Australian platypus genome a link to evolution


	Australian platypus genome a link to evolution

Deepti

5-8-2008 2:53 AM

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platypus, genome, evolution, study, clues, information

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/05c77c8f-c39f-458e-b89b-1de6fb04f6c9/1C4B7545-DCD8-4301-8AC2-38BD8BCDAB74/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.reuters.com/article/scienceNews/idUSSYD4910820080508?sp=true" href="http://www.reuters.com/article/scienceNews/idUSSYD4910820080508?sp=true" style="font-size: 11px;">www.reuters.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.reuters.com/article/scienceNews/idUSSYD4910820080508?sp=true">Australia's unique duck-billed platypus -- an egg-laying, furry animal with web feet that spends most of its time underwater -- is in fact part bird, part reptile and part mammal according to its gene map</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.reuters.com/article/scienceNews/idUSSYD4910820080508?sp=true">A team of international scientists released the platypus genome on Thursday, saying its complex sequence would aid the study of human evolution -- particularly the development of the immune, nervous and reproductive systems</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.reuters.com/article/scienceNews/idUSSYD4910820080508?sp=true">The platypus represents the earliest offshoot of the mammalian lineage, some 166 million years ago, from primitive ancestors that had features of both mammals and reptiles</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.reuters.com/article/scienceNews/idUSSYD4910820080508?sp=true">The scientists compared the platypus genome with human, mouse, dog, opossum and chicken genomes and found that the platypus shares 82 percent of its genes with these animals</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.reuters.com/article/scienceNews/idUSSYD4910820080508?sp=true">Scientists said platypus sex chromosomes may help study sex determination in mammals and infertility in humans</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.reuters.com/article/scienceNews/idUSSYD4910820080508?sp=true">had genes that allowed the platypus to detect odors underwater</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.reuters.com/article/scienceNews/idUSSYD4910820080508?sp=true">are found in dogs and rodents that use smell to forage</blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/1C4B7545-DCD8-4301-8AC2-38BD8BCDAB74/blog/" title="blog or email this clip"><img src="http://content9.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>