Article
Plant Sciences
Guoxiang Jiang, Zhiwei Li, Xiaochun Ding, Yijie Zhou, Hongmei Lai, Yueming Jiang, Xuewu Duan
Summary: A WUSCHEL-related homeobox transcription factor (TF), SlWOX13, regulates tomato fruit ripening via ethylene synthesis and signaling, as well as transcriptional regulation of key ripening-related TFs.
Article
Agronomy
Haiying Yang, Jianzhao Li, Xiaohe Li, Rui Wu, Xueli Zhang, Xinguang Fan, Guotian Li, Hansheng Gong, Xueren Yin, Aidi Zhang
Summary: Gibberellins (GAs) can delay kiwifruit ripening by affecting various physiological traits such as firmness, starch/total soluble solid content, cell-wall components, ethylene and ester production, and ascorbic acid concentration. Transcriptome analysis revealed the molecular basis for the inhibiting mechanism of GA3 and metabolic variations during kiwifruit ripening. These GA-responsive genes play important roles in controlling kiwifruit ripening.
POSTHARVEST BIOLOGY AND TECHNOLOGY
(2023)
Article
Plant Sciences
Chen Sun, Gai-fang Yao, Li-xia Li, Ting-ting Li, Yu-qi Zhao, Kang-di Hu, Conghe Zhang, Hua Zhang
Summary: Through transcriptome profiling of tomatoes, it was found that WRKY71, a transcription factor, was significantly upregulated and negatively correlated with the delay in fruit ripening. Experimental evidence confirmed that WRKY71 acts as a repressor of tomato ripening, while CAS1 plays an opposite role. The interaction between WRKY71 and BRG3 is regulated by persulfidation, which affects the binding activity of WRKY71 to the CAS1 promoter.
Review
Plant Sciences
Kapil Gupta, Shabir H. Wani, Ali Razzaq, Milan Skalicky, Kajal Samantara, Shubhra Gupta, Deepu Pandita, Sonia Goel, Sapna Grewal, Vaclav Hejnak, Aalok Shiv, Ahmed M. El-Sabrout, Hosam O. Elansary, Abdullah Alaklabi, Marian Brestic
Summary: Abscisic acid (ABA) is a plant growth regulator that plays crucial roles in seed maturation, dormancy, stress responses, and leaf and bud abscission. ABA activity is controlled by multiple regulatory pathways, including biosynthesis, signal transduction, and transport. ABA transports from the shoot to the fruit, where it interacts with ethylene during fruit ripening. The understanding of the mechanisms governing ABA's role in fruit growth and ripening is still unfolding.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Plant Sciences
Yuan Feng, Xiaohong Kou, Shuai Yuan, Caie Wu, Xiaoyang Zhao, Zhaohui Xue, Qingxiu Li, Zhengyu Huang, Yijie Sun
Summary: The NAC transcriptional regulator SNAC9 plays a crucial role in tomato ripening and pigment metabolism. Knockout of SNAC9 leads to delayed fruit ripening and significant changes in carotenoid metabolism. SNAC9 directly regulates critical genes involved in pigment metabolism and also affects the expression of genes in ethylene and ABA biosynthesis pathways. This research provides important insights into the regulation of tomato ripening and has potential implications for crop improvement.
HORTICULTURE RESEARCH
(2023)
Article
Biochemistry & Molecular Biology
Lei Deng, Tianxia Yang, Qian Li, Zeqian Chang, Chuanlong Sun, Hongling Jiang, Xianwen Meng, Tingting Huang, Chang-Bao Li, Silin Zhong, Chuanyou Li
Summary: MED25 plays a crucial role in fruit ripening by interacting with master transcription factors of the EIN3/EIL family and forming a transcriptional module with EIL1. It controls ethylene-induced gene transcription by facilitating pre-initiation complex formation and regulates the expression of ripening-related regulatory and structural genes through promoter binding. The EIL1-MED25 module, along with its downstream regulators, orchestrates both positive and negative feedback transcriptional circuits to fine-tune ethylene homeostasis during fruit ripening.
Article
Plant Sciences
Ximena Chirinos, Shiyu Ying, Maria Aurineide Rodrigues, Elie Maza, Anis Djari, Guojian Hu, Mingchun Liu, Eduardo Purgatto, Sylvie Fournier, Farid Regad, Mondher Bouzayen, Julien Pirrello
Summary: The transition to fruit ripening is a complex process that involves multihormonal control, starting in the locular tissue before extending to the pericarp. This study reveals the transcriptomic reprogramming associated with tomato fruit ripening and highlights the crucial role of auxin in the initiation of ripening.
