Abstract: Provided herein are methods and systems for absolute quantification of a target 16S rRNA and/or of a target prokaryotic taxon, based on amplifying and sequencing a same 16S rRNA recognition segment in which target 16S rRNA conserved regions flank 16S rRNA variable regions, conserved and variable among a plurality of sample 16S rRNAs and/or of a sample prokaryotic taxon of higher taxonomic rank with respect to the target taxon. In the methods and systems, absolute abundance of the a plurality of sample 16S rRNAs and/or of the sample prokaryotic taxon detected by the amplifying, is multiplied by the relative abundance of the target 16S rRNA and/or of a target prokaryotic taxon detected by the sequencing to provide the absolute quantification in accordance with method and systems of the disclosure.

Abstract: Provided herein are methods and systems and related composition, to provide a rodent model having a target microbiome profile formed by a target presence, a target proportion and/or a target total load of a target prokaryote of a target taxon, based on absolute quantification of the target prokaryote. Further provided are rodents obtained by the methods herein described and related use in testing methods performed in connection with physiological or pathological conditions in an individual preferably a human individual. Also provided herein is a tailcup device and related use to prevent coprophagia in rodents.

Abstract: Provided herein are methods and systems to selectively deplete a biological sample of host compartments and/or host nucleic acid while enriching the sample microbial compartments and/or related microbial nucleic acid. In addition, provided herein are compositions, methods and systems related to said host depletion and microbial enrichment methods and systems.

Abstract: Provided herein are methods and systems for absolute quantification of a target 16S rRNA and/or of a target prokaryotic taxon, based on amplifying and sequencing a same 16S rRNA recognition segment in which target 16S rRNA conserved regions flank 16S rRNA variable regions, conserved and variable among a plurality of sample 16S rRNAs and/or of a sample prokaryotic taxon of higher taxonomic rank with respect to the target taxon. In the methods and systems, absolute abundance of the a plurality of sample 16S rRNAs and/or of the sample prokaryotic taxon detected by the amplifying, is multiplied by the relative abundance of the target 16S rRNA and/or of a target prokaryotic taxon detected by the sequencing to provide the absolute quantification in accordance with method and systems of the disclosure.

Abstract: Provided herein are RNA markers and compositions, methods and systems for the related identification and/or uses in methods for detection of antibiotic susceptibility and resistance in a microorganism, and in particular in N. gonorrhoeae.

Abstract: Provided herein are methods and systems for absolute quantification of a target 16S rRNA and/or of a target prokaryotic taxon, based on amplifying and sequencing a same 16S rRNA recognition segment in which target 16S rRNA conserved regions flank 16S rRNA variable regions, conserved and variable among a plurality of sample 16S rRNAs and/or of a sample prokaryotic taxon of higher taxonomic rank with respect to the target taxon. In the methods and systems, absolute abundance of the a plurality of sample 16S rRNAs and/or of the sample prokaryotic taxon detected by the amplifying, is multiplied by the relative abundance of the target 16S rRNA and/or of a target prokaryotic taxon detected by the sequencing to provide the absolute quantification in accordance with method and systems of the disclosure.

Abstract: Provided herein are methods and systems and related composition, to provide a rodent model having a target microbiome profile formed by a target presence, a target proportion and/or a target total load of a target prokaryote of a target taxon, based on absolute quantification of the target prokaryote. Further provided are rodents obtained by the methods herein described and related use in testing methods performed in connection with physiological or pathological conditions in an individual preferably a human individual. Also provided herein is a tailcup device and related use to prevent coprophagia in rodents.

Abstract: Provided herein are methods and systems for absolute quantification of a target 16S rRNA and/or of a target prokaryotic taxon, based on amplifying and sequencing a same 16S rRNA recognition segment in which target 16S rRNA conserved regions flank 16S rRNA variable regions, conserved and variable among a plurality of sample 16S rRNAs and/or of a sample prokaryotic taxon of higher taxonomic rank with respect to the target taxon. In the methods and systems, absolute abundance of the a plurality of sample 16S rRNAs and/or of the sample prokaryotic taxon detected by the amplifying, is multiplied by the relative abundance of the target 16S rRNA and/or of a target prokaryotic taxon detected by the sequencing to provide the absolute quantification in accordance with method and systems of the disclosure.