Table 1. Different opinions about transcriptional activity in mature sperm.

Opinions	References	Species	Method
Post-meiotic transcription	Welch et al., 2006	Rat	Northern blotting
	Barreau et al., 2008	Drosophila	Situ hybridization
The transcripts in sperm vary with different sperm motilities	Lambard et al., 2003	Human	RT-PCR
	Lambard et al., 2004	Human	RT-PCR
	Li et al., 2007	Mouse and human	RT-PCR
	Jodar et al., 2012	Human	qPCR
	Chen et al., 2012	Human	qPCR
	Ganguly et al., 2013	Bull	qPCR
The transcripts in sperm vary with capacitation	Lambard et al., 2004	Human	RT-PCR
	Lee et al., 2011	Human	Microarrays
The transcripts in sperm vary with cryopreservation	Ostermeier et al., 2005	Human	Microarray
	García-Herrero et al., 2011	Human	Microarray
	Valcarce et al., 2013	Human	qPCR
	Chen et al., 2015	Bull	Microarray