2017
DOI: 10.1098/rstb.2016.0396
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Response of CO 2 -starved diatom Phaeodactylum tricornutum to light intensity transition

Abstract: In this study, we investigated the responses of cells acclimated to 300 µmol m s photon flux density to an increase (1000 µmol m s) or decrease (30 µmol m s) in photon flux densities. The light shift occurred abruptly after 5 days of growth and the acclimation to new conditions was followed during the next 6 days at the physiological and molecular levels. The molecular data reflect a rearrangement of carbon metabolism towards the production of phosphoenolpyruvic acid (PEP) and/or pyruvate. These intermediates … Show more

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Cited by 53 publications
(47 citation statements)
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References 71 publications
(82 reference statements)
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“…Also in Chlamydomonas, extended (24h) dark periods cause TAG accumulation [430]. Prolonged darkness in Phaeodactylum tricornutum has also been studied in detail and information about nuclear transcriptional activity, pigment content and photosynthesis reported during darkness and following re-illumination [443].…”
Section: Lightmentioning
confidence: 99%
“…Also in Chlamydomonas, extended (24h) dark periods cause TAG accumulation [430]. Prolonged darkness in Phaeodactylum tricornutum has also been studied in detail and information about nuclear transcriptional activity, pigment content and photosynthesis reported during darkness and following re-illumination [443].…”
Section: Lightmentioning
confidence: 99%
“…The total pigment amount was determined spectroscopically using a double beam Lambda 25 UV/VIS spectrometer (PerkinElmer). The concentration of chlorophyll (Chl) a, Chl c and total carotenoids in the PT were calculated according to Heydarizadeh et al [103], whereas the Chl a, Chl b and total carotenoids in the OT were calculated according to Lichtenthaler et al [104].…”
Section: Pigment Compositionmentioning
confidence: 99%
“…In this assay, a 94% flocculation activity, at a pH 11, was registered within the co-culture of the mentioned microorganisms [60]. Furthermore, there is evidence that some microalgae species, like Phaeodactylum tricornutum (Bacillariophyta), also present the ability to flocculate as a response to several abiotic factors, such as light, pH, temperature or carbon dioxide concentration [61,62].…”
Section: Content Analysismentioning
confidence: 73%