A. Report of the Committee on Gene Symbols (A. Yoshimura and Y. Nagato) .............. 5

B. Research Notes

I. Database

1. Recent advances in Oryzabase (Integrated Rice Database), by Y. Yamazaki, A. Yoshimura, Y. Nagato and N. Kurata ........................................................... 7
   

II. Varietal differentiation and evolution

2. Aroma in rice: effects of proline supplementation and immobilization of callus cultures by, P. Suprasarma, G. Bharati, T.R. Ganapathi and V.A. Bapat ...... 9
   
   
3. Introgressions of Oryza grandiglumis chromatin into rice affect plant height and grain length, by S.N. Ahn, S.J. Kwon, J.P. Suh, K.H. Kang, H.J. Kim, H.G. Hwang and H.P. Moon........................................................................................ 12
   
   
4. Development of introgression lines of weedy rice in the background of Tongiltype Rice, by S.N. Ahn, J.P. Suh, S. Oh, S.J. Lee, and H.S. Suh ...................... 14
   
   
5. Microsatellite Assay of Rainfed Lowland Genotypes, by S. Singh, C.H.M. Vijaykumar, W. Xu, P.G. Bagali,. S. Sarkarung, R.K. Singh, O.N. Singh, V.P. Singh and Z. Li .................................................................................................... 15
   
   
6. Molecular diversity of rainfed lowland rice genotypes with varying sensitivity to drought and delayed planting, by S. Singh, C.H.M. Vijaykumar, .S. Sarkarung, R.K. Singh, O.N. Singh, H.P. Singh, V.P. Singh and Z. Li ............................... 18
   
   
7. Cultivated rice interspecific hybridization for japonica rice, by D. Tao, P. Xu, Y. Yang, J. Li, F. Hu and J. Zhou ........................................................................... 22
   
   
8. Inheritance of Japonica Upland Rice Restoration Lines and Their Restoration Gene Mapping, by D. Tao, P. Xu, J. Li, Y. Yang, F. Hu, J. Zhou, X.L. Tan and M. Jones .............................................................................................................. 23
   
   
9. Studies on crossability between two cultivated rice species Oryza sativa and O. glaberrima, by D. Tao, F. Hu, Y. Yang, Y. Zhou, H. Chen ........................... 27
   

III. Genetics of morphological traits

10. Mapping of the CROWN ROOTLESS1 gene, CRL1, by CAPS analysis, by Y. Inukai, Y. Shibata, H. Kitano, M. Ashikari and M. Matsuoka ....................... 29
    
    
11. High resolution map of DWARF 50 (D50) in rice, by K. Sato, M. Ashikari, K. Tamura, K. Mase, H. Kitano, M. Matsuoka and Y. Katayama ...................... 31
    
    
12. OVULELESS gene regulates the initial step of ovule development in rice, by S.Yamaki and Y. Nagato ........................................................................................ 33
    
    
13. ADAXIAL SNOWY LEAF gene required for the chloroplast development in adaxial mesophyll cells, by M.K. Obara, E. Hayashida, H. Satoh and Y. Nagato....... 36
    
    
14. Mapping of a gene for notched kernel found in backcross progeny of Oryza sativa L. and Oryza glumaepatula Steud., by Sobrizal and A. Yoshimura ........ 38
    
    
15. Mapping of genes for slender kernel using Oryza glumaepatula introgression lines in rice, by Sobrizal and A. Yoshimura ....................................................... 40
    
    
16. ABERRANT PANICLE ORGANIZATION 1 gene regulates the meristem organization in rice, by K. Ikeda, N. Nagasawa and Y. Nagato .................................. 42
    
    
17. Physical mapping of the GIANT EMBRYO gene in a highly recombinogenic region of chromosome 7, by N. Nagasawa, Y. Nagato and H. Sakai ................ 45
    
    
18. Root length specific SCAR marker in Rice (Oryza sativa L.), by N. Sharma, H.E. Shashidhar and S. Hittalmani ................................................................... 47
    

IV. Genetics of physiological traits and others

19. Characterization of OsSUT2 cDNA expressed before flowering stage of rice, by B. Ngampanya, T. Takeda, Y. Sonoda, J. Narangajavana, A. Ikeda and J. Yamaguchi ........................................................................................................... 49
    
    
20. One simple and rapid spectrophotometric method for screening of lipoxygenase-3-null in rice embryos, by W.B. Shen, T. Zhou, Y.H. Wang, W.W. Yu, T.Q. Zheng, H.Q. Zhai and J.M. Wan ...................................................................... 52
    
    
21. Comparative mapping of quantitative trait loci controlling the cooking and eating quality of rice (Oryza Sativa L.) in two years, by Z.F. Li, J.M. Wan, J.F. Xia, W.Y. Wang and M. Yano..................................................................................... 54
    
    
22. Detection and analysis of QTLs for ferrous iron toxicity tolerance in rice (Oryza sativa L.), by J. L. Wan, H. Q. Zhai, J. M.Wan and H. Ikehashi .................... 56
    
