Article
Agronomy
Chenxia Cheng, Junchen Liu, Xuekun Wang, Ying Wang, Yongbing Yuan, Shaolan Yang
Summary: Through analysis of RNA-Seq data, we identified a potential biomarker for fruit softening - the polygalacturonase gene, and discovered a transcriptional activator PpERF/ABR1 that plays a role in fruit softening. These findings provide a theoretical basis for understanding the molecular mechanisms of fruit softening.
POSTHARVEST BIOLOGY AND TECHNOLOGY
(2022)
Article
Plant Sciences
Qiran Sun, Danrui Zhao, Min Gao, Yue Wu, Longmei Zhai, Shan Sun, Ting Wu, Xinzhong Zhang, Xuefeng Xu, Zhenhai Han, Yi Wang
Summary: Iron (Fe) deficiency has a significant impact on the growth, development, fruit yield, and quality of apples. In this study, the researchers found that the plasma membrane H+-ATPase MxHA2 plays a role in promoting H+ secretion and root acidification in apple rootstocks under Fe deficiency stress. The kinase MxMPK6-2 is also involved in Fe absorption and interacts with MxHA2. The researchers discovered that MxMPK6-2 positively regulates PM H+-ATPase activity in apple roots, enhancing root acidification under Fe deficiency stress. Phosphorylation of MxHA2 by MxMPK6-2 and the phosphorylation of the Fe deficiency-induced transcription factor MxbHLH104 play a role in enhancing MxHA2 upregulation and PM H+-ATPase activity.
Article
Plant Sciences
Yinglin Ji, Mingyang Xu, Zhi Liu, Hui Yuan, Tianxing Lv, Hongjian Li, Yaxiu Xu, Yajing Si, Aide Wang
Summary: Nitric oxide (NO) suppresses ethylene production during apple fruit ripening by inducing MdERF5 nuclear export and inhibiting MdACO1 activity. This results in the suppression of ethylene biosynthesis and fruit ripening.
Review
Immunology
Samantha Nadeau, Gislaine A. Martins
Summary: Blimp1 plays important roles in the immune system, including regulating the differentiation and function of lymphocytes and immune cells. Recent studies have also revealed its important roles in innate immune cells and its association with chronic inflammatory conditions.
FRONTIERS IN IMMUNOLOGY
(2022)
Article
Plant Sciences
Zhi-Wen Qiao, Xing-Long Ji, Hong-Liang Li, Xun Wang, Chun-Ling Zhang, Xiao-Fei Wang, Chun-Xiang You
Summary: The study of the MdARF8 gene in apple reveals its involvement in the regulation of plant growth and development through jasmonate signaling. Ectopic expression in Arabidopsis showed that MdARF8 reduces the sensitivity to MeJA and alleviates leaf senescence and taproot elongation inhibition. MeJA treatment partially recovers the dysplastic phenotype of transgenic Arabidopsis root hair. This study provides valuable insights into the functional characterization of ARF8 and the crosstalk between jasmonate and auxin in apple.
JOURNAL OF PLANT GROWTH REGULATION
(2023)
Article
Biochemistry & Molecular Biology
Christine Swinka, Eva Hellmann, Paul Zwack, Ramya Banda, Aaron M. Rashotte, Alexander Heyl
Summary: A multi-step phosphorelay system is the main pathway for cytokinin signal transduction. In addition to this system, other factors like Cytokinin Response Factors (CRFs) have been found to play a role in this signaling pathway. CRF9, which is mainly expressed in flowers, regulates the transcriptional cytokinin response and is involved in the transition from vegetative to reproductive growth and silique development. It functions as a transcriptional repressor of Arabidopsis Response Regulator 6 (ARR6) and acts as a negative regulator of cytokinin during reproductive development.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Plant Sciences
Hsin-Yu Chi, Shang-Ling Ou, Mao-Chang Wang, Chin-Ying Yang
Summary: The increased frequency of heavy rains has led to submergence stress in rice paddies, severely affecting rice production. This study assesses the physiological responses and regulatory mechanisms of Ethylene-Response AP2/ERF factors in different rice cultivars under submergence conditions with osmotic stress.
Article
Horticulture
Franziska C. Doerflinger, Yosef Al Shoffe, Gilang Sutanto, Jacqueline F. Nock, Christopher B. Watkins
Summary: This study found that early harvest and preharvest 1-MCP treatment contribute to reducing the risk of flesh browning (FB) development during storage of 'Gala' apples, as evidenced by lower FB incidence. Conditioning, postharvest 1-MCP treatment, and selective picking also resulted in reduced FB incidence to a lesser extent. The study highlights the importance of preharvest and postharvest treatments in preventing FB in stored apples.
