ArticleFrontiers in plant science2016
Transcriptional Regulation of Tetrapyrrole Biosynthetic Genes Explains Abscisic Acid-Induced Heme Accumulation in the Unicellular Red Alga Cyanidioschyzon merolae.
Article in Frontiers in plant science, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 7 citations in OpenAlex.
- Transcriptome Analysis Revealed Hub Genes Related to Tipburn Resistance in Chinese Cabbage (Plants (Basel, Switzerland) · 2025Article
- Light regulates chlorophyll biosynthesis via ELIP1 during the storage of Chinese cabbage.Scientific reports · 2022Article
- The Role of Tetrapyrrole- and GUN1-Dependent Signaling on Chloroplast Biogenesis.Plants (Basel, Switzerland) · 2021Review
- Proteomic analysis of haem-binding protein fromPhilosophical transactions of the Royal Society of London. Series B, Biological sciences · 2020Article
- Abscisic acid induced a negative geotropic response in dark-incubated Chlamydomonas reinhardtii.Scientific reports · 2019Article
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2 authors at 2 institutions in 1 country.
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Abstract
Abscisic acid (ABA), a pivotal phytohormone that is synthesized in response to abiotic stresses and other environmental changes, induces various physiological responses. Heme, in its unbound form, has a positive signaling role in cell-cycle initiation in Cyanidioschyzon merolae. ABA induces heme accumulation, but also prevents cell-cycle initiation through the titration of the unbound heme by inducing the heme scavenging protein tryptophan-rich sensory protein-related protein O. In this study, we analyzed the accumulation of tetrapyrrole biosynthetic gene transcripts after the addition of ABA to the medium and found that transcripts of a ferrochelatase and a magnesium-chelatase subunit increased, while other examined transcripts decreased. Under the same conditions, the heme and magnesium-protoporphyrin IX contents increased, while the protoporphyrin IX content decreased. Thus, ABA may regulate the intracellular heme and other tetrapyrrole contents through the transcriptional regulation of biosynthetic genes.
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