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original-paper | 27-March-2019

Thermoregulation of Prodigiosin Biosynthesis by Serratia marcescens is Controlled at the Transcriptional Level and Requires HexS

inhibited, whereas it is synthesized at temperatures of ~ 32°C and below. In this study we used a molecular genetic approach to investigate fundamental questions of whether pro digiosin is thermoregulated at the transcriptional level or at the post-transcriptional level and what transcription factors are involved in this process. We conclude that for S. marcescens strain PIC3611, thermoregulation is controlled primarily at the transcriptional level and this requires the HexS transcription factor

ERIC G. ROMANOWSKI, KARA M. LEHNER, NATALIE C. MARTIN, KRIYA R. PATEL, JAKE D. CALLAGHAN, NICHOLAS A. STELLA, ROBERT M.Q. SHANKS

Polish Journal of Microbiology, Volume 68 , ISSUE 1, 43–50

original-report | 30-November-2020

New ABO intron 1 variant alleles

–6.0 kb from exon 1 that delete or alter transcription factor binding sites.1–14 These variants are mostly single-nucleotide substitutions, with a few large deletions and small indels, and have been found in both A and B transferase genes. Variant ABO alleles are often found in samples with unusual agglutination patterns (weak, mixed field) and in samples with typing discrepancies (forward versus reverse typing, gel versus tube methods, monoclonal versus polyclonal reagents). This report describes

K. Fennell, M.A. Keller, M.A. Villa, C. Paccapelo, M. Kucerakova, J. Rosochova, C. Clemente DosSantos, L. Brackney, C.J. Lee, R. Metcalf, G. Crovetti, M. Barbieri, S. Travali, G. Barrotta, G. Giuca, L.E. Guerra, G. Ochoa-Garay

Immunohematology, Volume 37 , ISSUE 4, 178–184

original-paper | 20-December-2021

A Novel LysR Family Factor STM0859 is Associated with The Responses of Salmonella Typhimurium to Environmental Stress and Biofilm Formation

important transcription factor family, which was proved to be related to bacterial quorum sensing, response to environmental stress, biofilm (BF) formation, and regulation of virulence (Gebhardt et al. 2020). Through bioinformatics analyses, we have revealed that STM0859 protein is a novel member of LysR transcription factor family of ST. However, so far, the regulatory roles of STM0859 in ST response to environmental stress and BF formation remain unclear. The main purpose of this study was to clarify

ZHONGMEI MA, NA LI, CHENGCHENG NING, YUCHENG LIU, YUN GUO, CHUNHUI JI, XIAOZHEN ZHU, QINGLING MENG, XIANZHU XIA, XINGXING ZHANG, XUEPENG CAI, KUOJUN CAI, QIAO JUN

Polish Journal of Microbiology, Volume 70 , ISSUE 4, 479–487

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