The making of a heterocyst in cyanobacteria

X Zeng, CC Zhang - Annual Review of Microbiology, 2022 - annualreviews.org
Heterocyst differentiation that occurs in some filamentous cyanobacteria, such as Anabaena
sp. PCC 7120, provides a unique model for prokaryotic developmental biology. Heterocyst …

A proteolytic pathway coordinates cell division and heterocyst differentiation in the cyanobacterium Anabaena sp. PCC 7120

WY **ng, J Liu, JY Zhang, X Zeng… - Proceedings of the …, 2022 - National Acad Sciences
The filamentous, multicellular cyanobacterium Anabaena sp. PCC 7120 (Anabaena) is a
prokaryotic model for the study of cell differentiation and cell-cell interactions. Upon …

CRISPR-controlled proteases

SPB van Beljouw, SJJ Brouns - Biochemical Society …, 2024 - portlandpress.com
With the discovery of CRISPR-controlled proteases, CRISPR–Cas has moved beyond mere
nucleic acid targeting into the territory of targeted protein cleavage. Here, we review the …

HetF defines a transition point from commitment to morphogenesis during heterocyst differentiation in the cyanobacterium Anabaena sp. PCC 7120

WY **ng, J Liu, CC Zhang - Molecular Microbiology, 2023 - Wiley Online Library
The filamentous cyanobacterium Anabaena sp. PCC 7120 is able to form heterocysts for
nitrogen fixation. Heterocyst differentiation is initiated by combined‐nitrogen deprivation …

Liquid-Liquid Phase Separation of the DEAD-Box Cyanobacterial RNA Helicase Redox (CrhR) into Dynamic Membraneless Organelles in Synechocystis sp. Strain …

BT Whitman, Y Wang, CRA Murray… - Applied and …, 2023 - Am Soc Microbiol
Compartmentalization of macromolecules into discrete non-lipid-bound bodies by liquid-
liquid phase separation (LLPS) is a well-characterized regulatory mechanism frequently …

PatU3 plays a central role in coordinating cell division and differentiation in pattern formation of filamentous cyanobacterium Nostoc sp. PCC 7120

L Yin, Z Zheng, Y Li, X Li, D Cheng, C Dong… - Science China Life …, 2023 - Springer
Spatial periodic signal for cell differentiation in some multicellular organisms is generated
according to Turing's principle for pattern formation. How a dividing cell responds to the …

Tradeoffs between phage resistance and nitrogen fixation drive the evolution of genes essential for cyanobacterial heterocyst functionality

D Kolan, E Cattan-Tsaushu, H Enav… - The ISME …, 2024 - academic.oup.com
Harmful blooms caused by diazotrophic (nitrogen-fixing) Cyanobacteria are becoming
increasingly frequent and negatively impact aquatic environments worldwide. Cyanophages …

Functions of the Essential Gene mraY in Cellular Morphogenesis and Development of the Filamentous Cyanobacterium Anabaena PCC 7120

J Liu, WY **ng, JY Zhang, X Zeng, Y Yang… - Frontiers in …, 2021 - frontiersin.org
Bacterial cell shape is determined by the peptidoglycan (PG) layer. The cyanobacterium
Anabaena sp. PCC 7120 (Anabaena) is a filamentous strain with ovoid-shaped cells …

The developmental regulator PatD modulates assembly of the cell‐division protein FtsZ in the cyanobacterium Anabaena sp. PCC 7120

L Wang, TC Niu, A Valladares, GM Lin… - Environmental …, 2021 - Wiley Online Library
FtsZ is a tubulin‐like GTPase that polymerizes to initiate the process of cell division in
bacteria. Heterocysts are terminally differentiated cells of filamentous cyanobacteria that …

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 …