All Ecology & Evolution articles – Page 6
-
NewsRed Queen arms race over millions of years preserves genetic diversity in water flea
Host/parasite arms races can occur without interruption over many millions of years, a much longer period than previously thought, according to scientists who compared the genetic material of millimeter-sized water fleas infected by a parasitic bacterium.
-
NewsStudy analyzes potato-pathogen ‘arms race’ after Irish famine
In an examination of the genetic material found in historic potato leaves, researchers reveal more about the tit-for-tat evolutionary changes occurring in both potato plants and the pathogen that caused the 1840s Irish potato famine.
-
NewsAncient Antarctic microorganisms are aggressive predators
Antarctic dwelling single-celled microorganisms called archaea can behave like parasites, new research shows.
-
NewsWarming stops tiny organisms working together
The single-celled organism Paramecium bursaria can absorb and host algae (Chlorella spp), providing benefits for both, but when scientists made the water 5°C warmer, the partnership stopped working – and the algae may even become parasitic.
-
NewsShared geographic origin of TB strain and human host could boost risk of infection
For some forms of tuberculosis, the chances that an exposed person will get infected depend on whether the individual and the bacteria share a hometown, according to a study comparing how different strains move through mixed populations in cities.
-
News3D models provide unprecedented look at corals’ response to bleaching events
A new study provides a first-of-its-kind glimpse into coral ‘bleaching’ responses to stress, using imaging technology to pinpoint coral survival rates following multiple bleaching events off the island of Maui.
-
NewsApplied Microbiology International expert recognized for exceptional scientific leadership
AMI member Jizhong (Joe) Zhou, director of the OU Institute for Environmental Genomics, has been presented with the Distinguished Scientist Award from the Southeastern Universities Research Association at its annual meeting.
-
NewsResearchers find new way to turn bacteria into cellulose-producing mini-factories
A new approach to turning microorganisms into living mini-factories has been developed, allowing scientists to produce tens of thousands of variants of the bacterium very quickly.
-
NewsScientists untangle interactions between the Earth’s early life forms and the environment over 500 million years
A new perspective explores the intricate feedbacks among ancient life forms, including algae, plants and animals, and the chemical environment in the current Phanerozoic Eon, which began approximately 540 million years ago.
-
NewsResearchers identify structural characteristics of newly emerged SARS-CoV-2 variants
A new study has revealed the spike (S) protein structures of the recently emerged BA.2.86, JN.1, EG.5, EG.5.1 and HV.1 subvariants of SARS-CoV-2, and conducted systematic comparative analysis on these subvariants.
-
NewsHow evolution tamed a deadly virus and why we should still worry
The story of the rise and fall of western equine encephalitis as a lethal disease offers essential lessons about how a pathogen can gain or lose its ability to jump from animals to humans.
-
NewsInter-variant recombination, genomic perspectives and pathogenicity of emerging sub-variants of Omicron
A review highlights recent updates on newly identified Omicron sub-variants, focusing on their genomic alterations, infectivity patterns, and pathogenic manifestations.
-
NewsRhythm led by plants is crucial for symbiosis with nutrient-providing bacteria
Recent research on Lotus japonicus has unveiled that the interaction between legume roots and rhizobia is characterized by periodic gene expression with a six-hour rhythm, maintained with the help of the plant hormone cytokinin.
-
NewsWastewater could yield thousands of novel viruses, study reveals
Deep metagenomic sequencing of wastewater in Berlin over 17 months shows this technique could help forecast disease outbreaks and monitor the spread of human pathogens. It can also reveal thousands of novel viruses, a new study reveals.
-
NewsAncient microbes offer clues to how complex life evolved
A single-celled organism, a close relative of animals, harbors the remnants of ancient giant viruses woven into its own genetic code, shedding light on how complex organisms may have acquired some of their genes.
-
NewsScientists build roadmap to bioengineer plants that produce their own nitrogen fertilizer
Nitrogen fertilizers make it possible to feed the world’s growing population, but they are also costly, harm ecosystems and require a lot of energy to manufacture. However, a few plants have evolved the ability to make their own nitrogen with the help of bacteria. A new study helps explain how ...
-
NewsHibernation status matters when white-nose syndrome pathogen infects bats
The fungal pathogen that causes white-nose syndrome (WNS) in bats uses different cell entry strategies depending on the host’s hibernation status – cold and inactive, or warm and active.
-
NewsThe plague may have caused the downfall of the Stone Age farmers
Ancient DNA from bones and teeth hints at a role of the plague in Stone Age population collapse. Contrary to previous beliefs, the plague may have diminished Europe’s populations long before the major plague outbreaks of the Middle Ages.
-
NewsStudy reveals next steps to uncover early life on Earth
Despite decades of research, there’s still much scholars don’t understand about life’s beginnings and early evolution. A UC Riverside paper has opened the door to understanding more and to framing future studies that could help predict climate change and search for life beyond Earth. Source: Tim ...
-
NewsMagnetic bacteria could be key to the miraculous mystery of migration
The remarkable ability of migratory animals to navigate and recall routes may be attributed to a sensitivity to not just Earth’s magnetic fields, but perhaps an interaction with magnetic bacteria living inside them, a new study suggests.