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231225s1993 xx |||||o 00| ||eng c |
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|a 10.1111/j.1469-8137.1993.tb03912.x
|2 doi
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|a eng
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|a Hagen, C
|e verfasserin
|4 aut
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|a Functional aspects of secondary carotenoids in Haematococcus lacustris (Girod) Rostafinski (Volvocales)
|b I. The accumulation period as an active metabolic process
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|c 1993
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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 Revised 20.04.2021
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Alterations of photosynthetic activity were investigated during accumulation of secondary carotenoids in Haematococcus lacustris (Girod) Rostafinski. Using several methods regarding (i) pigment pattern and pigment content (cytophotometry, computer-aided microscopic image analysis, in vivo absorption spectroscopy, high-performance liquid chromatrography) and (ii) photosynthesis (microfluorometry, modulated chlorophyll fluorescence and luminescence detection, O2 evolution and consumption measurement, 77 K fluorescence spectroscopy) we examined single cells and cell suspensions of the green alga. The results indicate decrease of both the photosystem II activity and the linear electron transport accompanying synthesis of secondary carotenoids. On the other hand, activation of those processes leading to an increased transthylakoid proton gradient could be established during early accumulation period. This is assumed to be an active adaptation of the photosynthetic apparatus to energetic requirements given by secondary carotenoid biosynthesis in H. lacustris
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|a Journal Article
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|a Chlorophyll fluorescence
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|a Haematococcus lacustris
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|a photosynthesis
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| 650 |
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|a secondary carotenoids
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|a Braune, W
|e verfasserin
|4 aut
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|a Birckner, E
|e verfasserin
|4 aut
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|a Nuske, J
|e verfasserin
|4 aut
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|i Enthalten in
|t The New phytologist
|d 1979
|g 125(1993), 3 vom: 20. Nov., Seite 625-633
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:125
|g year:1993
|g number:3
|g day:20
|g month:11
|g pages:625-633
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|u http://dx.doi.org/10.1111/j.1469-8137.1993.tb03912.x
|3 Volltext
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|d 125
|j 1993
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