Article
Plant Sciences
Yufei Dong, Mingjia Tang, Zelan Huang, Jianing Song, Jin Xu, Golam Jalal Ahammed, Jingquan Yu, Yanhong Zhou
Summary: The study identified the miR164a-NAM3 module which enhances cold tolerance in tomato plants by regulating ethylene synthesis genes.
Article
Plant Sciences
Xiashun Liu, Xingfeng Zong, Xia Wu, Hao Liu, Jvdong Han, Zhengpei Yao, Yanping Ren, Li Ma, Bo Wang, Hua Zhang
Summary: HaNAC3 is a transcriptional activator that may play a role in plant responses to high temperature, high salt, drought, and phytohormone treatments. It enhances the tolerance of transgenic tobacco to abiotic stress and regulates downstream genes and metabolic pathways. This suggests its potential application as a plant tolerance gene.
Article
Horticulture
Hee Ju Lee, Jin Hyoung Lee, Seunghwan Wi, Yoonah Jang, Sewoong An, Chang Keun Choi, Seonghoe Jang
Summary: The research reveals that pretreatment with glutamic acid can enhance photosynthetic efficiency, increase antioxidant enzyme activity, and alter gene expression levels in tomato plants under low temperature stress, leading to alleviation of oxidative damage.
SCIENTIA HORTICULTURAE
(2021)
Article
Biology
Maria Doroteia Campos, Maria do Rosario Felix, Mariana Patanita, Patrick Materatski, Andre Albuquerque, Joana A. Ribeiro, Carla Varanda
Summary: Tomato, one of the most important vegetable crops worldwide, is affected by various pathogens that reduce yield and affect product quality. Studying the tomato-pathogen system can help us better understand the molecular mechanisms of disease resistance and improve crop yield and product quality. In this review, we provide an overview of recent studies on tomato transcription factors (TFs) involved in defense responses to pathogens, focusing on TF families that are abundant, important, and well-characterized.
Article
Plant Sciences
Yuanyuan Wu, Shuwen Lv, Yaran Zhao, Chenliang Chang, Wei Hong, Jing Jiang
Summary: In this study, it was found that the overexpression of SlHSP17.7 gene in tomatoes can improve their cold tolerance. This is achieved by enhancing membrane fluidity and activating the Ca2+ signaling pathway, resulting in the regulation of chilling tolerance in tomato plants.
Article
Plant Sciences
Jing Ma, Li-yue Wang, Jia-xi Dai, Ying Wang, Duo Lin
Summary: CaNAC46 is an important transcription factor that regulates plant resistance to abiotic stresses such as drought and salinity by activating ROS-scavenging enzymes and enhancing root formation. The regulatory mechanisms controlling this NAC transcription factor appear to be conserved between Arabidopsis thaliana and pepper.
Article
Plant Sciences
D. Tsitsekian, G. Daras, D. Templalexis, F. Avgeri, L. Lotos, C. G. Orfanidou, V. Ntoukakis, V. I. Maliogka, S. Rigas
Summary: Plants have evolved surveillance systems and defense mechanisms to restrict pathogens, with transcription factors (TFs) playing a key role. In this study, a combination of transcriptome analysis, validation, comparative analysis, and co-expression analysis was used to identify 11 highly responsive TFs involved in regulating host responses to PepMV. These findings provide insights into the molecular responses of the tomato-PepMV pathosystem.
Article
Biochemistry & Molecular Biology
Zijian Xu, Fan Wang, Yongbo Ma, Haoran Dang, Xiaohui Hu
Summary: SlAREB1, a bZIP transcription factor, responds strongly to both ABA and saline-alkaline stress in tomato. Overexpression of SlAREB1 in tomato plants reduces malondialdehyde content, increases relative water content, and alleviates chlorophyll degradation under saline-alkaline stress. SlAREB1 directly physically interacts with SlMn-SOD, enhancing antioxidant enzyme activity and scavenging of reactive oxygen species.
Article
Agronomy
Yudong Liu, Jing Chen, Dongbo Lin
Summary: Tomato fruit are susceptible to postharvest chilling injuries, causing quality deterioration and economic losses worldwide. This study revealed the breakdown of endomembranes and intracellular organelles after cold storage, along with significant changes in primary metabolites. Phosphorylation of primary metabolism-related proteins, including important enzymes, played a crucial role in the response to postharvest cold storage in tomato fruit.
