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240323s2024 xx |||||o 00| ||eng c |
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|a 10.1111/nph.19662
|2 doi
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|a pubmed24n1373.xml
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|a (DE-627)NLM370032667
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|a (NLM)38513692
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Uzaki, Mai
|e verfasserin
|4 aut
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|a Integration of cell differentiation and initiation of monoterpenoid indole alkaloid metabolism in seed germination of Catharanthus roseus
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 12.04.2024
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|a Date Revised 12.04.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2024 The Authors. New Phytologist © 2024 New Phytologist Foundation.
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|a In Catharanthus roseus, monoterpenoid indole alkaloids (MIAs) are produced through the cooperation of four cell types, with final products accumulating in specialized cells known as idioblasts and laticifers. To explore the relationship between cellular differentiation and cell type-specific MIA metabolism, we analyzed the expression of MIA biosynthesis in germinating seeds. Embryos from immature and mature seeds were observed via stereomicroscopy, fluorescence microscopy, and electron microscopy. Time-series MIA and iridoid quantification, along with transcriptome analysis, were conducted to determine the initiation of MIA biosynthesis. In addition, the localization of MIAs was examined using alkaloid staining and imaging mass spectrometry (IMS). Laticifers were present in embryos before seed maturation. MIA biosynthesis commenced 12 h after germination. MIAs accumulated in laticifers of embryos following seed germination, and MIA metabolism is induced after germination in a tissue-specific manner. These findings suggest that cellular morphological differentiation precedes metabolic differentiation. Considering the well-known toxicity and defense role of MIAs in matured plants, MIAs may be an important defense strategy already in the delicate developmental phase of seed germination, and biosynthesis and accumulation of MIAs may require the tissue and cellular differentiation
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|a Journal Article
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|a Catharanthus roseus
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|a cell differentiation
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|a idioblast
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4 |
|a laticifer
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|a metabolic differentiation
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|a monoterpenoid indole alkaloid
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| 650 |
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4 |
|a seed germination
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| 650 |
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|a Monoterpenes
|2 NLM
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| 650 |
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|a Secologanin Tryptamine Alkaloids
|2 NLM
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| 650 |
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|a Plant Proteins
|2 NLM
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| 700 |
1 |
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|a Mori, Tetsuya
|e verfasserin
|4 aut
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|a Sato, Mayuko
|e verfasserin
|4 aut
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|a Wakazaki, Mayumi
|e verfasserin
|4 aut
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|a Takeda-Kamiya, Noriko
|e verfasserin
|4 aut
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|a Yamamoto, Kotaro
|e verfasserin
|4 aut
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|a Murakami, Akio
|e verfasserin
|4 aut
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|a Guerrero, Delia Ayled Serna
|e verfasserin
|4 aut
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| 700 |
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|a Shichijo, Chizuko
|e verfasserin
|4 aut
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|a Ohnishi, Miwa
|e verfasserin
|4 aut
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|a Ishizaki, Kimitsune
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|4 aut
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|a Fukaki, Hidehiro
|e verfasserin
|4 aut
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|a O'Connor, Sarah E
|e verfasserin
|4 aut
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|a Toyooka, Kiminori
|e verfasserin
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|a Mimura, Tetsuro
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|a Hirai, Masami Yokota
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 242(2024), 3 vom: 10. Apr., Seite 1156-1171
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
1 |
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|g volume:242
|g year:2024
|g number:3
|g day:10
|g month:04
|g pages:1156-1171
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| 856 |
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|u http://dx.doi.org/10.1111/nph.19662
|3 Volltext
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|a GBV_ILN_350
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|a AR
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|d 242
|j 2024
|e 3
|b 10
|c 04
|h 1156-1171
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