Ionomics is an emerging discipline that studies the composition, distribution and accumulation of elements in the body, as well as the changes and mechanisms of these elements in random body physiological conditions, biological and abiotic stimuli, developmental stages, environment and genetics. All metals, metalloids and non-metals. Ionic elements are widely involved in various important life activities and perform important physiological functions.

Application Fields

Application of phytochemical element detection

Environmental assessment and prediction, screening and application of hyperaccumulators in the field of environmental remediation, study of heavy metal detoxification mechanism, contaminated soil remediation and study of heavy metal exclusion mechanism.

Application direction of heavy metal content detection

Anthocyanins regulate the absorption and transport of heavy metals by plants scavenging free radicals, promoting and activating antioxidant systems, chelating with heavy metals, compartmentalizing isolation, anthocyanin structure/regulating gene expression, etc., thereby alleviating the toxicity of heavy metals to plants.

Sample Requirements

Case Analysis

Genetic Basis of Rice Ionomic Variation Revealed by Genome-Wide Association Studies

Journal: The Plant Cell      Impact factor: 8.631      Published date: October, 2018 Published by: Huazhong Agricultural University, National Plant Genetic Research Center

Research Background

Rice (Oryza sativa) is an important dietary source of both essential micronutrients and toxic trace elements for humans. The genetic basis of mineral composition (ion) variation in rice remains largely unknown.

Research Design

Using genome-wide association studies (GWAS), the research team measured the content of 17 mineral elements in straw and grains using 529 samples of rice from fields in Hubei and Hunan over several years, the genetic basis of rice ion group natural variation was analyzed by association analysis with single base sequence polymorphism information of rice genome.

Research Result

32 loci were detected repeatedly in different sites, and 40 loci were detected repeatedly in different field trials at the same site. The candidate genes of 42 loci, including OSHKT1; 5, OSMOT1; 1 and Ghd7, were predicted, this study provided available genetic loci and theoretical basis for genetic improvement of rice nutrition quality.


A comprehensive study on the genetic structure of rice ion variation will help to reveal the regulatory mechanism of mineral nutrition and microelement composition in plants.


Yang M , Lu K , Zhao F J , et al. Genetic basis of rice ionomic variation revealed by Genome-wide association studies[J]. The Plant Cell, 2018, 30

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