[HTML][HTML] Spatial Fluctuations in Expression of the Heterocyst Differentiation Regulatory Gene hetR in Anabaena Filaments

L Corrales-Guerrero, A Tal, R Arbel-Goren… - PLoS …, 2015 - journals.plos.org
Under nitrogen deprivation, filaments of the cyanobacterium Anabaena undergo a process
of development, resulting in a one-dimensional pattern of nitrogen-fixing heterocysts …

Temporal and Spatial Regulation of the Four Transcription Start Sites of hetR from Anabaena sp. Strain PCC 7120

R Rajagopalan, SM Callahan - Journal of bacteriology, 2010 - Am Soc Microbiol
The filamentous cyanobacterium Anabaena sp. strain PCC 7120 forms nitrogen-fixing
heterocysts in a periodic pattern in response to combined-nitrogen limitation in the …

Expanding the direct HetR regulon in Anabaena sp. strain PCC 7120

P Videau, S Ni, OS Rivers, B Ushijima… - Journal of …, 2014 - Am Soc Microbiol
In response to a lack of environmental combined nitrogen, the filamentous cyanobacterium
Anabaena sp. strain PCC 7120 differentiates nitrogen-fixing heterocyst cells in a periodic …

Visualization of channels connecting cells in filamentous nitrogen‐fixing cyanobacteria

A Omairi‐Nasser, R Haselkorn, J Austin - The FASEB Journal, 2014 - Wiley Online Library
Cyanobacteria, formerly called blue‐green algae, are abundant bacteria that carry out green
plant photosynthesis, fixing CO2 and generating O2. Many species can also fix N2 when …

Modelling from the experimental developmental biologists viewpoint

AD Economou, JBA Green - Seminars in cell & developmental biology, 2014 - Elsevier
In this review we consider Reaction–Diffusion as the archetype of a model in developmental
biology. We consider its history in relation to experimental work since it was first proposed in …

The heterocyst-specific small RNA NsiR1 regulates the commitment to differentiation in Nostoc

M Brenes-Álvarez, A Vioque… - Microbiology …, 2022 - Am Soc Microbiol
Heterocysts are specialized cells that filamentous cyanobacteria differentiate for the fixation
of atmospheric nitrogen when other nitrogen sources are not available. Heterocyst …

[HTML][HTML] Relationships between the ABC-Exporter HetC and Peptides that Regulate the Spatiotemporal Pattern of Heterocyst Distribution in Anabaena

L Corrales-Guerrero, E Flores, A Herrero - PloS one, 2014 - journals.plos.org
In the model cyanobacterium Anabaena sp. PCC 7120, cells called heterocysts that are
specialized in the fixation of atmospheric nitrogen differentiate from vegetative cells of the …

The heterocyst differentiation transcriptional regulator HetR of the filamentous cyanobacterium Anabaena forms tetramers and can be regulated by phosphorylation

A Valladares, E Flores, A Herrero - Molecular microbiology, 2016 - Wiley Online Library
Many filamentous cyanobacteria respond to the external cue of nitrogen scarcity by the
differentiation of heterocysts, cells specialized in the fixation of atmospheric nitrogen in oxic …

Cyanobacterial heterocysts

I Maldener, AM Muro-Pastor - els, 2010 - Wiley Online Library
Cyanobacteria are phototrophic bacteria carrying out oxygen-producing photosynthesis.
Indeed, cyanobacteria were the inventors of oxygenic photosynthesis carried out by …

Molecular circuit of heterocyst differentiation in cyanobacteria

Harish, K Seth - Journal of basic microbiology, 2020 - Wiley Online Library
Differentiation commitment is one of the most complex mechanisms to study in biological
science. One of the model systems used for understanding differentiation complexity is …