POSTHARVEST BIOLOGY AND TECHNOLOGY
(2023)
Article
Plant Sciences
Sivan David, Elena Levin, Elazar Fallik, Sharon Alkalai-Tuvia, Majid R. Foolad, Amnon Lers
Summary: Storage at low temperatures is a common practice to prolong the postharvest life of fruits and vegetables. This study investigates the response of tomato fruit to postharvest chilling stress. Screening of a tomato population revealed significant variations in chilling tolerance, and weight loss, chlorophyll fluorescence parameters, and performance index were identified as efficient markers for evaluating chilling response in postharvest fruit.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Biochemistry & Molecular Biology
Xinran Du, Mingxing Su, Yang Jiao, Suxiang Xu, Jieqiong Song, Hongfei Wang, Qiuli Li
Summary: In this study, a new NAC gene, SlNAC10, was cloned from the halophyte Suaeda liaotungensis K. The SlNAC10 gene was found to be highly expressed in the leaves of S. liaotungensis and induced by drought, salt, cold, and ABA. Transgenic Arabidopsis plants overexpressing SlNAC10 showed improved salt and drought tolerance, along with increased proline content and antioxidant enzyme activities. SlNAC10 was found to regulate the transcription of proline synthesis-related enzymes. This study suggests that SlNAC10 plays a role in enhancing salt and drought tolerance in plants by regulating proline synthesis.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2022)
Article
Plant Sciences
Ola H. Abd Elbar, Amr Elkelish, Gniewko Niedbala, Reham Farag, Tomasz Wojciechowski, Soumya Mukherjee, Ayman F. Abou-Hadid, Hussien M. El-Hennawy, Ahmed Abou El-Yazied, Hany G. Abd El-Gawad, Ehab Azab, Adil A. Gobouri, Ahmed M. El-Sawy, Ahmed Bondok, Mohamed F. M. Ibrahim
Summary: The application of GABA can alter leaf pigment composition and increase root tissue thermotolerance in tomato plants. GABA also significantly mitigates chilling-induced oxidative damage, enhances the activity of antioxidant enzymes, and maintains cell membrane integrity.
FRONTIERS IN PLANT SCIENCE
(2021)
Article
Biochemistry & Molecular Biology
Edit Horvath, Kitti Kulman, Bernat Tompa, Adam Barnabas Hajnal, Alina Pelsoczi, Krisztina Bela, Agnes Galle, Jolan Csiszar
Summary: In this study, the involvement of genotype-specific induction of GST genes and glutathione- or redox-related genes in pathways regulating salt-stress tolerance in tomato cultivars was examined. The results showed that the Mobil plants were adversely affected during salt stress, while the Moneymaker and Elan F1 cultivars were able to restore their growth and exhibited higher GR and inducible GST activities, as well as elevated, non-enzymatic antioxidant levels, indicating their enhanced salt tolerance. The correlations between EGSH and gene expression data revealed several robust, cultivar-specific associations, underscoring the complexity of the stress response mechanism in tomatoes.
Article
Agronomy
Xiaoxi Guan, Changling Sui, Kecui Luo, Zhifeng Chen, Chaoyang Feng, Xiufen Dong, Boping Zeng, Xian Dong, Xiaofang Liu
Summary: In this study, the effect of exogenous auxin on cadmium stress in tomato plants was investigated. The results showed that NAA improved root growth and enhanced antioxidant enzyme activities, reducing oxidative damage caused by cadmium. Transcriptome analysis revealed that NAA activated a large number of genes related to defense response and response to auxin in shoots and roots, suggesting that NAA-mediated response to cadmium stress involves the regulation of defense response genes and oxidoreductase activity in shoots and roots.
Article
Plant Sciences
Fernando Ferrari Putti, Jessica Pigatto de Queiroz Barcelos, Bruno Cesar Goes, Renata Fernandes Alves, Mario Mollo Neto, Alexsandro Oliveira da Silva, Luis Roberto Almeida Gabriel Filho, Willian Aparecido Leotti Zanetti, Angela Vacaro de Souza
Summary: The objective of this study was to investigate the effects of very low-frequency electromagnetic resonance field treatment on water for tomato crops. The results showed that irrigation with treated water can reduce oxidative stress caused by water deficit and increase tomato crop productivity.