Article
Plant Sciences
Yuan Feng, Xiaohong Kou, Shuai Yuan, Caie Wu, Xiaoyang Zhao, Zhaohui Xue, Qingxiu Li, Zhengyu Huang, Yijie Sun
Summary: This study established a SNAC9 knockout model using CRISPR/Cas9 technology and found that SNAC9 mutation significantly affected carotenoid metabolism during tomato ripening. The mutations resulted in delayed fruit ripening, decreased chlorophyll degradation rate, total carotenoid content, and lycopene content. The transformation rate of chloroplasts to chromoplasts was also slower in mutants. SNAC9 was found to regulate carotenoid metabolism by directly regulating critical genes involved in pigment metabolism.
HORTICULTURE RESEARCH
(2023)
Article
Horticulture
Xiaoya Tao, Qiong Wu, Jiayin Li, Di Wang, Sanusi Shamsudeen Nassarawa, Tiejin Ying
Summary: MeJA treatment accelerated fruit ripening by enhancing ethylene production and up-regulating the genes associated with ethylene biosynthesis and signal transduction during postharvest tomatoes ripening.
SCIENTIA HORTICULTURAE
(2021)
Article
Plant Sciences
Yusuke Kamiyoshihara, Yuki Achiha, Shin Ishikawa, Shinji Mizuno, Hitoshi Mori, Akira Tateishi, Donald J. Huber, Harry J. Klee
Summary: Ethylene receptors function in heteromeric complexes across subfamilies in tomato fruit, providing insights into the regulation of ethylene signaling during tomato fruit ripening. Tomato receptor members form heteromeric complexes to fine-tune signal output to the downstream pathway, similar to the Arabidopsis system but with some differences.
JOURNAL OF EXPERIMENTAL BOTANY
(2022)
Article
Biochemistry & Molecular Biology
Changan Zhu, Shaofang Wu, Ting Sun, Zhiwen Zhou, Zhangjian Hu, Jingquan Yu
Summary: Rosmarinic acid (RA) treatment in postharvest significantly delayed ripening, reduced ethylene production, inhibited color change, promoted amino acid accumulation, and enhanced antioxidant activity in tomato fruits. These findings indicate a novel function of RA in fruit ripening, offering an attractive strategy to manage and improve the quality of tomato fruits.
Article
Plant Sciences
Fenfen Li, Mengjie Fu, Shengen Zhou, Qiaoli Xie, Guoping Chen, Xuqing Chen, Zongli Hu
Summary: In this study, the tomato HD-Zip transcription factor VAHOX1 was found to be involved in fruit ripening. Suppression of VAHOX1 accelerated fruit ripening, increased sensitivity to ethylene, and enhanced carotenoid content and ethylene production in tomato fruits. Conversely, overexpression of VAHOX1 had the opposite effect. VAHOX1 affected the expression of genes involved in ethylene biosynthesis, signal transduction, and cell wall modification. The findings expand our knowledge of the physiological functions of HD-Zip transcription factors in tomato and highlight the diversity of transcriptional regulation during fruit ripening.
HORTICULTURE RESEARCH
(2023)
Article
Biochemistry & Molecular Biology
Asmita Gupta, Rakesh K. Upadhyay, Rakhi Prabhakar, Neerja Tiwari, Rashmi Garg, Vidhu A. Sane, Aniruddha P. Sane
Summary: SlDREB3 is an important gene involved in the regulation of ripening and ABA responses in tomato. It acts as a negative regulator by modulating ABA levels and signaling. SlDREB3 affects various aspects of ripening, including seed germination, fruit size, and expression of ripening pathway genes. This research provides insights into the regulatory mechanisms of tomato ripening and the role of ABA.
Article
Plant Sciences
Gerardo Nunez-Lillo, Lissette Ulloa-Zepeda, Catalina Pavez, Anibal Riveros, Francisca Blanco-Herrera, Reinaldo Campos-Vargas, Romina Pedreschi, Claudio Meneses
Summary: Research shows that the NAC072 gene plays a regulatory role in auxin-related genes and terpene biosynthesis genes in fruit development, while the defect in slow-ripening fruit may be caused by the absence of this gene.
Article
Plant Sciences
Qianyu Yue, Xinyue Yang, Pengda Cheng, Jieqiang He, Wenyun Shen, Yixuan Li, Fengwang Ma, Chundong Niu, Qingmei Guan
Summary: MdKING1, a subunit of SnRKs, promotes fruit ripening through ethylene pathway.