Micronutrient productivity: a comprehensive parameter for biofortification in rice (<scp><i>Oryza sativa</i></scp> L.) grain

Khan, Jameel Ahmad; Narayana, Krupa Kuntanahalli; Holla, Sumantha; Shrinivas, Sowjanya Makkivalli; Dar, ZA; Shashidhar, H. E.

doi:10.1002/jsfa.9306

Cited by 7 publications

(6 citation statements)

References 40 publications

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“…In addition, amino acid concentrations were variable among Phaseolus species as well; however, accessions with high or low concentrations of one amino acid tended to have high or low levels across all amino acids. Thus, accessions with high amino acid concentrations may warrant further attention when considering artificial selection for nutrient quality [53]. Our results are supported by previous work identifying variability in nutrient values between accessions within a species [15,16,[54][55][56].…”

Section: Natural Variation In Mineral and Amino Acid Concentrations Wsupporting

confidence: 90%

“…As new candidates are considered for agroforestry and other forms of agriculture, nutritional quality of candidate species should be assessed in order to maximize nutrient output of sustainable food crops. Our work as well as other recent studies indicates that there are similarities among perennial and annual Phaseolus species in nutrition components, and that there is variability among accessions within a species, providing plant breeders the opportunity to select for essential nutrients [53,75,76]. Future expansion could include surveying a wider range of both wild species and accessions to understand nutrient uptake dynamics in a wider phylogenetic and geographic context.…”

Section: Future Directionsmentioning

confidence: 54%

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Comparative Analysis of Perennial and Annual Phaseolus Seed Nutrient Concentrations

et al. 2019

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Long-term agricultural sustainability is dependent in part on our capacity to provide productive, nutritious crops that minimize the negative impacts of agriculture on the landscape. Perennial grains within an agroforestry context offers one solution: These plants produce large root systems that reduce soil erosion and simultaneously have the potential to produce nutrients to combat malnutrition. However, nutrient compositions of wild, perennial, herbaceous species, such as those related to the common bean (Phaseolus vulgaris) are not well known. In this study, seed ion and amino acid concentrations of perennial and annual Phaseolus species were quantified using ionomics and mass spectrometry. No statistical difference was observed for Zn, toxic ions (e.g., As) or essential amino acid concentrations (except threonine) between perennial and annual Phaseolus species. However, differences were observed for some nutritionally important ions. For example, Ca, Cu, Fe, Mg, Mn, and P concentrations were higher in annual species; further, ion and amino acid concentrations appear to be largely independent of each other. These results suggest variability in ion and amino acid concentrations exist in Phaseolus. As new crop candidates are considered for ecological services, nutritional quality should be optimized to maximize nutrient output of sustainable food crops.

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Section: Natural Variation In Mineral and Amino Acid Concentrations Wsupporting

confidence: 90%

Section: Future Directionsmentioning

confidence: 54%

Comparative Analysis of Perennial and Annual Phaseolus Seed Nutrient Concentrations

et al. 2019

View full text Add to dashboard Cite

show abstract

“…As new candidates are considered for agroforestry and other forms of agriculture, nutritional quality of candidate species should be assessed in order to maximize nutrient output of sustainable food crops. Our work as well as other recent studies indicates that there are similarities among perennial and annual Phaseolus species in nutrition components, and that there is variability among accessions within a species, providing the opportunity to select for essential nutrients by plant breeders [75], [76], [98] . Future expansion could include surveying a wider range of both wild species and accessions to understand nutrient uptake dynamics in a wider phylogenetic and geographic context.…”

Section: Future Directionssupporting

confidence: 70%

“…In addition, amino acid concentrations were variable among Phaseolus species as well; however, accessions with high or low concentrations of one amino acid tended to have high or low levels across all amino acids. Thus, accessions with high amino acid concentrations may warrant further attention when considering artificial selection for nutrient quality [75] . Our results are supported by previous work identifying variability in nutrient values between accessions within a species [18], [20], [76]- [79] .…”

