Thursday, August 13, 2009

Predicting Future Genes

Predicting Future Genes.

From Article: Molecular Ecology of Global Change
Article by: THORSTEN B. H. REUSCH and TROY E. WOOD

Recent studies on Global environmental change has found that there is evidence that it is altering the genetic traits for all biology; such information can be used to predict future genes in Organisms. The key factors as climatic variables and increase in CO2 concentration in the atmosphere were looked at. It was found that Genomes are susceptible to rapid evolution to global climate change at phenotypic genetic levels, as a response to changes in Ecological factors such as increase in CO2. The study finds that Genetic Traits that have mainly changed in model species are photoperiod responses, stress tolerance and traits associated with enhanced dispersal and reproduction. The genetic basis of changing traits with a defining role under climate change, stress tolerance and photoperiod behavior, is just recently starting to be understood for organisms, providing a point for selective gene approaches and future studies in targeted species.

The study has documented evolutionary changes are correlative, while in depth experiments that manipulate variables have been rare. These are Important for prediction because they provide large insight into heritable change to simulated conditions that exist today and may be present in the future. The growing knowledge available to molecular ecologists holds great promise for identifying the genetic basis of many more traits relevant to morph under global change. Moreover, knowledge of the genetic architecture of trait correlations should provide the necessary framework to aid understanding limits to phenotypic evolution; and allow greater understanding of metabolic costs and tolerance, in relation to climatic variations which forms linkages possibly causing negative trait correlations. Because adaptation to changing environment is always contingent upon the vast distribution of genes among earth’s species, high-resolution estimates of gene flow should be used to inform predictions of evolutionary changes that may be there to expect.


- Link to article:
http://www3.interscience.wiley.com.ezproxy.library.uq.edu.au/cgi-bin/fulltext/117989803/HTMLSTART
- Tables can be found via side tabs from article page


Student: Pranay Nath
42005854

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