Literature References 
1. Seidman, J., Edgell, M , and Leder, P., Immunogiobin light- 
chain structural gene sequences cloned in a bacterial plasmid. 
Nature 271, 582-585, 1977. 
2. Seidman, J., Leder, A., Edgell, M.H., Polsky, F., Tilghman, 
S.M., Tiemeier, D.C., and Leder, P., Cloning and characteriza¬ 
tion of two closely related mouse immunogiobin kappa chain 
variable region genes. Proc. Natl. Acad. Sci. 75, 3881 -3885, 
1978, 
3. Tilghman, S., Tiemeier, D., Polsky, F,, Edgell, M., Seidman, J., 
Leder, P,, Enquist, L., Norman, B,, and Leder, A., Cloning spe¬ 
cific segments of the mammalian genome: Bacteriophage A 
containing mouse globin and surrounding gene sequences: 
Proc. Natl. Acad. Sci. 74, 4406-4410, 1977. 
Leder, P., Tilghman, S., Tiemeier, D., Polsky, F., Seidman, J., 
Edgell, M., Enquist, L., Leder, A., and Norman B., Thecloning of 
mouse globin and surrounding gene sequences in bacterio¬ 
phage A Cold Spring Harbor Symp. 42, 915-920, 1977. 
4. Tiemeier, D.C., Tilghman, S.M., Polsky, F.I., Seidman, J.G., 
Leder, A., Edgell, M.H,, and Leder, P., A comparison of two 
cloned mouse /3-globin genes and their surrounding and inter¬ 
vening sequences. Cell 14, 237-245, 1978. 
5. Seidman, J.G., Leder, A., Edgell, M.H., Polsky, F., Tilghman, 
5. M., Tiemeier, D C., and Leder, P., Cloning and characteriza¬ 
tion of two closely related mouse immunogiobin kappa chain 
variable region genes. Proc. Natl. Acad. Sci. 75, 3881-3885, 
1978. 
6. Ibid. 
7. Leder, A. Miller, H., Hamer, □., Seidman, J.G., Norman, B., 
Sullivan, M,, and Leder, P., Comparison of cloned mouseaand 
/3-globln genes: Conservation of Intervening sequence loca¬ 
tions and extragenic homology. Proc. Natl. Acad., Sci., 75, 
6187-6191, 1978. 
8. Wickens, M.P., Bevell, G.N., Crouse, G F., Carbon, J., and 
Schimke, R.T., Restriction map of the region surrounding the 
EcoRI site in the pCRI plasmid and analysis of an inserted 
ovalbumin gene. GENE, 1979, in press. 
9. Innis, M A., and Miller, D.L., Quantitation of rat alpha fetopro¬ 
tein messenger RNA with a complementary DNA probe. J. Biol. 
Chem. 252, 8469-8475, 1977. 
10. Innis, M.A., Harpold, M.M., and Miller, D.L., Amplification of 
alpha fetoprotein cDNA by insertion into a bacterial plasmid. 
Arch. Biochem. and Biophys., 1979, in press. 
11. Lehrach, H., Frischauf, A.M., et at, Construction and char¬ 
acterization of a 2.5 kb procollagen clone. Proc. Natl. Acad. 
Sci., 75, 5417-5421, 1978. 
12. Schibler, U., Marcu, K.B., and Perry, R.P., The synthesis 
and processing of the mRNA specifying heavy and light chain 
immunogiobin in NPC-11 cells. Cell, 15, 1495-1511, 1978, 
13. Marcu, K.B., Schibler, U., and Perry, R.P., The nuclear 
transcripts of mouse heavy chain immunogiobin genes contain 
only the expressed class of C-region sequences. Science, 
1979, in press. 
14. Little, P., Curtis, P, et al. Isolation and partial sequence of 
recombinant plasmids containing human a, /3 and Y-globin 
cDNA fragments. Nature, 273, 640-643, 1978. 
15. Blattner, F.R., Williams, B., et al, Charon phages: Safer 
derivatives of bacteriophage lambda for DNA cloning. Science, 
196, 161-169, 1977. 
16. Wahli, W., Ryffel, G.U., Wyler, T., Jaggi, R.B., Weber, R., and 
Dawid, I.B,, Cloning and characterization of synthetic sequen¬ 
ces from the Xenopus laevis vitellogenin structural gene. 
Develop. Biol., 67, 371-383, 1978, 
17. Wahli, W., and Dawid, I.B,, Vitellogenin in Xenopus laevis is 
encoded in a small family of genes. Cell, 1979, in press. 
18. Salser, W.A., Cummings, I., Liu, A., Strommer, J., Padayatty, 
J., and Clarke, P., Analysis of chicken globin cDNA clones: Dis¬ 
covery of a novel chicken alpha globin gene induced by stress 
in young chickens in "Ceilular and Molecular Regulation of 
Hemoglobin Switching.” (Stamatoyannopoulos, G., and Nein- 
huis, A.W., eds) Grume and Stratton, publishers, 1979. 
19. Rogers, J.H., and Salser, W., Mapping of the HI recombi¬ 
nant plasmid and identification of immunogiobin a chain cod¬ 
ing sequences, manuscript in preparation. 
20. Young, N.S., Benz, E.J. Jr,, Kantor, J.A., Kretschmer, P.J., 
and Nienhuis, A.W., Hemoglobin switching in sheep: Only the 
gamma gene is in the active conformation in fetal liver but all 
the /3 and genes are in the active conformation in bone mar¬ 
row. Proc, Nat'l. Acad. Sci., 75, 5884-5889, 1978. 
21. Benz, E.J. Jr., Kretschmer, P.J., Geist, C.E., Kantor, J.A,, 
Turner, P.A. and Nienhuis, A.W., Hemoglobin synthesis in 
sheep: Synthesis, cloning and characterization of DNA 
sequences coding for [53, /3c and VmRNA's., J. Biol. Chem., 
1979, In press. 
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