Section: Natural Variation In Mineral and Amino Acid Concentrations Wmentioning

confidence: 99%

Comparative analysis of perennial and annualPhaseolusseed nutrient concentrations

Schier

Eliot

Herron

et al. 2019

Preprint

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Malnutrition is a global public health concern and identifying mechanisms to elevate the nutrient output of crops may minimize nutrient deficiencies. Perennial grains within an agroforestry context offers one solution. The development and integration of perennial crops for food has critically influenced dialogue on the ecological intensification of agriculture and agroforestry.However, the nutrient compositions of wild, perennial, herbaceous species, such as those related to the common bean ( Phaseolus vulgaris ) are not well known. In this study, seed amino acid and ion concentrations of perennial and annual Phaseolus species were quantified using ionomics and mass spectrometry. No statistical difference was observed for Zn, toxic ions (e.g. As) or essential amino acid concentrations (except threonine) between perennial and annual Phaseolus species. However, differences were observed for some nutritionally important ions among and within lifespan groups. Ca, Cu, Fe, Mg, Mn, and P concentrations were higher in annual species.Intraspecific variability in ion concentrations and amino acids was observed within species; further, ion concentrations and amino acids differ among annual species and among perennial species. Ion and amino acid concentration appear to be largely independent of each other. These results suggest variability in ion and amino acid concentrations exist in nature. As new crop candidates are considered for ecological services, nutritional quality should be optimized to maximize nutrient output of sustainable food crops.

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“…Biofortification is considered as long-term sustainable strategy to address micronutrient malnutrition by enhancing the grain micronutrient density. Over the last decade, using conventional breeding approaches, a few biofortified rice varieties with high grain Zn have been developed and released globally, as Zn plays a critical role in several cellular and metabolic activities [ 40 , 41 ]. Though wide variability for grain Fe is available in brown rice, because of polishing, around 70 to 80% of grain Fe is lost [ 42 ].…”

Section: Discussionmentioning

confidence: 99%

Identification of Genomic Regions Associated with High Grain Zn Content in Polished Rice Using Genotyping-by-Sequencing (GBS)

Uttam

Suman

Jaldhani

et al. 2022

Plants

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Globally, micronutrient (iron and zinc) enriched rice has been a sustainable and cost-effective solution to overcome malnutrition or hidden hunger. Understanding the genetic basis and identifying the genomic regions for grain zinc (Zn) across diverse genetic backgrounds is an important step to develop biofortified rice varieties. In this case, an RIL population (306 RILs) obtained from a cross between the high-yielding rice variety MTU1010 and the high-zinc rice variety Ranbir Basmati was utilized to pinpoint the genomic region(s) and QTL(s) responsible for grain zinc (Zn) content. A total of 2746 SNP markers spanning a genetic distance of 2445 cM were employed for quantitative trait loci (QTL) analysis, which resulted in the identification of 47 QTLs for mineral (Zn and Fe) and agronomic traits with 3.5–36.0% phenotypic variance explained (PVE) over the seasons. On Chr02, consistent QTLs for grain Zn polished (qZnPR.2.1) and Zn brown (qZnBR.2.2) were identified. On Chr09, two additional reliable QTLs for grain Zn brown (qZnBR.9.1 and qZnBR.9.2) were identified. The major-effect QTLs identified in this study were associated with few key genes related to Zn and Fe transporter activity. The genomic regions, candidate genes, and molecular markers associated with these major QTLs will be useful for genomic-assisted breeding for developing Zn-biofortified varieties.

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Micronutrient productivity: a comprehensive parameter for biofortification in rice (Oryza sativa L.) grain

Cited by 7 publications

References 40 publications

Comparative Analysis of Perennial and Annual Phaseolus Seed Nutrient Concentrations

Comparative Analysis of Perennial and Annual Phaseolus Seed Nutrient Concentrations

Comparative analysis of perennial and annualPhaseolusseed nutrient concentrations

Identification of Genomic Regions Associated with High Grain Zn Content in Polished Rice Using Genotyping-by-Sequencing (GBS)

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