Article
Biochemistry & Molecular Biology
Jianyu Yang, Pengju Wang, Suzhi Li, Tao Liu, Xiaohui Hu
Summary: Exogenous spermidine can enhance tomato's tolerance to saline-alkaline stress by regulating the antioxidant system and H2O2 levels.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2022)
Article
Plant Sciences
Zijian Xu, Jiachun Wang, Wentian Zhen, Tao Sun, Xiaohui Hu
Summary: This study investigated the mechanisms of ABA accumulation and resistance improvement in tomato seedlings under saline-alkaline stress. Results showed that ABA synthesis and signal transduction were induced by saline-alkaline stress. Exogenous ABA treatment alleviated the negative effects of saline-alkaline stress on tomato seedlings by promoting accumulation of proline and soluble sugars, reducing ROS content, and improving the antioxidant enzyme system.
PLANT PHYSIOLOGY AND BIOCHEMISTRY
(2022)
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
Horticulture
Yan Wang, Yifeng Feng, Min Yan, Ju Yu, Xiaofeng Zhou, Jingkai Bao, Qiaoqiao Zhang, Cuiyun Wu
Summary: This study investigates the effects of different concentrations of saline-alkali stress on sugar and reactive oxygen metabolism in jujube fruit. The results show that under low stress, the contents of sucrose, glucose, and fructose in the fruit increase with increasing stress concentration, along with the activities of related enzymes. However, under high concentrations of stress, the results are reversed. The activity of antioxidant enzymes is consistent with sugar accumulation under saline-alkali stress.
Article
Environmental Sciences
Huanhuan Su, Dongmei Ma, Jiajia Fan, Zaixuan Zhong, Yaya Li, Huaping Zhu
Summary: Saline-alkalinity is an important ecological parameter that affects the physiological metabolism, osmoregulation, survival, growth, development, and distribution of teleost fish. The gills of Oreochromis mossambicus show significant metabolic responses and changes in amino acid and carbohydrate metabolism, levels of amino acids, osmolytes, and energy substances under different osmotic stresses. This study provides comprehensive data on the osmotic pressure regulation mechanism and biological response of euryhaline teleost, and supports the development and utilization of saline-alkalinity water resources.
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
(2023)
Article
Plant Sciences
Panaiotis M. Stassinos, Massimiliano Rossi, Ilaria Borromeo, Concetta Capo, Simone Beninati, Cinzia Forni
Summary: Seed priming with spermidine was found to significantly improve plant tolerance to salt stress by enhancing photosynthetic pigments, proline accumulation, and antioxidant responses, regardless of genotype. This approach may offer new perspectives for enhancing crop productivity in saline soils.
Article
Plant Sciences
Ying Rao, Ting Peng, Shaowu Xue
Summary: Saline-alkaline soil adversely affects crop yield, and human activities and climate change pose a threat to arable land. Breeding saline-alkaline tolerant crops is crucial for ensuring food security on limited arable land. While plant salt-tolerance mechanisms have been studied for decades, the molecular mechanisms underlying plant responses to saline-alkaline stress remain largely unknown.
JOURNAL OF PLANT PHYSIOLOGY
(2023)
Article
Environmental Sciences
Senlin Yang, Jian Zhang, Lianghua Chen
Summary: Pennisetum sp. shows varying growth and physiological responses to different concentrations of Cd and different soil types. Higher Cd concentrations inhibit growth, decrease physiological and biochemical indices, disrupt antioxidative enzyme activity, and limit the production of soluble sugars and proteins.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Article
Fisheries
Hanying Xu, Teng Liu, Wenping Feng, Jiale He, Tao Han, Jiteng Wang, Chunlin Wang
Summary: This study investigated the effects of dietary phosphatidylcholine/soybean lecithin (PC/SL) levels on the survival, growth, body composition, antioxidant capacity, and osmoregulation ability of early juvenile mud crab Scylla paramamosain. The results showed that the appropriate levels of PC and SL had positive effects on the performance and physiological indices of the crabs.