SCIENTIA HORTICULTURAE
(2024)
Article
Biotechnology & Applied Microbiology
Bei Wu, Fei Shen, Xuan Wang, Wen Yan Zheng, Chen Xiao, Yang Deng, Ting Wang, Zhen Yu Huang, Qian Zhou, Yi Wang, Ting Wu, Xue Feng Xu, Zhen Hai Han, Xin Zhong Zhang
Summary: This study aimed to identify gene markers based on QTLs and develop GAP models for predicting flesh firmness and crispness retainability in apples. The study found that genetic variations in genes like MdERF3 and MdERF118 can affect fruit texture attributes.
PLANT BIOTECHNOLOGY JOURNAL
(2021)
Article
Plant Sciences
Donghyuk Oh, Chae Woo Lim, Sung Chul Lee
Summary: In this study, the researchers identified a GRAS transcription factor, CaGRAS1, in pepper plants that is induced by ABA, dehydration, and salt stress. They found that overexpression of CaGRAS1 in Arabidopsis resulted in ABA-sensitive and drought-resistant phenotypes, while silencing CaGRAS1 in pepper plants led to a drought-sensitive phenotype. Additionally, they observed that the expression of stress-responsive genes was significantly altered in CaGRAS1-overexpressing and CaGRAS1-silenced plants under drought stress conditions.
ENVIRONMENTAL AND EXPERIMENTAL BOTANY
(2022)
Article
Plant Sciences
Ranran Xu, Yubei Wang, Limin Wang, Zhilei Zhao, Jiankang Cao, Daqi Fu, Weibo Jiang
Summary: Flesh-reddening occurs in amber-fleshed plum during cold storage, and this study investigated the underlying mechanism of this postharvest alteration. Results showed that anthocyanins accumulated and ethylene was produced during cold storage, with stimulated expression of genes associated with anthocyanin biosynthesis. Suppression of ethylene significantly reduced flesh-reddening and downregulated gene expression. PsMYB10.1 was identified as a positive regulator of anthocyanin accumulation, and PsERF1B was found to directly interact with PsMYB10.1. PsERF1B and PsMYB10.1 enhanced the activity of the promoter of PsUFGT individually and cooperatively. Overall, the PsERF1B-PsMYB10.1-PsbHLH3 module played a role in regulating anthocyanin biosynthesis during cold storage in 'Friar' plums.
HORTICULTURE RESEARCH
(2023)
Article
Plant Sciences
Yuuma Ishikawa, Cedric Cassan, Aikeranmu Kadeer, Koki Yuasa, Nozomu Sato, Kintake Sonoike, Yasuko Kaneko, Atsuko Miyagi, Hiroko Takahashi, Toshiki Ishikawa, Masatoshi Yamaguchi, Yoshitaka Nishiyama, Yukako Hihara, Yves Gibon, Maki Kawai-Yamada
Summary: The NAD kinase gene slr0400 in the cyanobacterium Synechocystis functions as a growth repressor under light-activated heterotrophic growth conditions by modulating glycolysis and the TCA cycle. Photosynthetic dysfunction observed in the slr0400-deficient mutant under high-light conditions is associated with malfunctions in the Photosystem II photosynthetic machinery.
PLANT AND CELL PHYSIOLOGY
(2021)
Article
Biochemistry & Molecular Biology
Xuan Lan Thi Hoang, Nguyen Nguyen Chuong, Tran Thi Khanh Hoa, Hieu Doan, Pham Hoang Phuong Van, Le Dang Minh Trang, Pham Ngoc Thai Huyen, Dung Tien Le, Lam-Son Phan Tran, Nguyen Phuong Thao
Summary: Plants have developed defense mechanisms at morphological, biochemical, and molecular levels to adapt to abiotic stress conditions. Overexpression of GmNAC085 in soybean plants has been shown to improve germination rates and enhance defense against salinity-induced oxidative stress. The transgenic plants also exhibited higher activities of antioxidant enzymes and increased transcript levels of stress-responsive genes, suggesting a role for GmNAC085 as a positive regulator in plant adaptation to drought and salinity conditions.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2021)
Review
Cell Biology
Shan Li, Pan Wu, Xiaofen Yu, Jinping Cao, Xia Chen, Lei Gao, Kunsong Chen, Donald Grierson
Summary: This review summarizes the role of ERFs in regulating fruit ripening and responses to pathogen infection, and the in-depth understanding of this research may identify novel approaches for improving fruit quality and pathogen resistance through transcriptional regulation.
Article
Plant Sciences
Qiran Sun, Longmei Zhai, Danrui Zhao, Min Gao, Yue Wu, Ting Wu, Xinzhong Zhang, Xuefeng Xu, Zhenhai Han, Yi Wang
Summary: The kinase MxMPK4-1 and IQ-motif containing protein MxIQM3 form a complex that enhances PM H+-ATPase activity to improve plant's response to iron deficiency stress.