Cross-species hybridizations on a multi-species cDNA microarray to identify evolutionarily conserved genes expressed in oocytes

Table 2 Clones preferentially expressed in oocyte and conserved across species.

Species^a	Gene name (symbol)^bc	GenBank Accession no^b	% identity^b	e value^b
Bos taurus	Bt 675_bovine oocyte cDNA subtracted library	CX123770	100	0.0
Xenopus laevis	Xl AGENCOURT_10748348 Wellcome CRC pSK egg clone	CA974130	92	e-153
Bos taurus	Hs B-cell translocation gene 4 (BTG4)	NM_017589	89	0.0
Mus musculus	Mm Bone morphogenetic protein 15 (Bmp15)	BC055363	97	0.0
Mus musculus	Mm Expressed sequence C87414	BC052888	100	0.0
Bos taurus	Bt Growth differentiation factor 9 (GDF9)	AF307092	99	0.0
Bos taurus	Bt Hypothetical protein LOC616433	XM_881654	99	0.0
Mus musculus	Mm NACHT, leucine rich repeat and PYD containing 14 (Nalp14)	NM_001002894	98	0.0
Xenopus laevis	Xl NICHD_XGC_OO1 clone IMAGp998K1111210	BX843422	99	0.0
Mus musculus	Mm Nucleophosmin/nucleoplasmin 2 (Npm2)	NM_181345	98	0.0
Mus musculus	Mm Oogenesin 1 (Oog1)	AB050008	99	0.0
Bos taurus	Hs Polyadenylate binding protein-interacting protein 1 (PAIP1)	NM_183323	93	0.0
Xenopus laevis	Xl Protein arginine methyltransferase 1 (PRMT1)^d	AB085173	99	0.0
Xenopus laevis	Xl Protein tyrosine phosphatase, receptor type Q (PTPRQ)	XM_370699	95	0.0
Mus musculus	Mm Similar to Nur77 downstream protein 1 (Ndg1)	XM_355193	99	0.0
Bos taurus	Bt Similar to zinc finger protein 678 (ZF678)	XM_601114	88	6e-68
Bos taurus	Bt Small fragment nuclease (SMFN)^d	XM_591769	99	0.0
Mus musculus	Mm Spindlin (Spin)^d	BC016517	100	0.0
Mus musculus	Mm Zona pellucida glycoprotein 2 (Zp2)	NM_011775	99	0.0

^a Species of the clone expressed in oocyte and conserved across species.
^b Based on the BLAST results of the clone sequences compared against the GenBank database.
^c Bt; Bos taurus, Hs; Homo sapiens, Mm; Mus musculus, Xl; Xenopus laevis.
^d Candidates validated by RT-PCR and gene-specific microarray.

ISSN: 1471-2164