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ChunLab’s blog

01/29/2019

True taxonomic identities of ATCC Microbiome Standards

American Type Culture Collection (ATCC) commercially provides several standard products […]
11/05/2018

Genome-based Identification for Improving Reference Databases

Misidentified or incompletely identified bacterial genome sequences appear frequently in public […]
11/02/2018

Check List for 16S-based Microbiome Analysis

A reliable database is frequently updated, and most importantly, it […]
10/28/2018

Identification of Lachnospiraceae bacterium 5_1_63FAA

The genome sequence that is labeled as “Lachnospiraceae bacterium 5_1_63FAA” […]
10/08/2018
bacterial colony

Bacterial Nomenclature 101 and How to Describe a New Species

Jon Jongsik Chun, Ph.D.Jon is a scientist & entrepreneur dedicated […]
09/17/2018

Identification of Ruminococcus sp. 5_1_39BFAA

Many genome sequences in public databases are used in metagenomic […]
03/17/2018

Bacterial identification in clinical diagnostic laboratories using 16S rRNA sequences

Bacterial infection may be caused by either new species or […]
10/16/2017

Taxonomy of Clostridium clusters XIVa and IV

Clostridium clusters XIVa and IV are groups of bacteria that […]
05/19/2017

Bacterial species concept explained

What is a species? A species is often defined as […]
05/15/2017

Species-level microbiome analysis using EzBioCloud 16S Database

Species-level microbiome analysis using EzBioCloud EzBioCloud 16S database is designed […]
05/15/2017

Comparison between V3V4 and full-length sequencing of 16S rRNA genes

Jon Jongsik Chun, Ph.D.Jon is a scientist & entrepreneur dedicated […]
03/24/2016

Erroneous DNA G+C content data determined by HPLC and thermal melting experiments are no longer required for species descriptions

In the recent paper (Kim et al., 2015), we evaluated […]
03/23/2016

How to calculate 16S rRNA sequence similarity values for bacterial taxonomy: Why BLAST should be avoided

Nucleotide sequence similarity values are widely used for identification and […]