[HTML][HTML] Cardiolipin and the osmotic stress responses of bacteria

T Romantsov, Z Guan, JM Wood - Biochimica et Biophysica Acta (BBA) …, 2009 - Elsevier
… The polar concentration of CL was not contingent on the presence of ProP (Romantsov and
Wood, unpublished data). When FlAsH-labeling was used to visualize ProP homologue LacY…

Cardiolipin promotes polar localization of osmosensory transporter ProP in Escherichia coli

T Romantsov, S Helbig, DE Culham, C Gill… - Molecular …, 2007 - Wiley Online Library
The osmolality required to activate osmosensory transporter ProP and the proportion of
cardiolipin (CL) among the phospholipids of Escherichia coli rise with growth medium osmolality. …

The action of cardiolipin on the bacterial translocon

…, A Robson, H Bao, T Romantsov… - Proceedings of the …, 2010 - National Acad Sciences
Cardiolipin is an ever-present component of the energy-conserving inner membranes of
bacteria and mitochondria. Its modulation of the structure and dynamism of the bilayer impacts …

Multisubstrate isotope labeling and metagenomic analysis of active soil bacterial communities

…, S Mortimer, J Lavigne, J Montalibet, T Romantsov… - MBio, 2014 - Am Soc Microbiol
Soil microbial diversity represents the largest global reservoir of novel microorganisms and
enzymes. In this study, we coupled functional metagenomics and DNA stable-isotope …

Protein Localization in Escherichia coli Cells: Comparison of the Cytoplasmic Membrane Proteins ProP, LacY, ProW, AqpZ, MscS, and MscL

T Romantsov, AR Battle, JL Hendel… - Journal of …, 2010 - Am Soc Microbiol
Fluorescence microscopy has revealed that the phospholipid cardiolipin (CL) and FlAsH-labeled
transporters ProP and LacY are concentrated at the poles of Escherichia coli cells. The …

[HTML][HTML] Cardiolipin controls the osmotic stress response and the subcellular location of transporter ProP in Escherichia coli

T Romantsov, L Stalker, DE Culham… - Journal of biological …, 2008 - ASBMB
The phospholipid composition of the membrane and transporter structure control the
subcellular location and function of osmosensory transporter ProP in Escherichia coli. Growth in …

[HTML][HTML] Functional metagenomics reveals novel β-galactosidases not predictable from gene sequences

J Cheng, T Romantsov, K Engel, AC Doxey, DR Rose… - PLoS …, 2017 - journals.plos.org
The techniques of metagenomics have allowed researchers to access the genomic potential
of uncultivated microbes, but there remain significant barriers to determination of gene …

Cardiolipin synthase A colocalizes with cardiolipin and osmosensing transporter ProP at the poles of Escherichia coli cells

T Romantsov, K Gonzalez, N Sahtout… - Molecular …, 2018 - Wiley Online Library
… ) expressing MVCCPGCC-ProP, MVCCPGCC-T18-ProP or MVCCPGCC-T25-ProP were
grown in low osmolality MOPS medium to exponential phase as described (Romantsov et al., …

[PDF][PDF] Internal structure and dynamics of isolated Escherichia coli nucleoids assessed by fluorescence correlation spectroscopy

T Romantsov, I Fishov, O Krichevsky - Biophysical journal, 2007 - cell.com
… of the correlation functions G1(t) and G2(t), ie, their asymptotic values at short timescales.
Thus we will start by considering correlation functions for t / 0. Using Eqs. 1 and 2, we have …

Roles of K+, H+, H2O, and ΔΨ in Solute Transport Mediated by Major Facilitator Superfamily Members ProP and LacY

DE Culham, T Romantsov, JM Wood - Biochemistry, 2008 - ACS Publications
H + -solute symporters ProP and LacY are members of the major facilitator superfamily. ProP
mediates osmoprotectant (eg, proline) accumulation, whereas LacY transports the nutrient …