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Aerococcus

Aerococcus, from Ancient Greek (aḗr), meaning "air", and (kókkos), meaning "grain", is a genus of bacterium in the phylum Bacillota (Bacteria). The genus was first identified in 1953 from samples of air and dust as a catalase-negative, gram-positive coccus that grew in small clusters. They were subsequently found in hospital environments and meat-curing brines. It has been difficult to identify as it resembles alpha-hemolytic Streptococcus on blood agar plates and is difficult to identify by biochemical means. Sequencing of 16S rRNA has become the gold standard for identification, but other techniques such as MALDI-TOF have also been useful for identifying both the genus and species.

Etymology

The name Aerococcus derives from Ancient Greek (aḗr), meaning "air", and (kókkos), meaning "grain". The name was given based on its round shape and that it was first discovered in air samples.

Species

The genus contains these species:

  • A.&nbsp;agrisoli <small>Sun et&nbsp;al., 2023</small> (from Latin *ager* “field, farm” + *solum* “soil,” “of farmland soil”)
  • A.&nbsp;christensenii <small>Collins et&nbsp;al., 1999</small>, named after Danish microbiologist Jens J. Christensen
  • A.&nbsp;kribbianus <small>Bai et&nbsp;al., 2024</small> (honours KRIBB, Korea Research Institute of Bioscience & Biotechnology)
  • A.&nbsp;loyolae <small>Choi et&nbsp;al., 2023</small> (from Latin gen. *loyolae*, “of Loyola,” referring to Loyola University Chicago, site of isolation)
  • A.&nbsp;mictus <small>Choi et&nbsp;al., 2023</small> (Latin gen. *mictus*, “of urinating,” from human urine, first source)
  • A.&nbsp;sanguinicola <small>Lawson et&nbsp;al., 2001</small> (from the Latin for “blood-dweller”)
  • A.&nbsp;suis <small>Vela et&nbsp;al., 2007</small> (Latin “of a hog”)
  • A.&nbsp;tenax <small>Choi et&nbsp;al., 2023</small> (Latin masc. adj. *tenax*, “tenacious,” referring to strong biofilm behaviour)
  • A.&nbsp;urinae <small>Aguirre & Collins, 1992</small> (Latin “of urine”)
  • A.&nbsp;urinaeequi <small>(Garvie 1988) Felis et&nbsp;al., 2005</small> (Latin “of horse urine”)
  • A.&nbsp;urinaehominis <small>Lawson et&nbsp;al., 2001</small> (Latin “of human urine”)
  • A.&nbsp;vaginalis <small>Tohno et&nbsp;al., 2014</small> (Latin *vaginalis*, “pertaining to the vagina”)
  • A.&nbsp;viridans <small>Williams et&nbsp;al., 1953</small>—type species (Latin “making green”); causative agent of gaffkaemia in lobsters.

See also

References