Tag: "symbionts" at biology news
Evolution of symbiosis
... or 20 C. Thus, though aphids containing bacterial symbionts
with the heat-shock-promoter mutation fare worse than normal aphids after exposure to high temperatures, they do better under cool conditions, giving the mutation a selective advantage that causes it to be maintained in the population. In addition...
Ocean sampling yields environmental sources of coral symbionts
...hosts 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 symbiontsdinoflagellates that are similar to those of th...
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 sulphide or methane. In addition, Duperron has also fo...
Evolutionary harmony for stinkbugs and their gut bacteria: A perfect match
...bit their cells, gut, or body cavity. Endocellular symbionts
live inside specialized insect cells and provide e...ess journal PLoS Biology suggests that not all gut symbionts
opt for the more promiscuous lifestyle. Takahiro Hosokawa, Takema Fukatsu, and colleagues provide th...
DOE JGI sequences, releases genome of symbiotic tree fungus
...us to understand the interaction between these two symbionts
within the context of the changing global climate." "Characterization of the interactions between poplar and its symbiotic associate, Laccaria bicolor, allows us to explore the coordinated response to environmental stressors, such as drought and ex...
Surprising symbiosis: Glassy-winged sharpshooter eats with friends
...nderstand 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 surprise. Many insects, such as aphids and cicadas, feed on the sap from a plant's xylem or phloem, pipes ...
Fungus helps tall fescue choke out native plants
...ferred variety. Prior research on hereditary plant symbionts
like the fescue endophyte have tended to look at p...e broad because it's estimated that similar fungal symbionts
exist in more than 20 percent of native U.S. grasses." The tall fescue study was conducted on 60 plo...
The right hitchhiker can save an aphid's life
...funded the research. Many insects harbor bacterial symbionts
that are passed from mother to offspring. LIttle is known about whether such symbionts
can boost the host insects' resistance to natural enemies. As part of his doctoral research in UA's ...
A bug's life: Exceptional genomic stability yet rapid protein evolution in a carpenter ant mutualist
...gical diversity," explains Wernegreen. "Microbial symbionts
in particular have been major evolutionary catalys...mary genomic characteristics of obligate bacterial symbionts
is a massive reduction in genome size compared to their free-living counterparts a phenomenon calle...
Study in Royal Society journal on heritability of female orgasm
...ick carpet of microalgae and bacteria. These small symbionts
produce distasteful chemicals that protect the colorful and vulnerable isopods from being eaten by fish. Defensive symbioses like this, although largely unknown in the oceans, are likely common and promote biodiversity by allowing symbiont-protected ...
Symbiotic bacteria protect hunting wasps from fungal infestation
... antennae and that females utilize these bacterial symbionts
to protect the wasp larvae against pathogenic fungi. Detrimental microorganisms are a permanent threat to higher organisms, and because of their high reproductive potential and adaptability, they are extremely difficult to control. Ironically, the be...
Three bacterial genomes found lurking inside recently sequenced fruit fly genomes
...ia in animals and chloroplasts in plants are relic symbionts
- captured bacteria that slowly lost their ability to live freely. It's clearly something that happens a lot in nature and has been very poorly characterized." Wolbachia made headlines a year ago with the publication of the genome sequence of the spe...