Rickettsia

...eria that cause typhus and Rocky Mountain spotted fever. ... Print this Page ... Species in the genus Rickettsia are obligate intracellular symbionts of plants, ... Most Rickettsia -containing vertebrates are secondary ... Rickettsia spp. ... Rickettsia Bellii (2) Rickettsia bellii OSU 85...

symbionts in Biological News

Microbes and their hosts -- exploring the complexity of symbiosis in DNA and cell biology

...2009The unique association between microorganisms and their hosts, whether insects, plants, or mammals, provides a fascinating view into how microbial symbionts adapt to changing biological environments. Insights into the diversity and complexity of symbiotic relationships are the focus of the current special ...

Stanford scientists find heat-tolerant coral reefs that may resist climate change

...he research team to test under what conditions the symbionts formed associations with corals. In coole...bove the long-term normal highs. But heat-tolerant symbionts might allow a reef to handle temperatures up to 2....oss the tropics, corals with the ability to switch symbionts will do so to survive. Future protection ...

An underwater drugstore?

...h zoological conservationist values. So Prof. Ilan takes cultures from sea sponges with minimal damage to the natural environment. He then grows their symbionts and tests them in a "wet" laboratory. The methods Prof. Ilan has perfected can now be used by other scientists developing pharmaceuticals from marine ...

Discovering drugs, biofuels in tropical seas

...on between different biological species for three decades and played a major role proving that bryostatin, an anti-cancer agent, is made by bacterial symbionts living in a marine animal. She will manage a collaborative effort with some of the world's leading authorities on mollusks and marine drug discovery. ...

Everything's coming up corals

...he remote coast of Western Australia to study how corals change their algal symbionts over a latitudinal gradient from the tropics to the temperate regions. Unde...in Eilat, Israel. For her Ph.D., Soffer is studying the physiology of algal symbionts to understand how the biology of their coral hosts is affected by the type ...

Mechanisms of plant-fungi symbiosis characterized by DOE Joint Genome Institute

...equitable exchange of nutrients can be achieved." The DOE JGI and its collaborators have now embarked on characterizing several other poplar community symbionts that will provide a more comprehensive understanding of the biological community of the poplar forest. These include Glomus, a second plant symbiotic...

New study sheds light on Galápagos hawk evolutionary history

...se relationships were previously obscured due to the hawks low genetic variation. The scientists also suggested that their results demonstrate how symbionts of larger and more charismatic species, like hawk lice, can tell scientists a great deal about the history of life. The parasites are evolutionary ...

Ocean sampling yields environmental sources of coral symbionts

...ost’s survival, but many corals must acquire their symbionts anew with the emergence of each generation. Howeve...clear how newly settled coral polyps acquire their symbionts in the ocean. Organisms that resemble coral symbio...servation, it is critical to recognize where these symbionts reside in the ocean environment. In the new ...

Life in the extreme

...fferent symbionts. This is the widest diversity of symbionts ever described in a bivalve species," said Duperro... means that the mussel, depending on which type of symbionts it carries, can derive its energy from either sulp... has also found that in the Idas sp., three of the symbionts belong to bacterial groups previously not reported...

Surprising symbiosis: Glassy-winged sharpshooter eats with friends

...ch threatens vineyards," Eisen says. "In order to design methods to fight the insect, we've got to understand how it works and its weaknesses. We knew symbionts were doing something for this insect--but until this study, we had no clue what that was." In particular, in this case, the threesome came as a sur...

symbionts in Biological Technology

Digesting the termite digestome -- a way to make biofuels?

...e micro-organisms that inhabit their gut known as symbionts could help to produce ethanol from non-edible pla...millions of years of evolution, termites and their symbionts have acquired highly specialised enzymes that work...hese enzymes are secreted by both termites and the symbionts that colonise their gut, and act on the lignocellu...

symbionts in Biological Definition

Bacterium

...abundant of all organisms. They are ubiquitous in soil , water , and as symbionts of other organisms. Many pathogens are bacteria. Most are minute, usua..., a process known as nitrogen fixation . Many other bacteria are found as symbionts in humans and other organisms. For example, their presence in the large ...

Endosymbiont

...) but phylogenetic analysis indicates that these symbionts belong to the alpha group of the class Proteobact...s a ecological distribution of Symbiodinium , the symbionts switching between hosts with apparent ease. When ...ome environmentally stressed, this distribution of symbionts is related to the observed pattern of coral bleac...

Endosymbiont

...) but phylogenetic analysis indicates that these symbionts belong to the alpha group of the class Proteobact...s a ecological distribution of Symbiodinium , the symbionts switching between hosts with apparent ease. When ...ome environmentally stressed, this distribution of symbionts is related to the observed pattern of coral bleac...

Bacterium

...abundant of all organisms. They are ubiquitous in soil , water , and as symbionts of other organisms. Many pathogens are bacteria. Most are minute, usua..., a process known as nitrogen fixation . Many other bacteria are found as symbionts in humans and other organisms. For example, their presence in the large ...

Mycology

...am Joffe . Also, fungi are fundamental for life on earth in their roles as symbionts , e.g. in the form of mycorrhizae , insect symbionts and lichens as well as their potency in breaking down complex organic ...

Symbiosis

...continuum of interaction ranging from parasitism to mutualism. In fact, the direction of a symbiotic interaction can change during the lifetime of the symbionts due to developmental changes as well as changes in the biotic/abiotic environment in which the interaction occurs. See also Commensalism ...

symbionts in Biological Dictionary

Saprophytes

...ite but ... ... of heterotrophs, which include the saprophytes , symbionts, and parasites. Saprophytes (feed on dead tissues or organic waste); symbionts (mutually ... Scientific Stock Photography by Dennis Kunkel Microscopy, Inc. The Image Gallery contains hundreds of scientific, ... mold exist as ...

Protist cell

...he host protist cell , providing an attractive model to investigate ... The cells of the protist species that stably harbored Bacteroidales symbionts ... Filaments of joined cells the cyanbacterium Anabaena magnified about 4,000 times. In this ... Typical features of a eukaryotic protist cel...

Moneran

...dia, Computer Desktop Encyclopedia, computing dictionary. Organisms that lack a nucleus or other membrane-bounded organelles. ... These moneran symbionts convert gaseous nitrogen from the atmosphere (N2) into ... A set of 4 Moneran genera: Anabaena, Gloeocapsa, Nostoc, and Oscillatoria. ... product...