Table 1 Summary of free-living amoebae and other microorganisms from Yeoju and Yangpyeong water samples identified by the homology analysis with 18s-rRNA gene sequence.

From: Molecular detection of free-living amoebae from Namhangang (southern Han River) in Korea

Collection date

Identified free-living amoebae and microorganisms

Homology (%)

Ambient temp. (°C) (Mini/Max)

Water temp. (°C)

August 2015

Naegleria clarki

97%

20/35

26~29

Naegleria gruberi

99%

Acanthamoeba castellanii

99%

Acanthamoeba polyphaga

98%

Naelgeria philippinensis

99%

Naegleria australiensis

95%

Acanthamoeba lugdunensis

99%

Hartmannella (Vermamoeba) vermiformis

97%

Scapholeberis mucronata

—

Uncultured fungus

—

September

Tetmemena sp.

—

11/27

23~24

Stichotrichia sp.

—

Brachionus plicatilis

—

Oxytricha ferruginea

—

Uncultured ciliate

—

Uncultured eukaryote

—

October

Thalassiosira gravida

—

7/25

17~19

Scapholeberis mucronate

—

Choreotrichia sp.

—

Uncultured metazoan

—

Uncultured eukaryote

—

Uncultured fungus

—

November

Naegleria gruberi

86%

6/14

13~14

Naegleria clarki

98%

Paramecium pytrinum

—

Vorticella fusca

—

Choreotrichia sp.

—

Uncultured ciliate

—

Uncultured eukaryote

—

December

Stephanodiscus parvus

—

−10/−2

0.1~4.2

Skeletonema subsalsum strain

—

Skeletonema costatum

—

Uncultured eukaryote

—

January 2016

Stephanodiscus parvus

—

−11/−1

0.8~2.1

Paramecium putrinum

—

Synura petersenii

—

Synura glabra

—

Uncultured eukaryote

—

February

Spumella sp.

—

−5/8

3.3~4.7

Uncultured eukaryote

—

March

Mallomonas cratis

—

−2/17

8.6~12

Mallomonas tonsurata

—

Odontella rostrata

—

Synura sp.

—

Uncultured eukaryote

—

Uncultured ciliate

—

April

Stephanodiscus sp.

—

9/19

12~18

Uncultured eukaryote

—

May

Peridiniopsis penardii

—

13/25

17~19

Discostella stelligera strain

—

Hatschekia japonica

—

Thalassiosira sp.

—

Uncultured eukaryote

–—

June

Lacinularia flosculosa isolate

—

17/30

24~26

Selaginella wildenowii

—

Uncultured ciliate

—

Uncultured eukaryote

—

July

Tintinnidium balechi isolate

—

23/33

26~28

Cricetulus griseus

—

Choreotrichia sp.

—

Uncultured eukaryote

—