Zhang, Qingwei; Tang, Shaohu; Li, Jianqiu; Fan, Chunfen; Xing, Libo; Luo, Keming published the artcile< Integrative transcriptomic and metabolomic analyses provide insight into the long-term submergence response mechanisms of young Salix variegata stems>, Formula: C6H10O8, the main research area is Salix variegata stem submergence integrative transcriptomics metabolomics; Oxidative stress; Phytohormones; S. variegate; Stress signaling; Submergence tolerance.
Salix variegata Franch. is a riparian shrub species that can tolerate long-term complete submergence; however, the mol. mechanisms underlying this trait remain to be elucidated. In this study, we subjected S. variegata plants to complete submergence for 60 d and collected stems to perform transcriptomic and metabolomic analyses, as well as quant. reverse transcription-polymerase chain reaction (qRT-PCR) assays. Results revealed that photosynthesis and the response to light stimulus were inhibited during submergence and recovered after desubmergence. Ethylene and abscisic acid (ABA) signaling could be important for the long-term submergence tolerance of S. variegata. Jasmonic acid (JA) signaling also participated in the response to submergence. Raffinose family oligosaccharides, highly unsaturated fatty acids, and specific stress-related amino acids accumulated in response to submergence, indicating that they may protect plants from submergence damage, as they do in response to other abiotic stressors. Several organic acids were produced in S. variegata plants after submergence, which may facilitate coping with the toxicity induced by submergence. After long-term submergence, cell wall reorganization and phenylpropanoid metabolic processes (the synthesis of specific phenolics and flavonoids) were activated, which may contribute to long-term S. variegata submergence tolerance; however, the detailed mechanisms require further investigation. Several transcription factors (TFs), such as MYB, continuously responded to submergence, indicating that they may play important roles in the responses and adaptation to submergence. Genes related to oxidative stress tolerance were specifically expressed after desubmergence, potentially contributing to recovery of S. variegata plants within a short period of time.
Planta published new progress about Abscisic acid receptor PYL1 Role: BSU (Biological Study, Unclassified), BIOL (Biological Study). 87-73-0 belongs to class alcohols-buliding-blocks, and the molecular formula is C6H10O8, Formula: C6H10O8.
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