Results 41 to 50 of about 4,379 (172)

Domoic Acid Oxidative Effects on the Microalgae Phaeodactylum tricornutum

Life, 2023
Domoic acid (DA) is a natural occurring marine biotoxin. Oxidative stress generation due to DA exposure was reported in animals, but little is known on the phytoplankton community. The aim of this work was to verify whether exposure to DA in the marine diatom Phaeodactylum tricornutum favors reactive oxygen species (ROS) generation in the intracellular
Joaquin Cabrera, Susana Puntarulo, Paula Mariela González   +2 more
openaire   +4 more sources

Action Spectrum of Photoinhibition in the Diatom Phaeodactylum tricornutum [PDF]

Plant and Cell Physiology, 2017
Light-dependent electron transfer is necessary for photosynthesis, but light also damages PSII. Light-induced damage to PSII is called photoinhibition, and the damaging reactions of photoinhibition are still under debate. Diatoms possess an exotic combination of light-harvesting pigments, Chls a/c and fucoxanthin, making them an interesting platform ...
Tyystjärvi Esa, Havurinne Vesa
openaire   +2 more sources

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

Nature Communications, 2019
Photosynthetic organisms can dissipate excess absorbed light energy as heat to avoid photodamage. Here the authors show that induced thermal dissipation in the diatom Phaeodactylum tricornutum Pt4 is Lhcx protein-dependent and correlates with a reduced ...
Jochen M. Buck, Jonathan Sherman, Carolina Río Bártulos, Manuel Serif, Marc Halder, Jan Henkel, Angela Falciatore, Johann Lavaud, Maxim Y. Gorbunov, Peter G. Kroth, Paul G. Falkowski, Bernard Lepetit   +11 more
doaj   +1 more source

The complete mitochondrial genome of the stalk-forming diatom Didymosphenia Geminata

Mitochondrial DNA. Part B. Resources, 2018
The complete mitogenome of the stalk-forming diatom Didymosphenia geminata collected from Mineral County, WV, USA was sequenced on the Ion Torrent PGM and Proton sequencers. The D.
Aaron W. Aunins, Donald Hamilton, Timothy L. King   +2 more
doaj   +1 more source

Mixotrophy in Marine Microalgae to Enhance Their Bioactivity

Microorganisms
Photosynthetic microorganisms, such as microalgae, are remarkable for their ability to harness sunlight, fix carbon dioxide, and produce a variety of bioactive compounds.
Gabriella Licata, Christian Galasso, Fortunato Palma Esposito, Antonio Palumbo Piccionello, Valeria Villanova   +4 more
doaj   +1 more source

Adaptive and Biochemical Responses of Dictyosphaerium sp. AM‐2024a to Environmental Conditions and Microplastic Interactions: Synergy of Biofuel Production With Pollution Mitigation

Biotechnology and Applied Biochemistry, EarlyView.
ABSTRACT This study investigates the physiological and biochemical responses of a newly isolated microalgal strain, Dictyosphaerium sp. AM‐2024a, identified through 18S rDNA sequencing, under varying environmental conditions and microplastic (MP) interactions.
Khushboo Iqbal, Arti Mishra, Smitha Mony Sreedharan   +2 more
wiley   +1 more source

Comparative Structural and Functional Analyses of the Fusiform, Oval, and Triradiate Morphotypes of Phaeodactylum tricornutum Pt3 Strain

Frontiers in Plant Science, 2021
The diatom Phaeodactylum tricornutum is a marine unicellular microalga that exists under three main morphotypes: oval, fusiform, and triradiate. Previous works have demonstrated that the oval morphotype of P.
Ludovic Galas, Carole Burel, Damien Schapman, Marc Ropitaux, Sophie Bernard, Sophie Bernard, Magalie Bénard, Muriel Bardor, Muriel Bardor   +8 more
doaj   +1 more source

Environmental Risk Assessment and Anti‐Corrosion Efficacy of Safe‐by‐Design Nitrite‐Based Nanomaterials for Maritime Applications

Nano Select, EarlyView.
The environmental behavior and impact of anti‐corrosion nanoadditives, ZnAl‐NO2 and MgAl‐NO2 layered double hydroxides (LDH), are assessed under marine conditions. These nanomaterials show instability in water but exhibit no or low toxicity to most tested marine species.
Joana Figueiredo, Fernando C. Perina, Diana Carneiro, Muhammad Ahsan Iqbal, Patrícia V. Silva, Olga Kaczerewska, Cristina Neves, Cláudia Rocha, Tânia Oliveira, Frederico Maia, João Tedim, Susana Loureiro, Roberto Martins   +12 more
wiley   +1 more source

Recent advances of emergent extraction technologies to enhance bioactive compounds extraction of microalgae—An overview towards application in cosmetics

International Journal of Cosmetic Science, EarlyView.
Microalgae extracts show immense potential in cosmetics for their bioactivities; emerging extraction techniques enhance bioactive compound yield from microalgae. Abstract Microalgae have attracted significant interest in numerous sectors, particularly in the cosmetic industries, owing to their rich composition of bioactive compounds. This paper aims to
Alireza Mousakhani Ganjeh, Lucília da P. da Silva, Carlos A. Pinto, Rosário Martins, Alexandra P. Marques, Jorge A. Saraiva   +5 more
wiley   +1 more source

The unicellular green microalga Botryosphaerella sudetica links plant‐like light protection with an algal lifestyle

New Phytologist, EarlyView.
Summary Nonphotochemical quenching (NPQ) mechanisms fine‐tune light utilisation in the photosynthetic antenna, for example, in response to excess light, to prevent photodamage. NPQ comprises distinct mechanisms, all contributing to photoprotection but acting on different time scales.
Olga Blifernez‐Klassen, Hanna Berger, Viktor Klassen, Swapnil Chaudhari, Thomas Baier, Lutz Wobbe, Olaf Kruse   +6 more
wiley   +1 more source