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Table 7 Diversity, frequency, and molecular features of Giardia duodenalis sequences at gdh and bg loci obtained in the children population under study, Paranaguá, Paraná, Brazil, 2015–2016

From: Prevalence of intestinal parasites, with emphasis on the molecular epidemiology of Giardia duodenalis and Blastocystis sp., in the Paranaguá Bay, Brazil: a community survey

Locus

Assemblage

Sub-assemblage

No. of isolates

Reference sequence

Stretch

Single nucleotide polymorphisms

GenBank ID

gdh

A

AII

17

L40510

78–481

None

MG807884

AII

1

L40510

78–481

C310Y

MG807885

B

BIII

1

AF069059

40–460

C171Y, T456Y

MG807886

1

AF069059

43–460

C309T, T456Y

MG807887

BIV

2

L40508

76–447

None

MG807888

1

L40508

76–496

G84R, G156R, T183Y, G294R, C345Y, T387Y, C432Y, G453R

MG807889

1

L40508

76–491

G93A, C123T, T135C, C273T

MG807890

4

L40508

80–476

G180A

MG807891

1

L40508

76–447

T183C, T387C, C432T

MG807892

BIII/BIV

1

L40508

80–485

T135Y, T183Y, G186R, C255Y, C273Y, C345Y, T366Y, C372Y, T387C, C396Y, C423Y, A438R

1

L40508

80–485

T183Y, C255Y, C273Y, T366Y, T387C, C396T, C423Y, A438R

1

L40508

80–480

T135Y, T183Y, C255Y, C273Y, G334R, C345Y, T366Y, T387C, C396Y, A438R

1

L40508

78–482

C123Y, T135Y, T183C, G186R, C255Y, C273Y, C345Y, T366Y, C372Y, T387C, A438R, T462Y

MG807893

1

L40508

80–485

T135Y, C192Y, C255Y, C258Y, C273Y, C345Y, T366Y, C372Y, T387Y, A438R, T462Y

bg

A

AII

6

AY072723

102–590

None

MG807893

1

AY072723

102–589

224delA

MG807895

1

AY072723

102–603

G277R

MG807896

1

AY072723

127–586

T469Y

MG807897

AIII

1

AY072724

102–590

G322Aa, A457Gb, A463Gc

MG807898

B

1

AY072727

105–590

None

MG807899

1

AY072727

103–590

T209Y

MG807900

 

1

AY072727

102–590

C309T, T519Y, C564Y, C567Y

MG807901

  1. Novel genotypes are underlined. Point mutations inducing amino acid substitutions are indicated with superscript letters indicating the amino acid change
  2. R: A/G; Y: C/T
  3. ap. D108N
  4. bp. R153G
  5. cp. K155E