By Nessa Carey
For a long time after deciding on the constitution of DNA, scientists centred in simple terms on genes, the areas of the genome that comprise codes for the creation of proteins. different areas that make up ninety eight% of the human genome have been disregarded as “junk," sequences that serve no function. but lately researchers have stumbled on diversifications and modulations during this junk DNA that underwrite a few intractable illnesses. this data has resulted in leading edge examine and therapy methods which may eventually keep an eye on those conditions.
Junk DNA can play important and unanticipated roles within the regulate of gene expression, from fine-tuning person genes to switching off whole chromosomes. Its functionality has pressured scientists to revisit the very which means of the be aware “gene" and has engendered a sour conflict over even if this genomic “nonsense" is the resource of human organic complexity. Drawing on her event with prime investigators in Europe and North the United States, Nessa Carey presents a transparent and compelling advent to junk DNA and its severe involvement in phenomena as assorted as genetic illnesses, viral infections, intercourse choice in mammals, ailment remedies, and evolution. we're simply now unlocking the secrets and techniques of junk DNA, and Carey's ebook is an vital source for navigating the codes and controversies of this fast-growing and hotly disputed field.
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Additional resources for Junk DNA: A Journey Through the Dark Matter of the Genome
86 p. Notes Author’s address: Director for Agricultural Sciences at the Rockefeller Foundation, 420 5th Avenue, New York, NY 10018, USA. Citation: [IRRI] International Rice Research Institute. 1996. Rice genetics III. Proceedings of the Third International Rice Genetics Symposium, 16–20 Oct 1995. Manila (Philippines): IRRI. A. Antonio, A. Shomura, T. Shimano, Y. Y. Lin, T. Inoue, H. Kajiya, Y. Harushima, K. Yamamoto, Y. Nagamura, N. Kurata, M. Yano, Y. Minobe, and T. Sasaki We have constructed a high-density linkage map of rice using an F2 population derived from the cross between a japonica variety, Nipponbare, and an indica variety, Kasalath.
Also, as rice production is becoming uneconomical in high-income countries, the farmers in low-income countries could gain by producing exportable surplus of superior quality grains for the markets in high-income countries. Research on breeding for quality has to be country-specific. But international genetics research could help identify traits that determine rice quality—the size and the shape of the grain, chalkiness, amylose content, gel consistency, and aroma. Rice breeders in national research systems could then use this knowledge to develop varieties for their respective countries.
To the extent that the sample of national and international researchers was able to provide valid estimates of the gains possible from research, the progress already made, and the time needed to make further gains, they are good estimates of the potential of research to make gains. The Rockefeller Foundation will use the data in Table 3 to guide its allocations of rice biotechnology investments over the next few years. We believe the relative investments indicated there are useful indicators of how our funds should be directed.
Junk DNA: A Journey Through the Dark Matter of the Genome by Nessa Carey