W. R. Hess

Interactors and effects of overexpressing YlxR/RpnM, a conserved RNA binding protein in cyanobacteria

This study identifies RNA-binding partners and functions of YlxR/RpnM in cyanobacteria, showing its role in RNA maturation, cell division, and nitrogen metabolism.

Control of a type III-Dv CRISPR-Cas system by the transcription factor RpaB and interaction of its leader transcript with the DEAD-box RNA helicase CrhR

This study identifies RpaB as a light-and redox-responsive transcription factor regulating a type III-Dv CRISPR-Cas system in Synechocystis sp. PCC 6803 and shows CrhR interacts with the leader transcript posttranscriptionally.

Discovery of Novel Replication Proteins for Large Plasmids in Cyanobacteria and Their Potential Applications in Genetic Engineering

This study identifies two novel replication proteins, CyRepX1 and CyRepX2, from a cyanobacterial plasmid and demonstrates their compatibility with existing replication systems, suggesting potential applications in genetic engineering.

Nitrite secretion by cyanobacteria is controlled by the small protein NirP1

This study identifies NirP1 as a regulator of nitrite secretion in cyanobacteria under carbon limitation, revealing its role in coordinating carbon and nitrogen metabolism.

Insight into the central and nodal cells transcriptome of the streptophyte green alga Chara braunii S276

The paper generates and compares RNA-seq data from nodal cells and whole plantlets of Chara braunii to identify transcriptomic differences related to development and function.

The role of the 5' sensing function of ribonuclease E in cyanobacteria

This study investigates the role of 5' sensing in RNase E of Synechocystis, identifying cleavage sites and demonstrating its impact on rRNA, tRNA maturation, and plasmid copy number.

Regulation of pSYSA defense plasmid copy number in Synechocystis through RNase E and a highly transcribed asRNA

The paper identifies a regulatory mechanism for pSYSA plasmid copy number in Synechocystis involving RNase E and an antisense RNA, revealing a novel replication system with implications for synthetic biology.

CvkR, a novel MerR-type transcriptional regulator, is a repressor of class 2 type V-K CRISPR-associated transposase systems

The paper identifies Alr3614 as a repressor of type V-K CRISPR-associated transposase systems in Anabaena sp. PCC 7120 through genetic and structural analyses.

Feedback regulation of RNase E during UV-stress response in the cyanobacterium Synechocystis sp. PCC 6803

The paper investigates RNase E feedback regulation in Synechocystis sp. PCC 6803 under UV stress, finding increased enzymatic activity and stabilized rne mRNA via 5' UTR autoregulation.

Expression of the cyanobacterial F0F1 ATP synthase inhibitor Atp{Theta} depends on small basic DNA-binding proteins and differential mRNA stability

This study identifies transcriptional and posttranscriptional regulators of atpT gene expression in Synechocystis sp. PCC 6803, showing mRNA stability is the major factor controlling Atp{Theta} expression under different conditions.

Atp{Theta} is an inhibitor of F0F1 ATP synthase to arrest ATP hydrolysis during low-energy conditions in cyanobacteria

This study identifies Atp{Theta} as an inhibitor of F0F1 ATP synthase in cyanobacteria, preventing ATP hydrolysis under low-energy conditions.

Transcriptome-wide in vivo mapping of cleavage sites for the compact cyanobacterial ribonuclease E reveals insights into its function and substrate recognition

The paper maps RNase E cleavage sites in Synechocystis sp. PCC 6803 using TIER-seq, revealing cleavage signatures and regulatory roles of RNase E and RNase J.

The temperature-regulated DEAD-box RNA helicase CrhR interactome: Autoregulation and photosynthesis-related transcripts

This study identifies the RNA interactome of the cyanobacterial DEAD-box helicase CrhR, revealing its role in photosynthesis and redox regulation through auto-regulation and binding of photosynthesis-related transcripts.

Discovery of a novel small protein factor involved in the coordinated degradation of phycobilisomes in cyanobacteria

The paper identifies NblD, a small protein essential for phycobilisome degradation in cyanobacteria during nitrogen starvation, showing it interacts with β-phycocyanin and is required for coordinated dismantling.

Analysis of a photosynthetic cyanobacterium rich in internal membrane systems via gradient profiling by sequencing (Grad-seq)

The paper uses Grad-seq to analyze the complexome of Synechocystis 6803, identifying potential RNA chaperones and novel RNA-protein complexes.

Specificities of and functional coordination between the two Cas6 maturation endonucleases in Anabaena sp. PCC 7120 assign orphan CRISPR arrays to three groups

This study identifies three groups of direct repeats in Anabaena sp. PCC 7120 by analyzing the specificities of two Cas6 endonucleases, showing cross-recognition and functional coordination in CRISPR-Cas systems.