2Sekelsky JJ,Newfeld S,Raftery LA,et al.Genetic characterization and cloning of Mothers against dpp:A gene required for decapentaplegic function in Drosophila[J].Genetics,1995,139(3):1347-1358.
3Savage C,Das P,Finelli AL,et al.Caenorhabditis elegans genes sma-2,sma-3,and sma-4 define a conserved family of transforming growth factor beta pathway components[J].Proc Natl Acad Sci USA,1996,93(2):790-794.
4Kretzschmar M,Liu F,Hata A,et al.The TGF-beta family mediator Smad1 is phosphorylated directly and activated functionally by the BMP receptor kinase[J].Genes Dev,1997,11(8):984-995.
5Moustakas A,Souchelnytskyi S,Heldin CH.Smad regulation in TGF-beta signal transduction[J].J Cell Sci,2001,114(Pt24):2354-2359.
6Fatehi AN,van den Hurk R,Colenbrander B,et al.Expression of bone morphogenetic protein2 (BMP-2),BMP-4 and BMP receptors in the bovine ovary but absence of effects of BMP-2 and BMP-4 during IVM on bovine oocyte nuclear maturation and subsequent embryo development[J].Theriogenology,2005,63(3):872-889.
7Knight PG,Glister C.Local roles of TGF-βsuperfamily members in the control of ovarian follicle development[J].Anim Reprod Sci,2003,78(3-4):165-183.
8Kingsley DM.The TGF-beta superfamily:new members,new receptors and new genetic testsof function in different organisms[J].Genes Dev,1994,8(2):133-146.
9Whitman M.Smads and early developmental signaling by the TGFbeta superfamily[J].Genes Dev,1998,12(16):2445-2462.
10Das P,Maduzia LL,Wang H,et al.The Drosophila gene Medea demonstrates the requirement for different classes of Smads in dpp signaling[J].Development,1998,125(8):1519-1528.
