Article
Plant Sciences
Yunchen Luo, Yongyan Wang, Xin Li, Xiaohan Yang, Huiru Bai, Xiaoqin Liao, Xuanling Luo, Fan Zhang, Lei Zhang, Qinglin Liu
Summary: Cold stress affects the growth and development of plants, and this study reveals the important regulatory roles of MYB transcription factors and histone H3K4me3 transferase ATXs in plant resistance to low temperatures. The study demonstrates that DgMYB and DgATX interact with each other and regulate H3K4me3 levels at DgPOD, leading to increased cold tolerance in chrysanthemums.
Article
Plant Sciences
Xiaoqin Liao, Xingsu Zhang, Xin Li, Yuchen Tian, Qing Yang, Yongyan Wang, Si Tang, Xuanling Luo, Fan Zhang, Lei Zhang, Beibei Jiang, Qinglin Liu
Summary: This study reports the discovery of a newly identified posttranslational modification called lysine malonylation (Kmal), and its role in the response to abiotic stress in plants. By overexpressing and CRISPR-Cas9-mediated gene editing of DgnsLTP1, a nonspecific lipid transfer protein, it was found to confer cold tolerance in chrysanthemum. Further investigation revealed that DgnsLTP1 interacts with a plasma membrane intrinsic protein (PIP) called DgPIP, and through the regulation of DgGPX expression and activity, it enhances chrysanthemum's low-temperature stress tolerance.
Article
Plant Sciences
Xiaohan Yang, Yunchen Luo, Huiru Bai, Xin Li, Si Tang, Xiaoqin Liao, Lei Zhang, Qinglin Liu
Summary: In this study, a cold-induced MYB transcription factor, DgMYB2, was found to enhance cold tolerance in chrysanthemum by increasing the activity of glutathione peroxidase and reducing reactive oxygen species accumulation.
HORTICULTURE RESEARCH
(2022)
Article
Plant Sciences
Huiru Bai, Xiaoqin Liao, Xin Li, Bei Wang, Yunchen Luo, Xiaohan Yang, Yuchen Tian, Lei Zhang, Fan Zhang, Yuanzhi Pan, Beibei Jiang, Yin Jia, Qinglin Liu
Summary: The bZIP transcription factor plays a critical role in the cold stress response in chrysanthemum. Overexpression of DgbZIP3 and DgbZIP2 enhances tolerance and activates the expression of DgPOD, an important gene related to peroxidase activity. The interaction between DgbZIP3 and DgbZIP2 regulates the expression of DgPOD and improves the defense mechanism against low-temperature stress.
HORTICULTURE RESEARCH
(2022)
Article
Plant Sciences
Chang Tian, Lisheng Zhai, Wenjing Zhu, Xiangyu Qi, Zhongyu Yu, Haibin Wang, Fadi Chen, Likai Wang, Sumei Chen
Summary: Plant-specific TCP transcription factors play a key role in conferring cold tolerance upon Chrysanthemum nankingense, with CnTCP4 playing a negative regulatory role in cold stress response.
Article
Plant Sciences
Xin Li, Qing Yang, Xiaoqin Liao, Yuchen Tian, Fan Zhang, Lei Zhang, Qinglin Liu
Summary: This study discovered an antisense lncRNA, DglncTCP1, transcribed from DgTCP1, which plays a role in the response of chrysanthemum to cold stress. It enhances cold tolerance by regulating the expression of DgTCP1 and interacting with the histone modification protein DgATX. Additionally, DgTCP1 directly targets the peroxidase gene DgPOD to promote its expression and reduce reactive oxygen species accumulation.
Article
Horticulture
Huiru Bai, Ping Lin, Xin Li, Xiaoqin Liao, Lihua Wan, Xiaohan Yang, Yunchen Luo, Lei Zhang, Fan Zhang, Shiliang Liu, Qinglin Liu
Summary: The CCCH-type zinc finger protein DgC3H1 isolated from chrysanthemums has been shown to enhance cold stress resistance in the plants, potentially making it an excellent candidate gene for breeding cold-tolerant varieties. Additionally, overexpression of DgC3H1 led to increased levels of proline and soluble sugars, as well as enhanced antioxidant enzyme activities under cold stress, while downregulation resulted in the opposite effects. Moreover, the expression of key cold stress response genes was altered in correlation with DgC3H1 expression levels.
