The deforestation Amazon threatens the genetic resources of many native species in the region, among which is the genus Hevea, which is exclusively derived from the Amazon rainforest. The species Hevea brasiliensis is emblematic of this region because of its historic role in the economic development of the states that make up the Amazon, and also because it has become, in the early twentieth century, the base of the natural rubber industry in the world, which is developed mainly in Southeast Asian countries, where it employs millions of small farmers. However, due to the effect of restricting the genetic basis very strong, more than 95% of the area planted with rubber tree in the world, are planted with clones from only 5 to 10 primary trees. The genetic diversity of the species is still present in native populations in the area of natural distribution, but is endangered by the accelerated pace of deforestation.The objective of this project is to characterize the genetic diversity of populations of rubber by SNPs markers, which are detected from a database of ESTs (Expressed Sequence Tags) previously constructed and genotyped using sequencing technologies of new generation (NGS).The research activities are structured as follows: (1) collecting DNA samples from rubber trees in ex situ collections existent in Brazil. (2) Detection of SNPs in the genome and transcriptome of Hevea NGS technologies. (3) Characterization and genotyping of DNA samples with the selected SNP's. (4) Data analysis for comparison with other markers type and analysis genetic diversity.The results help to suggest forming public politics resolutions appropriate to optimize the conservation of genetic diversity of the rubber tree.Finally, all genomic resources (SNP's) generated by this project will be useful for genetic studies, the increase in rubber production, as well as a starting point to a future project to sequence the genome of the rubber.
News published in Agência FAPESP Newsletter about the scholarship: