Evidence map›Paper›PMID 40112038›Full record

ArticlePlant biotechnology journal2025

Rubber biosynthesis drives the biogenesis and development of rubber particles, the rubber-producing organelles.

Tiancheng Xu, Yongmei Li, Xing Liu, Xue Yang, Zhejun Huang, Jianfeng Xing, Cuili Liang, Junyi Li, Yingchao Tan, Shengmin Zhang and 6 more

Abstract read
In one paragraph

Article in Plant biotechnology journal, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing 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

7 citing papers in PubMed.

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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

16 authors.

Tiancheng Xu *National Key Laboratory for Tropical Crop Breeding, School of Tropical Agriculture and Forestry, School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, China.ORCID https://orcid.org/0009-0000-1727-3150
Yongmei Li *National Key Laboratory for Tropical Crop Breeding, School of Tropical Agriculture and Forestry, School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, China.
Xing LiuNational Key Laboratory for Tropical Crop Breeding, School of Tropical Agriculture and Forestry, School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, China.
Xue YangNational Key Laboratory for Tropical Crop Breeding, School of Tropical Agriculture and Forestry, School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, China.
Zhejun HuangNational Key Laboratory for Tropical Crop Breeding, School of Tropical Agriculture and Forestry, School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, China.
Jianfeng XingNational Key Laboratory for Tropical Crop Breeding, School of Tropical Agriculture and Forestry, School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, China.
Cuili LiangNational Key Laboratory for Tropical Crop Breeding, School of Tropical Agriculture and Forestry, School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, China.
Junyi LiNational Key Laboratory for Tropical Crop Breeding, School of Tropical Agriculture and Forestry, School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, China.
Yingchao TanNational Key Laboratory for Tropical Crop Breeding, School of Tropical Agriculture and Forestry, School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, China.
Shengmin ZhangNational Key Laboratory for Tropical Crop Breeding, School of Tropical Agriculture and Forestry, School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, China.
Jiyan QiNational Key Laboratory for Tropical Crop Breeding, School of Tropical Agriculture and Forestry, School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, China.
De YeNational Key Laboratory for Tropical Crop Breeding, School of Tropical Agriculture and Forestry, School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, China.
Zhonghua LiNational Key Laboratory for Tropical Crop Breeding, School of Tropical Agriculture and Forestry, School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, China.
Jie CaoNational Key Laboratory for Tropical Crop Breeding, School of Tropical Agriculture and Forestry, School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, China.
Chaorong TangNational Key Laboratory for Tropical Crop Breeding, School of Tropical Agriculture and Forestry, School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, China.
Kaiye LiuNational Key Laboratory for Tropical Crop Breeding, School of Tropical Agriculture and Forestry, School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, China.ORCID https://orcid.org/0000-0003-2846-7609

Funding

National Natural Science Foundation of China 31825007National Natural Science Foundation of China 32101543National Natural Science Foundation of China 32160383National Natural Science Foundation of China 32201450
6 · The paper itself

Abstract

Rubber particles (RPs) are specialized organelles for the biosynthesis and storage of natural rubber in rubber-producing plants. However, the mechanisms underlying the biogenesis and development of RPs remain unclear. In this study, two latex-specific cis-prenyltransferases (CPTs), TkCPT1 and TkCPT2, were identified in Taraxacum kok-saghyz, with almost identical orthologues retained across other Taraxacum species. For the first time, Tkcpt1 single and Tkcpt1/2 double mutants were successfully generated using the CRISPR/Cas9 system. Rubber biosynthesis was significantly depressed in Tkcpt1 mutants and completely blocked in Tkcpt1/2 mutants. The absence of RPs in the Tkcpt1/2 was confirmed using oil red O and Nile red staining, high-speed centrifugal stratification, cryo-SEM and TEM on fresh latex or laticifer cells. Transcriptomic and proteomic analyses revealed that, in the latex of Tkcpt1/2, rubber biosynthesis was blocked at the protein level, while metabolomic profiling indicated an enrichment of lipids and terpenoids. Furthermore, knockout of TkCPTL1, a latex-specific CPT-like gene that encodes a rubber transferase activator, resulted in outright disruption of rubber biosynthesis and RP ontogeny, a phenotype similar to that of Tkcpt1/2 mutants. These findings indicate that rubber biosynthesis is a driving force for the biogenesis and development of RPs, providing new insights into rubber production mechanisms.

Indexed as

LatexOrganellesRubberTaraxacumCRISPR-Cas SystemsGene Expression Regulation, PlantPlant ProteinsTransferasescis-prenyl transferaseLatexPlant ProteinsRubberTransferasesbiogenesis and developmentrubber dandelionrubber particlesTkCPTTkCPTL

Identifiers

PMID40112038
PMCPMC12120880

What OpenQuestion holds

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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.