Transcriptional regulation of development in heterocyst-forming cyanobacteria

E Flores, S Picossi, A Valladares, A Herrero - Biochimica et Biophysica Acta …, 2019 - Elsevier
… including HetR – and in mature heterocysts, whereas HetR is needed to build … a dimer
of HetR from the heterocyst-forming cyanobacterium Fischerella sp. shows a central DNA-binding

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
… , showing the protein as a homodimer that comprises a central DNA-binding domain with two
helix-… is a serine-type protease and that this activity is required for heterocyst differentiation. …

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

A Valladares Ruiz, E Flores García… - … Microbiology, 99 (4) …, 2016 - idus.us.es
… , showing the protein as a 48 homodimer that comprises a central DNA-binding domain with
… can partially bypass the need 493 for hetR in heterocyst differentiation by Anabaena sp. …

The heterocyst regulatory protein HetP and its homologs modulate heterocyst commitment in Anabaena sp. strain PCC 7120

P Videau, OS Rivers, K Hurd… - Proceedings of the …, 2016 - National Acad Sciences
… been shown to be necessary for developing a normal percentage of heterocysts following
the induction of differentiation, here we demonstrate that it is required specifically for the timing …

The making of a heterocyst in cyanobacteria

X Zeng, CC Zhang - Annual Review of Microbiology, 2022 - annualreviews.org
… not sufficient for heterocyst differentiation, HetR is both necessary and … As a DNA-binding
protein, HetR directly or indirectly … Structural analyses of the HetR dimer provided much insight …

Functional Overlap of hetP and hetZ in Regulation of Heterocyst Differentiation in Anabaena sp. Strain PCC 7120

H Zhang, S Wang, Y Wang, X Xu - Journal of Bacteriology, 2018 - Am Soc Microbiol
… regulated by HetR and required for heterocyst differentiation. … Because the DNA-binding
activity appeared to be nonspecific… Also, HetZ was predicted to be a DNA-binding protein (20), …

Identification of a gene regulated by HetR, a master regulator of heterocyst differentiation, in the non-heterocyst-forming filamentous cyanobacterium Arthrospira …

R Koike, Y Kato, S Ehira - The Journal of General and Applied …, 2020 - jstage.jst.go.jp
… biochemical analyses of hetR (NIES39_C03480) of the non-heterocyst-forming … HetR
homodimer is a DNAbinding protein required for heterocyst differentiation, and the DNAbinding

[HTML][HTML] … Kinase of Nostoc PCC 7120 Is Required for Cell Differentiation via the Phosphorylation of HetR on a Residue Highly Conserved in Genomes of Heterocyst …

B Roumezi, X Xu, V Risoul, Y Fan, R Lebrun… - Frontiers in …, 2020 - frontiersin.org
… forms of HetR were obtained, the monomer, dimer, trimer, and … and the DNA binding motif,
further investigations are required. In … here did not affect the DNA binding activity of HetR or its …

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

P Casanova-Ferrer, S Ares… - PLoS Computational …, 2022 - journals.plos.org
… prevents DNA binding activity of HetR [15, 16] and inhibits … that it binds to the DNA only as a
dimer [70, 71]. Nevertheless, we … At the protein level: the HetR dimer needs to be activated by …

Interaction network among factors involved in heterocyst-patterning in cyanobacteria

X Xu, R Rachedi, M Foglino, E Talla, A Latifi - Molecular Genetics and …, 2022 - Springer
… between 14 factors required for cell differentiation and pattern … studied here are engaged
in more than one proteinprotein … role of HetR within the heterocyst differentiation process, it …