Table 1 Abbreviations used in the text

From: Secondary structure information does not improve OTU assignment for partial 16s rRNA sequences

Abbreviation

Definition

DOTUR

A software package, mainly used for clustering sequences

ESPRIT

A hierarchical clustering algorithm, mainly used for clustering sequences

ESPRIT-Tree

The fast version of ESPRIT

INFERNAL

A sequence alignment algorithm considering secondary structures

MOTHUR

An improved version of DOTUR for analyzing sequences

MSA

Multiple sequence alignment

NMI

Normalized mutual information. A metric to evaluate clustering performances

NW

Needleman–Wunsch algorithm, a widely used global sequence alignment algorithm

OTU

Operational taxonomic units

PARTS

A sequence alignment algorithm considering secondary structures

PSA

Pairwise sequence alignment

TaxCollector

A set of Python scripts that attaches taxonomic information to sequences in a database

TD

Taxonomy-dependent (clustering method)

TI

Taxonomy-independent (clustering method)