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Related Experiment Video

Updated: Jun 13, 2026

Measuring Gene Expression in Bombarded Barley Aleurone Layers with Increased Throughput

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Published on: March 30, 2018

lnc015013-CsMYB30-CsJAZ4/6 Module Co-Regulates JA Synthesis and Enhances Cold Hardiness in Tea Plants.

Pingping Li^1,2, Zhaolan Han¹, Wei Huang¹

¹College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China.

International Journal of Molecular Sciences

|June 12, 2026

Summary

A novel long non-coding RNA (lncRNA), lnc015013, enhances cold tolerance in tea plants by regulating jasmonic acid (JA) signaling. This discovery offers a new pathway for improving crop resilience to cold stress.

Keywords:

JAZ Longjing 43 MYB cold stress jasmonic acid long non-coding RNA tea plant

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Published on: November 9, 2013

Area of Science:

Plant Science
Molecular Biology
Genetics

Background:

Cold stress significantly limits tea plant (Camellia sinensis) growth.
Jasmonic acid (JA) and long non-coding RNAs (lncRNAs) are known regulators of plant stress responses.
The precise role of lncRNAs in JA-mediated cold tolerance is not fully understood.

Purpose of the Study:

To identify and characterize lncRNAs involved in JA-mediated cold tolerance in tea plants.
To elucidate the molecular mechanism by which lncRNAs regulate cold adaptation.
To provide a theoretical basis for molecular breeding of cold-tolerant tea varieties.

Main Methods:

Identification and functional analysis of lnc015013 in tea plants under cold stress.
Gene silencing and overexpression experiments to assess the role of lnc015013, CsMYB30, and CsJAZ4/6.
Heterologous expression in Arabidopsis thaliana to validate gene functions.
Analysis of protein-protein interactions and promoter activity.

Main Results:

Silencing lnc015013 reduced cold tolerance, which was rescued by methyl jasmonate (MeJA).
lnc015013 positively regulated CsMYB30 expression and negatively regulated CsJAZ4/6 expression.
CsMYB30 enhanced cold resistance, while CsJAZ4/6 suppressed it.
CsMYB30 repressed CsJAZ4/6 promoter activity and interacted with CsJAZ4/6, with MeJA affecting this interaction.

Conclusions:

The lnc015013-CsMYB30-CsJAZ4/6 module is a novel regulator of JA biosynthesis and signaling in tea plants.
This pathway provides a new mechanism for cold adaptation in tea plants.
Findings offer a theoretical foundation for developing cold-tolerant tea varieties through molecular breeding.