Evidence map›Paper›PMID 32938399›Full record

ArticleBMC plant biology2020

Revealing the full-length transcriptome of caucasian clover rhizome development.

Xiujie Yin, Kun Yi, Yihang Zhao, Yao Hu, Xu Li, Taotao He, Jiaxue Liu, Guowen Cui

Open access · goldAbstract read
In one paragraph

Article in BMC plant biology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
2.1field-weighted citation impact, top 12% 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

8 citing papers in PubMed, 19 citations in OpenAlex.

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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

8 authors at 1 institution in 1 country.

Xiujie YinCollege of Animal Science and Technology, Northeast Agricultural University, No.600 Changjiang Street, Xiangfang District, Harbin, 150030, Heilongjiang, China.
Kun YiCollege of Animal Science and Technology, Northeast Agricultural University, No.600 Changjiang Street, Xiangfang District, Harbin, 150030, Heilongjiang, China.
Yihang ZhaoCollege of Animal Science and Technology, Northeast Agricultural University, No.600 Changjiang Street, Xiangfang District, Harbin, 150030, Heilongjiang, China.
Yao HuCollege of Animal Science and Technology, Northeast Agricultural University, No.600 Changjiang Street, Xiangfang District, Harbin, 150030, Heilongjiang, China.
Xu LiCollege of Animal Science and Technology, Northeast Agricultural University, No.600 Changjiang Street, Xiangfang District, Harbin, 150030, Heilongjiang, China.
Taotao HeCollege of Animal Science and Technology, Northeast Agricultural University, No.600 Changjiang Street, Xiangfang District, Harbin, 150030, Heilongjiang, China.
Jiaxue LiuCollege of Animal Science and Technology, Northeast Agricultural University, No.600 Changjiang Street, Xiangfang District, Harbin, 150030, Heilongjiang, China.
Guowen CuiCollege of Animal Science and Technology, Northeast Agricultural University, No.600 Changjiang Street, Xiangfang District, Harbin, 150030, Heilongjiang, China. cuigw603@126.com.
Northeast Agricultural University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundCaucasian clover (Trifolium ambiguum M. Bieb.) is a strongly rhizomatous, low-crowned perennial leguminous and ground-covering grass. The species may be used as an ornamental plant and is resistant to cold, arid temperatures and grazing due to a well-developed underground rhizome system and a strong clonal reproduction capacity. However, the posttranscriptional mechanism of the development of the rhizome system in caucasian clover has not been comprehensively studied. Additionally, a reference genome for this species has not yet been published, which limits further exploration of many important biological processes in this plant.

resultWe adopted PacBio sequencing and Illumina sequencing to identify differentially expressed genes (DEGs) in five tissues, including taproot (T1), horizontal rhizome (T2), swelling of taproot (T3), rhizome bud (T4) and rhizome bud tip (T5) tissues, in the caucasian clover rhizome. In total, we obtained 19.82 GB clean data and 80,654 nonredundant transcripts were analysed. Additionally, we identified 78,209 open reading frames (ORFs), 65,227 coding sequences (CDSs), 58,276 simple sequence repeats (SSRs), 6821 alternative splicing (AS) events, 2429 long noncoding RNAs (lncRNAs) and 4501 putative transcription factors (TFs) from 64 different families. Compared with other tissues, T5 exhibited more DEGs, and co-upregulated genes in T5 are mainly annotated as involved in phenylpropanoid biosynthesis. We also identified betaine aldehyde dehydrogenase (BADH) as a highly expressed gene-specific to T5. A weighted gene co-expression network analysis (WGCNA) of transcription factors and physiological indicators were combined to reveal 11 hub genes (MEgreen-GA3), three of which belong to the HB-KNOX family, that are up-regulated in T3. We analysed 276 DEGs involved in hormone signalling and transduction, and the largest number of genes are associated with the auxin (IAA) signalling pathway, with significant up-regulation in T2 and T5.

conclusionsThis study contributes to our understanding of gene expression across five different tissues and provides preliminary insight into rhizome growth and development in caucasian clover.

Indexed as

TranscriptomeGene Expression Regulation, PlantGenes, PlantMicrosatellite RepeatsOpen Reading FramesRhizomeRNA, Long NoncodingRNA, PlantSequence Analysis, DNATrifoliumRNA, Long NoncodingRNA, PlantCaucasian clover (Trifolium ambiguum M. Bieb.)Full-length transcriptomePlant hormoneRhizomeRNA-seqTFs

Identifiers

PMID32938399
PMCPMC7493993
OpenAlexW3086154896

What OpenQuestion holds

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LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.