Genetic variation and association mapping of grain iron and zinc contents in synthetic hexaploid wheat germplasm
Fe and Zn deficiency are widespread worldwide. As wheat is the primary food for the majority of the world people, producing wheat grains with high mineral content can ameliorate the problem of mineral hunger. However, the genetic variation available for breeders is limited. The aim of this study was...
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| Veröffentlicht in: | Plant genetic resources: characterization and utilization 2018-02, Vol.16 (1), p.9-17 |
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| container_title | Plant genetic resources: characterization and utilization |
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| creator | Gorafi, Yasir S. A. Ishii, Takayoshi Kim, June-Sik Elbashir, Awad Ahmed Elawad Tsujimoto, Hisashi |
| description | Fe and Zn deficiency are widespread worldwide. As wheat is the primary food for the majority of the world people, producing wheat grains with high mineral content can ameliorate the problem of mineral hunger. However, the genetic variation available for breeders is limited. The aim of this study was to assess the genetic variation in grain Fe and Zn contents in 47 synthetic hexaploid wheats and to identify marker loci associated with Fe and Zn contents. We measured the grain Fe and Zn contents using inductively coupled plasma atomic emission spectroscopy and performed genotyping using SSR markers. The results showed considerable genetic variation for these minerals. We identified three lines with high Fe and Zn contents and six quantitative trait loci of which three were associated with Fe content and the other three with Zn content. The minerals showed positive phenotypic and genotypic correlation and high heritability (>60%). The ratio of the σ
2
g to the σ
2
g×e was ≥1 for the two mineral contents indicating that breeding for increasing mineral content within the synthetic lines is possible. The synthetic wheat lines identified in this study are valuable genetic resources, and can be utilized for breeding wheat cultivars with high mineral content. |
| doi_str_mv | 10.1017/S1479262116000265 |
| format | Article |
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2
g to the σ
2
g×e was ≥1 for the two mineral contents indicating that breeding for increasing mineral content within the synthetic lines is possible. The synthetic wheat lines identified in this study are valuable genetic resources, and can be utilized for breeding wheat cultivars with high mineral content.</description><identifier>ISSN: 1479-2621</identifier><identifier>EISSN: 1479-263X</identifier><identifier>DOI: 10.1017/S1479262116000265</identifier><language>eng</language><publisher>Cambridge, UK: Cambridge University Press</publisher><subject>Atomic beam spectroscopy ; Content analysis ; Cultivars ; Dietary minerals ; Emission spectroscopy ; Gene mapping ; Genetic diversity ; Genetic resources ; Genotyping ; Germplasm ; Goat grass ; Grain ; Heritability ; Hunger ; Inductively coupled plasma ; Iron ; Mapping ; Markers ; Minerals ; Nutrition research ; Plant breeding ; Population ; Quantitative trait loci ; Spectroscopy ; Wheat ; Zinc</subject><ispartof>Plant genetic resources: characterization and utilization, 2018-02, Vol.16 (1), p.9-17</ispartof><rights>Copyright © NIAB 2016</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c365t-f25bc0fd40c42f0d8f3a8587b9eed030d479184791b40b84755dc616b4beaa1b3</citedby><cites>FETCH-LOGICAL-c365t-f25bc0fd40c42f0d8f3a8587b9eed030d479184791b40b84755dc616b4beaa1b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.cambridge.org/core/product/identifier/S1479262116000265/type/journal_article$$EHTML$$P50$$Gcambridge$$H</linktohtml><link.rule.ids>164,314,776,780,27901,27902,55603</link.rule.ids></links><search><creatorcontrib>Gorafi, Yasir S. A.</creatorcontrib><creatorcontrib>Ishii, Takayoshi</creatorcontrib><creatorcontrib>Kim, June-Sik</creatorcontrib><creatorcontrib>Elbashir, Awad Ahmed Elawad</creatorcontrib><creatorcontrib>Tsujimoto, Hisashi</creatorcontrib><title>Genetic variation and association mapping of grain iron and zinc contents in synthetic hexaploid wheat germplasm</title><title>Plant genetic resources: characterization and utilization</title><addtitle>Plant Genet. Resour</addtitle><description>Fe and Zn deficiency are widespread worldwide. As wheat is the primary food for the majority of the world people, producing wheat grains with high mineral content can ameliorate the problem of mineral hunger. However, the genetic variation available for breeders is limited. The aim of this study was to assess the genetic variation in grain Fe and Zn contents in 47 synthetic hexaploid wheats and to identify marker loci associated with Fe and Zn contents. We measured the grain Fe and Zn contents using inductively coupled plasma atomic emission spectroscopy and performed genotyping using SSR markers. The results showed considerable genetic variation for these minerals. We identified three lines with high Fe and Zn contents and six quantitative trait loci of which three were associated with Fe content and the other three with Zn content. The minerals showed positive phenotypic and genotypic correlation and high heritability (>60%). The ratio of the σ
2
g to the σ
2
