Lhcx proteins provide photoprotection via thermal dissipation of absorbed light in the diatom Phaeodactylum tricornutum

JM Buck, J Sherman, CR Bártulos, M Serif… - Nature …, 2019 - nature.com
Diatoms possess an impressive capacity for rapidly inducible thermal dissipation of excess
absorbed energy (qE), provided by the xanthophyll diatoxanthin and Lhcx proteins. By …

Single-turnover variable chlorophyll fluorescence as a tool for assessing phytoplankton photosynthesis and primary productivity: opportunities, caveats and …

N Schuback, PD Tortell, I Berman-Frank… - Frontiers in Marine …, 2021 - frontiersin.org
Phytoplankton photosynthetic physiology can be investigated through single-turnover
variable chlorophyll fluorescence (ST-ChlF) approaches, which carry unique potential to …

Photosynthetic light reactions in diatoms. II. The dynamic regulation of the various light reactions

B Lepetit, DA Campbell, J Lavaud, C Büchel… - The molecular life of …, 2022 - Springer
Photosynthesis in diatoms is performed using the same basic modules as cyanobacteria
and plants. It can be regulated on multiple levels depending on the environmental cues …

Identification of sequence motifs in Lhcx proteins that confer qE‐based photoprotection in the diatom Phaeodactylum tricornutum

JM Buck, PG Kroth, B Lepetit - The Plant Journal, 2021 - Wiley Online Library
Photosynthetic organisms in nature often experience light fluctuations. While low light
conditions limit the energy uptake by algae, light absorption exceeding the maximal rate of …

Contrasting phytoplankton-zooplankton distributions observed through autonomous platforms, in-situ optical sensors and discrete sampling

GM Fragoso, EJ Davies, TO Fossum, JE Ullgren… - Plos one, 2022 - journals.plos.org
Plankton distributions are remarkably 'patchy'in the ocean. In this study, we investigated the
contrasting phytoplankton-zooplankton distributions in relation to wind mixing events in …

Variability in primary productivity and bio-optical properties in the Indian sector of the Southern Ocean during an austral summer

AU Kerkar, SC Tripathy, P Minu, N Baranval, P Sabu… - Polar Biology, 2020 - Springer
Abstract The Southern Ocean (SO), in spite of its major contribution to global primary
productivity (PP), remains underexplored in this aspect. Light being the most limiting …

Inhibition of non-photochemical quenching increases functional absorption cross-section of photosystem II as excitation from closed reaction centres is transferred to …

CB Osmond, WS Chow, SA Robinson - Functional Plant Biology, 2021 - CSIRO Publishing
Induction of non-photochemical quenching (NPQ) of chlorophyll fluorescence in leaves
affords photoprotection to the photosynthetic apparatus when, for whatever reason, photon …

[HTML][HTML] Photosynthetic electron transport transients in Chlorella vulgaris under fluctuating light

M Bonnanfant, B Jesus, J Pruvost, JL Mouget… - Algal Research, 2019 - Elsevier
Chlorella sp. is both an important model for green algal photosynthesis and is produced
using industrial scale photobioreactors. In photobioreactors, cells travel through steep …

Dynamic photophysiological stress response of a model diatom to ten environmental stresses

Z Li, W Li, Y Zhang, Y Hu, R Sheward… - Journal of …, 2021 - Wiley Online Library
Stressful environmental conditions can induce many different acclimation mechanisms in
marine phytoplankton, resulting in a range of changes in their photophysiology. Here we …

Potential for the Production of Carotenoids of Interest in the Polar Diatom Fragilariopsis cylindrus

S Guérin, L Raguénès, D Croteau, M Babin, J Lavaud - Marine drugs, 2022 - mdpi.com
Carotenoid xanthophyll pigments are receiving growing interest in various industrial fields
due to their broad and diverse bioactive and health beneficial properties. Fucoxanthin (Fx) …