@article{mbs:/content/journal/micro/10.1099/mic.0.000414, author = "Medina-Aparicio, Liliana and Rebollar-Flores, Javier E and Beltrán-Luviano, América A and Vázquez, Alejandra and Gutiérrez-Ríos, Rosa M and Olvera, Leticia and Calva, Edmundo and Hernández-Lucas, Ismael", title = "CRISPR-Cas system presents multiple transcriptional units including antisense RNAs that are expressed in minimal medium and upregulated by pH in Salmonella enterica serovar Typhi", journal= "Microbiology", year = "2017", volume = "163", number = "2", pages = "253-265", doi = "https://doi.org/10.1099/mic.0.000414", url = "https://www.microbiologyresearch.org/content/journal/micro/10.1099/mic.0.000414", publisher = "Microbiology Society", issn = "1465-2080", type = "Journal Article", keywords = "pH", keywords = "regulation", keywords = "CRISPR-Cas", keywords = "S. Typhi", keywords = "antisense RNA", abstract = "The CRISPR-Cas system is involved in bacterial immunity, virulence, gene regulation, biofilm formation and sporulation. In Salmonella enterica serovar Typhi, this system consists of five transcriptional units including antisense RNAs. It was determined that these genetic elements are expressed in minimal medium and are up-regulated by pH. In addition, a transcriptional characterization of cas3 and ascse2-1 is included herein.", }