Navigation Links
Duck-billed platypus genome sequence published
Date:5/9/2008

atypus, whose ancestors split from the rest of mammalian lineage some 166 million years ago, with the well-characterized genomes of the human, mouse, dog, opossum and chicken, as well as the draft genome sequence of the green anole lizard. The chicken genome was chosen because it is descended from the ancestral group of egg-laying animals, including extinct reptiles, which passed on much of their DNA to animals like the platypus. Scientists were particularly interested in finding features within the platypus genome that could explain the odd mix of characteristics seen in the platypus, those that were more like reptile and birds and which were like mammals.

The team found that the platypus genome contains about the same number of protein-coding genes as other mammals -- approximately 18,500. The platypus also shares more than 80 percent of its genes with other mammals whose genomes have been sequenced. Next, researchers combed the platypus genome looking for genetic evidence of sequences unique to platypuses, which have been lost from mammalian genomes. Scientists were also eager to find out what characteristics of the platypus were linked at the DNA level to reptiles or mammals.

The mix of reptilian, mammalian and unique characteristics of the platypus genome provides many clues to the function and evolution of all mammalian genomes, said Richard K. Wilson, Ph.D., director of Washington University School of Medicines Genome Sequencing Center and the papers senior author. Now, well be able to pinpoint genes that have been conserved throughout evolution, as well as those that have been lost or gained.

The female platypus lays eggs, a reptilian characteristic, yet also produces milk to nourish its young, which is a mammalian characteristic. Interestingly, the platypus genome harbors both reptilian and mammalian genes associated with fertilization of eggs. However, researchers discovered that, like other mammals, the platypus genome contain
'/>"/>

Contact: Geoff Spencer
spencerg@mail.nih.gov
301-402-0911
NIH/National Human Genome Research Institute
Source:Eurekalert

Page: 1 2 3 4

Related biology news :

