Mendelian genetics to functional genomics of rice: an imperative for food security and environmental health. Buletin Persatuan Genetik Malaysia, 19 (1 & 2). ISSN 1394-5750 (2012)
Abstract
Rice is now the model species for research on higher plants particularly cereals. It received this
status as a result of numerous contributions from the time of rediscovery of Mendel’s Laws of
inheritance in the beginning of last century to the present. Some of the salient discoveries are as
follows. Van der Stoke reported for the first time Mendelian segregation in rice in 1908. Kuwada
established the basic chromosome number of rice to be 24 in 1910. The first linkage in rice was
reported by Parnell in 1917. Shastry et al. numbered the rice chromosomes in decreasing order of
length at pachytene stage of meiosis in 1960. Nagao and Takahashi proposed 12 linkage groups of
rice in 1963. Independence of linkage groups was tested by Iwata and Omura and by Khush et al. in
1984. Yamada et al. obtained regeneration from protoplasts of rice for the first time in 1985.
McCouch et al. constructed the first molecular genetics map of rice in 1988. Transgenic rice plants
were produced by three groups in 1988. A uniform system of numbering rice chromosomes was
established in 1990. Rice Genome Research Program (RGRP) started at Tsukuba, Japan in 1991.
Ahn and Tanksley constructed the comparative linkage maps of rice and maize in 1993 which led to
further development of structural genomics of cereals. Yeast artificial chromosome (YAC) library in
rice was established by RGRP and BAC library was established by Wang et al. in 1995. An
international network on rice genome sequencing was established in 1998 under the leadership of
RGRP and complete sequence was prepared by 2005. The finished quality sequence covers 95% of
389 Mb genome, including virtually all of euchromatin. A total of 37544 protein coding genes were
identified. The availability of rice sequence data ushered in the era of functional genomics. The ACDS maize transposable elements, T-DNA insertions, retrotransposons, miniature inverted repeat
transposable elements (MITES) and chemical mutagenesis have been employed to produce numerous
mutants for functional genetic studies
| Item Type: | Article |
|---|---|
| Keywords: | Mendelian genetics, Genomic of Rice, Food Security |
| Taxonomy: | By Niche > Genome > Genomes By Niche > Genome > Plant Genome Mapping |
| Local Content Hub: | Niche > Genome |
| Depositing User: | Rizana Mohd Radwan |
| Date Deposited: | 19 Jul 2024 08:54 |
| Last Modified: | 19 Jul 2024 08:54 |
| Related URLs: |
Actions (login required)
 |
View Item |