Tag: "symbiotic" at biology news

In a tiny squid, bacterial toxin governs organ development

...elop," McFall-Ngai says. This critical symbiotic relationship, the Wisconsin scientist points out, almost certainly arose within the grand scheme of evolution where "all animals arose in the microbial soup of the ocean. In that context," she notes, "animals could develop a set of body plans that r...

Global warming good news for coral reefs: research

...oral bleaching which is associated with the corals symbiotic micro-algae, and the significant impacts of human activities such as poor water quality, and unsustainable fishing on many of the worlds coral reefs." ...

Cloned gene from sea animal may prove key in cancer drug development

...rown bryozoan animal with stringy tufts, live in a symbiotic relationship with bacteria that act as a chemical defense mechanism for the host animal. In 2001, Haygood and other scientists in her Scripps laboratory found that such bacteria living in Bugula neritina were the source of bryostatins, a family of ch...

Scientists discover unique microbe in California's largest lake

...lar structure of the new organism with that of the symbiotic form of Acaryochloris . Blankenship and Olson com...its pigments with those of A. marina , one of the symbiotic species. "Chlorophyll d is a pigment that is intermediate between the chlorophylls found in the mo...

Researchers at UT Southwestern discover new function for old enzyme

...rly cells. Through elements of a little-understood symbiotic relationship between the bacteria and the cell, the bacteria lost their independence and evolved into an organelle that provides energy for the cell. The relationship between mitochondria and the cell make each vital to the other's survival, and may ...

Sequencing of marine bacterium will help study of cell communication

...he-dark bacterium, Vibrio fischeri, which lives in symbiotic harmony within the light organ of the bobtail squi...e, "Complete genome sequence of Vibrio fischeri: A symbiotic bacterium with pathogenic congeners," by E. G. Ruby, professor of medical microbiology and immunolog...

Novel sulfide-binding mechanism found in deep-sea tubeworms

...beworms is used to bind and transport nutrients to symbiotic bacteria will be published online in the Proceedi...ltaneously providing hydrogen sulfide molecules to symbiotic bacteria within their bodies. A Penn State research team, in collaboration with researchers at the ...

Stealth worms may improve insect pest control

...n to focus on microscopic nematodes that live with symbiotic bacteria. "We study these nematodes - which are actually insect killers - not only to understand how diverse they are, but also to use them as biological control alternatives," says Patricia Stock, a nematomologist in the University of Arizona Colleg...

Symbiotic bacteria protect hunting wasps from fungal infestation

Researchers have discovered a fascinating symbiotic relationship between a wasp species and a newly di...eat caused by bacteria and fungi is to establish a symbiotic relationship with innocuous antibiotic-producing bacteria that provide protection against the most d...

Plant hemoglobins: Oxygen handlers critical for nitrogen fixation

...od. The most conspicuous plant hemoglobins are the symbiotic hemoglobins of legumes; these hemoglobins accumula...gy have succeeded in eliminating the production of symbiotic hemoglobins in nodules of the model legume Lotus japonicus, enabling researchers to assess for the f...

Nitrogen fertilization of soil puts rare plant species at risk, nationwide study determines

...ion. Over half of the legumes (species that form a symbiotic relationship with bacteria to fix nitrogen from the atmosphere and so do not rely on soil nitrogen) are lost because the benefits associated with nitrogen-fixing no longer outweigh the costs. These species include plants in the pea family such as cl...

Understanding how bacteria communicate may help scientists prevent disease

...d ("Complete genome sequence of Vibrio fischeri: A symbiotic bacterium with pathogenic congeners," by E. G. Ruby, M. Urbanowski, J. Campbell, A. Dunn, M. Faini, R. Gunsalus, P. Lostroh, C. Lupp, J. McCann, D. Millikan, A. Schaefer, E. Stabb, A. Stevens, K. Visick, C. Whistler, and E. P. Greenberg, published Fe...

Evidence of 600-million-year old fungi-algae symbiosis discovered in marine fossils

...." Now there is a new question. "We know that this symbiotic relationship was forged 600 million years ago or e...d divorce, he said. "Given the ease with which the symbiotic relationship is formed, I wouldn't be surprised if the land-based relationships formed independently...

A bug's life: Exceptional genomic stability yet rapid protein evolution in a carpenter ant mutualist

...hat live inside insects. The scientists show that symbiotic bacteria have undergone exceptionally fast rates o... of insects such as aphids and tsetse flies. Many symbiotic relationships are obligate; neither the bacterium nor its host can live without the other. Wernegree...

Researchers find how some antibiotics kill bacteria

...; and even some parasitic worms by eliminating the symbiotic bacteria parasites depend on. "It's the kind of drug the pharmaceutical business wants to produce," Artsimovitch said. "They're looking for the broadest range of antibiotics possible. Rifamycins would be ideal drugs if we could figure out how to get ...

New protein vital for immune response is found in surprise location

...n a host organism's cells, eventually developing a symbiotic relationship with host cells. Now that mitochondria are an integral part of our cells, Dr. Chen speculated that mitochondria may have acquired new functions by serving as a sentinel to detect invading pathogens and other stressful signals, ensuring t...

The right hitchhiker can save an aphid's life

...- the wasp-resistant aphids owe their lives to the symbiotic bacteria carried inside them, according to new res...nts. One of his previous experiments indicated the symbiotic bacteria contribute at least some of the observed variation in resistance to the wasps. "But we stil...

Cellular power plants also fend off viruses

...a originated from ancient bacteria, which formed a symbiotic relationship with eukaryotic cells," said Chen. "For symbiosis to evolve, the bacteria and the host must be beneficial to one another. Mitochondria have long been known to serve the major function of producing chemical energy for the cell, as well as...

Fungus helps tall fescue choke out native plants

...leaves are laced with toxic alkaloids, thanks to a symbiotic fungus that has co-evolved with the grass. In a 54...escue,' a common variety that is infected with the symbiotic fungus Neotyphodium coenophialum, tended to choke out uninfected fescue and native plant species. Ta...

Deep sea buffet for bone-devouring worms

...ext by considering that the Osedax worms and their symbiotic bacteria can turn-over a large amount of organic carbon (one whale carcass may weigh up to 50 tons), approximately 2000 years faster than the usual mechanism of carbon deposition to the deep seafloor. The results of this study will aid understanding ...

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(Date:8/4/2015)... ) today reported financial and operating results for the second quarter ... quarter contract revenue of $ 85.2 million, a ... of 26 % , Second quarter adjusted ... royalties in the current quarter , Operating cash ... to present another strong financial quarter, with all our divisions achieving ...
(Date:7/31/2015)... -- Den 10. internationale konference om Genomik (ICG-10, ... 25. oktober i Shenzhen , Kina. ... år. Siden starten i 2006 er ICB blevet en ... er en af de mest dynamiske, entusiastiske og sjove ... gennembrud og fremskridt inden for ,omik,-forskning, som yderligere vil ...
(Date:7/31/2015)... SHENZHEN, China , 31 de julho de 2015 ... Genômica (ICG-10, www.icg-10.org ) será realizada pela BGI de ... China . A conferência está ... inauguração em 2006, a ICG se tornou uma das ... e um dos encontros científicos mais dinâmicos, entusiastas e ...
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