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8 Billion Visits to Protected Areas Each Year

February 24, 2015

8 Billion Visits to Protected Areas Each Year

A new global analysis by Andrew Balmford, Andrea Manica and colleagues estimates that the world’s protected areas receive about 8 billion visits each year, with an annual economic value of hundreds of billions of dollars.

Image credit: Flickr user Feans

02/24/2015

research article and Synopsis

Making Starch: Targeting Enzymes

David Seung, Samuel Zeeman and co-workers show that the biosynthesis of starch in chloroplasts depends on a novel protein that targets starch synthase to the growing starch granules; this represents a potential target for the biotechnological modification of starch. Read the Synopsis.

Image credit: 10.1371/journal.pbio.1002080

Making Starch: Targeting Enzymes

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Current Issue February 2015

02/18/2015

research article

Candida Caught in Action

A study of the invasive infection of a mammalian host by the pathogenic fungus Candida albicans, conducted by Wenjie Xu, Scott Filler, Aaron Mitchell and colleagues, reveals characteristic gene regulation patterns in response to the host environment, distinct from those seen when growing in vitro.

Image credit: 10.1371/journal.pbio.1000133.g002

Candida Caught in Action

02/24/2015

research article

Ribosome Biogenesis: Releasing the Helpers

U3 snoRNA binds to pre-rRNA, helping to orchestrate key steps in ribosome assembly. This study by Richa Sardana, Xin Liu, Arlen Johnson and colleagues identifies Dhr1 as the essential RNA helicase that releases U3 snoRNA and allows ribosome maturation to continue.

Image credit: 10.1371/journal.pbio.1002083.g003

Ribosome Biogenesis: Releasing the Helpers

02/17/2015

research article

Mammary Gland Development: Making the Duct Lumen

Veronica Rodilla, Silvia Fre and colleagues identify stem cells in the embryonic mammary gland that express the Notch1 receptor, are initially multipotent and highly regenerative, but are progressively restricted to the lumen of the mammary duct, where they may give rise to breast cancer.

Mammary Gland Development: Making the Duct Lumen

Image credit: doi:10.1371/journal.pbio.1002069.g007

02/24/2015

research article and primer

We're All Bayesians Now

A study by Tim Rohe and Uta Noppeney reveals that the human brain uses Bayesian causal inference to integrate and segregate information by encoding multiple estimates of spatial relationships at different levels of the auditory and visual processing hierarchies. Read the accompanying Primer by Christoph Kayser and Ladan Shams.

We're All Bayesians Now

Image credit: 10.1371/journal.pbio.1002073.g003

02/17/2015

research article and synopsis

Monkey See, Monkey Do: the Intraparietal Sulcus

A study of the macaque brain, conducted by Elsie Premereur, Peter Janssen and colleagues, reveals the functional connectivity of neural clusters in the intraparietal sulcus, a region implicated in motor planning, spatial attention, 3-D vision, and grasping. Read the Synopsis.

Monkey See, Monkey Do: the Intraparietal Sulcus

Image credit: Flickr user jinterwas

02/24/2015

PLOS Biologue

Starch, Oil, Water and Arsenic

Christina Kary highlights new additions to the PLOS Collection "The Promise of Plant Transnational Research" and encourages new submissions in this field.

Starch, Oil, Water and Arsenic

Image credit: Christina Kary