genotyping by sequencing approach and evaluated for Fe and Zn concentration. An intraspecific genetic linkage map comprising 839 single nucleotide polymorphisms (SNPs) spanning a total distance of 1,088.04 cM with an average marker density of 1.30 cM was constructed. By integrating the linkage map data with the phenotypic data of the F 2:3 population, a total of 11 QTLs were detected for seed Fe concentration on CaLG03, CaLG04, and CaLG05, with phenotypic variation explained ranging from 7.2% ( CaqFe3.4 ) to 13.4% ( CaqFe4.2 ). For seed Zn concentration, eight QTLs were identified on CaLG04, CaLG05, and CaLG08. The QTLs individually explained phenotypic variations ranging between 5.7% ( CaqZn8.1 ) and 13.7% ( CaqZn4.3 ). Three QTLs for seed Fe and Zn concentrations ( CaqFe4.4, CaqFe4.5 , and CaqZn4.1 ) were colocated in the “ QTL-hotspot ” region on CaLG04 that harbors several drought tolerance-related QTLs. We identified genes in the QTL regions that encode iron–sulfur metabolism and zinc-dependent alcohol dehydrogenase activity on CaLG03, iron ion binding oxidoreductase on CaLG04, and zinc-induced facilitator-like protein and ZIP zinc/iron transport family protein on CaLG05. These genomic regions and the associated markers can be used in marker-assisted selection to increase seed Fe and Zn concentrations in agronomically superior chickpea varieties.

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“…Biofortification appears to be a feasible approach to improve the nutritional value of foods, with a special significance for the most deprived populations [11,33]. Plants are an important source of essential minerals and vitamins, and in developing countries grains and legumes are the primary, and often the only, source of food [34].…”

Section: The Importance Of Legumes In the Accomplishment Of The Sustamentioning

confidence: 99%

Legume Biofortification and the Role of Plant Growth-Promoting Bacteria in a Sustainable Agricultural Era

et al. 2020

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World population growth, together with climate changes and increased hidden hunger, bring an urgent need for finding sustainable and eco-friendly agricultural approaches to improve crop yield and nutritional value. The existing methodologies for enhancing the concentration of bioavailable micronutrients in edible crop tissues (i.e., biofortification), including some agronomic strategies, conventional plant breeding, and genetic engineering, have not always been successful. In recent years, the use of plant growth-promoting bacteria (PGPB) has been suggested as a promising approach for the biofortification of important crops, including legumes. Legumes have many beneficial health effects, namely, improved immunological, metabolic and hormonal regulation, anticarcinogenic and anti-inflammatory effects, and decreased risk of cardiovascular and obesity-related diseases. These crops also play a key role in the environment through symbiotic nitrogen (N) fixation, reducing the need for N fertilizers, reducing CO2 emissions, improving soil composition, and increasing plant resistance to pests and diseases. PGPB act by a series of direct and indirect mechanisms to potentially improve crop yields and nutrition. This review will focus on the: (i) importance of legumes in the accomplishment of United Nations Sustainable Development Goals for production systems; (ii) understanding the role of PGPB in plant nutrition; (iii) iron biofortification of legumes with PGPB, which is an interesting case study of a green technology for sustainable plant-food production improving nutrition and promoting sustainable agriculture.

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Biofortification of Pulse Crops: Status and Future Perspectives

Cited by 166 publications

References 226 publications

Seed Mineral Composition and Protein Content of Faba Beans (Vicia faba L.) with Contrasting Tannin Contents

Seed Mineral Composition and Protein Content of Faba Beans (Vicia faba L.) with Contrasting Tannin Contents

Genome-Wide SNP Discovery and Mapping QTLs for Seed Iron and Zinc Concentrations in Chickpea (Cicer arietinum L.)

Legume Biofortification and the Role of Plant Growth-Promoting Bacteria in a Sustainable Agricultural Era

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