Analysis of cattle olfactory subgenome: the first detail study on the characteristics of the complete olfactory receptor repertoire of a ruminant

Table 5 Potential associations between cattle OR gene clusters and odorant recognition

Cattle OR Locus	Mouse and human ORs with known odorant recognition*	Cattle ORs with sequence similarity	Amino acid Sequence identity(%)	Odorant(s) recognized	Perceived odor
15-47	Olfr2	bOR6F1	89	n-aliphatic aldehydes	Fatty
15-48	Olfr653	bOR52F1	83	n-aliphatic acids/alcohols	As above
10-27	Olfr749	bOR11B3	82	n-aliphatic acids	Rancid, sour, sweaty, fatty
29-28	Olfr151	bOR8H3	81	Acetophenone	Floral/woody
15-45	Olfr480	bOR5F5	80	n-aliphatic alcohols	Herbal, woody, orange, rose
3-10	Olfr16	bOR10O3	79	Lyral	Lemony, green
10-22	Olfr49	bOR6N2	79	(−) citronellal	Lemon
15-49	Olfr642	bOR51B3	76	n-aliphatic acids	As above
19-24	OR1D2	bOR1S1P	75	Bourgeonal	Lily of the valley
15-47	Olfr154	bOR2A2	74	2-Heptanone	Fruity
15-47	Olfr690	bOR52D1	73	n-aliphatic acids/alcohols	As above
26-0	Olfr74	bOR5M3	72	Ethyl vanillin	Vanilla
15-48	Olfr661	bOR53A3P	71	n-aliphatic acids/alcohols	As above
15-50	Olfr69	bOR52O9	67	n-aliphatic acids/alcohols	As above
11-94	Olfr50	bOR1B10	66	I-carvone	Spearmint, caraway
15-48	Olfr672	bOR52A1	63	n-aliphatic acids	Rancid, sour, sweaty, fatty
15-48	Olfr683	bOR53C1	62	n-aliphatic acids/alcohols	As above
19-25	Olfr56	bOR1C6	58	Limonene	Lemon
15-49	Olfr586	bOR51C2	51	n-aliphatic acids	As above
15-51	Olfr545	bOR52K1	38	n-aliphatic dicarboxylic acids
-	OR3A1	-	-	Helional	Sweet, hay-like
-	Olfr73	-	-	Eugenol	Spicy

* The information on 22 mouse and human ORs with known odorant recognition was from [20, 21, 26–32]. Dash (−) indicates no match.

ISSN: 1471-2164