g×e was ≥1 for the two mineral contents indicating that breeding for increasing mineral content within the synthetic lines is possible. The synthetic wheat lines identified in this study are valuable genetic resources, and can be utilized for breeding wheat cultivars with high mineral content.</description><subject>Atomic beam spectroscopy</subject><subject>Content analysis</subject><subject>Cultivars</subject><subject>Dietary minerals</subject><subject>Emission spectroscopy</subject><subject>Gene mapping</subject><subject>Genetic diversity</subject><subject>Genetic resources</subject><subject>Genotyping</subject><subject>Germplasm</subject><subject>Goat grass</subject><subject>Grain</subject><subject>Heritability</subject><subject>Hunger</subject><subject>Inductively coupled plasma</subject><subject>Iron</subject><subject>Mapping</subject><subject>Markers</subject><subject>Minerals</subject><subject>Nutrition research</subject><subject>Plant breeding</subject><subject>Population</subject><subject>Quantitative trait loci</subject><subject>Spectroscopy</subject><subject>Wheat</subject><subject>Zinc</subject><issn>1479-2621</issn><issn>1479-263X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp1UE1PwzAMjRBIjMEP4BaJ88BJm7Q7ogkG0iQOgMStyle7TGtSkgwYv56OVXBAXOxn-71n2QidE7gkQIqrR5IXU8opIRwAKGcHaLRrTSjPXg5_MCXH6CTGVU9hRcFGqJsbZ5JV-E0EK5L1DgunsYjRq6FuRddZ12Bf4yYI67ANA-vTOoWVd8m4FHE_iVuXlt92S_MhurW3Gr8vjUi4MaHt1iK2p-ioFutozoY8Rs-3N0-zu8niYX4_u15MVMZZmtSUSQW1zkHltAZd1pkoWVnIqTEaMtD9PaTcBZmD7AFjWnHCZS6NEERmY3Sx9-2Cf92YmKqV3wTXr6xoBsAplBx6FtmzVPAxBlNXXbCtCNuKQLV7bPXnsb0mGzSilcHqxvxa_6_6ArkvfA8</recordid><startdate>201802</startdate><enddate>201802</enddate><creator>Gorafi, Yasir S. 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A. ; Ishii, Takayoshi ; Kim, June-Sik ; Elbashir, Awad Ahmed Elawad ; Tsujimoto, Hisashi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c365t-f25bc0fd40c42f0d8f3a8587b9eed030d479184791b40b84755dc616b4beaa1b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Atomic beam spectroscopy</topic><topic>Content analysis</topic><topic>Cultivars</topic><topic>Dietary minerals</topic><topic>Emission spectroscopy</topic><topic>Gene mapping</topic><topic>Genetic diversity</topic><topic>Genetic resources</topic><topic>Genotyping</topic><topic>Germplasm</topic><topic>Goat grass</topic><topic>Grain</topic><topic>Heritability</topic><topic>Hunger</topic><topic>Inductively coupled plasma</topic><topic>Iron</topic><topic>Mapping</topic><topic>Markers</topic><topic>Minerals</topic><topic>Nutrition research</topic><topic>Plant breeding</topic><topic>Population</topic><topic>Quantitative trait loci</topic><topic>Spectroscopy</topic><topic>Wheat</topic><topic>Zinc</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gorafi, Yasir S. A.</creatorcontrib><creatorcontrib>Ishii, Takayoshi</creatorcontrib><creatorcontrib>Kim, June-Sik</creatorcontrib><creatorcontrib>Elbashir, Awad Ahmed Elawad</creatorcontrib><creatorcontrib>Tsujimoto, Hisashi</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Agricultural Science Collection</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Biological Science Collection</collection><collection>Agricultural Science Database</collection><collection>Biological Science Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Genetics Abstracts</collection><jtitle>Plant genetic resources: characterization and utilization</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gorafi, Yasir S. A.</au><au>Ishii, Takayoshi</au><au>Kim, June-Sik</au><au>Elbashir, Awad Ahmed Elawad</au><au>Tsujimoto, Hisashi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Genetic variation and association mapping of grain iron and zinc contents in synthetic hexaploid wheat germplasm</atitle><jtitle>Plant genetic resources: characterization and utilization</jtitle><addtitle>Plant Genet. Resour</addtitle><date>2018-02</date><risdate>2018</risdate><volume>16</volume><issue>1</issue><spage>9</spage><epage>17</epage><pages>9-17</pages><issn>1479-2621</issn><eissn>1479-263X</eissn><abstract>Fe and Zn deficiency are widespread worldwide. As wheat is the primary food for the majority of the world people, producing wheat grains with high mineral content can ameliorate the problem of mineral hunger. However, the genetic variation available for breeders is limited. The aim of this study was to assess the genetic variation in grain Fe and Zn contents in 47 synthetic hexaploid wheats and to identify marker loci associated with Fe and Zn contents. We measured the grain Fe and Zn contents using inductively coupled plasma atomic emission spectroscopy and performed genotyping using SSR markers. The results showed considerable genetic variation for these minerals. We identified three lines with high Fe and Zn contents and six quantitative trait loci of which three were associated with Fe content and the other three with Zn content. The minerals showed positive phenotypic and genotypic correlation and high heritability (>60%). The ratio of the σ
2
g to the σ
2
g×e was ≥1 for the two mineral contents indicating that breeding for increasing mineral content within the synthetic lines is possible. The synthetic wheat lines identified in this study are valuable genetic resources, and can be utilized for breeding wheat cultivars with high mineral content.</abstract><cop>Cambridge, UK</cop><pub>Cambridge University Press</pub><doi>10.1017/S1479262116000265</doi><tpages>9</tpages></addata></record> |
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| source | Cambridge University Press Journals Complete |
| subjects | Atomic beam spectroscopy Content analysis Cultivars Dietary minerals Emission spectroscopy Gene mapping Genetic diversity Genetic resources Genotyping Germplasm Goat grass Grain Heritability Hunger Inductively coupled plasma Iron Mapping Markers Minerals Nutrition research Plant breeding Population Quantitative trait loci Spectroscopy Wheat Zinc |
| title | Genetic variation and association mapping of grain iron and zinc contents in synthetic hexaploid wheat germplasm |
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