Table 4 Minimal sequencing depth to achieve an assembly with a similar quality to assemblies obtained with depth ≥ 100X data under the same strategy and assembler.

From: Benchmarking genome assemblers for four bacterial models based on contiguity, correctness, and completeness

Model

Assembly parameters

Short-reads only

Long-reads only

Hybrid

Megahit

Unicycler

Canu

Unicycler

Wengan

Unicycler

B. henselae

Depth for short-reads

25X

25X

-

200X*

25X

Depth for long-reads

25X

25X

100X*

25X

E. coli

Depth for short-reads

12.5X

12.5X

-

50X

12.5X

Depth for long-reads

25X

25X

25X

12.5X

P. aeruginosa

Depth for short-reads

25X

25X

-

400X**

25X

Depth for long-reads

 

25X

25X

25X

12.5X

X. fastidiosa

Depth for short-reads

12.5X

12.5X

50X

12.5X

Depth for long-reads

12.5X

12.5X

12.5X

6.5X

  1. * Genome assembly was only achieved using this minimal value (i.e. no genome sequence was obtained using lower depths).
  2. ** Genome assembly was achieved with lower depths but with a reduced quality.