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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2023.03.010
|2 doi
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|a pubmed24n1182.xml
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|a (DE-627)NLM354703986
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|a (NLM)36965319
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|a (PII)S0981-9428(23)00137-7
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|a DE-627
|b ger
|c DE-627
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|a eng
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|a Abdullahi, Zulaihat Hamza
|e verfasserin
|4 aut
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|a Growth stage-related biomass, pigments, and biochemical composition of Stichococcus bacillaris, Synechococcus sp., and Trentepohlia aurea isolated from Gua Tempurung, a cave in Malaysia
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|c 2023
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|a Text
|b txt
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 11.04.2023
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|a Date Revised 11.04.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2023 Elsevier Masson SAS. All rights reserved.
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|a As part of the lampenflora that inhabit limestone caves, microalgae play an important role in cave ecosystems but are understudied in tropical ecoregions. In the present study, the dominant eukaryotic and prokaryotic microalgae identified in lampenflora samples collected from Gua Tempurung, a cave in Malaysia, and growth stage-related microalgal attributes were determined. Stichococcus bacillaris, Synechococcus sp., and Trentepohlia aurea were selected and cultured in Bold's Basal Medium (S. bacillaris and T. aurea) or BG-11 medium (Synechococcus sp.) under laboratory conditions. The highest specific growth rate (0.72 ± 0.21 day-1) and dry weight (0.11 ± 0.04 mg L-1) were recorded in S. bacillaris in the early stationary phase. Trentepohlia aurea and Synechococcus sp. had the highest ash-free dry weight and total ash percentage (11.18 ± 4.64 mg L-1 and 8.55% ± 6.73%, respectively) in the early stationary phase. Stichococcus bacillaris had the highest moisture content (84.26% ± 0.64%) in the exponential phase. Chlorophylls a and b were highest in the early stationary phase in T. aurea (0.706 ± 0.40 mg L-1 and 1.094 ± 0.589 mg L-1, respectively). Carotenoid levels were highest in Synechococcus sp. in the early stationary stage (0.07 ± 0.02 mg L-1). Lipids were the major biochemical compound identified at the highest levels in Synechococcus sp. (67.87% ± 7.75%) in the early stationary phase, followed by protein recorded at the highest levels in T. aurea (57.99% ± 4.99%) in the early stationary phase. Carbohydrates were the compound identified least often with the highest recorded levels found in T. aurea (9.94% ± 0.49%) in the late stationary phase. Biomass, pigments, and biochemical accumulation varied at different growth stages in the studied microalgae, and this variation was species-specific. The present study provides a benchmark for the growth phases of aerophytic cave microalgae, which will be useful for determining their optimum harvest time and obtaining biochemical compounds of interest
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|a Journal Article
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|a Aerophytic
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|a Biochemical composition
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|a Cave
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|a Growth phase
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|a Microalgae
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|a Marselin, Fasihah Natasha
|e verfasserin
|4 aut
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|a Khaironizam, Nur Izatul Aisyah
|e verfasserin
|4 aut
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|a Fauzi, Nur Fatihah Ahmad
|e verfasserin
|4 aut
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|a Wan Maznah, W O
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 197(2023) vom: 15. Apr., Seite 107633
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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|g volume:197
|g year:2023
|g day:15
|g month:04
|g pages:107633
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|u http://dx.doi.org/10.1016/j.plaphy.2023.03.010
|3 Volltext
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