The RHCE gene encodes the chicken blood system I

Table 1 Genetic resources and analysis methods used to identify the I system gene and to define chicken blood system I alleles

Source	Breed	Number of samples	I alleles	Method					References
Source	Breed	Number of samples	I alleles	DNA^a	Genomic sequence^b	4 × sequence^c	GWAS 600k^d	GWAS 54k^e	References
NIU DNA bank (pedigree)	WL, Ancona	40	I², I⁸	X	nd	X	P	nd	None
NIU DNA bank (non-pedigree)	WL, Ancona	88	I², I⁸	X	nd	X	P	nd	None
UCD001	RJF	11	unk	X	X	nd	nd	nd	[29]
UCD003	WL	16	I⁸	X	X	nd	nd	nd	[27, 28]
ADOL-15I₅	WL	3	I⁸	X	X	nd	nd	nd	[27, 30]
WL1	WL	89	I², I⁸	X	nd	X	P	X	None
WL2	WL	79	I², I⁸	X	nd	X	P	X	None
WL3	WL	46	unk	X	nd	nd	nd	nd	None
WL6	WL	140	unk	X	nd	nd	nd	nd	None
WL7	WL	34	I², I⁸	X	nd	X	P	nd	None
WL9	WL	272	unk, fixed	X	nd	nd	nd	nd	None
WPR1	WPR	46	unk	X	nd	nd	nd	nd	None
WPR2	WPR	46	unk	X	nd	nd	nd	nd	None
RIR1	RIR	60	unk	X	nd	X	nd	nd	None
ADOL 6₁	WL	seq	I²	nd	X	nd	nd	nd	[27, 30]
ADOL 7₂	WL	seq	I³	nd	X	nd	nd	nd	[27, 30]
RHC	WL	seq	I⁴	nd	X	nd	nd	nd	[27, 30]
Wellcome	WL	seq	I²	nd	X	nd	nd	nd	[27]
ADOL-15I	WL	seq	I⁸	nd	X	nd	nd	nd	[27, 30]

RIR Rhode Island Red, WL White Leghorn, WPR White Plymouth Rock, GWAS genome-wide association study, unk unknown, nd = no data, seq publicly available genome sequence, X data obtained, P pooled DNA, Ref reference citations
^aIndividual DNA available
^bPublic genomic sequence
^cMultiple individual DNA sequences
^dPooled DNA used for GWAS
^eindividual DNA used for GWAS

ISSN: 1297-9686