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Table 4 Comparison of various aspects of targeted fingerprinting markers

From: Advances in plant gene-targeted and functional markers: a review

 

Targeted fingerprinting markers (TFMs)

 

DALP

PAAP

SRAP

TRAP

CoRAP

SCoT

Abundance

High

High

High

Medium

Medium

High

Reproducibility

Medium

Low

High

High

Medium

Medium

Polymorphism

High

Medium

High

High

Medium

Medium

Prior sequence information

No

No

No

Yes

Yes

No

Visualization

Silver stained PAGE

Agarose gel electrophoresis

Silver stained PAGE or agarose gel electrophoresis

Silver stained PAGE

Silver stained PAGE

Agarose gel electrophoresis

Specificity

Low

Low

High

High

Medium

Low

Size of bands

200-1,000 bp

200-1,200 bp

50-1,500 bp

50-900 bp

50-900 bp

200-1,500 bp

Homoplasy

Medium

High

Medium

Medium

Not reported

High

Reaction artifacts

      

i. Uniparental bands

May occur

May occur

May occur

No

No

May occur

ii. Heteroduplexes

Yes

Yes

May occur

May occur

Yes

May occur

iii. Nested priming

Yes

Yes

Yes

Yes

Yes

Yes

iv. Other

Complexity of banding patterns may increase with polyploidy

 

Limited independence of bands

Limited independence of bands

Limited independence of bands

No

Not reported

Limited independence of bands

 

Not reported

No

Overlooked co-dominancy

Overlooked co-dominancy

Overlooked co-dominancy

Overlooked co-dominancy