نتایج جستجو برای: universal primers

تعداد نتایج: 133448  

2016
Germán Bonilla-Rosso Lea Wittorf Christopher M. Jones Sara Hallin

The detection of NO-forming nitrite reductase genes (nir) has become the standard when studying denitrifying communities in the environment, despite well-known amplification biases in available primers. We review the performance of 35 published and 121 newly designed primers targeting the nirS and nirK genes, against sequences from complete genomes and 47 metagenomes from three major habitats w...

Journal: :Journal of clinical microbiology 1993
R Repp S Rhiel K H Heermann S Schaefer C Keller P Ndumbe F Lampert W H Gerlich

A nested polymerase chain reaction (PCR) protocol was developed for rapid genotyping of hepatitis B virus (HBV). During the first PCR round, a universal HBV primer pair was used to amplify the entire pre-S region of the HBV genome. Within the pre-S region, many nucleotide exchanges are observed. These are partly correlated to the serological hepatitis B surface antigen subtypes. Five additional...

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