A New Facet of Vitamin B12: Gene Regulation by Cobalamin-Based Photoreceptors

S Padmanabhan, M Jost, CL Drennan… - Annual review of …, 2017 - annualreviews.org
Living organisms sense and respond to light, a crucial environmental factor, using
photoreceptors, which rely on bound chromophores such as retinal, flavins, or linear …

DNA mimic proteins: functions, structures, and bioinformatic analysis

HC Wang, CH Ho, KC Hsu, JM Yang, AHJ Wang - Biochemistry, 2014 - ACS Publications
DNA mimic proteins have DNA-like negative surface charge distributions, and they function
by occupying the DNA binding sites of DNA binding proteins to prevent these sites from …

Light-Induced Carotenogenesis in Streptomyces coelicolor A3(2): Identification of an Extracytoplasmic Function Sigma Factor That Directs Photodependent …

H Takano, S Obitsu, T Beppu, K Ueda - Journal of bacteriology, 2005 - Am Soc Microbiol
Carotenoids are produced by a variety of organisms, but the mechanisms that regulate gene
expression leading to carotenoid biosynthesis have been characterized for only a few …

Community structures and antifungal activity of root-associated endophytic actinobacteria of healthy and diseased soybean

C Liu, X Zhuang, Z Yu, Z Wang, Y Wang, X Guo… - Microorganisms, 2019 - mdpi.com
The present study was conducted to examine the influence of a pathogen Sclerotinia
sclerotiorum (Lib.) de Bary on the actinobacterial community associated with the soybean …

Survey of biosynthetic gene clusters from sequenced myxobacteria reveals unexplored biosynthetic potential

K Gregory, LA Salvador, S Akbar, BI Adaikpoh… - Microorganisms, 2019 - mdpi.com
Coinciding with the increase in sequenced bacteria, mining of bacterial genomes for
biosynthetic gene clusters (BGCs) has become a critical component of natural product …

Light‐induced carotenogenesis in Myxococcus xanthus: functional characterization of the ECF sigma factor CarQ and antisigma factor CarR

DF Browning, DE Whitworth… - Molecular …, 2003 - Wiley Online Library
Illumination of dark‐grown Myxococcus xanthus with blue light leads to the induction of
carotenoid synthesis. Central to this response is the activation of the light‐inducible …

Vitamin B12 partners the CarH repressor to downregulate a photoinducible promoter in Myxococcus xanthus

MC Pérez‐Marín, S Padmanabhan… - Molecular …, 2008 - Wiley Online Library
A light‐inducible promoter, PB, drives expression of the carB operon in Myxococcus
xanthus. Repressed by CarA in the dark, PB is activated when CarS, produced in the light …

The multifarious MerR family of transcriptional regulators

G Tulin, NR Figueroa, SK Checa… - Molecular …, 2024 - Wiley Online Library
The MerR family of transcriptional regulators includes a variety of bacterial cytoplasmic
proteins that respond to a wide range of signals, including toxins, metal ions, and …

Protein Modulator of Multidrug Efflux Gene Expression in Pseudomonas aeruginosa

DM Daigle, L Cao, S Fraud, MS Wilke… - Journal of …, 2007 - Am Soc Microbiol
ABSTRACT nalC multidrug-resistant mutants of Pseudomonas aeruginosa show enhanced
expression of the mexAB-oprM multidrug efflux system as a direct result of the production of …

Light-Triggered Carotenogenesis in Myxococcus xanthus: New Paradigms in Photosensory Signaling, Transduction and Gene Regulation

S Padmanabhan, AJ Monera-Girona, R Pérez-Castaño… - Microorganisms, 2021 - mdpi.com
Myxobacteria are Gram-negative δ-proteobacteria found predominantly in terrestrial habitats
and often brightly colored due to the biosynthesis of carotenoids. Carotenoids are lipophilic …