Evidence map›Paper›PMID 33790260›Full record

ArticleHorticulture research2021

Genome of a citrus rootstock and global DNA demethylation caused by heterografting.

Yue Huang, Yuantao Xu, Xiaolin Jiang, Huiwen Yu, Huihui Jia, Chunming Tan, Gang Hu, Yibo Hu, Muhammad Junaid Rao, Xiuxin Deng and 1 more

Open access · goldAbstract read
In one paragraph

Article in Horticulture research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers.

0numbers the graph read from it
0cells of the map it votes in
36citing papers in PubMed
13.1field-weighted citation impact, top 1% of its field
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

36 citing papers in PubMed, 76 citations in OpenAlex.

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  11. Citrus genomes: past, present and future.Horticulture research · 2025
    Article
  12. Article
  13. Genome-Wide Identification, Expression, and Protein Interaction ofInternational journal of molecular sciences · 2025
    Article
  14. Review
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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

11 authors at 1 institution in 1 country.

Yue Huang *Key Laboratory of Horticultural Plant Biology (Ministry of Education), Huazhong Agricultural University, 430070, Wuhan, China.
Yuantao Xu *Key Laboratory of Horticultural Plant Biology (Ministry of Education), Huazhong Agricultural University, 430070, Wuhan, China.
Xiaolin JiangKey Laboratory of Horticultural Plant Biology (Ministry of Education), Huazhong Agricultural University, 430070, Wuhan, China.
Huiwen YuKey Laboratory of Horticultural Plant Biology (Ministry of Education), Huazhong Agricultural University, 430070, Wuhan, China.
Huihui JiaKey Laboratory of Horticultural Plant Biology (Ministry of Education), Huazhong Agricultural University, 430070, Wuhan, China.
Chunming TanKey Laboratory of Horticultural Plant Biology (Ministry of Education), Huazhong Agricultural University, 430070, Wuhan, China.
Gang HuKey Laboratory of Horticultural Plant Biology (Ministry of Education), Huazhong Agricultural University, 430070, Wuhan, China.
Yibo HuKey Laboratory of Horticultural Plant Biology (Ministry of Education), Huazhong Agricultural University, 430070, Wuhan, China.
Muhammad Junaid RaoKey Laboratory of Horticultural Plant Biology (Ministry of Education), Huazhong Agricultural University, 430070, Wuhan, China.ORCID http://orcid.org/0000-0003-4911-9451
Xiuxin DengKey Laboratory of Horticultural Plant Biology (Ministry of Education), Huazhong Agricultural University, 430070, Wuhan, China.ORCID http://orcid.org/0000-0003-4490-4514
Qiang XuKey Laboratory of Horticultural Plant Biology (Ministry of Education), Huazhong Agricultural University, 430070, Wuhan, China. xuqiang@mail.hzau.edu.cn.ORCID http://orcid.org/0000-0003-1786-9696
Huazhong Agricultural University · CN

Funding

National Natural Science Foundation of China (National Science Foundation of China) 31872052National Natural Science Foundation of China (National Science Foundation of China) 31925034
6 · The paper itself

Abstract

Grafting is an ancient technique used for plant propagation and improvement in horticultural crops for at least 1,500 years. Citrus plants, with a seed-to-seed cycle of 5-15 years, are among the fruit crops that were probably domesticated by grafting. Poncirus trifoliata, a widely used citrus rootstock, can promote early flowering, strengthen stress tolerance, and improve fruit quality via scion-rootstock interactions. Here, we report its genome assembly using PacBio sequencing. We obtained a final genome of 303 Mb with a contig N50 size of 1.17 Mb and annotated 25,680 protein-coding genes. DNA methylome and transcriptome analyses indicated that the strong adaptability of P. trifoliata is likely attributable to its special epigenetic modification and expression pattern of resistance-related genes. Heterografting by using sweet orange as scion and P. trifoliata as rootstock and autografting using sweet orange as both scion and rootstock were performed to investigate the genetic effects of the rootstock. Single-base methylome analysis indicated that P. trifoliata as a rootstock caused DNA demethylation and a reduction in 24-nt small RNAs (sRNAs) in scions compared to the level observed with autografting, implying the involvement of sRNA-mediated graft-transmissible epigenetic modifications in citrus grafting. Taken together, the assembled genome for the citrus rootstock and the analysis of graft-induced epigenetic modifications provide global insights into the genetic effects of rootstock-scion interactions and grafting biology.

Identifiers

PMID33790260
PMCPMC8012640
OpenAlexW3140003935

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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.