Article
Horticulture
Guangwu Zhu, Chongtian Ma, Shuimiao Yu, Xueying Zhang, Jing Jiang, Xin Liu
Summary: Multiple genes related to leaf shape were discovered in the process of leaf development in tomato plants. Transcriptome sequencing and gene silencing experiments revealed that bHLH079, IAA-amino acid hydrolase, Gibberellin2ox7, Gibberellin20ox, WRKY44, and WRKY76 are endogenous regulators influencing tomato compound leaf development. This study provides a promising direction for revealing the molecular regulation mechanism underlying compound leaf development in tomatoes.
Review
Biochemistry & Molecular Biology
Jie Cao, Hairong Liu, Shuya Tan, Zhonghai Li
Summary: This review summarizes the regulatory roles of NAC and WRKY families in leaf senescence in Arabidopsis and various crops, and discusses the functions of other families such as ERF, bHLH, bZIP, and MYB. Understanding the molecular mechanisms of leaf senescence regulated by transcription factors has the potential to enhance crop yield and quality through molecular breeding.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Plant Sciences
Shuwei Dong, Wenhui Pang, Zhe Liu, He Li, Kangning Zhang, Lili Cong, Guofeng Yang, Zeng-Yu Wang, Hongli Xie
Summary: The leaf is an essential organ for photosynthesis in plants, and premature leaf senescence caused by environmental stress can result in significant yield loss. In this study, we used high-throughput sequencing to study transcriptional changes in Medicago truncatula, a model plant for forage crops, under alkaline stress. We identified differentially expressed genes that are involved in nutrient cycling processes and oxidoreductase complex, aerobic respiration, and ion transport. Additionally, transcription factor families such as MYB, WRKY, bHLH, and NAC were identified. These findings contribute to the understanding of the molecular regulatory mechanisms of leaf senescence under alkaline stress and provide new candidate genes for breeding high-quality forage crops.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Plant Sciences
Guohui Yu, Zheni Xie, Jing Zhang, Shanshan Lei, Wenjing Lin, Bin Xu, Bingru Huang
Summary: In this study, it was found that the NOL gene in perennial grass species not only participates in chlorophyll degradation, but also achieves the functional stay-green phenotype by modulating pathways such as chlorophyll catabolism, photosynthesis, and photorespiration.
Article
Plant Sciences
Selin Buelbuel, Yasuhito Sakuraba, Mastoureh Sedaghatmehr, Mutsumi Watanabe, Rainer Hoefgen, Salma Balazadeh, Bernd Mueller-Roeber
Summary: BBX14 is a negative regulator of nitrogen starvation-induced leaf senescence and is directly regulated by PIF4 and MYB44. It directly regulates the transcription of EIN3, which is involved in nitrogen signaling and leaf senescence.
Article
Plant Sciences
Zhonghong Ma, Liping Wang, Jingye Fu, Qiang Wang
Summary: Plant leaf senescence is a complex process regulated by various endogenous and environmental factors. Understanding the regulatory mechanisms is crucial for plant growth, stress response, and crop production. In this study, the transcription factor OsDERF8 was identified as a positive regulator of leaf senescence in rice. Overexpression of OsDERF8 resulted in accelerated senescence and reduced grain yield, while knockout lines exhibited a stay-green phenotype with increased yield. Further experiments confirmed the involvement of OsDERF8 in dark-induced senescence and jasmonate signaling. Transcriptomic analysis and promoter-luciferase assays revealed that OsDERF8 regulates genes related to senescence, plant hormones, and photosynthesis. These findings suggest that OsDERF8 can be targeted for molecular breeding to improve grain yield.
