Navigation Links
For diseases, when it comes to sharing a home, only close relatives will do

Being more generous to close relatives is a common theme in both our daily interactions and our understanding of how organisms resolve conflicts in nature. In a paper from July issue of The American Naturalist, biologists Britt Koskella (Indiana University), Tatiana Giraud (Université Paris-Sud), and Michael Hood (University of Virginia) asked whether similar rules apply to disease-causing microbes. They tried introducing a sexually-transmitted disease of plants, called "anther smut," into hosts that were already infected, and found that strains are more likely to share a host if they are more closely related.

In this way "pathogens seem to interact as we would," says Koskella, "sharing resources with close relatives and being more competitive towards non-relatives."

According to current evolutionary theory, the competition among pathogen strains determines why some diseases cause very severe symptoms, "so it is crucial to understand when and how this competition occurs within the hosts," adds Koskella.

To win host resources away from a non-relative, theory assumes the pathogens will increase exploitation of the host and thus cause more severe symptoms. However, if pathogens share the host most often with close relatives, this evolutionary conflict is decreased, possibly resulting in less harm by overexploitation. Such new insights into how pathogens interact within the host are needed to better understand and confront the harmful effects of diseases.


'"/>

Source:University of Chicago Press Journals


Page: 1

Related biology news :

1. Growth in the sea comes down to a struggle for iron
2. Improved Outcomes Releases GeneLinker(TM) Gold and Platinum Version 4.6
3. BioMed Central welcomes the new National Institutes of Health public access policy
4. To sea or not to sea: When it comes to salmon sex, size sometimes doesnt matter
5. When it comes to cell entry, being average has its advantages
6. What comes first…the chicken, the egg, or the bad attitude?
7. Predicting successful outcomes in living-donor liver transplants
8. Signature of chromosome instability predicts cancer outcomes
9. Gene expression becomes heterogeneous with age in humans and rats
10. Giant deep-sea tubeworms meal ticket comes in as a skin infection
11. When it comes to gene transcription, random pauses aren’t quite so random, study finds
Post Your Comments:
*Name:
*Comment:
*Email:


(Date:4/3/2017)... April 3, 2017  Data captured by ... platform, detected a statistically significant association between ... to treatment and objective response of cancer ... to predict whether cancer patients will respond ... as well as to improve both pre-infusion potency ...
(Date:3/30/2017)... KONG , March 30, 2017 The ... a system for three-dimensional (3D) fingerprint identification by adopting ground breaking ... into a new realm of speed and accuracy for use in ... at an affordable cost. ... ...
(Date:3/29/2017)... , March 29, 2017  higi, the health IT ... North America , today announced a ... the acquisition of EveryMove. The new investment and acquisition ... of tools to transform population health activities through the ... data. higi collects and secures data today ...
Breaking Biology News(10 mins):
(Date:6/20/2017)... ... June 20, 2017 , ... Do More with OHAUS , With the ... trusted supplier in the weighing industry, to extending its expertise across the entire laboratory ... immunoassays, hybridizations and more, allowing for its customers to 'Do More' in ...
(Date:6/19/2017)... Ames, Iowa (PRWEB) , ... June 19, 2017 , ... ... and interplay among its cells and tissues by delivering pollen and nectar containing nutrients ... and the means to stay healthy. , Many recent indicators point to a decline ...
(Date:6/15/2017)... , ... June 15, 2017 , ... ... has secured a Series B round of financing in the amount of $6 ... of private investors participated in the round. , The Series B funding will ...
(Date:6/14/2017)... , ... June 14, 2017 , ... ... 8th to discuss the initiative steered by the executive search firm, “Building Value ... of the Board of Directors of Foundation Medicine, led an open discussion with ...
Breaking Biology Technology: