Table 2. Block III RNAs, their protein products and germline roles.

	Block III RNA	Protein	Germline function	Referencesc
1	gld-1a,b	STAR RNA-binding protein	Oogenesis; spermatogenesis; embryogenesis	Francis et al. (1995); Jan et al. (1999)
2	larp-1a,b	La-related RNA-binding protein	Oogenesis	Nykamp et al. (2008)
3	wago-4a	Argonaute, miRNA-directed RNA-binding protein	Unknown	Vastenhouw et al. (2003)
4	ppw-2a	Argonaute	Unknown
5	prg-1a,b	Argonaute	Embryogenesis; Spermatogenesis	Wang and Reinke (2008); PIWI, Batista et al. (2008)
6	T07A9.14a	Ribosomal subunit	Oogenesis; early larval development	Green et al. (2011)
7	ifet-1b	eIF4E-transporter	Meiotic prophase; embryogenesis	Sengupta et al. (2013); Green et al. (2011)
8	cgh-1a,b	DEAD-box RNA helicase, RNA-dependent FBF-2 protein interactor	Oogenesis; spermatogenesis; embryogenesis; lowers germ cell apoptosis	Audhya et al. (2005)
				Boag et al. (2005)
9	cpb-3a	RNA-binding protein	Oogenesis; embryogenesis; lowers germ cell apoptosis	Boag et al. (2005)
10	ncl-1a	RNA-binding protein	Nucleolar function; ribosome biogenesis	Korčeková et al. (2012)
				Voutev et al. (2006)
11	car-1a,b	RNA-binding protein	Oogenesis; embryogenesis; lowers germ cell apoptosis	Audhya et al. (2005)
				Boag et al. (2005)
12	smk-1	Nuclear protein	Oogenesis; embryogenesis	Wolff et al. (2006)
13	spat-2	Low complexity protein	Embryogenesis	Labbé et al. (2006)
14	sip-1	Small heat shock protein	Embryogenesis	Linder et al. (1996)
15	egg-6	Leucine-rich repeat protein	Oogenesis; embryogenesis	Green et al. (2011)
16	trcs-1	Arylacetamide deacetylase and microsomal lipase	Oogenesis; spermatogenesis; embryogenesis; promotes germ cell apoptosis	Kubagawa et al. (2006)
17	ima-3	Importin alpha	Embryogenesis
18	kin-19	Serine/threonine kinase	Oogenesis; embryogenesis; lowers germ cell apoptosis	Shirayama et al. (2006)
19	gck-1	Germinal center kinase	Oogenesis; embryogenesis; lowers germ cell apoptosis	Schouest et al. (2009)
20	plk-3	Polo-like kinase	Unknown
21	htp-1	HORMA-domain protein	Chromatid separation	Severson et al. (2009)

^aProtein is an RNA-binding protein.

^bProtein is a P-granule component.

^cReferences are not meant to be complete. See WormBase http://www.wormbase.org/ for additional references.