    
23. Transcript level of rice alternative oxidase-1a gene increases by treatment with sodium azide, an inhibitor of cytochrome c oxidase, by H. Saika, N. Tsutsumi, A. Hirai and M. Nakazono ................................................................................ 59
    
    
24. Mapping and expression of rice GAMYB, by M. Kaneko, M. Ashikari and M. Matsuoka............................................................................................................. 60
    
    
25. High-resolution mapping of glup3 gene accumulating high amount of glutelin precursor, by T. Kumamaru, Y. Uemura, Y. Takemoto, M. Ogawa and H. Satoh .................................................................................................................... 62
    
    
26. Mapping of esp1 gene for cystein-poor (CysP) prolamin decreased mutant in rice, by T. Ushijima, T. Kumamaru, M. Ogawa and H. Satoh ........................ 64
    
    
27. Genetic diversity of prolamin polypeptides in Myanmar local rice cultivars, by Pa Pa Aung, T. Kumamaru and H. Satoh ......................................................... 65
    
    
28. Genetic variation of granule-bound starch synthase (GBSS) level in Myanmar local rice cultivars, by Pa Pa Aung, A. Nishi, T. Kumamaru and H. Satoh ..... 67
    
    
29. Diversity of granule-bound starch synthase (GBSS) level in Bangladesh rice cultivars, by M.S. Jahan, T. Kumamaru, A. Hamid and H. Satoh .................. 69
    
    
30. Variation in amylopectin fine structure of Bangladesh rice cultivars, by M.S. Jahan, A. Nishi, A. Hamid and H. Satoh ........................................................... 72
    
    
31. Sh3, a gene for seed shattering, commonly found in wild rices, by Y.S. Nagai, Sobrizal, P.L. Sanchez, T. Kurakazu, K. Doi and A. Yoshimura .................... 74
    
    
32. A seed shattering gene, Sh3, and its inhibitor gene found in an African cultivated rice, Oryza glaberrima Steud., by Y.S. Nagai, K. Doi and A. Yoshimura ........ 76
    
    
33. Identification and mapping of seed shattering genes using introgression lines from wild rice species, by P.L. Sanchez, T. Kurakazu, C. Hirata, Sobrizal and A. Yoshimura ................................................................................................ 78
    
    
34. Mapping of pollen semi-sterility gene, S28(t), on rice chromosome 4, by Sobrizal, Y. Matsuzaki and A. Yoshimura ........................................................................ 80
    
    
35. Antinecrotic substances improved regeneration frequency of transgenic rice, by M. Dey, H. Jiang and R. Wu .............................................................................. 82
    
    
36. Genetic structure of a segregating CSR10 x Taraori Basmati F₃ population for salinity tolerance, by A. Kaushik, N. Sani, S. Jan, R.K. Singh and R. Jan...... 85
    
    

V. Genetics of disease and insect resistance

37. Detection and analysis of QTLs for resistance to brown planthopper, Nilaparvata lugens (Stal), in rice (Oryza sativa L.), using backcross inbred lines, by C.C. Su, H.Q. Zhai, X.N. Cheng and J.M. Wan .............................................................. 88
    
    
38. Detection of QTLs associated with antibiosis to green rice leafhopper, Nephotettix cincticeps Uhler, in four Indica rice varieties, by D. Fujita, A. Yoshimura and H. Yasui ............................................................................................................... 90
    
    
39. Genetic dissection of blast resistances at different growth stages in rice (Oryza sativa L.), by Z.-M. Rao, J.-L. Wu, J.-Y. Zhuang, R.-Y. Cha, Y.-Y. Fan, H. Leung and K.-L. Zhengh .................................................................................... 92
    
    
40. Mapping of bacterial blight resistance gene xa8 using microsatellite markers, by K. Singh, Y. Vikal, S. Singh, H. Leung, H.S. Dhaliwal and G.S. Khush ........ 94
    

VI. Gene and genome structure

41. Construction of molecular linkage map between Oryza sativa and O. rufipogon, using microsatellite markers, by T. Ishii, S. Takamatsu, H. Ito, N. Ikeda, T. Isemura and O. Kamijima ................................................................................... 97
    
    
42. Linkage relationships among Rc, slg and rfs loci on rice chromosome 7, by K. Ichitani, Y. Okumoto, M. Teraishi, T. Nakazaki, H. Yamagata and T. Tanisaka .............................................................................................................................. 100
    
    
43. Development of a new experimental line carrying a mutable slender glume gene, slg, in rice, by K. Ichitani, Y. Okumoto, M. Teraishi, T. Nakazaki, H. Yamagata and T. Tanisaka ................................................................................................... 101
    
    
44. Microsatellite diversity for chromosome number 8 in Basmati rice, by N. Jain, N. Saini, P. Rana, S. Jain and R.K. Jain ........................................................... 103