Tag: "adaptation" at biology news
Scientists decipher genome of bacterium that helps clean up major groundwater pollutants
...fairly recently possibly by acquiring genes in an adaptation
related to the increasing prevalence of the pollut...fairly recently possibly by acquiring genes in an adaptation
related to the increasing prevalence of the pollutants. As evidence, they point out that about 13.6 ...
Weizmann Insitute scientists show how proteins beat the evolutionary stakes
...ctioning in spite of mutations. But, evolutionary adaptation
requires some mutations to induce new traits. It appears that the organism can have it both ways: the main function remains robust while the promiscuous functions are extremely responsive to mutation." The scientists believe that promiscuity may ...
Researchers compare chicken, human genomes
...se implicated in reproduction, immune response and adaptation
to the environment. The analysis also showed that genes conserved between human and chicken often are also conserved in fish. For example, 72 percent of the corresponding pairs of chicken and human genes also possess a counterpart in the genome of t...
Heart responds to fasting by remodeling vital energy-producing components
...mitochondria more energy efficient and serve as an adaptation
to nutritional deprivation in mammals," says Richard Gross, M.D., Ph.D., senior author and professor of medicine and director of the Division of Bioorganic Chemistry and Molecular Pharmacology in the Department of Medicine. The findings, scheduled to...
Scientists advocate genomic sequencing of 'living fossil'
... sequence changes that contributed to evolutionary adaptation
and speciation. Although a wide assortment of species have been chosen for sequencing, ranging from lampreys to armadillos ( www.genome.gov/12511858 ), Myers observed: "We're missing an organism that could really shed light on the emergence of land ...
Molecular switch provides clues to remarkable adaptability of human pathogen
...se to changing environmental conditions to promote adaptation
and long-term survival. Pseudomonas aeruginosa is frequently found in soil, water, plants, and animals and can thrive in a wide variety of environments. P. aeruginosa also causes a variety of potentially fatal infections in humans with a disease- o...
Laboratory test of evolutionary theory confirms importance of links between populations
... to lower-nutrient communities sped up the rate of adaptation
in the lower-nutrient communities by bringing in n...the results were relatively complex. We found that adaptation
can vary in both space and time across a heterogeneous landscape. It's mind-boggling to think about ...
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