1. Platypus genome decoded
2. The FAQs about the human genome
3. First draft of transgenic papaya genome yields many fruits
4. Charting the epigenome
5. Tomato pathogen genome may offer clues about bacterial evolution
6. Scientists find a fingerprint of evolution across the human genome
7. Cold Spring Harbor Protocols features methods to screen genomes and analyze evolution
8. Software developed by Boston College lab delivers speed and accuracy to genome research
9. The beetles genome sequenced for the first time
10. K-State contributions to red flour beetle genome sequencing featured in March 27 issue of Nature
11. All eyes and ears on the corn genome
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:7/30/2014)... major interest in neuroscience. A large number of ... of Wallerian degeneration: transcription factor activation, immune response, ... responses in the distal segment of the sciatic ... in gene expression between the proximal and distal ... from Nantong University, China used microarrays to analyze ...
(Date:7/30/2014)... spinal cord injury (SCI), traumatic brain injury (TBI) and ... has been learned over the past 30 years regarding ... regulate axon growth, but this large body of information ... Lemmon and his team from University of Miami in ... but a consensus is emerging that one contributing factor ...
(Date:7/30/2014)... 3,000 pieces is still in its infant stage. But ... of major significance. "Amazingly often, we are findingin addition ... that we found in Baltic amber," explained Bonn paleontologist ... comes from the Baltic Sea region, which is almost ... e.g., the coastal regions of Mecklenburg, Poland and Belarus. ...
Breaking Biology News(10 mins):Chinese mosquitos on the Baltic Sea 2
... stress a typical married couple feels during an ordinary half-hour ... from wounds by at least one day, a new study ... routinely hostile toward each other, the delay in that healing ... have major financial implications for medical centers and health care ...
... an AIDS vaccine, UCLA AIDS Institute researchers report the ... the infection in different ways. , Detailed in the ... ( http://jvi.asm.org ), the findings show that the body's ... determined. , The researchers followed the cases of male ...
... much more sophisticated visual system than previously thought, according ... which bees were able to solve complicated colour puzzles. ... of the most difficult challenges of vision - namely, ... by suggesting that bees solve this problem using their ...
Cached Biology News:Stress substantially slows human body's ability to heal 2Stress substantially slows human body's ability to heal 3UCLA scientists discover immune response to HIV differs, even in identical twins 2Bees solve complex colour puzzles 2
(Date:7/30/2014)...  The Chicago Bears are excited to announce the ... in an effort to raise awareness of skin cancer. ... SPOT me™ skin cancer screenings at a preseason fan ... SPOT me™ is an educational campaign designed to inform ... of skin cancer, and encourages people to get screened ...
(Date:7/30/2014)... July 30, 2014   Wyle has ... Integrated Lifecycle Mission Support Services (FILMSS) contract awarded ... Under the terms of the contract, Wyle will ... Moffett Field, Calif. In particular, Wyle will provide ... development projects on the International Space Station and ...
(Date:7/30/2014)... Yuma, AZ (PRWEB) July 30, 2014 ... , State-of-the-art facility and complementary therapies brings comprehensive ... square foot, state-of-the-art Yuma Regional Cancer Center has ... since 2012, the program includes services such as ... laboratory, massage therapy, American Cancer Society Resource Center, ...
(Date:7/30/2014)... 30, 2014  AtheroNova Inc. (OTCBB: AHRO), a ... of compounds to safely regress atherosclerotic plaque and ... its partner, CardioNova, has accomplished first dosing of ... AtheroNova,s lead compound, AHRO-001.  This Phase 1b trial ... 1 safety trial completed in February 2014, in ...
Breaking Biology Technology:Chicago Bears Join the American Academy of Dermatology in Fight against Skin Cancer 2Chicago Bears Join the American Academy of Dermatology in Fight against Skin Cancer 3Chicago Bears Join the American Academy of Dermatology in Fight against Skin Cancer 4Wyle Wins NASA's Fully Integrated Lifecycle Mission Support Services Contract 2Sate-of-the-Art Yuma Regional Cancer Center Officially Opens 2AtheroNova Announces Milestone with Initiation of Phase 1b Clinical Trial of AHRO-001 2AtheroNova Announces Milestone with Initiation of Phase 1b Clinical Trial of AHRO-001 3AtheroNova Announces Milestone with Initiation of Phase 1b Clinical Trial of AHRO-001 4
... (Nasdaq: BNVI ) today announced financial ... "Scientific development, regulatory progress and growth accurately characterize ... chairman and chief executive officer. "We successfully laid ... is essential for the successful approval and marketing ...
... Corporation (NYSE: SGP ) is scheduled to ... first quarter on Tuesday, April 21, 2009. At ... a conference call to review results for the 2009 ... and other members of management will host the conference ...
... LLC, and Burrill & Company Collaborating on Strategic ... 12 Developer Tower Investments, LLC ("Tower"), and ... ("Burrill") today announced a formal partnership with aims ... planned development and funding related to the "shovel-ready" ...
Cached Biology Technology:Bionovo Announces 2008 Highlights and Year-End Financial Results 2Bionovo Announces 2008 Highlights and Year-End Financial Results 3Bionovo Announces 2008 Highlights and Year-End Financial Results 4Bionovo Announces 2008 Highlights and Year-End Financial Results 5Bionovo Announces 2008 Highlights and Year-End Financial Results 6Bionovo Announces 2008 Highlights and Year-End Financial Results 7Bionovo Announces 2008 Highlights and Year-End Financial Results 8Bionovo Announces 2008 Highlights and Year-End Financial Results 9Bionovo Announces 2008 Highlights and Year-End Financial Results 10Elk Run Developers Announce Partnership with Leading Life Sciences Firm 2Elk Run Developers Announce Partnership with Leading Life Sciences Firm 3Elk Run Developers Announce Partnership with Leading Life Sciences Firm 4
Rabbit Serum New Zealand or California Origin...
Collected from 8-12 week old New Zealand or Californian rabbits. Aseptically collected and processed to minimize hemolytic activity. Pricing: $60/unit for 1 - 10 units...
... , Customer Peptide Synthesis , Containing one Phospho-Amino Acid ... will be returned to customer conjugation of peptide to KLH protein ... Maintenance 102 days/each , Pre-immune bleed x1 ... , Test bleed (app. 5 ml) x1 /each ...
... collected off the clot fasted non-Swiss Albino mice of ... Anticoagulants: N-02: Citrate N-04: ... Potassium Oxalate N-10: EDTA (Na) N-03: ... CPD N-09: K3EDTA N-11: Heparin ...
Biology Products: