Table 1 Comparison of the Giardia duodenalis genome.

From: A chromosome-scale genome assembly of Giardia duodenalis by long-read sequencing of ten trophozoites

Statistic

WB

WB-C6

Be-2

g12a2*

Report year

20075

201914

20227

2024 (this study)

Life-cycle stage

Trophozoites

Trophozoites

Cysts

Trophozoites

No of trophozoites/cycts

—

2.3 × 108

1.0 × 108

10

Sequencing instrument

LI-COR, ABI3700

PacBio R SII

MinIONR9.4.1

Nanopore PromethION 48

PacBio Revio

Reads

224,000

411,835

148,144

2,966,909

1,618,041

Bases

—

3.6 billion

—

11.5 billon

12.1 billion

Assembler

ARACHNE2.0

HGAP3

Flye

Canu, MECAT2, RagTag

Genome size (Mbp)

11.7

12.1

11.4

11.1

Total ungapped length (Mbp)

—

11.7

11.4

11.1

Gaps

137

35

1

13

Gap size (Mbp)

1.6

4

0.01

0.4

Number of chromosomes

5

5

5

5

Number of scaffolds

306

35

5

5

Number of contigs

92

38

6

5

Contig N50 (Mbp)

—

2.8

3.0

3.1

Contig L50

—

2

2

2

GC percent

49.0%

46.3%

49.5%

49.2%

Genome coverage

11x

217x

84x

1027x

1086x

Assembly level

Contig

Chromosome

Chromosome

Chromosome

  1. Note: *g12a2 refers to the genome name obtained by sequencing in this study.