Article
Plant Sciences
Abdul Raziq, Atta Mohi Ud Din, Sumera Anwar, Yu Wang, Mohammad Shah Jahan, Mingming He, Chen Guang Ling, Jin Sun, Sheng Shu, Shirong Guo
Summary: The exogenous application of spermidine (Spd) effectively mitigated the adverse effects of salt stress on tomato seedlings by enhancing antioxidative activity, detoxification, ion homeostasis, and photosynthetic performance. Spd application also modulated endogenous polyamines and improved stress tolerance mechanisms, suggesting a potential strategy to enhance plant resilience to abiotic stress.
PLANT PHYSIOLOGY AND BIOCHEMISTRY
(2022)
Article
Agricultural Engineering
Wenzheng Chen, Jiateng Liu, Guangyu Chu, Qianzhi Wang, Yuqiao Zhang, Chang Gao, Mengchun Gao
Summary: The nitrogen removal performance, nitrogen metabolism enzyme activities, and antioxidant response of four species of Chlorella (Chlorella sp., Chlorella vulgaris, Chlorella sorokiniana, and Chlorella protothecoides) were compared under different light: dark (L:D) photoperiods during treating maricultural wastewater. Increasing the light duration from 8L:16D to 16L:8D was found to be beneficial for chlorophyll synthesis in all species. Chlorella vulgaris showed the highest effectiveness in treating maricultural wastewater, with higher microalgae density, photosynthetic activity, and nitrogen metabolism enzyme activity compared to the other species. Under a 20L:4D photoperiod, obvious oxidative stress was observed in microalgal cells, resulting in decreased photosynthetic activity and nitrogen metabolizing enzyme activity. Among the four species, Chlorella protothecoides exhibited the highest degree of light-induced stress and ROS accumulation. This study provides insights into suitable microalgae and optimal photoperiod for treating maricultural wastewater.
BIORESOURCE TECHNOLOGY
(2023)
Article
Biology
Tie Wang, Lijun Deng, Shengjia Huang, Bo Xiong, Ihtisham Muhammad, Zhendong Zheng, Wei Zheng, Zeyu Qin, Mingfei Zhang, Guochao Sun, Jun Wang, Zhihui Wang
Summary: This study investigated the grafting compatibility of five interstock combinations in citrus growing. The results showed that grafting compatibility in the early stages of grafting was related to the genetic relationship. Leaf chlorophyll content and soluble sugar could be used as indicators to assess compatibility in the late stage. The interstock could influence both the rootstock and the scion. These findings provide a foundation for further research on the rootstock-scion interaction mechanism.
Article
Biology
Yunhui Zhou, Yajie Liu, Yudan Wang, Chunxue Yang
Summary: This study investigated the effects of arbuscular mycorrhizal (AM) fungi on the growth and saline-alkaline tolerance of Potentilla anserina L. The results showed that inoculation with AM fungus increased chlorophyll content, decreased malondialdehyde content, and increased activities of antioxidant enzymes. AM fungus also regulated osmoregulation substances content and water status, leading to the maintenance of normal plant growth under salt-alkali stress.
Article
Plant Sciences
Manlin Xu, Qiqi Sun, Qiangbo Liu, Guo He, Congpeng Wang, Kang He
Summary: Biochar has positive effects on soil fertility and plant growth, especially in saline alkali soil. The combination of biochar and fertilizer enhances soil fertility and reduces fertilizer leaching into deeper layers. Additionally, biochar application improves soil properties and enhances plant stress resistance.
Article
Agronomy
Ling Dong, Lijie Li, Yao Meng, Hongliang Liu, Jing Li, Yang Yu, Chunrong Qian, Shi Wei, Wanrong Gu
Summary: This study explored the nitrogen metabolism and transcriptome mechanism of spermidine (Spd) under drought stress conditions. The results showed that Spd can enhance the activities of ammonia assimilating enzymes and transaminase, effectively alleviate the ammonia toxicity and disorder of nitrogen metabolism induced by drought stress. Moreover, Spd can promote root growth, improve water and nutrient absorption, increase chlorophyll content and photosynthetic rate, and ultimately enhance maize yield.