Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

CCD phenomenon in America and Europe: Could the solution be found in Africa?

11.05.2007
The solution to the Collapse Colony Disorder (CCD), a phenomenon that has baffled beekeepers and researchers in America and Europe, may just be found in Africa.

Characterised by the sudden mass exodus of bees from their hives, CCD was first reported in America in November 2006, and has rapidly spread to over 20 American States. Some CCD cases have also been reported in Greece, Italy, Poland, Portugal and Spain. CCD is increasingly becoming a crisis, causing beekeepers losses of between 30 – 90% and posing a potential threat in European agriculture, where honeybees are of great economic importance.

A study by scientists from the Nairobi-headquartered icipe – African Insect Science for Food and Health, conducted jointly with colleagues from the United States Department of Agriculture (USDA), suggests that there could be a link between microganisms from invasive species, such as the small hive beetle, recently introduced into the US from Africa. In their findings, published in the Proceedings of the National Academy of Sciences of the United States of America (PNAS, 4th May 2007), the researchers observe that, though of no consequence to African honeybees, the small hive beetle decimates European honeybee colonies with impunity through a fungus that it carries.

“Beetles are scavengers and their job is to clean up. In the case of the small hive beetle, it uses a fungus to digest left-over pollen, from which it gets its nutrients. This fungus causes fermentation, in effect causing a change in the chemistry in the hives. Since bees are very sensitive to such variations, they eventually abandon the hives,” explains icipe scientist, Dr Baldwyn Torto.

He adds that African honeybees are generally highly hygienic; they don’t allow debris to accumulate in their hives, so there is little for the small hive beetles to scavenge and to support growth and establishment of other microorganisms. In addition, because of having to constantly deal with a wide diversity of tropical microorganisms while foraging, the African honeybees have evolved ways to fight diseases more effectively, and respond more quickly to any new challenges. On the other hand, says Dr Torto, European honeybees unlike their African cousins are unable to effectively inhibit infestations by this beetle.

“Knowing what allows African honeybees to survive attacks under the tough tropical conditions, and introducing these components into European honeybees, might be a step towards resolving the CCD,” says Dr Torto.

Liz Nganga | alfa
Further information:
http://www.pnas.org/cgi/content/abstract/0702813104v1

More articles from Agricultural and Forestry Science:

nachricht Plasma-zapping process could yield trans fat-free soybean oil product
02.12.2016 | Purdue University

nachricht New findings about the deformed wing virus, a major factor in honey bee colony mortality
11.11.2016 | Veterinärmedizinische Universität Wien

All articles from Agricultural and Forestry Science >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Interfacial Superconductivity: Magnetic and superconducting order revealed simultaneously

Researchers from the University of Hamburg in Germany, in collaboration with colleagues from the University of Aarhus in Denmark, have synthesized a new superconducting material by growing a few layers of an antiferromagnetic transition-metal chalcogenide on a bismuth-based topological insulator, both being non-superconducting materials.

While superconductivity and magnetism are generally believed to be mutually exclusive, surprisingly, in this new material, superconducting correlations...

Im Focus: Studying fundamental particles in materials

Laser-driving of semimetals allows creating novel quasiparticle states within condensed matter systems and switching between different states on ultrafast time scales

Studying properties of fundamental particles in condensed matter systems is a promising approach to quantum field theory. Quasiparticles offer the opportunity...

Im Focus: Designing Architecture with Solar Building Envelopes

Among the general public, solar thermal energy is currently associated with dark blue, rectangular collectors on building roofs. Technologies are needed for aesthetically high quality architecture which offer the architect more room for manoeuvre when it comes to low- and plus-energy buildings. With the “ArKol” project, researchers at Fraunhofer ISE together with partners are currently developing two façade collectors for solar thermal energy generation, which permit a high degree of design flexibility: a strip collector for opaque façade sections and a solar thermal blind for transparent sections. The current state of the two developments will be presented at the BAU 2017 trade fair.

As part of the “ArKol – development of architecturally highly integrated façade collectors with heat pipes” project, Fraunhofer ISE together with its partners...

Im Focus: How to inflate a hardened concrete shell with a weight of 80 t

At TU Wien, an alternative for resource intensive formwork for the construction of concrete domes was developed. It is now used in a test dome for the Austrian Federal Railways Infrastructure (ÖBB Infrastruktur).

Concrete shells are efficient structures, but not very resource efficient. The formwork for the construction of concrete domes alone requires a high amount of...

Im Focus: Bacterial Pac Man molecule snaps at sugar

Many pathogens use certain sugar compounds from their host to help conceal themselves against the immune system. Scientists at the University of Bonn have now, in cooperation with researchers at the University of York in the United Kingdom, analyzed the dynamics of a bacterial molecule that is involved in this process. They demonstrate that the protein grabs onto the sugar molecule with a Pac Man-like chewing motion and holds it until it can be used. Their results could help design therapeutics that could make the protein poorer at grabbing and holding and hence compromise the pathogen in the host. The study has now been published in “Biophysical Journal”.

The cells of the mouth, nose and intestinal mucosa produce large quantities of a chemical called sialic acid. Many bacteria possess a special transport system...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

12V, 48V, high-voltage – trends in E/E automotive architecture

10.01.2017 | Event News

2nd Conference on Non-Textual Information on 10 and 11 May 2017 in Hannover

09.01.2017 | Event News

Nothing will happen without batteries making it happen!

05.01.2017 | Event News

 
Latest News

Water - as the underlying driver of the Earth’s carbon cycle

17.01.2017 | Earth Sciences

Interfacial Superconductivity: Magnetic and superconducting order revealed simultaneously

17.01.2017 | Materials Sciences

Smart homes will “LISTEN” to your voice

17.01.2017 | Architecture and Construction

VideoLinks
B2B-VideoLinks
More VideoLinks >>>