ArticleScientific reports2020
Expression regulation of MALATE SYNTHASE involved in glyoxylate cycle during protocorm development in Phalaenopsis aphrodite (Orchidaceae).
Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed.
- Oil body membrane proteins as sensors of salt stress in sunflower seedlings: a proteomic insight.Plant signaling & behavior · 2025Article
- Malate metabolism in horticultural crops: mechanistic insights and agricultural practices for quality improvement.Molecular horticulture · 2025Review
- Exogenous Sucrose Improves the Vigor of Aged Safflower Seeds by Mediating Fatty Acid Metabolism and Glycometabolism.Plants (Basel, Switzerland) · 2025Article
- Evaluation of protein's interaction and the regulatory network of some drought-responsive genes in Canola under drought and re-watering conditions.Physiology and molecular biology of plants : an international journal of functional plant biology · 2023Article
- Sugar Starvation Disrupts Lipid Breakdown by Inducing Autophagy in Embryonic Axes of Lupin (International journal of molecular sciences · 2023Article
- Unraveling the malate biosynthesis during development ofCurrent research in food science · 2022Article
- Hydro-Electro Hybrid Priming Promotes Carrot (International journal of molecular sciences · 2021Article
- Transcriptomic Analysis of Genes Involved in Plant Defense Response to the Cucumber Green Mottle Mosaic Virus Infection.Life (Basel, Switzerland) · 2021Article
- Quantitative Proteomics and Relative Enzymatic Activities Reveal Different Mechanisms in Two Peanut Cultivars (Frontiers in plant science · 2021Article
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10 authors.
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Abstract
Orchid (Orchidaceae) is one of the largest families in angiosperms and presents exceptional diversity in lifestyle. Their unique reproductive characteristics of orchid are attracted by scientist for centuries. One of the synapomorphies of orchid plants is that their seeds do not contain endosperm. Lipids are used as major energy storage in orchid seeds. However, regulation and mobilization of lipid usage during early seedling (protocorm) stage of orchid is not understood. In this study, we compared transcriptomes from developing Phalaenopsis aphrodite protocorms grown on 1/2-strength MS medium with sucrose. The expression of P. aphrodite MALATE SYNTHASE (PaMLS), involved in the glyoxylate cycle, was significantly decreased from 4 days after incubation (DAI) to 7 DAI. On real-time RT-PCR, both P. aphrodite ISOCITRATE LYASE (PaICL) and PaMLS were down-regulated during protocorm development and suppressed by sucrose treatment. In addition, several genes encoding transcription factors regulating PaMLS expression were identified. A gene encoding homeobox transcription factor (named PaHB5) was involved in positive regulation of PaMLS. This study showed that sucrose regulates the glyoxylate cycle during orchid protocorm development in asymbiotic germination and provides new insights into the transcription factors involved in the regulation of malate synthase expression.
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