Article
Biochemistry & Molecular Biology
Junjun Huang, Ying Wang, Wenwen Liu, Xiaoyu Li, Rongzhi Han, Weihong Liang, Huahua Wang
Summary: The study reveals that the alternative pathway (AP) in soybean root tips can alleviate aluminum (Al) toxicity, while inhibition of AP can exacerbate Al-induced programmed cell death (PCD). Nitric oxide (NO) plays a negative role in Al-induced PCD, and the alleviating effect of NO on Al-induced PCD can be blocked by AP inhibition.
Article
Engineering, Environmental
Junjun Huang, Rongzhi Han, Fang Ji, Yuanyuan Yu, Ruoyi Wang, Zhaoxin Hai, Weihong Liang, Huahua Wang
Summary: Aluminum-induced programmed cell death is mainly mediated by G6PDH regulating NADPH oxidase-dependent ROS production, with ABA acting upstream of G6PDH in this process.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Agronomy
Yan Ma, Caihong Bai, Xincheng Zhang, Yanfeng Ding
Summary: Nitrate exacerbates aluminum toxicity and accumulation in wheat seedling roots, with the aluminum-sensitive genotype being more affected.
Article
Plant Sciences
Lin Tao, Xiaoyi Xiao, Qiuyu Huang, Hu Zhu, Yingming Feng, Yalin Li, Xuewen Li, Zhishan Guo, Jiayou Liu, Feihua Wu, Niloufar Pirayesh, Sakil Mahmud, Ren Fang Shen, Sergey Shabala, Frantisek Baluska, Lei Shi, Min Yu
Summary: This study elucidated the mechanism behind the alleviation of aluminum toxicity on root growth by boron supply in Arabidopsis roots. It was found that boron modifies auxin distribution and transport in Al-exposed roots, with increased auxin content in the root apical meristem and transition zones but decreased content in the elongation zone. This distribution pattern is caused by disrupted basipetal auxin transport due to Al-inhibited PIN2 endocytosis.
Article
Agronomy
Jie Jin, Xiaomin Wang, Jianfeng Wang, Keke Li, Shengwang Wang, Wenya Zhang, Guohong Zhang, Yurong Bi
Summary: The study investigated the role of G6PDH in response to nitrogen deficiency in three soybean cultivars. Results showed that JD19 and LH3 were more tolerant to low-N stress compared to LD2. G6PDH is involved in soybean tolerance to low-N stress by affecting nitrogen metabolism and reducing ROS accumulation.
Article
Plant Sciences
Guillaume Nee, Fuzheng Wang, Gilles Chatel-Innocenti, Amna Mhamdi, Eugenie Juranville, Helene Vanacker, Graham Noctor, Emmanuelle Issakidis-Bourguet
Summary: Plants have multiple NADPH-producing enzymes, including G6PDH, which are regulated by thioredoxins (TRX). This study investigates the regulation of G6PDH activity by TRX in the roots of Arabidopsis under salt stress. The results show that TRX m plays a crucial role in redox regulation and is the most efficient regulator of G6PDH activity in Arabidopsis roots under salt stress.
FRONTIERS IN PLANT SCIENCE
(2023)
Article
Biology
Omar Zgheib, Kamonwan Chamchoy, Thierry Nouspikel, Jean-Louis Blouin, Laurent Cimasoni, Lina Quteineh, Usa Boonyuen
Summary: This article reports a patient with chronic hemolysis who has a mutation at position 219 in the G6PD protein. Structural and biochemical experiments show that this mutation significantly reduces catalytic activity, stability, and dimer formation of the mutant enzyme. These findings have implications in the development of small molecule activators for treating related mutations.
COMMUNICATIONS BIOLOGY
(2023)
Article
Plant Sciences
Cheng Li, Kangning Li, Mingming Zheng, Xinyi Liu, Xianlong Ding, Junyi Gai, Shouping Yang
Summary: The Gm6PGDH1 gene enhances plant root system development and antioxidant system, improving tolerance to phosphate starvation.
