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Bioscience News
Today's biological science headlines from the sources selected by our team:

El Niño could drive intense season for Amazon fires
The long-lasting effects of El Niño are projected to cause an intense fire season in the Amazon, according to the 2016 seasonal forecast from experts.
Plants & Animals News -- ScienceDaily, Thu, 30 Jun 2016 06:32:18 GMT

As sea level rises, Hudson River wetlands may expand
In the face of climate change impact and inevitable sea level rise, scientists studying New York's Hudson River estuary have forecast new tidal wetlands, comprising perhaps 33 percent more wetland area by the year 2100.
Plants & Animals News -- ScienceDaily, Thu, 30 Jun 2016 06:32:18 GMT

Little to no association between butter consumption, chronic disease or total mortality
An epidemiological study analyzing the association of butter consumption with chronic disease and mortality finds that butter was only weakly associated with total mortality, not associated with heart disease, and slightly inversely associated (protective) with diabetes.
Plants & Animals News -- ScienceDaily, Thu, 30 Jun 2016 06:32:18 GMT

All signs point to health: Arrows on grocery floors increased the proportion of produce spending
(Elsevier Health Sciences) Fruit and vegetable availability is often assumed to be a purchase barrier, yet fruit and vegetable availability does not necessarily result in frequent purchases. Rather, in-store marketing of less-healthy foods may be a major influencing factor in consumer spending habits regarding fruits and vegetables. A new study, in which in-store marketing focused attention on fruits and vegetables, resulted in an increased proportion of produce purchases keeping overall food spending the same.
EurekAlert! - Biology, Thu, 30 Jun 2016 06:32:18 GMT

Plutons, swarms, geothermal energy, and active margins in transition
(Geological Society of America) New articles from the Geological Society of America's online-only journal, Geosphere, are now available. These new releases include three open-access articles, 'Geochronological imaging of an episodically constructed subvolcanic batholith: U-Pb in zircon chronochemistry of the Altiplano-Puna Volcanic Complex of the Central Andes;' 'Slab-rollback ignimbrite flareups in the southern Great Basin and other Cenozoic American arcs: A distinct style of arc volcanism;' and 'Extraction of three-dimensional fracture trace maps from calibrated image sequences.'
EurekAlert! - Biology, Thu, 30 Jun 2016 06:32:18 GMT

Ocean acidification affects predator-prey response
(University of California - Davis) Ocean acidification makes it harder for sea snails to escape from their sea star predators, according to a study from UC Davis. The findings suggest that by disturbing predator-prey interactions, ocean acidification could spur cascading consequences for food web systems in shoreline ecosystems.
EurekAlert! - Biology, Thu, 30 Jun 2016 06:32:18 GMT

Watching a forest breathe

Flux towers are equipped with inlets for "sniffing the air " above the forest, in addition to other instruments such as sonic anemometers for measuring wind.
For the first time, scientists have been successful in measuring the processes by which an entire forest "breathes," using sophisticated technology involving flux towers and new instrumentation that can precisely measure two different types (isotopes) of carbon dioxide in the air. A team led by Richard Wehr and Scott Saleska at the University of Arizona obtained detailed long-term measurements of the respiration and photosynthesis rates of a temperate deciduous forest during the day and the night.

Biology News Net, Thu, 30 Jun 2016 06:32:18 GMT

Gene Drive Technology: Where is the future?

Gene drive technologies may one day help alleviate the burden caused by diseases transmitted by mosquitoes and other animal vectors.
The BioScience Talks podcast features discussions of topical issues related to the biological sciences.

Biology News Net, Thu, 30 Jun 2016 06:32:18 GMT

New technique sorts drivers from passengers in cancer genomics, implicates GON4L

Tumor DNA is cluttered with genomic alterations, the vast majority of which have little or no functional or clinical relevance. This means that even when cancer researchers discover an alteration in a tumor or a line of cancer cells, the alteration may or may not be relevant to the progression of the disease - chances are good (and history has shown) that many alterations that are correlated with cancer are not causative of cancer; many alterations are "passengers" rather than "drivers". A University of Colorado Cancer Center study published in the journal Cancer Research demonstrates a novel method for sorting passenger from driver alterations, and uses this method to pinpoint a new driver and potential therapeutic target in cancer progression, GON4L.

Biology News Net, Thu, 30 Jun 2016 06:32:18 GMT

Deceptive sexual signals keep the peace in a bonobo society
Female bonobos could have become the dominant sex in their societies by deceiving males as to when they are likely to conceive, according to research published in the open access journal BMC Evolutionary Biology. The females' unreliable sexual swellings, which can remain swollen up to 31 days, make it difficult for a male to monopolize and guard female mates to ensure he sires their offspring. This may reduce aggressive mate competition and male sexual coercion toward females, and result in bonobo societies being relatively peaceful.
Biology News - Evolution, Cell theory, Gene theory, Microbiology, Biotechnology, Thu, 30 Jun 2016 06:32:18 GMT

Researchers design new camera tag for white sharks
Scientists know that white sharks are important ocean predators, but many aspects of their lives are still a mystery. For example, each winter, large white sharks leave the California coast and swim halfway to Hawaii, congregating in an area known as the "White Shark Café." The males then repeatedly dive hundreds of feet below the surface. Researchers speculate that the sharks might be chasing prey or mating.
Biology News - Evolution, Cell theory, Gene theory, Microbiology, Biotechnology, Thu, 30 Jun 2016 06:32:18 GMT

Collisions during DNA replication and transcription contribute to mutagenesis
When a cell makes copies of DNA and translates its genetic code into proteins at the same time, the molecular machinery that carries on replication and the one that transcribes the DNA to the mRNA code move along the same DNA double strand as their respective processes take place. Sometimes replication and transcription proceed on the same direction, but sometimes the processes are in a collision course. Researchers at Baylor College of Medicine and the University of Wisconsin have determined that these collisions can significantly contribute to mutagenesis. Their results appear today in Nature.
Biology News - Evolution, Cell theory, Gene theory, Microbiology, Biotechnology, Thu, 30 Jun 2016 06:32:18 GMT

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