Advances in Oil Tea

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Crop Physiology and Crop Production".

Deadline for manuscript submissions: closed (20 March 2025) | Viewed by 908

Special Issue Editors


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Guest Editor
State Key Laboratory of Efficient Production of Forest Resources, Key Laboratory of Forest Silviculture and Conservation of the Ministry of Education, The College of Forestry, Beijing Forestry University, Beijing 100083, China
Interests: fruit and seed development; fruit quality; abiotic stress
Special Issues, Collections and Topics in MDPI journals
State Key Laboratory of Efficient Production of Forest Resources, Key Laboratory of Forest Silviculture and Conservation of the Ministry of Education, The College of Forestry, Beijing Forestry University, Beijing 100083, China
Interests: abiotic stress; fruit quality; salt stress
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Oil tea is the general name of the oil species of Camellia in the Theaceae family. It is a perennial evergreen shrub and small tree that is widely distributed in the hilly areas of Southern China. Tea Oil is characterized by high amounts of unsaturated fatty acids, with more than 85 percent of oleic acid, and Oil tea is also known as one of the world's four major woody oil plants. Due to increasing demands for this very healthy oil, the scale of Oil Tea cultivation in China has been expanding in recent years. However, low production and low efficiency are prominent problems, and the mechanism affecting oil tea yield formation is unclear; in addition, all kinds of cultivation measures and environmental factors affect the formation of seed yield. Although some high-yield forests have appeared in recent years due to the improvement in varieties, the problem of low average yield still cannot be addressed, especially with the frequent high temperatures and dry weather in the summer and low temperatures and freezing rain in the winter, which further cause reduced production and low yields. Therefore, this Special Issue aims to present high-level, up-to-date research advances covering but not limited to new breeding varieties, flowering, pollination and fertilization, photosynthesis, the transport of assimilates, the developmental properties of fruits and seeds, oil synthesis regulation, yield formation, abiotic resistance, genomics analysis, etc.

Prof. Dr. Lingyun Zhang
Dr. Yibo Cao
Guest Editors

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Keywords

  • Camellia/oil tea
  • yield formation
  • photosynthesis
  • fruit and seed development
  • flowering and pollination
  • oil synthesis
  • genomics analysis
  • resistance

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Published Papers (1 paper)

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Research

12 pages, 2417 KiB  
Article
Integrated Metabolome and Transcriptome Analyses Provides Insights into Ovule Abortion in Camellia oleifera
by Yayan Zhu, Jiajuan Xu, Gang Wang, Feng Xiao, Minggang Zhang, Qinmeng Zeng and Jie Xu
Plants 2025, 14(4), 613; https://doi.org/10.3390/plants14040613 - 18 Feb 2025
Viewed by 595
Abstract
Camellia oleifera is a unique woody edible oil tree species in China, and the ovule development affects the yield of seeds. This study selected three different types of C. oleifera clones and used LC-MS, RNA-seq, and other techniques to compare the endogenous hormone [...] Read more.
Camellia oleifera is a unique woody edible oil tree species in China, and the ovule development affects the yield of seeds. This study selected three different types of C. oleifera clones and used LC-MS, RNA-seq, and other techniques to compare the endogenous hormone contents, gene expression levels, and metabolite changes between normal and aborted ovules. The results showed that high levels of ABA, JA, and SA may lead to the phenotype of ovule abortion. A total of 270 differential metabolites were identified in the metabolome, with L-methionine, citrulline, L-tryptophan, L-phenylalanine, and indolepyruvate being downregulated to varying degrees in the aborted ovules. Genes involved in plant hormone synthesis and response, such as GH3.1, IAA14, PIN1, AUX22, ARF1_2, BZR1_2, GA2ox, ERFC3, ABF2, and PYL8, responded to ovule development. This study elucidates the physiological, metabolic, and transcriptional responses to ovule abortion, providing a theoretical basis for understanding ovule development and yield regulation in C. oleifera. Full article
(This article belongs to the Special Issue Advances in Oil Tea)
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