The T.T. Chang Genetic Resources Center in The Philippines is the largest collection of rice diversity in the world, with more than 130,000 accessions, including genetic stocks, landraces and wild relatives.
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IRRI has a strong focus on seed conservation research, largely directed to greater longevity of seeds in storage and improved precision of predicted seed longevity. The T.T. Chang Genetic Resources Center is actively working to improve efficiency, for example by testing an automated seed sorter that will allow seed processing to take place overnight and thus free staff for other routine operations.
The genetic resources center also has a molecular genetics team working on genetic diversity and biosystematics, and using genetic markers to find beneficial versions of genes. Data are managed, maintained and made available through the International Rice Genebank Collection Information System (IRGCIS).
The Germplasm Health Unit is well established and is a recognized component of the Philippines quarantine and phytosanitary certification system with responsibilities to the Philippines Government as well as to IRRI.
Key staff
Head, T.T. Chang Genetic Resources Center: Venuprasad Ramaiah
Head of Germplasm Health Unit: Gururaj Kulkarni
Genebank Manager: Flora de Guzman
Key performance indicators of CGIAR genebanks, 2012-2018
HINT: Use the search key to filter the data. For descriptions of performance indicators, click here.| Indicator | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 |
|---|---|---|---|---|---|---|---|
| Total number of accessions | 117,164 | 121,595 | 126,593 | 127,577 | 127,917 | 130,139 | 130,465 |
| Total number of accessions that are currently available | 107,202 | 113,194 | 117,061 | 120,131 | 120,074 | 119,763 | 120,734 |
| Number of seed accessions | 117,164 | 121,595 | 126,593 | 127,577 | 127,917 | 130,139 | 130,465 |
| Number of vegetatively-propagated accessions | 0 | 0 | 0 | 0 | 0 | 0 | - |
| Number of live plant accessions | 4 | 4 | 4 | 4 | 3 | 3 | 3 |
| Number of seed accessions held in long-term storage and safety duplicated at two levels | 114,446 | 114,886 | 114,886 | 116,294 | 116,294 | 116,294 | 116,290 |
| Number of vegetatively-propagated accessions in cryopreservation or safety duplicated as in vitro | 0 | 0 | 0 | 0 | 0 | 0 | - |
Genebank operations, 2012-2018
HINT: Use the search key to filter the data| Indicator | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 |
|---|---|---|---|---|---|---|---|
| Number accessions received | 2,148 | 6 | 0 | 40 | 210 | 1,756 | 29 |
| Number accessions regenerated | 68 | 57 | 211 | 12 | 2,537 | 359 | 337 |
| Number accessions multiplied | 3,078 | 6,281 | 2,609 | 5,894 | 3,291 | 2,980 | 2,680 |
| Number accessions health tested | 18,351 | 6,120 | 6,360 | 11,934 | 8,065 | 8,789 | 11,022 |
| Number accessions cleaned | 201 | 208 | 160 | 39 | 1,376 | 99 | 162 |
| Number accessions viability tested | 18,521 | 28,453 | 54,670 | 41,309 | 21,570 | 24,364 | 24,098 |
Number of samples distributed to users within and outside the CGIAR, 2012-2018
HINT: Use the search key to filter the data. For descriptions of performance indicators, click here.| Indicator | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 |
|---|---|---|---|---|---|---|
| Number of samples distributed within the CGIAR | 31,467 | 17,625 | 28,730 | 13,423 | 26,682 | 19,992 |
| Number of samples distributed outside the CGIAR | 13,065 | 14,407 | 8,454 | 4,581 | 9,136 | 7,534 |
| Total number of samples distributed | 44,532 | 32,032 | 37,184 | 18,004 | 35,818 | 27,196 |
| Number of accessions distributed within the CGIAR | 9,929 | 11,848 | 9,013 | 11,742 | 20,239 | 16,965 |
| Number of accessions distributed outside the CGIAR | 7,931 | 10,841 | 5,539 | 3,975 | 8,989 | 7,274 |
| Total number of accessions distributed | 17,860 | 22,689 | 14,552 | 15,717 | 29,228 | 24,239 |
Publications by IRRI genebank staff in 2018
Recent publications with at least one CGIAR genebank staff as author. HINT: Use the search key to filter the data.| Authors | Article title | Publication name | URL |
|---|---|---|---|
| Halewood, M., Chiurugwi, T., Sackville Hamilton, R., Kurtz, B., Marden, E., Welch, E., Michiels, F., Mozafari, J., Sabran, M. ,Patron, N., Kersey, P., Bastow, R., Dorius, S., Dias, S,. McCouch, S., Powell, W. | Tansley review: Plant genetic resources for food and agriculture: opportunities and challenges emerging from the science and information technology revolution. | New Phytologist | READ |
| Halewood, M., Lopez Noriega, I., Ellis, D., Roa, C., Rouard, M., Sackville Hamilton, R. | Using Genomic sequence information to increase conservation and sustainable use of crop diversity and benefit-sharing. | Biopreservation and Biobanking | READ |
