Evidence map›Paper›PMID 41940958›Full record

ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2026

Identification of photosynthetic pigment content-related genes in peanut (Arachis hypogaea L.) by GWAS and RNA-seq.

Tingting Chen, Zijun Huang, Yuwei Cui, Jing Cao, Ruier Zeng, Yiyang Liu, Qunjie Zhang, Shubo Wan, Guowei Li, Lei Zhang

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Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
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1 · What the graph read from it

What it found

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3 · Its place in the literature

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1 citing paper in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

10 authors.

Tingting Chen *Guangdong Provincial Key Laboratory of Plant Molecular Breeding, Center of Genomics and Bioinformatics, South China Agricultural University, Guangzhou, 510642, China.
Zijun Huang *Guangdong Provincial Key Laboratory of Plant Molecular Breeding, Center of Genomics and Bioinformatics, South China Agricultural University, Guangzhou, 510642, China.
Yuwei CuiGuangdong Provincial Key Laboratory of Plant Molecular Breeding, Center of Genomics and Bioinformatics, South China Agricultural University, Guangzhou, 510642, China.
Jing CaoGuangdong Provincial Key Laboratory of Plant Molecular Breeding, Center of Genomics and Bioinformatics, South China Agricultural University, Guangzhou, 510642, China.
Ruier ZengGuangdong Provincial Key Laboratory of Plant Molecular Breeding, Center of Genomics and Bioinformatics, South China Agricultural University, Guangzhou, 510642, China.
Yiyang LiuInstitute of Crop Germplasm Resources, Shandong Academy of Agricultural Sciences, Jinan, 250100, China.
Qunjie ZhangGuangdong Provincial Key Laboratory of Plant Molecular Breeding, Center of Genomics and Bioinformatics, South China Agricultural University, Guangzhou, 510642, China.
Shubo WanInstitute of Crop Germplasm Resources, Shandong Academy of Agricultural Sciences, Jinan, 250100, China.
Guowei LiInstitute of Crop Germplasm Resources, Shandong Academy of Agricultural Sciences, Jinan, 250100, China. liguowei@sdnu.edu.cn.
Lei ZhangGuangdong Provincial Key Laboratory of Plant Molecular Breeding, Center of Genomics and Bioinformatics, South China Agricultural University, Guangzhou, 510642, China. zhanglei@scau.edu.cn.ORCID http://orcid.org/0000-0003-4611-3417

Funding

China Agriculture Research System CARS-15Guangdong Technical System of Peanut and Soybean Industry 2022KJ136-05National Key R&D Program of China 2020YFD1000905
6 · The paper itself

Abstract

key messageAn integrated GWAS and transcriptome analysis revealed the genetic basis of photosynthetic pigment contents in peanuts and identified two candidate genes, Arahy. YWY61J and Arahy. VMJ95M, that play a role in the natural variation in chlorophyll and carotenoid accumulation. Photosynthetic pigments are indispensable for light absorption and electron transfer in photosynthesis, which directly impacts crop productivity. However, the genetic basis of photosynthetic pigment content in peanuts (Arachis hypogaea L.) at the seedling and flowering stages remains poorly understood. In this study, an association panel of 241 peanut accessions was assayed to identify genes related to four photosynthetic pigment contents, namely, chlorophyll a (Chl a), chlorophyll b (Chl b), total chlorophyll (Chl a + b), and carotenoids (Car), across five environments. A total of 2,110,659 high-quality single-nucleotide polymorphisms (SNPs) were obtained by whole-genome resequencing. A genome-wide association study (GWAS) was performed on the basis of the best linear unbiased estimation values of the contents of the four photosynthetic pigments. In total, 23 and 45 quantitative trait loci (QTLs) were associated with the four photosynthetic pigment contents at the seedling and flowering stages, respectively. Furthermore, through RNA-seq analysis of two peanut accessions whose photosynthetic pigment contents differed, 3829 and 4972 differentially expressed genes were detected at the seedling and flowering stages, respectively. Seventeen differentially expressed genes were identified through the integration of the QTL-associated genes and RNA-seq data. Subsequent haplotype analysis revealed that Arahy. YWY61J was involved in Chl a and Chl b synthesis and that Arahy.VMJ95M was involved in Chl b and Car synthesis in peanut leaves. Overall, this study provides new insights into the genetic and physiological regulation of photosynthetic pigment accumulation and offers valuable candidate genes for improving photosynthetic efficiency through marker-assisted breeding of peanuts.

Indexed as

ArachisGenes, PlantPhotosynthesisCarotenoidsChlorophyllChromosome MappingGenome-Wide Association StudyPhenotypePolymorphism, Single NucleotideQuantitative Trait LociRNA-SeqCarotenoidsChlorophyll

Identifiers

PMID41940958

What Socratic holds

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.