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with low DNA G+C content. Syst Appl Microbiol 1999, 22:186–196.PubMed 47. Talazoparib in vivo Jacques M, Graham L: Improved preservation of bacterial capsule for electron microscopy. J Electron Microsc Tech 1989,11(2):167–169.PubMedCrossRef 48. Heydorn A, Nielsen AT, Hentzer M, Sternberg learn more C, Givskov M, Ersboll BK, Molin S: Quantification of biofilm structures by the novel computer program COMSTAT. Microbiology 2000,146(Pt 10):2395–2407.PubMed Authors’ contributions SR completed all the reactor and biofilm experiments and analysis and wrote the manuscript, KR contributed with the design of the study, designed the reactors and technical support throughout; PD performed all the SEM; JK, PB were involved in editing and revising the manuscript critically in preparation for submission. All authors read and approved the final manuscript.”
“Background Worldwide,

VAV2 tuberculosis (TB) remains one of the leading infectious diseases, accounting for nearly 3 millions deaths and over 8 million new cases annually [1]. The vast majority of TB cases occur in developing or emerging countries, particularly in Africa, South-East-Asia and the countries of the former Soviet-Union. Among them are up to 20% multidrug-resistant strains of Mycobacterium tuberculosis (MTB) [2]. In the control of the spread of TB, accurate and early laboratory diagnosis plays an important role. Diagnosis of TB relies on the detection of acid-fast bacilli (AFB) by microscopy (smear) and culture followed by identification of isolates [3]. Microscopy is rapid and inexpensive but has a low sensitivity (104 to 105 AFB per ml). Culture is slow but more sensitive, detecting as few as 102 TB bacilli per ml. So far, culture is considered the “”gold standard”" for laboratory confirmation of TB. The main disadvantage is its slowness and therewith the delay in diagnostic of TB of up to several weeks. A major breakthrough in diagnosis of TB was therefore achieved by the introduction of nucleic acid amplification techniques (NAAT) to detect M.