The miR164a targets CsNAC1 to negatively regulate cold tolerance of tea plants (Camellia sinensis) DOI Creative Commons

Siya Li,

Lu Cao,

Ziwen Zhou

et al.

Journal of Integrative Agriculture, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 1, 2024

Language: Английский

Suppression of CsFAD3 in a JA-dependent manner but not the SA pathway impaired drought stress tolerance in tea1 DOI Creative Commons
Na Chang,

Xiaotian Pi,

Ziwen Zhou

et al.

Journal of Integrative Agriculture, Journal Year: 2024, Volume and Issue: unknown

Published: April 1, 2024

The growth and yield of tea plants are seriously limited by drought stress. Fatty acid desaturations (FADs) contribute to mediating membrane fluidity in response different stresses; however, the role ω-3 FAD (Omega-3 fatty desaturase)-mediated damage induced stress is poorly understood. In this study, significantly promoted synthesis C18:3 (linolenic acid) expression level CsFAD3. Yeast experiments further demonstrated that CsFAD3 can convert C18:2 35S:GFP-CsFAD3 fusion protein was localized endoplasmic reticulum Nicotiana benthamiana (N. benthamiana) cells. CsFAD3-silenced leaves exhibited poor tolerance, with lower Fv/Fm greater MDA (malondialdehyde) content compared those control plants. However, transgenic 35S:CsFAD3 Arabidopsis showed opposite phenotypes. addition, JA (jasmonic contents levels CsLOX2, CsLOX4, CsAOS, CsAOC3 CsOPR were reduced under no substantial difference SA (salicylic detected normal or conditions. Analysis Atcoi1 (JA receptor) Atnpr1 (SA mutant backgrounds revealed knockout impaired drought-tolerant phenotypes overexpression lines. Therefore, our study played a crucial tolerance pathways.

Language: Английский

Citations

4
The Physiological Responses of Tea to pH and Cd Conditions and the Effect of the CsHMA2 on Cd Transport DOI Creative Commons
Bin Yang, Yao Xiao, Lie Li

et al.

Plants, Journal Year: 2025, Volume and Issue: 14(4), P. 570 - 570

Published: Feb. 13, 2025

Soil acidification in tea (Camellia sinensis L.) gardens leads to nutrient depletion, inhibits the growth of plants, reduces quality, and activates heavy metals such as cadmium (Cd) soil. To clarify impact soil pH under acidified conditions on plant physiology key genes involved Cd2+ transport this study planted 'Longjing 43' different levels (4.0, 4.5, 5.5) Cd concentrations (T1 = 0 mg L-1, T2 0.01 T3 0.05 T4 0.2 L-1). The results showed that concentration plants from highest lowest was root > stem mature leaves young leaves. Under T4, with decreasing pH, total chlorophyll significantly decreased, Fv/Fm stomatal aperture reduced, net photosynthetic rate transpiration decreased. In treatment at 4.0, contents free proline malondialdehyde were both highest, while superoxide dismutase (SOD), peroxidase (POD), catalase micrococcus lysodeiktic (CAT) a significant negative correlation pH. By screening genome data, nine CsHMAs metal ion identified. qRT-PCR indicated expression level CsHMA2 tea, localized cell membrane. transient overexpression enhanced ability Cd2+, whereas silencing weakened ability. These findings not only help understand how adapts regulates its physiological processes acidic environments but also provide an important theoretical basis technical guidance for improvement gardens, control pollution, optimization quality.

Language: Английский

Citations

0
Integrated metabolomic and transcriptomic analyses revealed the overlapping response mechanisms of banana to cold and drought stress DOI
Junchao Xing, Xiaoxue Ye,

Kaisen Huo

et al.

Plant Physiology and Biochemistry, Journal Year: 2025, Volume and Issue: 222, P. 109766 - 109766

Published: March 6, 2025

Language: Английский

Citations

0
Exogenous Spermidine Alleviated Low-Temperature Damage by Affecting Polyamine Metabolism and Antioxidant Levels in Apples DOI Creative Commons

Meiqi He,

Jia Zhou,

Deguo Lyu

et al.

Plants, Journal Year: 2024, Volume and Issue: 13(8), P. 1100 - 1100

Published: April 15, 2024

Low-temperature stress significantly limits the growth, development, and geographical distribution of apple cultivation. Spermidine (Spd), a known plant growth regulator, plays vital role in plant’s response to abiotic stress. Yet, mechanisms by which exogenous Spd enhances cold resistance apples remain poorly understood. Therefore, present study analyzed effects on antioxidant enzyme activity, polyamine metabolism, related gene expression levels 1-year-old branches under low-temperature Treatment with was found stabilize branch tissue biofilms reduce reactive oxygen species elevating proline content boosting activity antioxidants such as superoxide dismutase. It also upregulated activities arginine decarboxylase, S-adenosylmethionine spermidine synthase MdADC1, MdSAMDC1, MdSPDS1 led accumulation large amounts spermine. Moreover, compared 2 mmol·L−1 treatment, 1 treatment increased cold-responsive genes MdCBF1/2/3, MdCOR47, MdKIN1, significantly. The findings suggest that can enhance This enhancement is achieved modulating metabolism improving defense mechanisms, could be exploited improve cultivation conditions.

Language: Английский

Citations

2
Molecular cloning, expression profiles, characterization and function of a novel arginine decarboxylase gene (HbADC2) in Hevea brasiliensis DOI
Zhi Deng,

Lanfei Hou,

Zhihui Xia

et al.

Industrial Crops and Products, Journal Year: 2024, Volume and Issue: 211, P. 118231 - 118231

Published: Feb. 16, 2024

Language: Английский

Citations

0
Optimization of Tea (Camellia Sinensis) Micrografting Technique to Enhance its Adoption in Tea Cultivation DOI
Yaohua Cheng,

Mengling Lin,

Hongying Wang

et al.

Published: Jan. 1, 2024

Language: Английский

Citations

0
The miR164a targets CsNAC1 to negatively regulate cold tolerance of tea plants (Camellia sinensis) DOI Creative Commons

Siya Li,

Lu Cao,

Ziwen Zhou

et al.

Journal of Integrative Agriculture, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 1, 2024

Language: Английский

Citations

0