Tag: "aerobic" at biology news

Fussy microbe holds promise for environmental cleanup

...oxic substance that can then be easily degraded by aerobic microbes in soil. The beauty of the newly discovered bacterium is that it does its work under water, preventing the toxin from escaping into the atmosphere and causing ozone depletion. Finding TCA1 and understanding how to make it thrive is a first s...

Lower insulin sensitivity found In Mexican-Americans, regardless of behavioral and metabolic factors

...males) age 18-40, on the basis of gender, age, and aerobic fitness. Subjects were eligible for participation on the basis of the following characteristics: being nonsmoking, apparently healthy individuals with no overt signs or symptoms of disease as determined by a medical history, and having normal fastin...

Photosynthesis analysis shows work of ancient genetic engineering

...owing them to dominate the earth. The evolution of aerobic photosynthesis in bacteria is also the most likely reason for the development of an oxygen-rich atmosphere that transformed the chemistry of the Earth billions of years ago, further triggering the evolution of complex life. After decades of research...

UCSD biologists discover key to blocking inflammation

...s, which all possess the ability to switch between aerobic and anaerobic metabolism, and cells that circulate through the body. "Cells that migrate throughout the body need to have the capacity to function in low oxygen environments," he adds. "If you remove that, you've limited the ability of the cell to ...

Natural approach to cleaning up toxic freeway runoff urged

...the gravel lets in air that promotes the growth of aerobic bacteria, creating an effective, natural treatment system. Heavy metals are absorbed by the soil, where they remain trapped. The soil need not be replaced for at least 20 -- and possibly as long as 50 -- years, Stenstrom said. Similar bioinfiltration...

Bacteria convert food processing waste to hydrogen

...ly one-fourth to one-fifth the volume from typical aerobic treatment processes. "Using this continuous fermentation process, we can strip nearly all of the energy out of the wastewater in forms that people can use now. While this approach has high capital costs at the outset, our calculations show that it c...

Few microbiological differences in households using antibacterials

...er colleagues performed a "snapshot" survey of the aerobic bacteria from bathroom and kitchen surfaces of 38 households located in the greater Boston and Cincinnati areas. They evaluated the total numbers of gram-negative and gram-positive bacteria, including potential pathogens, as well as the frequency of...

Microbe from depths takes life to hottest known limit

...lizes the microbe's description--uses iron the way aerobic animals use oxygen. "It's a novel form of respiration," Lovley says, explaining how Strain 121 uses iron to accept electrons. (Many archaea also use sulfur). As oxygen does in humans, the iron allows the microbe to burn its food for energy. Chemic...

Study seeks genetic keys to exercise success

...three-day-a-week class that involves 30 minutes of aerobic exercise each period along with one mini-presentation on aspects of fitness and exercise each week. Completion of the 30-week study requires enrollment in the class in the spring semester as well. Any volunteer is free to withdraw from the researc...

Experimental cancer drugs may halt events that lead to cardiac hypertrophy and heart failure

... healthy physiological response to events, such as aerobic exercise, where heart cells grow larger like any other well-conditioned muscle. Pathological hypertrophy, however, may result from genetic mutation or, most commonly, from the consequences of an unhealthy cardiovascular system. "The exertion of pus...

New findings can help parents looking to combat number of kids' sick days

...pent more time in sports activities and had higher aerobic fitness reported fewer "sick" days, and those with... activity and fitness assessments : Predicted peak aerobic power was estimated and recorded. An estimate of each individual's peak O2 was also determined. A H...

Can the mode of training affect the hormone response to different modes of exercise?

... and strength measurements were performed. Maximal aerobic power was determined using a progressive, incremen...The END subjects had significantly greater maximal aerobic power. Body mass did not change prior to or during the study. Exercise Sessions : Cardiorespi...

Exercise reduces blood estrogens, risk for breast cancer in post menopausal women

...ly intensive exercise regiment initially aimed for aerobic activity resulting in the women reaching 40 percent of maximal heart rate for 16 minutes per session. The exercise workload increased gradually to the point where the women reached 60-75 percent maximal heart rate for 45 minutes per session. The wome...

Is a single bout of exercise helpful or harmful in getting a good night's sleep?

...p obtained after non-habitual acute resistance and aerobic exercise. Of interest was whether a single workout...ons (i.e., high and moderate volume resistance and aerobic exercise) when compared to the no exercise condition. Volunteers also reported waking up significan...

New studies show Curves Program raises metabolic rate in overweight and sedentary women

...ovements in blood pressure, resting heart rate and aerobic fitness," Kreider said. Gary Heavin, founder...provement in strength and a 15 percent increase in aerobic capacity. Their blood cholesterol, resting heart rate, and resting blood pressure also improved, re...

Brace therapy for osteoarthrisis, legal issues in TBI research, prosthetic fitting

...y or musculoskeletal system impairments or reduced aerobic capacity may walk with less effort with the aid of ESFOS. New method of evaluating posture may reduce falls in people with balance disorders, pg 207 A new method to evaluate posture control may reduce fall-related injuries in aging adults and...

Endurance exercise found to be equally effective as diuretics in improving cardiac health

...e exercise training induced a 15% increase peak in aerobic power and consisted of increased time on a treadmi...c mass with improvements in insulin resistance and aerobic capacity and because aggressive reduction of blood pressure by antihypertensive medications may not ...

Joslin Diabetes Center releases new low impact exercise video

...s, one seated and one standing, performing similar aerobic activities. Seated exercises are appropriate for .... The standing version involves a higher level of aerobic activity, but is still relatively "low impact." Each workout segment is set to mu...

Engineering endurance: The future of the Olympics?

...ge anaerobic metabolism, their muscles switched to aerobic pathways. During endurance tests, the mutants could swim and run uphill longer than the normal mice, but when it came to running downhill, the normal mice prevailed. Downhill running, it turns out, favors glycolytic metabolism; uphill running and sw...

UCSD biologists develop 'super-endurance' strain of mice

... gene that allows mammalian muscles to switch from aerobic to anaerobic metabolism when oxygen levels in the ...th an extraordinary capacity for longer, sustained aerobic endurance exercise. But while these endurance-enhanced mice can run and swim to exhaustion in labora...

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