Table 1 Variants detected in the 5-FC resistance clones.

From: Moderate levels of 5-fluorocytosine cause the emergence of high frequency resistance in cryptococci

Clone name

Mutation Type

Nt change*

AA change

Gene symbol

functional annotation

Stability of 5-FC resistance

MIC (µg/ml) by MTSTM

H99

      

0.023–0.032

HL1

Deletion

c.414GA>G

 

CNAG_02337

Fur1

stable

>32

HL4

Deletion

c.52AT>A

 

CNAG_00613

Fcy1

stable

>32

HL4

Substitution

c.898 C>A

H300N

CNAG_04784

Monosaccharide transporter

unstable

>32

HL8

Deletion

c.508GTTC>G

 

CNAG_02337

Fur1

unstable

>32

HL9

Substitution

c.120G>T

L40F

CNAG_00613

Fcy1

stable

>32

HS2

Substitution

c.235G>A

G79S

CNAG_05935

uridylate kinase

unstable

>32

R265

      

0.064–0.094

RL4

Substitution

c.952G>A

A318T

CNBG_9478

hypothetical protein

unstable

>32

RL4

Deletion

c.142GAAA>G

 

CNBG_1368

hypothetical

unstable

>32

RL4, RL5

Substitution

c.1549 G>A

A517T

CNBG_4985

hypothetical protein

unstable

>32

RL4, RS1, RS14

Deletion

c.540CTTTTTG>C

 

CNBG_4048

Fur1

un,st,st

>32

RL9, RS1, RS14, RS15

Deletion

c.75CTT>C

 

CNBG_4048

Fur2

us,st,st,st

>32

RL11

Deletion

c.1260CTA>C

 

CNBG_3227

Fcy2

stable

>32

RL11

Substitution

c.695T>C

M232T

CNBG_9545

hypothetical protein

stable

>32

RL12

Substitution

c.470 C>T

A157V

CNBG_3227

Fcy2

stable

>32

RS1

Substitution

c.569 C>T

S190F

CNBG_2198

cytoplasmic protein

stable

>32

WM276

      

0.016–0.023

WL1

Substitution

c.260 G>A

G87D

CGB_E2660C

Fur1

stable

>32

WL8

Deletion

c.829ATT>A

 

CGB_G3260C

Uxs1

unstable

>32

WL9

Deletion

c.538GTT>G

 

CGB_G3260C

Uxs1

unstable

>32

WL11

Deletion

c.460GAA>G

 

CGB_A6420C

Fcy1

stable

>32

WL15

Substitution

c.514G>T

V172L

CGB_F6195W

uridylate kinase

unstable

>32

WS13

Deletion

c.248GCT>G

 

CGB_E1620C

transposable element

unstable

>32

WS3

Deletion

c.456ATC>A

 

CGB_E2660C

Fur1

stable

>32

WS5

Substitution

c.1522GG>T

G508C

CGB_F1400C

epsilon DNA polymerase

unstable

>32

  1. *Only variants identified in the exon region are shown.