Rice Oryza Sativa Genome, Cereal, Nipponbare, Japonica, Beijing Genomic Institute, Indica Rich, Arabidopsis, Feasible

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Rice (Oryza sativa)Genome
Rice genome is 430 Mb in size, and is constituted into a haploid complement of 12 chromosomes. It is considered to be a model system for the study of cereal genome, because on the basis of molecular maps, synteny conservation has been shown among all cereal genomes. The rice genome is also small in size, which is only three times, the size of Arabidopsisgenome, so that its sequencing was considered feasible and useful. The events that were involved in sequencing of the rice genome during 1990-2002.

A summary of the year-wise progress of rice genome sequencing

Year	Event
1991	A 7 year rice genome project at a cost of 25 million was initiated in Japan
1991	Collinearity among cereal genomes established
1993	A 5-year rice genome mapping project was initiated at a cost us 3.8 million in China
1997	An international consortium for sequencing of Nipponbare culture of japonica rice was formed
1998	IRGSP formally took shape and sequencing was targeted to be completed by 2008
2000 (April)	Monsanto announced completion of a draft of rice genome sequence with four times coverage and promised to share the data with IRGSP and individual researchers
2000 (May)	Beijing Genomic Institute (BGI) announced that it plans to sequence the genome of indica rice using whole genome shotgun (WGS) within 2 years
2001 (January)	Syngenta announced sequencing of Nipponbare genome with six times coverage using WGS
2001 (October)	BGI completed sequencing of indica rice genome using WGS
2001 (December)	IRGSP decides to aim at 10 times coverage by the end of 2002
2002	Science published Syngenta and BGI draft sequences of japonica and indica rice genomes.

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