Navigation Links
Selaginella genome adds piece to plant evolutionary puzzle
Date:5/5/2011

WEST LAFAYETTE, Ind. - A Purdue University-led sequencing of the Selaginella moellendorffii (spikemoss) genome - the first for a non-seed vascular plant - is expected to give scientists a better understanding of how plants of all kinds evolved over the past 500 million years and could open new doors for the identification of new pharmaceuticals.

Jody Banks, a professor of botany and plant pathology, led a team of about 100 scientists from 11 countries to sequence the genome of Selaginella, a lycophyte. Lycophytes, which are the oldest living vascular plants, shed spores to reproduce and have a single vascular vein through their leaves, as opposed to more complex vascular plants.

"There are only three families and about 1,000 species of lycophytes remaining. Selaginella has been on Earth about 200 million years," said Banks, whose findings were published Thursday (May 5) in the journal Science. "This plant is a survivor. It has a really long history and it hasn't really changed much over time. When you burn coal, you're burning the Carboniferous relatives of these plants."

Banks said the Selaginella genome, with about 22,300 genes, is relatively small. Scientists also discovered that Selaginella is the only known plant not to have experienced a polyploidy event, in which it creates one or more extra sets of chromosomes.

Selaginella also is missing genes known in other plants to control flowering, phase changes from juvenile plants to adults and other functions.

"It does these in a totally unknown way," Banks said.

Banks said Selaginella's genome would help scientists understand how its genes give the plant some of its unique characteristics. The genome also will help them understand how Selaginella and other plants are evolutionarily connected.

In comparing this genome sequence with others, researchers were able to identify genes that are present only in vascular plants and genes pres
'/>"/>

Contact: Brian Wallheimer
bwallhei@purdue.edu
765-496-2050
Purdue University
Source:Eurekalert  

Page: 1 2

Related biology news :

1. Scientists sequence genomes of 2 major threats to American food and fuel
2. Genome duplication encourages rapid adaptation of plants
3. Rices origins point to China, genome researchers conclude
4. Study in roundworm chromosomes may offer new clues to tumor genome development
5. Evolution can cause a rapid reduction in genome size
6. Bacterial genome may hold answers to mercury mystery
7. Simpler woodland strawberry genome aids research on more complex fruits
8. Teaching old genomes new tricks
9. Surprising results in the first genome sequencing of a crustacean
10. First harmful algal bloom species genome sequenced
11. Brown tide culprit sequenced: Genome of the first of algal bloom species
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Selaginella genome adds piece to plant evolutionary puzzle
(Date:4/17/2014)... such as heart disease, epilepsy and pain, making them ... is still much scientists do not know about the ... into the structure of sodium channels and, specifically, one ... responsible for ,fine-tuning, the activity of the channel. The ... the Journal of Biological Chemistry . , Nerves ...
(Date:4/17/2014)... journal Current Biology on April 17 have ... The Brazilian insects, which represent four distinct but related ... first example of an animal with sex-reversed genitalia. ... different animals, Neotrogla is the only example ... Kazunori Yoshizawa from Hokkaido University in Japan. , During ...
(Date:4/17/2014)... process whereby the genetic information of DNA is ... which have numerous different functions in living organisms. ... during gene expression, by relating the genetic information ... manufacturing proteins. , By examining the different ... an organism at a given time, researchers can ...
Breaking Biology News(10 mins):Structure of sodium channels different than previously believed 2In sex-reversed cave insects, females have the penises 2Rapid and accurate mRNA detection in plant tissues 2
... the quality of life of human beings, and society ... Onaindia, biologist and person responsible for the Forest Ecology ... the Basque Country (UPV/EHU). This group has been investigating ... the Basque Country (CAV-EAE) for twenty years now. In ...
... the oceans as a result of increasing levels ... on marine ecosystems, according to Michael Maguire presenting ... in Edinburgh this week. Postgraduate researcher Mr ... experiments in which they simulated ocean acidification as ...
... Tiny chemical sensors implanted into patients could help diagnose disease ... Researchers have developed tiny probes comprising gold-coated particles. These can ... monitored remotely using light from a laser. Once ... to it is absorbed then re-emitted, causing nearby proteins in ...
Cached Biology News:The forests of the Basque Country are progressing -- slowly, according to research group 2The forests of the Basque Country are progressing -- slowly, according to research group 3
(Date:1/15/2014)... Vernon Hills, IL (PRWEB) January 15, 2014 ... Cole-Parmer to find hard-working items for the lab, from ... designated as Guaranteed-in-Stock (GIS)—ready to ship when you order. ... Masterflex® Peristaltic Pumps , from the L/S® model ...
(Date:1/15/2014)... 15, 2014 ­ RedBrick Health , a fast-growing ... today announces that EmblemHealth , the ... is now providing the RedBrick Compass health assessment, combined ... all of its members. EmblemHealth is among the first ...
(Date:1/15/2014)... (PRWEB) January 15, 2014 More than ... and about 1 in 3 seniors will die with ... ). These jaw-dropping figures have shocked many Americans into ... hopefully, help prevent these tragic age-related cognitive disorders. Jonathan ...
(Date:1/15/2014)... DTS Language Services, Inc . is pleased to announce ... organizations who need document translations. Clients will now have ... in advance with a selection of nearly 50 life science ... critical factor in clinical and scientific fields, and decrease the ...
Breaking Biology Technology:Cole-Parmer Begins 2014 with the Release of Preferred Solutions 2EmblemHealth Selects RedBrick Health to Power its Next-Generation Health Engagement and Behavior Change System 2EmblemHealth Selects RedBrick Health to Power its Next-Generation Health Engagement and Behavior Change System 3Biohack Pure Offers 5 Tips for Increasing Memory in 2014 2DTS Improves Efficiency for Life Science Document Translations 2
... Researchers have completed the first thorough, system-level assessment ... of microbes known as Shewanella. Microbes belonging to ... and cleaning up contaminated areas in the environment. ... Institute of Technology, Michigan State University and the ...
... ... , ... The Honolulu-based Pacific Health Research Institute (PHRI) has received $2.8 million in research funding ... a major lung cancer screening study in Hawaii, for two more years. , , , ...
... , , BOTHELL, Wash., ... a leading developer, manufacturer, and marketer of biopreservation tools for ... BloodStor biopreservation media product platform. The product family includes ... as well as other variants for peripheral blood derived stem ...
Cached Biology Technology:Hidden diversity in key environmental cleanup microbes found by systems biology assessment 2Hidden diversity in key environmental cleanup microbes found by systems biology assessment 3Pacific Health Research Institute Awarded $2.8 Million in Research Funding 2Pacific Health Research Institute Awarded $2.8 Million in Research Funding 3BloodStor(TM) Stem Cell Biopreservation Media Platform Launched by BioLife Solutions 2BloodStor(TM) Stem Cell Biopreservation Media Platform Launched by BioLife Solutions 3
This depletion cocktail is tailored to deplete IgE-bearing (I.e. basophils and mast cells) from whole blood...
... of DNA from agarose gels The SpinPrep Gel ... 150 bp to > 12,000 bp in size from ... the gel slice, followed by adsorption of the DNA ... After a wash step, the purified DNA is eluted ...
This kit is designed to select cells labeled with fluorescein isothiocyanate- (FITC-) conjugated antibodies. Kit includes reagents for labeling 3 x 10 9 cells and EasySep magnet....
... microscope is described by end-users to be ... the fundamentals of light microscopy and electronic ... footprint, it does not require much space ... busy lab environment. The DM-BA300 combines Motic's ...
Biology Products: