Bacterial responses to photo-oxidative stress

EC Ziegelhoffer, TJ Donohue - Nature Reviews Microbiology, 2009 - nature.com
Singlet oxygen is one of several reactive oxygen species that can destroy biomolecules,
microorganisms and other cells. Traditionally, the response to singlet oxygen has been …

Signaling diversity and evolution of extracytoplasmic function (ECF) σ factors

T Mascher - Current opinion in microbiology, 2013 - Elsevier
Extracytoplasmic function σ factors (ECFs) represent a fundamental and widely distributed
principle of bacterial signal transduction that connects the perception of a stimulus (input) …

The third pillar of bacterial signal transduction: classification of the extracytoplasmic function (ECF) σ factor protein family

A Staroń, HJ Sofia, S Dietrich, LE Ulrich… - Molecular …, 2009 - Wiley Online Library
The ability of a bacterial cell to monitor and adaptively respond to its environment is crucial
for survival. After one‐and two‐component systems, extracytoplasmic function (ECF) σ …

Genome-scale Analysis of Escherichia coli FNR Reveals Complex Features of Transcription Factor Binding

KS Myers, H Yan, IM Ong, D Chung, K Liang… - PLoS …, 2013 - journals.plos.org
FNR is a well-studied global regulator of anaerobiosis, which is widely conserved across
bacteria. Despite the importance of FNR and anaerobiosis in microbial lifestyles, the factors …

The bacterial response regulator ArcA uses a diverse binding site architecture to regulate carbon oxidation globally

DM Park, MS Akhtar, AZ Ansari, R Landick… - PLoS genetics, 2013 - journals.plos.org
Despite the importance of maintaining redox homeostasis for cellular viability, how cells
control redox balance globally is poorly understood. Here we provide new mechanistic …

Where to begin? Sigma factors and the selectivity of transcription initiation in bacteria

JD Helmann - Molecular microbiology, 2019 - Wiley Online Library
Transcription is the fundamental process that enables the expression of genetic information.
DNA‐directed RNA polymerase (RNAP) uses one strand of the DNA duplex as template to …

Singlet oxygen stress in microorganisms

J Glaeser, AM Nuss, BA Berghoff, G Klug - Advances in microbial …, 2011 - Elsevier
Singlet oxygen is the primary agent of photooxidative stress in microorganisms. In
photosynthetic microorganisms, sensitized generation by pigments of the photosystems is …

Zinc-dependent regulation of zinc import and export genes by Zur

SH Choi, KL Lee, JH Shin, YB Cho, SS Cha… - Nature …, 2017 - nature.com
In most bacteria, zinc depletion is sensed by Zur, whereas the surplus is sensed by different
regulators to achieve zinc homeostasis. Here we present evidence that zinc-bound Zur not …

Inference of interactions in cyanobacterial–heterotrophic co-cultures via transcriptome sequencing

AS Beliaev, MF Romine, M Serres… - The ISME …, 2014 - academic.oup.com
We used deep sequencing technology to identify transcriptional adaptation of the euryhaline
unicellular cyanobacterium Synechococcus sp. PCC 7002 and the marine facultative aerobe …

Photooxidative stress‐induced and abundant small RNAs in Rhodobacter sphaeroides

BA Berghoff, J Glaeser, CM Sharma… - Molecular …, 2009 - Wiley Online Library
Exposure to oxygen and light generates photooxidative stress by the bacteriochlorophyll a
mediated formation of singlet oxygen (1O2) in Rhodobacter sphaeroides. Our study reports …