ENVIRONMENTAL AND EXPERIMENTAL BOTANY
(2023)
Article
Biochemistry & Molecular Biology
Li Wang, Qiguang Wang, Ningning Fu, Minyan Song, Xiao Han, Qi Yang, Yuting Zhang, Zaikang Tong, Junhong Zhang
Summary: This study aimed to understand the mechanism of anthocyanin synthesis in ornamental plants. By evaluating the metabolic data and gene expression of the red-leaved Chinese specialty tree Phoebe bournei at different developmental stages, characteristic metabolites and genes related to the color formation mechanism were identified. These findings provide a foundation for cultivating P. bournei varieties with high ornamental value.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Plant Sciences
Yanchong Yu, Yanan Qi, Jinpeng Xu, Xuehuan Dai, Jiacai Chen, Chun-Hai Dong, Fengning Xiang
Summary: The study has demonstrated that WRKY71 acts as a positive regulator of leaf senescence in Arabidopsis, directly regulating senescence-associated genes and mediating multiple signals to accelerate leaf senescence. Additionally, WRKY71 was found to mediate ethylene signaling and synthesis, providing new insights into the molecular mechanisms of leaf senescence regulation.
Article
Biochemistry & Molecular Biology
Doudou Yang, Fangjun Li, Fei Yi, A. Egrinya Eneji, Xiaoli Tian, Zhaohu Li
Summary: The study analyzed gene expression changes in cotton roots under low potassium conditions, revealing the impact of potassium deficiency on root growth and uptake. Differential gene expression between scion and rootstock may play a key role in regulating potassium uptake and root growth.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2021)
Article
Plant Sciences
Shuwei Dong, Lijun Sang, Hongli Xie, Maofeng Chai, Zeng-Yu Wang
Summary: This study investigated the impact of salt stress on leaf senescence in Medicago truncatula, identifying numerous senescence-associated genes (SAGs) at different time points and linking them to processes such as protein metabolism, photosynthesis, chlorophyll metabolism, and hormone signaling. Additionally, various transcription factor families, including NAC, bHLH, MYB, and ERF, were found to be associated with salt stress-induced leaf senescence, providing new insights for further genetic research and breeding in forage crops.
FRONTIERS IN PLANT SCIENCE
(2021)
Article
Multidisciplinary Sciences
Ayesha Latif, Saira Azam, Naila Shahid, Muhammad R. Javed, Zeshan Haider, Aneela Yasmeen, Sahar Sadaqat, Mohsin Shad, Tayyab Husnain, Abdul Q. Rao
Summary: The overexpression of AGL42 gene in transgenic cotton plants delays premature leaf senescence, increases photosynthetic rate and chlorophyll content, and suppresses the expression of senescence-related genes, leading to higher cotton yield.
SCIENTIFIC REPORTS
(2022)
Article
Biochemistry & Molecular Biology
Kai Yang, Hongchun Sun, Mengxing Liu, Lingxiao Zhu, Ke Zhang, Yongjiang Zhang, Anchang Li, Haina Zhang, Jijie Zhu, Xiaoqing Liu, Zhiying Bai, Liantao Liu, Cundong Li
Summary: This study demonstrates that melatonin can delay drought-induced leaf senescence in cotton seedlings by enhancing the antioxidant enzyme system, improving photosynthetic efficiency, reducing chlorophyll degradation and ROS accumulation, and inhibiting ABA synthesis.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Agronomy
Shi-da Xu, Fang Zheng, Xing-min Geng, Zhi-li Jiang, Ling-feng Mao, Jia-le Su
Summary: It is important to clarify the senescence mechanism of cut rhododendron flowers to prolong their vase life. Transcriptome sequencing was used to investigate flower senescence in Rhododendron 'Hong Shanhu.' The results indicated that the senescence of cut rhododendron flowers may be related to water stress rather than ethylene.
POSTHARVEST BIOLOGY AND TECHNOLOGY
(2023)
Article
Genetics & Heredity
Yunxiao Wei, Kaili Li, Zhili Chong, Muhammad Aamir Khan, Chengzhen Liang, Zhigang Meng, Yuan Wang, Sandui Guo, Quanjia Chen, Rui Zhang
Summary: Chloroplasts in eukaryotic photosynthetic organisms play a vital role in both photosynthesis and signal transduction mechanisms. This study utilized a cotton leaf variegated mutant (VAR) induced by EMS to investigate the regulation of chloroplast development. The VAR phenotype showed smaller vascular bundles and differences in chloroplast ultrastructure compared to wild type (WT). Transcriptome analysis revealed enrichment in the photosynthesis pathway and various ion transmembrane transport and binding terms. Additionally, altered expression of GhFTSH5 and disruptions in chloroplast structure were observed in VAR. This study lays the foundation for further exploring the molecular mechanisms of cotton variegated phenotypes.