FRONTIERS IN PLANT SCIENCE
(2021)
Review
Plant Sciences
Francisco J. Corpas, Salvador Gonzalez-Gordo, Jose M. Palma
Summary: Nitric oxide (NO) and hydrogen sulfide (H2S) play key roles in plant cells by regulating protein functions through post-translational modifications, impacting cellular redox status. NADPH is essential for cell growth and development, participating in various biochemical pathways, while NADP-dependent enzymes help generate NADPH by oxidoreductases. These molecules contribute to diverse cellular processes and detoxification, emphasizing the importance of redox balance in plant cells.
JOURNAL OF EXPERIMENTAL BOTANY
(2021)
Article
Plant Sciences
Shengnan Zhu, Qi Guo, Yingbin Xue, Xing Lu, Tao Lai, Cuiyue Liang, Jiang Tian
Summary: Phosphorus (P) is an essential nutrient that is easily fixed in soils, leading to most of the soil P existing in the form of inaccessible organic phosphorus (Po), particularly phytate-P. This study identified a Pi-starvation responsive GmPAP15a in soybean, which plays a vital role in phytate-P utilization and is regulated at both transcriptional and glycosylation modification levels. The results highlight the GmPHR9/GmPHR32-GmPAP15a signaling pathway that controls phytate-P utilization in soybean.
PLANT CELL AND ENVIRONMENT
(2023)
Article
Microbiology
Xiao Li Li, Xue Qiang Zhao, Xiao Ying Dong, Jian Feng Ma, Ren Fang Shen
Summary: Phosphorus deficiency is a major factor limiting plant growth in acid soils, where most P is fixed by toxic aluminum. This study isolated a phosphate-solubilizing bacterium Nguyenibacter sp. Li from the rhizosphere of a plant adapted to acid soils, which solubilized AI-fixed P and reduced AI toxicity to plants by secreting gluconic acid dependent on glucose supply.
FRONTIERS IN MICROBIOLOGY
(2021)
Article
Environmental Sciences
Mengjia Li, Fangyu Zhang, Shaojing Li, Xuexia Wang, Jun Liu, Bin Wang, Yibing Ma, Ningning Song
Summary: Increasing pH values can alleviate W(VI) toxicity on wheat, while the activities of H2PO4- and SO42- can also decrease toxicity. Competition from Cl- and NO3 - does not significantly influence W(VI) toxicity.
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
(2021)
Article
Environmental Sciences
Mengjia Li, Ningning Song, Xin Song, Jun Liu, Baokun Su, Xiaodong Chen, Xiaohong Guo, Meng Li, Quanli Zong
Summary: Excessive arsenic can impact plant growth and human health, with few studies on arsenate toxicity. Higher pH mitigates As(V) toxicity, while H2PO4- and SO4 compete with As(V) for binding sites.
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
(2022)
Article
Plant Sciences
Lea Le Poder, Caroline Mercier, Laureline Fevrier, Nathalie Duong, Pascale David, Sylvain Pluchon, Laurent Nussaume, Thierry Desnos
Summary: Aluminum (Al) is a major limiting factor for crop production on acidic soils, inhibiting root growth and plant development. The SENSITIVE TO PROTON RHIZOTOXICITY1 (STOP1) transcription factor induces AL-ACTIVATED MALATE TRANSPORTER1 (ALMT1) to cope with Aluminum (Al) stress. Research has found that Al can trigger STOP1 signaling at concentrations as low as 2μM and can be detected at pH above 6.0.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Plant Sciences
Tingting Wang, Zhenfeng Zang, Shuai Wang, Yuke Liu, Hezhong Wang, Wei Wang, Xiuli Hu, Jinhua Sun, Fuju Tai, Rui He
Summary: The study demonstrated that IFQA can promote plant seedlings' root growth, positively influence root active absorption and protein expression, and enhance plants' tolerance to osmotic stress.
PLANT PHYSIOLOGY AND BIOCHEMISTRY
(2021)