Evidence map›Paper›PMID 32238902›Full record

ArticleCommunications biology2020

Maize GOLDEN2-LIKE genes enhance biomass and grain yields in rice by improving photosynthesis and reducing photoinhibition.

Xia Li, Peng Wang, Jing Li, Shaobo Wei, Yanyan Yan, Jun Yang, Ming Zhao, Jane A Langdale, Wenbin Zhou

Abstract readComparative Study
In one paragraph

Article in Communications biology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 56 papers.

0numbers the graph read from it
0cells of the map it votes in
56citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

56 citing papers in PubMed.

  1. Article
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  4. Spatial coordination between leaf gradient and temperature response in barley.The Plant journal : for cell and molecular biology · 2026
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  6. Genome-Wide Analysis of thePlants (Basel, Switzerland) · 2025
    Article
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  8. Review
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  13. SunflowerBiology · 2025
    Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors.

Xia Li *Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, 100081, Beijing, China.
Peng Wang *Department of Plant Sciences, University of Oxford, South Parks Road, Oxford, OX1 3RB, UK.
Jing LiInstitute of Crop Sciences, Chinese Academy of Agricultural Sciences, 100081, Beijing, China.
Shaobo WeiInstitute of Crop Sciences, Chinese Academy of Agricultural Sciences, 100081, Beijing, China.
Yanyan YanInstitute of Crop Sciences, Chinese Academy of Agricultural Sciences, 100081, Beijing, China.
Jun YangShanghai Key Laboratory of Plant Functional Genomics and Resources, Shanghai Chenshan Plant Science Research Center, Chinese Academy of Sciences, Shanghai Chenshan Botanical Garden, 201602, Shanghai, China.
Ming ZhaoInstitute of Crop Sciences, Chinese Academy of Agricultural Sciences, 100081, Beijing, China.
Jane A LangdaleDepartment of Plant Sciences, University of Oxford, South Parks Road, Oxford, OX1 3RB, UK.ORCID http://orcid.org/0000-0001-7648-3924
Wenbin ZhouInstitute of Crop Sciences, Chinese Academy of Agricultural Sciences, 100081, Beijing, China. zhouwenbin@caas.cn.ORCID http://orcid.org/0000-0001-5911-1686

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Photosynthetic efficiency is a major target for improvement of crop yield potential under agricultural field conditions. Inefficiencies can occur in many steps of the photosynthetic process, from chloroplast biogenesis to functioning of the light harvesting and carbon fixation reactions. Nuclear-encoded GOLDEN2-LIKE (GLK) transcription factors regulate some of the earliest steps by activating target genes encoding chloroplast-localized and photosynthesis-related proteins. Here we show that constitutive expression of maize GLK genes in rice leads to enhanced levels of chlorophylls and pigment-protein antenna complexes, and that these increases lead to improved light harvesting efficiency via photosystem II in field-grown plants. Increased levels of xanthophylls further buffer the negative effects of photoinhibition under high or fluctuating light conditions by facilitating greater dissipation of excess absorbed energy as heat. Significantly, the enhanced photosynthetic capacity of field-grown transgenic plants resulted in increased carbohydrate levels and a 30-40% increase in both vegetative biomass and grain yield.

Indexed as

Carbohydrate MetabolismPhotosynthesisBiomassChlorophyllCrops, AgriculturalGene Expression Regulation, PlantLightLight-Harvesting Protein ComplexesOryzaPhotosystem II Protein ComplexPlant ProteinsPlants, Genetically ModifiedSeasonsTranscription FactorsChlorophyllGLK1 protein, Zea maysGolden2 protein, Zea maysLight-Harvesting Protein ComplexesPhotosystem II Protein ComplexPlant ProteinsTranscription Factors

Identifiers

PMID32238902
PMCPMC7113295

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Registered trials

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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 OpenQuestion graph.