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tag mouse study ecology

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Engineering the Microbiome: CRISPR Leads the Way
Mariella Bodemeier Loayza Careaga, PhD | Mar 15, 2024 | 10+ min read
Scientists have genetically modified isolated microbes for decades. Now, using CRISPR, they intend to target entire microbiomes.
Weathering Hantavirus: Ecological Monitoring Provides Predictive Model
Steve Bunk | Jul 4, 1999 | 7 min read
Photo: Steve Bunk Dave Tinnin, field research associate in the University of New Mexico's biology department, takes blood samples and measurements of rodents caught on the research station grounds. At the end of a freeway exit near Soccoro, N.M., the hairpin turn onto a gravel road is marked by a sign that warns, "Wrong Way." But it isn't the wrong way if you want to reach the University of New Mexico's (UNM) long-term ecological research (LTER) station. The sign's subterfuge is the first indi
Hate ticks? Save deer
Ivan Oransky | Jan 1, 2007 | 3 min read
Ticks feeding on a yellow necked mouse. Credit: COURTESY OF DAMIAMO ZANOCCO" />Ticks feeding on a yellow necked mouse. Credit: COURTESY OF DAMIAMO ZANOCCO If you thought it made sense to decrease disease-carrying ticks in your area by removing the deer that harbor ticks, Sarah Perkins has some news for you. Perkins, a postdoc in the Center for Infectious Disease Dynamics at Pennsylvania State University, recently looked at studies in which researchers removed deer from large areas, ca
An illustration of green bacteria floating above neutral-colored intestinal villi
The Inside Guide: The Gut Microbiome’s Role in Host Evolution
Catherine Offord | Jul 1, 2021 | 10+ min read
Bacteria that live in the digestive tracts of animals may influence the adaptive trajectories of their hosts.
The Proteasome: A Powerful Target for Manipulating Protein Levels
John Hines and Craig M. Crews | May 1, 2017 | 10+ min read
The proteasome’s ability to target and degrade specific proteins is proving useful to researchers studying protein function or developing treatments for diseases.
Illuminating Behaviors
Douglas Steinberg | Jun 1, 2003 | 6 min read
Courtesy of Genevieve Anderson If not for Nobel laureates Thomas Hunt Morgan, Eric R. Kandel, and Sydney Brenner, the notion of a general behavioral model might seem odd. Behaviors, after all, are determined by an animal's evolutionary history and ecological niche. They are often idiosyncratic, shared in detail only by closely related species. But, thanks to Morgan's research in the early 20th century, and Kandel's and Brenner's work over the past 35 years, the fly Drosophila melanogaster, t
Behavior in Action
Kelly Rae Chi | Oct 1, 2009 | 7 min read
By Kelly Rae Chi Behavior in Action Tools and techniques for tracking mammalian behavior. Even the seemingly simplest mammalian behaviors, such as grooming one’s offspring, involve a complex series of tiny movements that may be invisible to the human eye. But in studying those behaviors, how to break them down into reliable, measurable components? “All of these advances in technology give us data that [weren’t] available
The Hidden Side of Sex
Patricia L.R. Brennan | Jul 1, 2014 | 10+ min read
Sexual selection doesn’t end when females choose a mate. Females and males of many animal species employ an array of tactics to stack the deck in their reproductive favor.
MAIL
The Scientist Staff | Feb 1, 2007 | 4 min read
Anthrax, tigers, and bison Jack Woodall has raised some very important and contentious issues in wildlife conservation. 1 It is true that improved funding such as that available in countries like Canada could help achieving conservation goals in developing countries like India, where poaching poses a threat to many wild species, including the tiger. Interestingly, Bandhavgarh Tiger Reserve, where he had an unpleasant and life-threatening experience is supposed to be am
"Big Cross" Lands Sticklebacks in the Spotlight
David Secko | Nov 7, 2004 | 5 min read
Marine threespine sticklebacks haven't morphologically changed in an estimated 10 million years, but their freshwater offshoots show no signs of slowing down. These 5-cm-long, freshwater fish have undergone a recent evolutionary change, variably losing their calcified body armor and retractable pelvic and dorsal spines. Remarkably, isolated marine and freshwater sticklebacks can be hybridized in the laboratory, a fact that is allowing researchers to analyze the genetics behind their natural dive

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