SCIENTIA HORTICULTURAE
(2021)
Article
Plant Sciences
Peixuan Xiao, Jia-Wu Feng, Xi-Tong Zhu, Junxiang Gao
Summary: The calmodulin binding transcription activator (CAMTA) is a widely present transcription factor in eukaryotes that plays important roles in plant growth and response to biotic and abiotic stresses. Studies have revealed that the CAMTA family originated from chlorophyta, showed significant structure variation during early evolution, and gradually increased in number in higher plants. CAMTA genes exhibit species, tissue, and developmental stage specificity, and may promote the maturation and senescence processes._CAMTAs have been shown to enhance cold tolerance in rice by regulating carbohydrate metabolism-related genes and interacting with other transcription factors. Our study provides insights into the molecular evolution of the CAMTA family and lays the groundwork for further investigation of their biological functions.
FRONTIERS IN PLANT SCIENCE
(2021)
Article
Plant Sciences
Friedrich H. Kleiner, Katherine E. Helliwell, Abdul Chrachri, Amanda Hopes, Hannah Parry-Wilson, Trupti Gaikwad, Nova Mieszkowska, Thomas Mock, Glen L. Wheeler, Colin Brownlee
Summary: A calcium signaling pathway in marine diatoms is activated by cold temperature, enhancing survival during hypo-osmotic stress. Cold-induced calcium signaling interacts with osmotic signaling pathways to regulate cell volume in response to simultaneous stressors.
Review
Plant Sciences
Qingbing Chen, Kang Gao, Yuran Xu, Yahui Sun, Bo Pan, Dongliang Chen, Chang Luo, Xi Cheng, Hua Liu, Conglin Huang
Summary: This article provides a comprehensive overview of the progress in cold tolerance research in chrysanthemums from various aspects, including phenotype, physiological mechanisms, genetics, molecular mechanisms, and breeding. The research on cold tolerance in chrysanthemums is vital for guiding their production and application.
FRONTIERS IN PLANT SCIENCE
(2023)
Article
Plant Sciences
Yan Yan, Sun Mintao, Ma Si, Feng Qian, Wang Yijia, Di Qinghua, Zhou Mengdi, He Chaoxing, Li Yansu, Gao Lihong, Yu Xianchang
Summary: This study reveals the mechanism of G protein Ga subunit (CsGPA1) in regulating cold tolerance of plants. The results show that CsGPA1 interacts with CsCDL1 and CsCOR413PM2, and positively regulates the expression of brassinolide-related genes. Additionally, CsGPA1 or CsCOR413PM2 inhibition affects Ca (2+) influx at low temperature and subsequently modulates the expression of CsICE-CsCBF.
HORTICULTURE RESEARCH
(2022)
Article
Plant Sciences
Rui Lin, Jianing Song, Mingjia Tang, Lingyu Wang, Jingquan Yu, Yanhong Zhou
Summary: This study reveals that CaM6 negatively regulates plant cold tolerance by attenuating ICE1 and decreasing the expression levels of ICE1-dependent stress- and metabolism-related genes. The findings shed light on the mechanism of plant response to cold stress and provide insight into the role of CaM6 in the regulation of ICE1.
Article
Plant Sciences
Saeed Amini, Reza Maali-Amiri, Seyyedeh-Sanam Kazemi-Shahandashti, Miguel Lopez-Gomez, Behzad Sadeghzadeh, Ahmad Sobhani-Najafabadi, Khalil Kariman
Summary: The study showed that under cold stress conditions, tolerant chickpea genotype exhibited lower H2O2 content and electrolyte leakage compared to the sensitive genotype. The tolerant genotype also demonstrated higher activity of antioxidant enzymes and accumulation of polyamines, contributing to its cold tolerance.
JOURNAL OF PLANT PHYSIOLOGY
(2021)
Article
Multidisciplinary Sciences
Guoqing Lu, Lihua Wang, Lili Zhou, Xiaofeng Su, Huiming Guo, Hongmei Cheng
Summary: This study successfully obtained transgenic cotton with enhanced stress tolerance by inserting the AmCBF1 gene, demonstrating higher relative water content, chlorophyll content, soluble sugar content, and lower ion leakage. Transgenic cotton exhibited significant differences in characteristics compared to the wild type. Although the photosynthetic ability of transgenic plants was inhibited, the net photosynthetic rate, stomatal conductance, and transpiration rate were significantly higher than the wild type.
Article
Plant Sciences
Jahad Soorni, Seyed Kamal Kazemitabar, Danial Kahrizi, Ali Dehestani, Nadali Bagheri, Attila Kiss, Peter Gergo Kovacs, Istvan Papp, Iman Mirmazloum
Summary: In this study, cold-acclimated and non-acclimated Camelina biotypes were compared for stress-associated biomarkers and gene expression. The results showed that cold acclimation had a positive effect on freezing tolerance, increasing the protein and proline content in stressed plants. Freezing stress significantly affected antioxidant enzyme activity and gene expression.
