As the climate changes, living things must adapt to new environmental conditions in one of two ways—either geographically or genetically. While it's relatively simple for scientists to track and record a species' geographic ...
Evolution
Jun 21, 2023
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61
Genetic variation is the ultimate fuel for evolution, says Utah State University evolutionary geneticist Zachariah Gompert. But, over centuries, that fuel reservoir gets depleted in the course of natural selection and random ...
Plants & Animals
Jun 12, 2023
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306
A study of the relationship between the growth rate of tropical trees and the frequency of genetic mutations they accumulate suggests that older, long-lived trees play a greater role in generating and maintaining genetic ...
Evolution
Jun 6, 2023
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78
Pigmented rice is known to be much more nutritious than white rice and could be an important resource to improve human health and combat malnutrition. However, improved yield and agronomic traits are needed if these varieties, ...
Molecular & Computational biology
Jun 5, 2023
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8
Tiny foxes—each no bigger than a five-pound housecat—inhabiting the Channel Islands off the coast of Southern California were saved from extinction in 2016. However, new research reveals that the foxes now face a different ...
Ecology
May 31, 2023
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44
Blackgrass has become the most economically damaging herbicide-resistant weed in Europe. A team led by researchers of the Max Planck Institute for Biology Tübingen and the University of Hohenheim in Stuttgart has now found ...
Molecular & Computational biology
Apr 13, 2023
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38
The Indo-West Pacific is the largest, most biodiverse marine ecosystem on Earth, and many of the species it supports have comparably wide ranges. Writing in The Origin of Species, Charles Darwin noted that "… many fish ...
Evolution
Mar 29, 2023
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16
Meiotic recombination assures genetic variation during breeding. During meiotic prophase I, chromosomes are organized in a loop-base array by a proteinaceous structure called meiotic chromosome axis, which is critical for ...
Plants & Animals
Mar 13, 2023
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7
Certain genes can exist in different, functionally divergent variants in the individuals of a species. If they lead to clear differences, for example in a phenotype or susceptibility to disease, this is known in biology as ...
Evolution
Jan 31, 2023
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16
Wheat containing exotic DNA from wild relatives benefits from up to 50 percent higher yields in hot weather compared with elite lines lacking these genes, according to a new study.
Biotechnology
Jan 10, 2023
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22
