Results 61 to 70 of about 2,239,947 (297)

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

FEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

Importance et difficulté de prendre en compte la mesure dans un système qualité universitaire

The Journal of Quality in Education, 2019
La maîtrise de la qualité de tout système passe par la maîtrise d'un processus de production de valeur, mais également - et on l'oublie trop souvent - par la maîtrise des processus de mesure.
MAURICE PILLET, LUCE SANCHEZ, JEAN LUC MAIRE   +2 more
doaj   +1 more source

Action research on work-study organizational models in technical training in compliance with the criteria set out in the ministerial documentation on work-study programs in vocational and technical education. / [PDF]

"Working document"
Demers, Sylvie, Labelle, Marjolaine., Québec (Province). Direction de la formation continue et du soutien   +2 more
core  

Evolutionary Status of Dwarf ``Transition'' Galaxies [PDF]

, 1998
We present deep B, R and Halpha imaging of 3 dwarf galaxies: NGC3377A, NGC4286, and IC3475. Based on previous broadband imaging and HI studies, these mixed-morphology galaxies were proposed by Sandage & Hoffman (1991) to be, respectively, a gas-rich low ...
Babul A., Bender R., de Blok W. J. G., Faber S., Garcia A. M., Gardiner L. T., Gerin M., Huchtmeier W. K., John S. Gallagher III, Kenneth R. Sembach, Kennicutt R. C., Jr., Marconi G., Matteucci F., Matteucci F., McGlynn T. A., Noguchi M., Oh K. S., Patricia M. Knezek, Pilyugin L. S., Pilyugin L. S., Schaller G., Seguin P., Skillman E. D., Strong A. W.   +23 more
core   +2 more sources

Enteropathogenic E. coli shows delayed attachment and host response in human jejunum organoid‐derived monolayers compared to HeLa cells

FEBS Letters, EarlyView.
Enteropathogenic E. coli (EPEC) infects the human intestinal epithelium, resulting in severe illness and diarrhoea. In this study, we compared the infection of cancer‐derived cell lines with human organoid‐derived models of the small intestine. We observed a delayed in attachment, inflammation and cell death on primary cells, indicating that host ...
Mastura Neyazi, Pilar Samperio Ventayol, Natalie Burkard, Nicolas Schlegel, Carmen Aguilar, Sina Bartfeld   +5 more
wiley   +1 more source

The challenging task of determining star formation rates: the case of a massive stellar burst in the brightest cluster galaxy of Phoenix galaxy cluster

, 2016
Star formation in galaxies at the center of cooling-flow galaxy clusters is an important phenomenon in the context of formation and evolution of massive galaxies in the Universe. Yet, star formation rates (SFRs) in such systems continue to be elusive. We
Bruzual, Gustavo, McDonald, Michael, Mittal, Rupal, Whelan, John T.   +3 more
core   +1 more source

Reciprocal control of viral infection and phosphoinositide dynamics

FEBS Letters, EarlyView.
Phosphoinositides, although scarce, regulate key cellular processes, including membrane dynamics and signaling. Viruses exploit these lipids to support their entry, replication, assembly, and egress. The central role of phosphoinositides in infection highlights phosphoinositide metabolism as a promising antiviral target.
Marie Déborah Bancilhon, Bruno Mesmin
wiley   +1 more source

L’école à la recherche du temps perdu

Revue Internationale d’Éducation de Sèvres, 1997
Après la révolution des œillets (1974), le système éducatif portugais fait l’objet d’importantes réformes et/ou innovations. Les grands débats sont ceux de la formation permanente des enseignants, de l’autonomie des établissements scolaires en liaison ...
Rui Canário
doaj   +1 more source

Extended Star Formation and Molecular Gas in the Tidal Arms near NGC3077

, 2006
We report the detection of ongoing star formation in the prominent tidal arms near NGC 3077 (member of the M 81 triplet). In total, 36 faint compact HII regions were identified, covering an area of ~4x6 kpc^2.
Barbieri C., Brouillet N., Crystal L. Martin, Fabian Walter, Heithausen A., Jürgen Ott, Karachentsev I. D., Sharina M. E., Strong A. W., Thomasson M.   +9 more
core   +1 more source

Spatiotemporal and quantitative analyses of phosphoinositides – fluorescent probe—and mass spectrometry‐based approaches

FEBS Letters, EarlyView.
Fluorescent probes allow dynamic visualization of phosphoinositides in living cells (left), whereas mass spectrometry provides high‐sensitivity, isomer‐resolved quantitation (right). Their synergistic use captures complementary aspects of lipid signaling. This review illustrates how these approaches reveal the spatiotemporal regulation and quantitative
Hiroaki Kajiho, Shin Morioka, Junko Sasaki, Takehiko Sasaki   +3 more
wiley   +1 more source