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Taxonomy: V4.2   |  16S rRNA RefSeq: V16.03   |  Genomic RefSeq: V11.02   |  Viruses: V1.2

Genus: Neisseria

Lineage: Bacteria;Pseudomonadota;Betaproteobacteria;Neisseriales;Neisseriaceae;Neisseria
Overview: Bacteria of the genus Neisseria are abundant in the mouth, making up 2-10% of the bacteria at most oral sites.

Ecological role/importance in health and disease: Several of the 20 species of Neisseria in HOMD are common members of the normal oral microflora. For example, N. flavescens, N. perflava, and N. subflava are abundant on the tongue dorsum and N. elongata, N. mucosa, and N. oralis in dental plaque. Other species, such as N. meningitidis and N. gonorrhoeae, are human pathogens included in HOMD as reference sequences even though they are not generally detected in the mouth.
eHOMD Taxonomy (Taxon count)
LifeCellular Organisms
 DomainBacteria (835)abundance
  PhylumPseudomonadota (139)abundance
   ClassBetaproteobacteria (52)abundance
    OrderNeisseriales (32)abundance
     FamilyNeisseriaceae (32)abundance
      GenusNeisseria (20)abundance
       Species
  •        Neisseria bacilliformis (HMT-013) abundance
  •        Neisseria cinerea (HMT-956) abundance
  •        Neisseria elongata (HMT-598) abundance
  •        Neisseria flava (HMT-609) abundance
  •        Neisseria flavescens (HMT-610) abundance
  •        Neisseria gonorrhoeae (HMT-621)
  •        Neisseria lactamica (HMT-649) abundance
  •        Neisseria macacae (HMT-099) abundance
  •        Neisseria meningitidis (HMT-669) abundance
  •        Neisseria mucosa (HMT-682) abundance
  •        Neisseria oralis (HMT-014) abundance
  •        Neisseria perflava (HMT-101) abundance
  •        Neisseria polysaccharea (HMT-737) abundance
  •        Neisseria sicca (HMT-764) abundance
  •        Neisseria sp. HMT-018 (HMT-018) abundance
  •        Neisseria sp. HMT-020 (HMT-020) abundance
  •        Neisseria sp. HMT-499 (HMT-499) abundance
  •        Neisseria sp. HMT-523 (HMT-523)
  •        Neisseria subflava (HMT-476) abundance
  •        Neisseria weaveri (HMT-092) abundance