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Table 1 Closest known isolates related to indicator operational taxonomic units

From: Bacterial communities on classroom surfaces vary with human contact

Greengenes genus

Pvalue

Surface type

Closest 16S NCBI isolate and accession

Isolate source environment

Sequence similarity to isolate (%)

Lactobacillus

0.001*

Chairs

Lactobacillus johnsonii NR_075064.1

Human gut

99

Corynebacterium

0.001*

Chairs

Corynebacterium resistens NR_040999.1

Human infection

99

Corynebacterium

0.001*

Chairs

Corynebacterium confusum NR_026449.1

Human clinical specimens

99

Staphylococcus

0.011*

Chairs

Staphylococcus epidermidis NR_074995.1

Human skin

99

Corynebacterium

0.001*

Chairs

Corynebacterium riegelii NR_026434.1

Human urinary tract

99

Staphylococcus

0.019*

Chairs

Staphylococcus saprophyticus NR_074999.1

Human urinary tract

99

Lactobacillus

0.001*

Chairs

Lactobacillus crispatus NR_074986.1

Human vagina

99

Lactobacillus

0.003*

Chairs

Lactobacillus acidophilus NR_075049.1

Human gut

99

Streptococcus

0.001*

Desks

Streptococcus oralis NR_102809.1

Human oral

99

Streptococcus

0.001*

Desks

Streptococcus salivarius NR_102816.1

Human oral

99

Brevundimonas

0.002*

Desks

Brevundimonas variabilis NR_037106.1

Pond water

99

Streptococcus

0.001*

Desks

Streptococcus intermedius NR_102797.1

Human purulent infection

99

CandidatusPhytoplasma

0.001*

Desks

None**

-

-

Alicyclobacillus

0.001*

Walls

Tumebacillus permanentifrigoris NR_043849.1

Soil

99

Chroococcidiopsis

0.028*

Walls

Halospirulina tapeticola NR_026510.1

Saline aquatic

96

Alicyclobacillus

0.001*

Walls

Tumebacillus permanentifrigoris NR_043849.1

Soil

98

Rhodopseudomonas

0.001*

Walls

Methylobacterium adhaesivum NR_042409

Drinking water

98

Salmonella

0.001*

Floors

Pantoea ananatis NR_103927.1

Phyllosphere

99

Roseomonas

0.001*

Floors

Roseomonas gilardii NR_029061.1

Human blood

99

Roseomonas

0.001*

Floors

Roseomonas frigidaquae NR_044455.1

Water-cooling system

99

Salmonella

0.001*

Floors

Pantoea ananatis NR_103927.1

Phyllosphere

99

  1. All extant operational taxonomic units labeled in Figure 2 (and thus influential in distance-based redundancy analysis, as well as significant indicator taxa for their respective surface type) were related to their closest known bacterial isolate using 16S rRNA sequences in the NCBI Bacteria & Archaea Isolate Database. Source environments are from each isolate’s respective published source environment. *Unadjusted P value < 0.05. **Closest known isolate 89% similar. NCBI: National Center for Biotechnology Information.