The December issue of MicrobiologyOpen can be viewed online now!
MicrobiologyOpen is a broad scope, peer reviewed journal delivering rapid decisions and fast publication of microbial science. The journal gives priority to reports of quality research, pure or applied, that further our understanding of microbial interactions and microbial processes.
Editor-in-Chief, Pierre Cornelis has highlighted the papers below from the latest issue:
Developing an international Pseudomonas aeruginosa reference panel
Anthony De Soyza, Amanda J. Hall, Eshwar Mahenthiralingam, Pavel Drevinek, Wieslaw Kaca, Zuzanna Drulis-Kawa, Stoyanka R. Stoitsova, Veronika Toth, Tom Coenye, James E. A. Zlosnik, Jane L. Burns, Isabel Sá-Correia, Daniel De Vos, Jean-Paul Pirnay, Timothy J. Kidd, David Reid, Jim Manos, Jens Klockgether, Lutz Wiehlmann, Burkhard Tümmler, Siobhán McClean, Craig Winstanley
Summary: Pseudomonas aeruginosa is a major opportunistic pathogen, especially in relation to cystic fibrosis. In this study a panel of 43 P.aeruginosa strains designed to reflect the diversity of this pathogen were collated.
Canonical and non-canonical EcfG sigma factors control the general stress response in Rhizobium etli
Ann Jans, Maarten Vercruysse, Shanjun Gao, Kristof Engelen, Ivo Lambrichts, Maarten Fauvart, Jan Michiels
Summary: This work explores the hierarchical relation between Rhizobium etli extracytoplasmic function sigma factors ?EcfG1 and ?EcfG2, core components of the general stress response. The authors propose a modified model for general stress response regulation in R. etli as they find that, contrary to reports in other species, ?EcfG1 and ?EcfG2 act in parallel, as nodes of a complex regulatory network, rather than in series, as elements of a linear regulatory cascade. Based on a phylogenetic analysis and considering the prevalence of ?-proteobacterial genomes with multiple ?EcfG copies, this model may also be applicable to numerous other species.
Molecular analysis of the UV-inducible pili operon from Sulfolobus acidocaldarius
Marleen van Wolferen, Ma?gorzata Ajon, Arnold J. M. Driessen, Sonja-Verena Albers
Summary: This study is an in depth analysis of the UV inducible pili system of S. acidocaldarius which is used as a community based DNA repair system. Except for UpsX, all other components of the ups pili are essential for pili formation and DNA exchange.
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