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Table 1 Summary of the assessment of the three protocols for different input amounts and sample degradation stages

From: A comprehensive assessment of RNA-seq protocols for degraded and low-quantity samples

RNA seq Protocol

RNA Input

1 ng

2 ng

5 ng

10 ng

20 ng

100 ng

Conclusion

TruSeq stranded mRNA

Intact

=

+

++

+++

+++

+++

+Works well at low amounts down to 5 ng

-Captures polyadenylated RNAs only

-Not suited for degraded or highly degraded samples

Degraded

*

*

*

*

*

++

Highly deg.

*

*

*

*

*

*

RiboZero stranded RNA

Intact

+

+

++

++

++

++

+Works well over all input amounts

+Captures all RNAs (coding & non coding)

+Compares well to mRNA protocol

+Well suited for degraded samples

-Requires higher sequencing depth

-Not suited for highly degraded samples

Degraded

+

+

++

++

++

++

Highly deg.

*

*

*

−−

−

−

RNA access

Intact

−

=

++

++

++

*

+Performs well on all samples down to 5 ng

+Requires less sequencing depth

+Suited for degraded and highlydegraded samples

-Captures only preselected RNAs and is only available for human samples

-Less similar to the other two protocols

Degraded

−

=

++

++

++

*

Highly deg.

−−

−

=

+

+

*

  1. A +, ++, or +++ indicates that the protocol performed (very) well on the input, = indicates borderline performance, and a – or – – indicates an unsatisfactory performance. The symbol * is used to indicate input conditions that were not tested