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Title of Journal: J Appl Phycol

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Abbravation: Journal of Applied Phycology

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Springer Netherlands

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DOI

10.1007/s10267-012-0181-4

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ISSN

1573-5176

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Environmental controls on growth and lipid content

Authors: Justin D Chaffin Sasmita Mishra Rachel M Kuhaneck Scott A Heckathorn Thomas B Bridgeman
Publish Date: 2011/10/06
Volume: 24, Issue: 5, Pages: 1045-1051
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Abstract

The use of microalgae for biofuel production has the potential to reduce fossil fuel consumption Ideal candidate species of microalgae for biooil production need both relatively high growth rates and lipid content Here we report on the effects of temperature nutrients N Si and salinity on growth rates and lipid content of the common freshwater diatom Fragilaria capucina Desm isolated from western Lake Erie At low NaCl salinity growth rate increased rapidly from 10 to 20°C and then further increased slowly from 20 to 30°C with a maximum specific growth rate of 061 day−1 Growth rate declined with increasing salinity eg reduced by ca 50 and 100 at 137 and 274 mmol L−1 NaCl respectively and increased with increased N and Si concentration until ca 100 μmol L−1 for each with 85 of maximum growth rate at 10 μmol L−1 Lipid content total lipid per dry mass in nutrientreplete cultures was 14 and 1 increased to 30 at low N and especially low Si 2 was lower at 30°C vs 20 or 10°C and 3 decreased with salinity Thus F capucina accumulates lipid to high levels even under N Si and temperature levels that permit a high growth rate for this species and hence this species is a candidate for use in biofuel productionWe thank Patty Armenio Deepesh Bista Peter Bicher Sarah Panek and Michele Phillips for laboratory assistance Jason Witter and Dr Alison Spongberg for help with freezedrying of samples and Dr Julie Wolin for identification of our isolate as Fragilaria capucina Desm Funding was provided by the Center for Innovative Food Technology and United States Air Force to SAH and TB JDC is currently supported by a National Science Foundation GK12 Program to the University of Toledo’s Lake Erie Center grant DGE0742395 This is contribution number 201113 of the Lake Erie Center


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  2. The inverse correlation between growth rate and cell carbohydrate content of Microcystis aeruginosa
  3. Giant kelp ( Macrocystis) fishery in Atacama (Northern Chile): biological basis for management of the integrifolia morph
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  5. Cultivation of Chlorella vulgaris with swine wastewater and potential for algal biodiesel production
  6. Salinity tolerance of four freshwater microalgal species and the effects of salinity and nutrient limitation on biochemical profiles
  7. The allelopathy and allelopathic mechanism of phenolic acids on toxic Microcystis aeruginosa
  8. Red alga Palmaria palmata —growth rate and photosynthetic performance under elevated CO 2 treatment
  9. Effect of alkali treatment time and extraction time on agar from Gracilaria vermiculophylla
  10. Historical context of commercial exploitation of seaweeds in Brazil
  11. Nonliving biomass of marine macrophytes as arsenic(V) biosorbents
  12. Nonliving biomass of marine macrophytes as arsenic(V) biosorbents
  13. Comparative Characterization of Laminarinases from the Filamentous Marine Fungi Chaetomium Indicum Corda and Trichoderma Aureviride Rifai
  14. Effect of aqueous extract of Sargassum johnstonii Setchell & Gardner on growth, yield and quality of Lycopersicon esculentum Mill.
  15. Nitrogen and phosphorus utilization in the cyanobacterium Microcystis aeruginosa isolated from Laguna de Bay, Philippines
  16. A molecular method for identification of the morphologically plastic invasive algal genera Eucheuma and Kappaphycus (Rhodophyta, Gigartinales) in Hawaii
  17. Cultivation of red seaweeds: a Latin American perspective
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  19. Ulvan from green algae Ulva intestinalis : optimization of ultrasound-assisted extraction and antioxidant activity
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  21. Effects of UVB Radiation on the Initial Stages of Growth of Gigartina Skottsbergii, Sarcothalia Crispata and Mazzaella Laminarioides (Gigartinales, Rhodophyta)
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  24. Response of Antarctic, temperate, and tropical microalgae to temperature stress
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  33. Application of the Fourier Method to Differentiate Biological Rhythms from Stochastic Processes in the Growth of Selenastrum capricornutum Printz: Implications for Model Development
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  38. Optimisation of fucoxanthin extraction from Irish seaweeds by response surface methodology
  39. Evaluation of Zostera detritus as a potential new source of zosteric acid

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