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ScienceDaily: Plants & Animals News |
| Changing the genetic 'recipe' for protovertebrates Posted: 21 Jan 2022 09:49 AM PST Researchers conducted single-cell gene expression analysis to uncover the effects of manipulation of the sensory cell regulator POU IV in the protovertebrate Ciona intestinalis. Alteration of POU IV expression led to the induction of cells with characteristics of multiple sensory cell types and cells that express a gene expression profile that has not been previously observed in Ciona intestinalis. The activation of upstream POU IV regulators Foxg and Neurogenin was identified as a possible mechanism underlying the unusual sensory cell development. |
| Posted: 21 Jan 2022 09:48 AM PST In a win-win for commercial fisheries and marine wildlife, researchers have found that using lighted nets greatly reduced accidental bycatch of sharks, rays, sea turtles, and unwanted finfish. |
| Late-life exercise shows rejuvenating effects on cellular level Posted: 21 Jan 2022 09:48 AM PST When 2-year old mice were studied after two months of progressive weighted wheel running, despite having no prior training, it was determined that they were the epigenetic age of mice eight weeks younger than sedentary mice of the same age. |
| Pristine groundwater seeps support native algae on Hawai‘i’s coasts Posted: 20 Jan 2022 01:51 PM PST Native marine macroalgae, also known as limu, or as seaweed, thrive in environments created by natural groundwater seeps, specifically benefiting from the combined effects of enhanced nutrients despite lowered salinity levels, according to a new review. |
| Novel nanoantibiotics kill bacteria without harming healthy cells Posted: 20 Jan 2022 06:12 AM PST The CDC estimates more than 2.8 million Americans experience antibiotic-resistant infections each year. To address this critical issue, researchers recently investigated whether a series of novel nanoparticles can kill some pathogens that lead to infection without affecting healthy cells. |
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