Promoter Characterization in the AT-Rich Genome of the Obligate Endosymbiont ``Candidatus Blochmannia floridanus''

Autor(en): Stoll, Sascha
Feldhaar, Heike
Gross, Roy
Stichwörter: BACTERIAL ENDOSYMBIONTS; EVOLUTION; EXPRESSION; Microbiology; SEQUENCE; SYMBIONT
Erscheinungsdatum: 2009
Herausgeber: AMER SOC MICROBIOLOGY
Journal: JOURNAL OF BACTERIOLOGY
Volumen: 191
Ausgabe: 11
Startseite: 3747
Seitenende: 3751
Zusammenfassung: 
The characterization of transcriptional start sites of 14 genes encoded by the extremely AT-rich genome of ``Candidatus Blochmannia floridanus'' revealed a high degree of conservation with the RpoD promoter consensus sequence of the free-living relative Escherichia coli. Moreover, in agreement with the presence of the alternative heat shock sigma factor RpoH in ``Ca. Blochmannia,'' typical RpoH-dependent promoters were identified. However, no heat shock response resembling that of E. coli could be detected in ``Ca. Blochmannia.''
ISSN: 00219193
DOI: 10.1128/JB.00069-09

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