Article
Plant Sciences
Xinzhuan Yao, Hufang Chen, Antao Ai, Fen Wang, Shanshan Lian, Hu Tang, Yihe Jiang, Yujie Jiao, Yumei He, Tong Li, Litang Lu
Summary: In this study, a novel transcription factor CsS40 was found to negatively regulate caffeine biosynthesis and repress caffeine accumulation in tea plants. This finding provides new insights into the regulation of caffeine biosynthesis and its connection to leaf senescence and hormone signaling in tea plants.
HORTICULTURE RESEARCH
(2023)
Article
Genetics & Heredity
Maojun Wang, Lili Tu, Min Lin, Zhongxu Lin, Pengcheng Wang, Qingyong Yang, Zhengxiu Ye, Chao Shen, Jianying Li, Lin Zhang, Xiaolin Zhou, Xinhui Nie, Zhonghua Li, Kai Guo, Yizan Ma, Cong Huang, Shuangxia Jin, Longfu Zhu, Xiyan Yang, Ling Min, Daojun Yuan, Qinghua Zhang, Keith Lindsey, Xianlong Zhang
Article
Multidisciplinary Sciences
Min Lin, Deyong Lai, Chaoyou Pang, Shuli Fan, Meizhen Song, Shuxun Yu
Article
Microbiology
Min Lin, Hui Xiong, Xuechuan Xiang, Zelin Zhou, Lifeng Liang, Zhinan Mei
FRONTIERS IN MICROBIOLOGY
(2020)
Article
Plant Sciences
Min Lin, Zhuqing Zhou, Zhinan Mei
Summary: This study investigated the regulatory mechanism of flavonoid accumulation and identified related candidate genes in Entada phaseoloides stem using metabolome and transcriptome analysis. The results showed differences in metabolite composition and gene expression among stems at different developmental stages. Haupt subclasses of flavonoids detected included flavones, flavonols, anthocyanins, isoflavones, and flavanones. The expression pattern of genes involved in flavonoid biosynthesis indicated that flavonol, anthocyanin, and proanthocyanin biosynthesis were active earlier than flavone biosynthesis in the development of E. phaseoloides stem. Correlation analysis of transcriptome and metabolome data identified potential candidate genes related to regulating flavonoid synthesis and transport.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Biochemistry & Molecular Biology
Min Lin, Jian-Bo Jian, Zhu-Qing Zhou, Chun-Hai Chen, Wen Wang, Hui Xiong, Zhi-Nan Mei
Summary: This study presents a chromosome-scale genome assembly for Entada phaseoloides, providing insights into gene expression patterns, metabolite profiling, and the evolution of certain gene families involved in the biosynthesis of secondary metabolites. The research offers new information for the study of evolution in the genus Entada and the conservation biology of E. phaseoloides, as well as laying a foundation for the utilization of secondary metabolites in medicinal plants.
MOLECULAR ECOLOGY RESOURCES
(2022)
Article
Agronomy
Jiaqi You, Min Lin, Zhenping Liu, Liuling Pei, Yuexuan Long, Lili Tu, Xianlong Zhang, Maojun Wang
Summary: This study characterizes the regulatory divergence of the transcriptional network in cotton after polyploidization. Conservation of promoter sites and transcription factor binding sites (TFBS) is associated with coordinated gene expression. Genomic variations in TFBS contribute to the formation of novel regulatory networks in tetraploid cotton. The turnover of TFBS is linked to expression pattern divergence of genes involved in fiber development.
Article
Plant Sciences
Maojun Wang, Pengcheng Wang, Min Lin, Zhengxiu Ye, Guoliang Li, Lili Tu, Chao Shen, Jianying Li, Qingyong Yang, Xianlong Zhang