دورية أكاديمية
أعرض في EDS

Lipid metabolism and antioxidant system contribute to salinity tolerance in halophytic grass seashore paspalum in a tissue-specific manner.

التفاصيل البيبلوغرافية
العنوان: Lipid metabolism and antioxidant system contribute to salinity tolerance in halophytic grass seashore paspalum in a tissue-specific manner.
المؤلفون: Pan L; Key Laboratory of Genetics and Germplasm Innovation of Tropical Special Forest Trees and Ornamental Plants, Ministry of Education, College of Forestry, Hainan University, 58 Renmin Avenue, , Haikou, 570228, Hainan, China.; College of Animal Science and Technology, Yangzhou University, 88 South Daxue Road, Yangzhou, 225009, Jiangsu, China., Hu X; Key Laboratory of Genetics and Germplasm Innovation of Tropical Special Forest Trees and Ornamental Plants, Ministry of Education, College of Forestry, Hainan University, 58 Renmin Avenue, , Haikou, 570228, Hainan, China.; College of Tropical Crops, Hainan University, 58 Renmin Avenue, Haikou, 570228, Hainan, China., Liao L; Key Laboratory of Genetics and Germplasm Innovation of Tropical Special Forest Trees and Ornamental Plants, Ministry of Education, College of Forestry, Hainan University, 58 Renmin Avenue, , Haikou, 570228, Hainan, China.; College of Tropical Crops, Hainan University, 58 Renmin Avenue, Haikou, 570228, Hainan, China., Xu T; Key Laboratory of Genetics and Germplasm Innovation of Tropical Special Forest Trees and Ornamental Plants, Ministry of Education, College of Forestry, Hainan University, 58 Renmin Avenue, , Haikou, 570228, Hainan, China., Sun Q; Key Laboratory of Genetics and Germplasm Innovation of Tropical Special Forest Trees and Ornamental Plants, Ministry of Education, College of Forestry, Hainan University, 58 Renmin Avenue, , Haikou, 570228, Hainan, China.; College of Tropical Crops, Hainan University, 58 Renmin Avenue, Haikou, 570228, Hainan, China., Tang M; Key Laboratory of Genetics and Germplasm Innovation of Tropical Special Forest Trees and Ornamental Plants, Ministry of Education, College of Forestry, Hainan University, 58 Renmin Avenue, , Haikou, 570228, Hainan, China., Chen Z; Department of Crop and Soil Sciences, University of Georgia, 1109 Experiment Street, Georgia Station, Griffin, GA, 30223, USA., Wang Z; Key Laboratory of Genetics and Germplasm Innovation of Tropical Special Forest Trees and Ornamental Plants, Ministry of Education, College of Forestry, Hainan University, 58 Renmin Avenue, , Haikou, 570228, Hainan, China. wangzhiyong@hainanu.edu.cn.
المصدر: BMC plant biology [BMC Plant Biol] 2023 Jun 24; Vol. 23 (1), pp. 337. Date of Electronic Publication: 2023 Jun 24.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: BioMed Central Country of Publication: England NLM ID: 100967807 Publication Model: Electronic Cited Medium: Internet ISSN: 1471-2229 (Electronic) Linking ISSN: 14712229 NLM ISO Abbreviation: BMC Plant Biol Subsets: MEDLINE
أسماء مطبوعة: Original Publication: London : BioMed Central, [2001-
مواضيع طبية MeSH: Paspalum*/genetics, Salt Tolerance/genetics ; Salt-Tolerant Plants/genetics ; Salt-Tolerant Plants/metabolism ; Antioxidants/metabolism ; Lipid Metabolism ; Hydrogen Peroxide/metabolism ; Plant Breeding ; Amino Acids/metabolism ; Salinity
مستخلص: Soil salinization is a growing issue that limits agriculture globally. Understanding the mechanism underlying salt tolerance in halophytic grasses can provide new insights into engineering plant salinity tolerance in glycophytic plants. Seashore paspalum (Paspalum vaginatum Sw.) is a halophytic turfgrass and genomic model system for salt tolerance research in cereals and other grasses. However, the salt tolerance mechanism of this grass largely unknown. To explore the correlation between Na + accumulation and salt tolerance in different tissues, we utilized two P. vaginatum accessions that exhibit contrasting tolerance to salinity. To accomplish this, we employed various analytical techniques including ICP-MS-based ion analysis, lipidomic profiling analysis, enzyme assays, and integrated transcriptomic and metabolomic analysis. Under high salinity, salt-tolerant P. vaginatum plants exhibited better growth and Na + uptake compared to salt-sensitive plants. Salt-tolerant plants accumulated heightened Na + accumulation in their roots, leading to increased production of root-sourced H 2 O 2 , which in turn activated the antioxidant systems. In salt-tolerant plants, metabolome profiling revealed tissue-specific metabolic changes, with increased amino acids, phenolic acids, and polyols in roots, and increased amino acids, flavonoids, and alkaloids in leaves. High salinity induced lipidome adaptation in roots, enhancing lipid metabolism in salt-tolerant plants. Moreover, through integrated analysis, the importance of amino acid metabolism in conferring salt tolerance was highlighted. This study significantly enhances our current understanding of salt-tolerant mechanisms in halophyte grass, thereby offering valuable insights for breeding and genetically engineering salt tolerance in glycophytic plants.
(© 2023. The Author(s).)
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معلومات مُعتمدة: 322QN248 Hainan Provincial Natural Science Foundation of China; 32060409 National Natural Science Foundation of China
فهرسة مساهمة: Keywords: Amino acid metabolism; Antioxidant system; Lipid metabolism; Salt Tolerance; Seashore Paspalum
المشرفين على المادة: 0 (Antioxidants)
BBX060AN9V (Hydrogen Peroxide)
0 (Amino Acids)
تواريخ الأحداث: Date Created: 20230623 Date Completed: 20230626 Latest Revision: 20230701
رمز التحديث: 20240628
مُعرف محوري في PubMed: PMC10290340
DOI: 10.1186/s12870-023-04358-w
PMID: 37353755
قاعدة البيانات: MEDLINE
الوصف
تدمد:1471-2229
DOI:10.1186/s12870-023-04358-w