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Showing posts with label genome. Show all posts
Showing posts with label genome. Show all posts

Gene Bank Needed to "Save" Endangered Native Animals

There is no way that Australia can prevent the extinction of some native animal species. Some can  be preserved with a national gene bank. Though a seed bank has already been set up to save native flora, nothing is planned for fauna.

Present debate is centered on the loss of the northern and southern gastric brooding frog. If a gene bank had existed the frog would have been preserved. Australia has the worst record of native animals going extinct than anywhere else, not something to be proud of. Over 40 birds and mammals have disappeared since European settlement.

Because government has been slow in allocating resources, private organizations have started gene banks. Indeed Taronga Conservation society Australia has stored genes from 20 native animals. This is far from adequate. Over 2,000 species need preservation.

With the Taronga Conservation Society Australia, the Animal Gene Storage and Resource Centre of Australia at Monash University has a total of 100 endangered species in storage. Funding from the public and enterprise supports these "frozen" storage facilities. Nothing has been added for four years due to lack of resources. Looking the other way is not the solution.
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Conservation by Ty Buchanan
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Much to Learn About the Human Genome

It was thought that once the human genome was known "interpreting" how things work would be easy. However, this is not the case. The hereditary sequencing in our genes is not the only factor determining what we are and what we do. Only 3 per cent of human genes are actually involved in the "code". Little is known about what the rest do.

It has been discovered recently that these "dumb" genes turn the letter genes on and off. They determine whether a cell becomes a brain or kidney cell, for example. There are 3 billion base gene structures, so there is a long way to go in understanding basic functions. At any one time 80 per cent of genes are active. Some are triggered by proteins. Others change into RNA that regulate letter genes.

In regard to understanding human health, many bases just keep chromosomes quiet. A complicating factor is that genes overlap and have many end points - not singular. Over 4 million gene triggers have be found and they are not all located near their target letter gene. The next step is to find out which base changes affect susceptibility to arthritis, diabetes and so on.
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Science
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