Heterocyst differentiation and pattern formation in cyanobacteria: a chorus of signals

…, S Laurent, S Sakr, L Peng, S Bédu - Molecular …, 2006 - Wiley Online Library
… Unpublished results from S. Callahan's lab suggest that PatA may contribute to attenuating
the effects of PatS on the suppression of heterocyst differentiation. Within the first 24 h of …

Nonmetabolizable analogue of 2-oxoglutarate elicits heterocyst differentiation under repressive conditions in Anabaena sp. PCC 7120

S Laurent, H Chen, S Bédu, F Ziarelli… - Proceedings of the …, 2005 - National Acad Sciences
… The pulse sequence used was a single pulse experiment (SPE) with a pulse length of 1.2
μs and a recycle delay of 2 s. To obtain a good signal-to-noise ratio, 30,000 scans were …

[PDF][PDF] Spatial regionalization and heterochrony in the formation of adult pallial neural stem cells

L Dirian, S Galant, M Coolen, W Chen, S Bedu… - Developmental cell, 2014 - cell.com
… fish-keeping protocols and in accordance with our Institute’s Guidelines for Animal Welfare.
… presented as mean ± 95%CI (ANOVA S ). (D) Medial cross-section of the telencephalon of …

[HTML][HTML] Inter-individual and inter-strain variations in zebrafish locomotor ontogeny

M Lange, F Neuzeret, B Fabreges, C Froc, S Bedu… - PloS one, 2013 - journals.plos.org
Zebrafish exhibit remarkable alterations in behaviour and morphology as they develop from
early larval stages to mature adults. In this study we compare the locomotion parameters of …

Large-scale live imaging of adult neural stem cells in their endogenous niche

N Dray, S Bedu, N Vuillemin, A Alunni… - …, 2015 - journals.biologists.com
… Second, they are strongly quiescent, only ∼15% of them being activated at a given time
point and expressing S/G2/M markers such as Mini-Chromosome Maintenance factor 5 (Mcm5) …

[PDF][PDF] Life-long neurogenic activity of individual neural stem cells and continuous growth establish an outside-in architecture in the teleost pallium

…, L Dirian, AJ Muntasell, M Coolen, N Dray, S Bedu… - Current Biology, 2017 - cell.com
Spatiotemporal variations of neurogenesis are thought to account for the evolution of brain
shape. In the dorsal telencephalon (pallium) of vertebrates, it remains unresolved which …

[PDF][PDF] Dynamic spatiotemporal coordination of neural stem cell fate decisions occurs through local feedback in the adult vertebrate brain

…, F Cheysson, W Supatto, P Mahou, S Bedu, S Ortica… - Cell Stem Cell, 2021 - cell.com
… We estimated Besag’s L function in multiple simulations with and without LI and quantified
the correlation between the position of MCs relative to one another across a range of Dt …

An increase in the level of 2-oxoglutarate promotes heterocyst development in the cyanobacterium Anabaena sp. strain PCC 7120

JH Li, S Laurent, V Konde, S Bedu… - Microbiology, 2003 - microbiologyresearch.org
… PCC 7120 interpret nitrogen availability in the growth medium or what is the nature of the
signal(s) that reflect the depletion of combined nitrogen. The critical step for inorganic nitrogen …

[HTML][HTML] Protein PII regulates both inorganic carbon and nitrate uptake and is modified by a redox signal in Synechocystis PCC 6803

…, R Jeanjean, F Joset, NT de Marsac, S Bédu - FEBS letters, 1999 - Elsevier
In Synechocystis PCC 6803 as in other cyanobacteria, involvement of protein PII in the co-regulation
of inorganic carbon and nitrogen metabolism was established based on post-…

The signal transducer PII and bicarbonate acquisition in Prochlorococcus marinus PCC 9511, a marine cyanobacterium naturally deficient in nitrate and nitrite …

…, W Laloui, S Bédu, S Loiseaux-de Goer… - …, 2002 - microbiologyresearch.org
… (A) S, Uptake measured in the presence of increasing concentrations of from 2·5 to 500
μM; V, uptake in nmol −1 min −1 (mg chl) −1 . (B) The Lineweaver–Burk plot reveals two …