Table 1 Strains affiliation, isolating medium characteristics and physiological and genetic properties of the isolated strains

Strains affiliation (isolates)

Closest type strain / identity (acc. num.)

Name

CAA%

pH

aioA gene amplification

arsenite oxidation

cellulose degradation

Acidobacteria bacterium

Acidobacterium capsulatum ATCC 51196 / 94% (NR_043386)

(N3B)

FD2

0.01

5.5

-

-

-

Bacillus sp.

[Brevibacterium] frigoritolerans DSM 8801 / 99% (NR_042639)

(Q9*)

LB

-

7

-

-

-

Paenibacillus sp.

Paenibacillus taichungensis BCRC 17757 / 99% (NR_044428)

(Q8*)

LB

-

7

-

-

+

Cellulomonas sp.

Cellulomonas chitinilytica X.bu-b / 97% (NR_041511)

(O1)

FD1

0.01

3.5

(E10, J12, J13, J14, J16, K13 K5, K6, K8, L7, L8, L9, L11, L14, L15, P2, U3)

FD2

0.01

5.5

-

-

-

Streptomyces sp.

Streptomyces atratus NRRL B-16927 / 99% (NR_043490)

(H7)

FD2

0.01

5.5

-

-

-

Propionibacteriaceae

Luteococcus peritonei CCUG38120 / 95% (NR_028882)

(H7p)

FD2

0.01

5.5

-

-

-

Arthrobacter sp.

Arthrobacter albidus LC13 / 98% (NR_041403)

(J9)

FD2

0.01

5.5

-

-

-

Micrococcus sp.

Micrococcus yunnanensis YIM / 99% (FJ214355)

(Q7*)

LB

-

7

-

-

-

Rhodococcus sp.

Rhodococcus erythropolis N11 / 99% (NR_037024)

(U2)

FD2

0.01

5.5

-

-

-

Micromonospora sp.

Micromonospora coriariae NAR0 / 99% (NR_042314)

(X14)

1/100 YPD + 100 mg/l As(V)

-

8

+

-

+

Acidocella sp.

Acidocella facilis / 99% (NR_025852)

(Q3*, Q6*)

FD1

0.01

3.5

(I10)

FD2

0.01

5.5

-

-

-

(L5, Q1*, Q2*, Q4*, Q5*)

FD4

0.1

5.5

Acidisoma sp.

Acidisoma tundrae WM1 / 98% (NR_042705)

(K16, L2)

FD1

0.01

3.5

-

-

+

Methylorosula sp.

Methylorosula polaris V-22 / 98% (EU586035)

(N4)

FD2

0.01

5.5

-

-

-

Ancylobacter sp.

Ancylobacter dichloromethanicus DM16 / 97% (EU589386)

(X1)

CDM

-

7

-

-

-

Pseudomonas sp.

Pseudomonas psychrotolerans C36 / 99% (NR_042191)

(K7, L10)

FD2

0.01

5.5

-

-

-

Rhodanobacter sp.

Rhodanobacter ginsengisoli GR17-7 / 99% (NR_044127)

(L12, N3J, U4, U5, U7)

FD2

0.01

5.5

-

-

-

Dyella sp.

Dyella japonica XD53 / 97% (NR_040974)

(K4)

FD2

0.01

5.5

-

-

-

Xanthomonadaceae

Dokdonella koreensis DS-123 / 93% (NR_043322)

(X11)

mm126

-

5

-

-

-

Thiomonas sp.

Thiomonas cuprina NBRC 102145 / 98% (NR_041628)

(X19)

1/100 YPD + 100 mg/l As(III)

-

9.8

+

+

ND