Advances in M olecular Genetics of T iller ing Characters in R ice

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1 2006, 18 (1) : Acta Agriculturae J iangxi 1, 2 (1., ; 2., ) : ( ) : ; ; ; ; : S : A : (2006) Advances in M olecular Genetics of T iller ing Characters in R ice ZHOU J in - song 1, L IANG Guo - hua 2 ( 1. B iotechnology Center, J iangxi Academy of Agricultural Sciences, Nanchang , China; 2. College of Agronomy, Yangzhou University, Yangzhou , China) Abstract: Advances in genetic analysis, location, mapp ing, cloning, and action mechanism of tillering ( tillering ability and tillering angle) gene in rice are reviewed in this paper. Key words: R ice (O ryza sa tiva L. ) ; Tillering gene; Tillering ability; Tillering angle; M echanism,,, ;,, [ 1 ],,,,, [ 2 ] [ 3 ] [ 4 ] [ 5, 6 ],, ,, (QTL s), 27, 9 11,, QTL, QTL Xu (1991) [ 7 ], 2,,,, W u (1996) [ 8 ] RFLP QTL s QTL s 4 12 Yan (1998) [ 9 ] 1 QTL s, 1 W u (1999) [ 10 ], 5 QTL s 1 3 5, 3 (2002) [ 1 ] - NC 2,,,, ;, ; : : ( ),,,,,

2 1 : 81 (2003) [ 11 ] QTL, 8, QTL,, QTL, 1 2 QTL,, QTL, QTL [ 12, 13 ] QTL, 1 QTL, 1. 2, 17 ( http: / /www. gramene. org/ index. ht2 m l), ( MOC1 [ 14 ] ) (2001) [ 15 ] 630 / G069,,, 02428, BC 2 F 2 BC 2 F 2, G069 BC 2 F 2, SSR RFLP, 2 RFLP C424 S13984, cM, ft1 ( 2002) [ 16, 17 ] EMS 89 (O ryza sative L. indica, JX89), M 2 1, 1, 2000, ext37, ext37 M 3 M 4 JX89 5 ( FAZ - 5) F 1 F 2, TaiTo Takeda (2003) [ 18 ] O stb1 3, RFLP C944 (2003) [ 19 ] H89025 moc1,,, F 2, MOC1 6 RFLP R1559 S kb DNA Yoshim ichi Fukuta ( 2004) [ 20 ] A ikawa1 Shuho L tn ( t), 8 SSR RM149 RFLP XNpb56 Shiji Ishikawa ( 2005) [ 21 ] 5, Id3 1, 6 RM5199 RM kb DNA, d3,, 2 [ 22 ],, 2 :, 1 Takahashi(1963) [ 23 ] la Takahashi ( 1968) [ 24 ] er Kinoshita (1974) [ 25 ] d20 ( 1986),, F 1, F [ 26 ] Yamamoto (1997) [ 27 ], Spk ( t), 9 la, Kishimoto ( 1992) [ 28 ] Abenes ( 1994) [ 29 ] 11. Abe (1996) [ 30 ],, la,, (2003) [ 31 ] Khush la ( k),, la, la - 2,

3 82 18 la - 1 la - 2 w F 2 LA, cM,, (QTL s) (1993) [ 32 ] F 2 :,, 3 L i (1999) [ 33 ] Lemont F 2 4, 1 Ta 9 RZ228 RG667, 4 QTL (Q Ta1 Q Ta2 Q Ta5 Q Ta8) (2001) [ 34 ] 1 F 1 DH (QTL s), QTL s( qta - 9a qta - 9b qta - 12), 22. 7% 11. 9% 20. 9%, (2005) [ 35 ], 2, 2 QTL s,, qta8-2 LOD 21. 7, 23. 2%, qta9-2 LOD 22. 0, 19. 5% ; 2 QTL s G E ; 3, 7. 69%, 3,, 3, 1 [ 14, 19 ] MOC1, O stb 1 [ 19 ] D3 [ 21 ] MOC1, [ 14, 19 ] moc1, MOC1 20kb DNA,MOC1 L a teral suppressor(ls ) 44%, GRAS, VH IID, MOC1, 2 OSH1 O stb 1 MOC1 moc1,moc1,,, MOC1 ;, MOC1 [ 14, 19 ], MOC1 MOC1 LS LAS, [ 36 ] O stb 1, TaiTo Takeda [ 18 ] TB 1 ( Teosin te branched 1) [ 36, 37 ] PCR DNA 3626bp, O stb 1 TB 1 TCP, TCP - - DNA O stb 1, O stb 1 TB 1 Kasalath 3 20bp, O stb 1 O stb1,, fc1 ( fine culm1) O stb1 [ 18 ],, fc1 O stb1 327 (C - base),, O stb1 O stb 1 TB 1,, [ 18, 36 ] D3, Shiji Ishikawa [ 21 ] Id3, 16. 7kb DNA, RGAAS DNA, 1, D3,, D3 MAX2 /OR E9, F - box LRR, F - box N, (LRR ) DNA, Id3 D3

4 1 : bp, D3 154, D3 MAX2 /ORE9, 4, :,,,,, [ 14 ] Du2 lar 2, 2,,,?,,,,, revoluta, p inhead, lateral supp ressor [ ls] and blind / torosa, more axillary growth [max ], ramosus [ rm s], Teosinte branched1 [ Tb1 ] and decreased ap ical dom inance [ dad ], supershoot/ bushy [ 36, 37 ], [ 36 ] MOC1 LS O stb 1 TB 1 D3 MAX2 /ORE9,,,,,,,,,,,, [ 14, 19 ], MOC1,, Shiji Ishikawa [ 21 ],,,,,, [ 30 ], : MOC1,, [ 14, 19 ] O stb 1 [ 14 ] D3, MOC1 O stb 1 D3 3,,,,,,,, QTL s, 1 QTL, ;, m oc1 fc1 D3 3 3,,,,,,, : [ 1 ],,,. [ J ]., 2002, 35 (9) : [ 2 ]. [ J ]., 1995, (3) : [ 3 ]. [ J ]., 1997, 30 (4) : [ 4 ],. [ J ]., 1997, 30 (1) :

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