Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 443542
Title The synchronized cell cycle of Neochloris oleoabundans and its influenceon biomass composition under constant light conditions
Author(s) Winter, L. de; Klok, A.J.; Cuaresma Franco, M.; Barbosa, M.J.; Wijffels, R.H.
Source Algal Research 2 (2013)4. - ISSN 2211-9264 - p. 313 - 320.
Department(s) Bioprocess Engineering
FBR Bioconversion
Publication type Refereed Article in a scientific journal
Publication year 2013
Keyword(s) chlamydomonas-reinhardtii chlorophyta - circadian clock - photosynthetic efficiency - division cycle - dark cycle - growth - metabolism - microalgae - algae - chlorella
Abstract The effect of cell cycle stage on biomass composition of the green microalgae Neochloris oleoabundanswas investigated. N. oleoabundans was grown under constant light conditions in a flat panel photobioreactor operated as a turbidostat. Even though light conditionswere constant, a synchronized cell division was observed with the cells dividing by multiple fission during the natural night. Presumably, the circadian clockwas responsible for ‘gating’ cell division to this specific time frame. Oscillations in starch, protein and pigment contentwere observed during the cell cycle. These oscillations could be solely contributed to the cell cycle stage of the synchronized culture, since all experimental conditions were kept constant. A maximum in starch, protein and fatty acid content was obtained just before cell division. Biomass yield was also greatly influenced by the cell cycle and declined to a minimum during cell division. These findings highlight that knowledge of the cell cycle is of importance in microalgae process optimization.
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