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Interactions of PatA with the Divisome during Heterocyst Differentiation in Anabaena [PDF]

open access: yesmSphere, 2020
The Anabaena organismic unit is a filament of communicating cells. Under conditions of nitrogen scarcity, some cells along the filament differentiate into heterocysts, which are specialized in the fixation of atmospheric N2 and provide the vegetative ...
Ana Valladares   +2 more
doaj   +7 more sources

An integrative approach for modeling and simulation of heterocyst pattern formation in cyanobacteria filaments. [PDF]

open access: yesPLoS Computational Biology, 2015
Heterocyst differentiation in cyanobacteria filaments is one of the simplest examples of cellular differentiation and pattern formation in multicellular organisms.
Alejandro Torres-Sánchez   +2 more
doaj   +12 more sources

Relationships between the ABC-exporter HetC and peptides that regulate the spatiotemporal pattern of heterocyst distribution in Anabaena. [PDF]

open access: yesPLoS ONE, 2014
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 filament in the absence of combined nitrogen.
Laura Corrales-Guerrero   +2 more
doaj   +6 more sources

Expression from DIF1-motif promoters of hetR and patS is dependent on HetZ and modulated by PatU3 during heterocyst differentiation. [PDF]

open access: yesPLoS ONE, 2020
HetR and PatS/PatX-derived peptides are the activator and diffusible inhibitor for cell differentiation and patterning in heterocyst-forming cyanobacteria. HetR regulates target genes via HetR-recognition sites.
Yaru Du   +7 more
doaj   +2 more sources

The Integrity of the Cell Wall and Its Remodeling during Heterocyst Differentiation Are Regulated by Phylogenetically Conserved Small RNA Yfr1 in Nostoc sp. Strain PCC 7120 [PDF]

open access: yesmBio, 2020
Yfr1 is a strictly conserved small RNA in cyanobacteria. A bioinformatic prediction to identify possible interactions of Yfr1 with mRNAs was carried out by using the sequences of Yfr1 from several heterocyst-forming strains, including Nostoc sp.
Manuel Brenes-Álvarez   +2 more
doaj   +2 more sources

Correction: Expression from DIF1-motif promoters of hetR and patS is dependent on HetZ and modulated by PatU3 during heterocyst differentiation. [PDF]

open access: yesPLoS ONE, 2022
[This corrects the article DOI: 10.1371/journal.pone.0232383.].
Yaru Du   +7 more
doaj   +3 more sources

Terminal heterocyst differentiation in the Anabaena patA mutant as a result of post-transcriptional modifications and molecular leakage. [PDF]

open access: yesPLoS Computational Biology, 2022
The Anabaena genus is a model organism of filamentous cyanobacteria whose vegetative cells can differentiate under nitrogen-limited conditions into a type of cell called heterocyst.
Pau Casanova-Ferrer   +2 more
doaj   +2 more sources

Regulation of Genes Involved in Heterocyst Differentiation in the Cyanobacterium Anabaena sp. Strain PCC 7120 by a Group 2 Sigma Factor SigC [PDF]

open access: yesLife, 2015
The filamentous cyanobacterium Anabaena sp. strain PCC 7120 differentiates specialized cells for nitrogen fixation called heterocysts upon limitation of combined nitrogen in the medium.
Shigeki Ehira, Shogo Miyazaki
doaj   +2 more sources

NsrM (All0345) and NsrX (Alr1976), two FurC (PerR)-targeted transcriptional regulators, modulate nitrogen metabolism and heterocyst differentiation genes in the cyanobacterium Anabaena sp. strain PCC 7120 [PDF]

open access: yesMicrobiology Spectrum
The control of nitrogen metabolism in the model cyanobacterium Anabaena sp. strain PCC7120 is a complex process orchestrated by master regulators such as NtcA, HetR, and FurC (PerR).
Jorge Guío   +8 more
doaj   +2 more sources

Spatial fluctuations in expression of the heterocyst differentiation regulatory gene hetR in Anabaena filaments. [PDF]

open access: yesPLoS Genetics, 2015
Under nitrogen deprivation, filaments of the cyanobacterium Anabaena undergo a process of development, resulting in a one-dimensional pattern of nitrogen-fixing heterocysts separated by about ten photosynthetic vegetative cells.
Laura Corrales-Guerrero   +6 more
doaj   +2 more sources

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