De novo characterization of the gene-rich transcriptomes of two color-polymorphic spiders, Theridion grallator and T. californicum (Araneae: Theridiidae), with special reference to pigment genes

Table 4 Occurrence of Drosophila ommochrome and pteridine pigment-pathway-associated genes in T. californicum and T. grallator transcriptome assemblies as identified by reciprocal- blast -hit (RBH) analysis

Pigment pathway ¹	Gene symbol	Gene name	Selected references	T. californicum	T. grallator
Pigment pathway ¹	Gene symbol	Gene name	Selected references	RBH ²	RBH
Pteridine	ade3	adenosine3	[36]	⇔	⇔
	Aprt	adenine phosphoribosyl transferase	[36]	⇔	⇔
	Prat	Phosphoribosylamidotransferase	[36]	⇔	⇔
	bur	burgundy (GMPS)	[36]	⇔	⇔
	ras	raspberry	[36]	⇒A	⇒A
	bw	brown ³	[52, 53]	⇒	⇒
	cl	clot	[38]	⇔	⇔
	DhpD	Dihydropterin deaminase	[14]	NA	NA
	Hn	Henna	[36, 37]	⇔	⇔
	mal	maroon-like (CG1665)	[54]	⇔	⇔
	Pu	Punch	[36]	⇔	⇔
	pr	purple	[36]	⇔	⇔
	se	sepia	[35–38]	⇒	NA
Ommochrome	cd	cardinal	[55–58]	⇒	⇒
	cn	cinnabar	[55]	⇔	⇔
	kar	karmoisin	[52, 55, 59]	⇔	⇔
	st	scarlet ³	[52, 53]	⇒	⇒
	v	vermillion	[55]	⇔	⇔
	w	white ³	[52, 53]	⇔	⇔
	z	zeste	[55, 56]	NA	NA
	KFase	Kynurenine formamidase	[52, 60]	NA	NA
Ommochrome & Pteridine “granule group”	cm	carmine	[56, 61]	⇒A	⇒A
	car	carnation	[56, 61]	⇔	⇔
	ca	claret	[62]	⇔	⇔
	or	orange	[57, 61]	⇔	⇔
	dor	deep orange	[56, 61]	⇔	⇔
	g	garnet	[56, 61]	⇔	⇔
	lt	light	[56, 61]	⇔	⇔
	ltd	lightoid	[63]	⇔	⇔
	p	pink	[56, 61]	⇔	⇔
	rb	ruby	[56, 61]	⇔	⇔

¹Indicates pigment pathways with which these genes can be broadly associated (see Additional file 3: Table S5).
²⇒: tblastn hit (E < 1×10-5) between the D. melanogaster protein and a transcript in the spider transcriptome; ⇔Reciprocal blast hit (RBH) (blastx, E < 1×10-5) between best tblastn hit and Uniprot-Uniref-100 database; 'A’ Verified by Blast2Go pipeline annotation (only if ⇒ or NA).
³White/Scarlet/Brown complex not distinguishable by RBH.

ISSN: 1471-2164