Navigation Links
Rapid evolution aids spread of exotic plant species
Date:5/23/2014

A team of Belgian biologists led by researchers at KU Leuven has provided the first genetic evidence that rapid evolution can help non-native plant species spread in new environments. Using samples of centuries-old herbaria and DNA analysis, the researchers reconstructed the genetic adaptations undergone by the Pyrenean rocket prior to its rapid spread in Belgium.

The Pyrenean rocket (Sisymbrium austriacum subsp. chrysanthum) is a plant that grows in the mountains of southern Europe and is particularly prevalent in the Pyrenees. The species was first reported in Belgium 1,200 kilometres north of its native range in the first half of the 19th century. Seeds from the plant were most likely introduced alongside the wool industry in and around Verviers. The Pyrenean rocket took root on the banks of the River Vesdre in Verviers and later spread across the Meuse basin towards the Netherlands.

The colonization history of the Pyrenean rocket is well documented, explains postdoctoral researcher and corresponding author Katrien Vandepitte (Plant Conservation and Population Biology Research Group): "We found dried specimens of the Pyrenean rocket in herbaria from the 19th and 20th centuries and were able to isolate DNA from these samples. We then compared this DNA with the genetic profile of contemporary samples from Belgium and the Pyrenees. This gave us a unique opportunity to reconstruct when and how an exotic plant species genetically adapted to a new environment."

"When we looked at the genetic evolution of the Pyrenean rocket, we found the greatest divergences in a set of genes that regulate flowering time, an important plant fitness trait. When we compared current individuals taken from our region and the Pyrenees, both grown under Belgian conditions, the Belgian variant bloomed later."

"Our DNA analysis shows that the Belgian variant genetically adapted quite rapidly in about 20 generations. This very likely helped the plant to survive and spread here."

"Our findings are important because until now evidence supporting the hypothesis that exotic plants can spread after a period of rapid genetic adaptation has been very scant," says Dr. Vandepitte.

The results also suggest that we should be wary of 'latent' non-native plant species. "These plants can be present in small numbers for years before spreading as a result of genetic adaptation. The Pyrenean rocket is a harmless plant, but some exotics can become a real plague. And this can occur even after a period of unproblematic presence in a non-native environment."


'/>"/>

Contact: Katrien Vandepitte
katrien.vandepitte@bio.kuleuven.be
32-163-73653
KU Leuven
Source:Eurekalert  

Related biology news :

1. Rapid method of assembling new gene-editing tool could revolutionize genetic research
2. Researchers develop rapid test strips for bacterial contamination in swimming water
3. Virus barcodes offer rapid detection of mutated strains
4. Speeding up drug discovery with rapid 3-D mapping of proteins
5. Key part of plants rapid response system revealed
6. Genetic link to rapid weight gain from antipsychotics discovered
7. UCLA research makes possible rapid assessment of plant drought tolerance
8. Triage for plants: NYBG scientists develop and test rapid species conservation assessment technique
9. Research finds heart remodeling rapidly follows cardiac injury
10. Rapid response in cases of smoke poisoning
11. Researchers develop rapid method to measure carbon footprints
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Rapid evolution aids spread of exotic plant species
(Date:4/26/2016)... , April 27, 2016 ... "Global Multi-modal Biometrics Market 2016-2020"  report to their ... , The analysts forecast the global ... of 15.49% during the period 2016-2020.  ... of sectors such as the healthcare, BFSI, transportation, ...
(Date:4/13/2016)... CHICAGO , April 13, 2016  IMPOWER physicians ... are setting a new clinical standard in telehealth ... By leveraging the higi platform, IMPOWER patients can ... weight, pulse and body mass index, and, when they ... quick and convenient visit to a local retail location ...
(Date:3/22/2016)... India , March 22, 2016 /PRNewswire/ ... market research report "Electronic Sensors Market for Consumer ... Proximity, & Others), Application (Communication & IT, ... Geography - Global Forecast to 2022", published ... industry is expected to reach USD 26.76 ...
Breaking Biology News(10 mins):
(Date:5/24/2016)... ... May 24, 2016 , ... Media Cybernetics, ... new Media Cybernetics corporate branding reflects a results-driven revitalization for a company with ... The re-branding components include a crisp, refreshed logo and a new web presence. ...
(Date:5/23/2016)... ... May 23, 2016 , ... PrecisionAg® Media has ... 2017 and Beyond. The paper outlines the key trends that are creating both ... “We’ve witnessed a lot of highs and lows as the precision agriculture market ...
(Date:5/23/2016)... , May 23, 2016 Oxitec CEO ... th at 10:15 a.m. ET before the United States ... genetically engineered mosquitos can play in controlling the spread of ... the Zika virus.      (Logo: http://photos.prnewswire.com/prnh/20150630/227348 ... mosquito with a self-limiting gene. Trials in Brazil ...
(Date:5/23/2016)... ... May 23, 2016 , ... RoviSys, a leading ... in Aurora, Ohio, has broken ground on a new building in Holly Springs, ... area, this new location solidifies a commitment to business in the region. The ...
Breaking Biology Technology: