C. Smith, J. G. Patton, and B. Nadal-ginard, Alternative splicing in the control of gene expression, Annu Rev Genet, vol.23, pp.527-77, 1989.

D. Libri and M. Y. Fiszman, Épissage diffé­ rentiel des transcrits musculaires. méde­ cine/sciences, vol.6, pp.626-660, 1990.

M. Goux-pelletan, D. Libri, Y. Carafa, M. Fiszman, E. Brady et al., ln vitro splicing of mutually exclusive exons from the chicken {3-tropomyosin gene : role of the branch point location and very long pyrimidine strech, Embo j, vol.9, pp.241-250, 1990.

Y. Clouet-d'orval-b,-d'aubenton-carafa, P. Sirand-pugnet, M. Gallego, E. Brody, and M. J. , RNA secondary structure repres­ sion of a muscle-specifie exon in HeLa cell nuclear extracts, Science, vol.252, pp.1823-1831, 1991.

D. Libri, M. Lemonnier, T. Meinnel, and M. Y. Fiszman, A single gene codes for the {3-subunit of smooth and skeletal muscle tropomyosin in the chicken, J Biol Chem, vol.264, pp.2935-2979, 1989.

Y. Clouet-d'orval-b,-d'aubenton-carafa, M. J. Brady, and E. , Determination of an RNA structure involved in splicing inhibi­ tion of a muscle-specifie exon, J Mol Biol, vol.221, 1991.

D. Libri, A. Piseri, and M. Y. Fiszman, Tissue­ specifie splicing in vivo of the tropomyosin gene : dependence on an RNA secondary structure, Science, vol.252, pp.1842-1847, 1991.

K. Chebli,

R. Gattoni, P. Schmitt, G. Hild­-wein, and J. Stevenin, The 216-nucleotide intron of the ElA pre-mRNA contains a hairpin structure that permits utilization of unusually distant branch acceptors, Mol Cel/ Biol, vol.9, pp.4852-61, 1989.