The air in a zoo is full of smells, from the fish used for feed to the manure from the grazing herbivores, but now we know it is also full of DNA from the animals living there. In the journal Current Biology on January 6th, ...
Plants & Animals
Jan 6, 2022
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300
A scientific expedition in the Javari River basin on the border between Brazil, Colombia and Peru has shown use of environmental DNA sequencing to be feasible to investigate fish diversity in the Amazon. The eDNA method consists ...
Plants & Animals
Nov 23, 2021
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110
Metagenomics often involves sequencing DNA samples that can only be described as "tricky." Such DNA shows high heterogeneity, which can cause interspecies misassemblies. These misassemblies threaten the very purpose of metagenome ...
Molecular & Computational biology
Oct 11, 2021
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49
Epigenetics is the study of changes in gene activity which are not caused by changes in DNA sequences. DNA methylation—the addition of methyl groups to DNA—is the most well-known epigenetic modification. Lead exposure ...
Ecology
Sep 13, 2021
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9
Let's face it, we are a results-driven society. Too focused on the outcome, people don't often think about the "how." For instance, did you think about "how" you got to work this morning or did you just get there? In microbiome ...
Molecular & Computational biology
Sep 10, 2021
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9
Trickling down over rocks, surrounded by wildflowers and ferns, Appalachian mountain streams are chock-full of life. They hold some of the world's greatest diversity of freshwater animals, including many species that can't ...
Plants & Animals
Sep 2, 2021
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101
Research into insect species can benefit from genetic studies. However, genetic samples can often be difficult to collect in a non-invasive manner, especially when the insects are only found in a particular location or are ...
Plants & Animals
Aug 20, 2021
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6
In a new scientific investigation headed by the German Leibniz Institute for Zoo and Wildlife Research (Leibniz-IZW), water from African and Mongolian waterholes as well as bloodmeals from Southeast Asian leeches were assessed ...
Cell & Microbiology
Jun 28, 2021
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24
In a landmark study, scientists from Australia, Germany and Russia have used ancient DNA recovered from sediment samples from Denisova Cave in Siberia to reveal a detailed occupational history of this unique site by three ...
Archaeology
Jun 23, 2021
1
1577
Sloughed off skin and bodily fluids are things most people would prefer to avoid.
Ecology
May 21, 2021
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24
