TABLE 1 

Twenty-one predominant OTUs with mean relative abundances of >1% in the tongue microbiota of 506 elderly adults

OTU no.Bacterial species corresponding
to each OTU (taxon ID)a
Mean relative
abundance (%)
Detection
rate (%)
OTU2Streptococcus salivarius (755)9.5 ± 8.699.4
OTU4Prevotella melaninogenica (469)9.2 ± 6.498.8
OTU1Rothia mucilaginosa (681)8.8 ± 8.199.6
OTU9Veillonella atypica (524)6.0 ± 3.2100
OTU6Neisseria flavescens (610)5.8 ± 8.389.9
OTU3Prevotella histicola (298)4.7 ± 6.090.3
OTU19Streptococcus parasanguinis II (411)4.3 ± 3.998.0
OTU10Actinomyces odontolyticus (701)3.9 ± 3.499.6
OTU7Granulicatella adiacens (534)3.3 ± 2.599.6
OTU5Haemophilus parainfluenzae (718)3.2 ± 4.094.7
OTU421Genus Neisseriab2.4 ± 5.158.3
OTU25Actinomyces sp. (172)2.2 ± 2.993.5
OTU8Fusobacterium periodonticum (201)1.8 ± 2.390.5
OTU15Prevotella pallens (714)1.5 ± 1.591.3
OTU14Porphyromonas pasteri (279)1.5 ± 2.775.5
OTU11Gemella sanguinis (757)1.3 ± 1.397.2
OTU23Actinomyces graevenitzii (866)1.3 ± 2.188.1
OTU22Streptococcus sp. (074)1.3 ± 1.593.1
OTU28Genus Streptococcusb1.3 ± 1.596.0
OTU12Leptotrichia sp. (417)1.1 ± 2.886.8
OTU17Alloprevotella sp. (308)1.0 ± 1.485.2
  • a Oral taxon IDs in HOMD are given in parentheses following bacterial names.

  • b No BLAST hit with ≥98.5% identity was found in the Human Oral Microbiome Database (HOMD).