| Norton, G.J., Travis , A.J., Douglas, A., Fairley, S., De Paiva Alves, E., Naredo, E., McNally, K.L., Sumon, M., Islam, R., Price, A.H. | Genome wide association mapping of grain and straw biomass traits in the rice Bengal and Assam Aus Panel (BAAP) grown under alternate wetting and drying and permanently flooded irrigation. | Frontiers in Plant Science | READ |
| Wang, D., Agosto-Perez, F., Chebotarov, D., Shi, Y., Marchini, J., Fitzgerald, M., McNally, K.L., Alexandrov, A., McCouch, S.R. | An imputation platform to enhance integration of rice genetic resources. | Nature Communications | READ |
| Wang, W.S., Mauleon, R., Hu, Z.Q., Chebotarov ,D., Tai, S.S., Wu, Z.C., Li, M., Zheng, T.Q., Fuentes, R.R., Zhang, F., Mansueto, L., Copetti, D., Sanciangco, M., Palis, K.C., Xu, J.L., Chen, S., Fu, B.Y., Zhang, H.L., Gao, Y.M., Zhao, X.Q., Shen, F., Cui, X., Yu, H., Li, Z.C., Chen, M.L., Detras, J., Zhou, Y.L., Zhang, X.Y., Zhao, Y., Kudrna, D., Wang, C.C., Li, R., Jia, B., Lu, J.Y., He, X.C., Dong, Z.T., Xu, J.B., Li, Y.H., Wang, M., Shi, J.X., Li, J., Zhang, D.B., Lee , S.H., Hu, W.S., Poliakov, A., Dubchak, I., Ulat, V.J., Borja, F.N., Mendoza, J.R., Al, J., Li, J., Gao, Q., Niu, Y.C., Yue, Z., Naredo, M.E.B., Talag, J., Wang, X.Q., Li, J.J., Fang, X.D., Yin, Y., Glaszmann, J.C., Zhang, J.W., Li, J.Y., Hamilton, R.S., Wing, R.A., Ruan, J., Zhang, G.Y., Wei, C.C., Alexandrov, N., McNally, K.L.*, Li, Z.K., Leung, H. | Genomic variation in 3,010 diverse accessions of Asian cultivated rice. | Nature | READ |
| Scheben, A., Chan, C.K.K., Mansueto, L., Mauleon, R., Larmande, P., Alexandrov, N., Wing, R., McNally, K.L., Quesneville, H., Edwards, D. | Comparing progress in single-access information systems for wheat and rice crop improvement. | Briefings in Bioinformatics | READ |
| Stein, J.C., Yu, Y.S., Copetti, D., Zwick, D.J., Zhang, L., Zhang, C.G., Chougule, K., Gao, D.Y., Iwata, A., Goicoechea, J.L., Wei, S., Wang, J., Liao, Y., Wang, M.H., Jacquemin, J., Becker, C., Kudrna, D., Zhang, J.W., Londono, C.E.M., Song, X., Lee, S.H., Sanchez, P., Zuccolo, A., Ammiraju, J.S.S., Talag, J., Danowitz, A., Rivera, L.F., Gschwend, A.R., Noutsos,C., Wu, C.C., Kao, S.M., Zeng, J.W., Wei, F.J., Zhao., Q., Feng, Q., E.L., Baidouri., M., Carpentier, M.C., Lasserre, E., Cooke., R., da Rosa Farias, D., da Maia, L.C., dos Santos, R.S., Nyberg, K.G., McNally, K.L., Mauleon, R., Alexandrov, N, Schmutz J, Flowers D, Fan CZ, Weigel D., Jena, K.K., Wicker, T., Chen, M.S., Han, B,, Henry, R., Hsing, Y.I.C., Kurata, N,, Costa de Oliveira, A., Panaud, O., Jackson, S.A., Machado, C.A., Sanderson, M.J., Long, M.Y., Ware, D., Wing, R.A. | Genomes of 13 domesticated and wild rice relatives unveil genetic conservation, turnover and innovation across the genus Oryza. | Nature Genetics | READ |
| Hay, F.R.,Valdez, R., Lee, J.S., Cruz, P.S. | Seed longevity phenotyping: recommendations on research methodology. | Journal of Experimental Botany | READ |
| Lee, J.S., Wissuwa, M., Zamora, O.B., Ismail, A.M. | Novel sources of aus rice to zinc deficiency tolerance identified through association analysis using high- density SNP array. | Rice Science | READ |
| Timple, S.E., Hay, F.R. | High-temperature drying of seeds of wild Oryza species intended for long-term storage. | Seed Science and Technology | READ |
Publications by IRRI genebank staff in 2017
Recent publications with at least one CGIAR genebank staff as author. HINT: Use the search key to filter the data.| Authors | Article title | Publication name | URL |
|---|---|---|---|
| Mansueto, L., Fuentes, R.R., Borja, F.N., Detras, J., Abriol-Santos, J.M., Dmytro Chebotarov, D., Millicent Sanciangco, M., Palis, K., Copetti, D., Poliakov, A., Dubchak, I., Solovyev, V., Wing, R.A., Sackville Hamilton, R., Mauleon, R., McNally, K.L., Alexandrov, N. | Rice SNP-seek database update: new SNPs, indels, and queries | Nucleic Acids Research | READ |
| Naredo, M.E.B., Mercado, S.M.Q., Banaticla-Hilario, M.C.N., Berdos, M.L., Rodriguez, M.A., McNally, K.L., Sackville Hamilton, N. | Genetic diversity patterns in ex situ collections of Oryza officinalis wall. ex watt revealed by morphological and microsatellite markers. | Genetic Resources and Crop Evolution | READ |
| Catolos, M., Sandhu, N., Dixit, S., Shamsudin, N.A.A., Naredo, M.E.B., McNally, K.L., Henry, A., Diaz, M.G., Kumar, A. | Genetic loci enhancing grain yield and root development under variable rice cultivation conditions. | Frontiers of Plant Science | READ |
| Whitehouse, K.J., Hay, F.R., Ellis, R.H. | High-temperature stress during drying improves subsequent rice (Oryza sativa L.) seed longevity. | Seed Science Research | READ |
| Lee, J.S., Kwak, J., Yoon, M.R., Lee, J.S., Hay F.R. | Contrasting tocol ratios associated with seed longevity in rice variety groups. | Seed Science Research | READ |
| Timple, S.E., Hay, F.R. | High-temperature drying of seeds of wild Oryza species intended for long-term storage. | Seed Science and Technology | READ |
