TABLE 1.

Acanthamoeba spp. isolated from the environment and from humans

SpeciesaType strainbSequence typecGroupdIsolationeReference(s)
A. astronyxis30137T7IWater from termite colony340, 366
A. castellanii30011T4IIYeast culture70, 119, 463
A. commandoni30135T9IGarden humus90, 362
A. culbertsoni30171T10IIIMonkey kidney cell culture99, 413
A. divionensisi50238fIISoil363
A. echinulata50239ICompost363
A. griffini30731T3IISeawater bottom sample389
A. hatchetti30730T11IIHarbor sediment393
A. healyiCDC:1283:V013gT12IIIBrain tissue320
A. jacobsi30732IIIMarine sediment392
A. lenticulata30841T5IIISwimming pool313
A. lugdunensis50240T4IIPool350, 363
A. mauritaniensis50253T4IISewer sludge363
A. palestinensis30870T2IIISoil340, 367
A. pearcei50435T3ISewage sediments327
A. polyphagaCCAP1501/3AhT4IIPond340, 361
A. pustulosaj50252 (GE3a)T2IIIPool112, 350, 363
A. quina50241IISwimming pool350, 363
A. rhysodes30973T4IISoil418
A. royreba30884T4IIIHuman choriocarcinoma cells478
A. stevensoni50438T11IIShellfish beds391
A. triangularis50254T4IIHuman feces363
A. tubiashi30867T8IRiver water259
  • a Identification of strains should be based on comparisons with type strains (395).

  • b ATCC designation.

  • c Genotypes Rns T1 to T12 based on Ohio State University Acanthamoeba nuclear small-subunit ribosomal DNA (rDNA). Available at www.biosci-ohiostate/∼tbyers/byers.htm.

  • d Genera are divided into three morphological groups based on cyst size and shape (363).

  • e Original isolation of type strain.

  • f —, sequence type not yet determined (395).

  • g CDC, Centers for Disease Control and Prevention.

  • h CCAP, Culture Collection of Algae and Protozoa.

  • i A. paradivonensis may be the same as A. divionensis.

  • j A. pustulosa (A. palestinensis) 50252 GE3a.