Understanding Plant Sex Chromosomes through Genomics
March 9, 2007| |
Several species of plants have male and female individuals. Among these plants include papaya, white campion, and asparagus. The use of genomics to study sex chromosomes of these dioecious species may help unravel mechanism of sex determination, says Ray Ming of the University of Illinois and Paul Moore of the Pacific Basin Agricultural Research Center in the US.
Knowing the mechanism of sex determination will help plant breeding and crop production by being able to generate true breeding male individuals or hermaphrodite lines. One approach being proposed by the researchers is to find and clone male-specific or female-specific regions in the sex chromosomes. Once the sequences in these regions are available, sex reversal mutants might play a role in pinpointing sex-determining genes in plants.
The review article was published in the journal Current Opinion in Plant Biology and can be accessed by subscribers at http://dx.doi.org/10.1016/j.pbi.2007.01.013.
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