1NAGAI M, DAVE V, KAPLAN B E, et al. Human blood group glycosyltransferases. I. Purification of N Eacetylgalactosaminyltransferase [J]. J Biol Chem, 1978,253: 377--9.
2CAI XH,JIN S,LIU X,et al. Molecular genetic anal ysis for the B(x) subgroup revealing two novel alleles in the ABO gene [J]. Transfusion,2008, 48; 2442-- 2447.
3LI L,YANG MH,CHAK KF,et al. Three missense mutations, including a novel 860C>T transition, and allelic enhancement phenomenon associated with ABO blood subgroups A in Taiwan[J]. Transfusion,2007, 47:1014--1021.
4MORGAN W T, WATKINS W M. Unravelling the biochemical basis of blood group ABO and Lewis antigenic specificity [J]. Glycoconj J 2000;17:501--30.
5YAMAMOTO F, CLAUSEN H, WHITE T, et al. Molecular genetic basis of the histo- blood group ABO system [J]. Nature, 1990,345 : 229-- 233.
6BENNETT E P, STEFFENSEN R, CLAUSEN H, et al. Genomic cloning of the human histo--blood group ABO locus [J].Biochem Biophys Res Commun, 1995,206:318--325.
7SELTSAM A, HALLENSLEBEN M, EIZ-VESPER B,et al. A weak blood group A phenotype caused by a new mutation at the ABO locus [J].Transfusion, 2002;42:294--301.
8OLSSON M L,CHESTER M A. Frequent occurrence of a variant O1 gene at the blood group ABO locus [J]. VoxSang,1996; 70:26--30.
9DANIELS G. Human blood groups [M]. Oxford: Blackwell Scientific, Second edition, 2002:
10OGASAWARA K, YABE R, UCHIKAWA M, et al. Tokunaga K(1996a) Molecular genetic analysis of variant phenotypes of the ABO blood group system [J]. Blood, 1996,88:2732--2337.