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“#Desert algae shed light on desiccation tolerance in green plants” Desert derived green algae (Acutodesmus deserticola) in culture at the Marine Biological Laboratory. Credit: Elena Lopez Peredo Deserts of the U.S. Southwest are extreme habitats for most plants, but, remarkably, microscopic green algae live there that are extraordinarily tolerant of dehydration. These tiny green algae…
“#Male fruit flies’ decline in fertility with age is not only driven by changes in sperm” Fruit fly. Credit: Shutterstock Infertility is one of the most striking effects of aging. The impact of aging on females’ fertility is more severe and much better understood, but it also affects males. Male reproductive aging is less researched,…
“#Researchers construct dynamic landscape of medaka embryogenesis” Credit: CC0 Public Domain Medaka, a fish, has become an important vertebrate model widely used in genetics, developmental biology, environmental sciences, and many other fields. A high-quality genome sequence and a variety of genetic tools are available for this model organism. However, existing genome annotation is still rudimentary,…
“#How old is your dog in human years? Scientists develop better method than ‘multiply by 7’” To calculate your dog’s age in “human years” based on epigenetics, find the dog’s age along the bottom axis and trace your finger straight up until you reach the red curve. Then trace your finger straight over to the…
“#Stimulating production of enzyme in roundworms found to increase lifespan” VRK-1 is a nuclear protein that increases worm life span. (A) VRK-1::GFP was localized in the cellular nuclei of multiple tissues including neurons (asterisks), intestine (arrowheads), and hypodermis (fig. S1B, arrows) at L2 larval stage. Nuclear DNA was stained with 4′,6-diamidino-2-phenylindole (DAPI; blue). See also…
“#Whales used to identify Arabian horses” A computer program that mimics in software the social interactions of the humpback whale has been used by researchers in Egypt to build a system for the identification of Arabian horses. Identification of Arabian racehorses is critical to owner provenance, vaccination handling, disease control, animal traceability, food management, and…
“#Circular RNA found to make fruit flies live longer” The fruit fly Drosophila melanogaster as seen in a microscope. Credit: F. Vinken Ribonucleic acid, or RNA, is part of our genetic code and present in every cell of our body. The best known form of RNA is a single linear strand, of which the function…
“#Software package helps make sense of complex tree data” Credit: Pixabay/CC0 Public Domain Most plant features arise from complex interactions of genes, proteins and metabolites. The identification and analysis of these genetic traits is very challenging, especially when the sequenced genomes are fragmented. In his thesis, Bastian Schiffthaler has improved the genome information from European…
“#Illumination technique for cell surface receptors developed by researchers” Site-specific incorporation of two noncanonical amino acids for two-color bioorthogonal labeling and crosslinking of proteins on live mammalian cells. Credit: Simon Elsässer Human cells sense and communicate via cell surface receptors. Information about the environment is relayed to the inside of the cell through dynamic changes…
“#Fighting fish synchronize their combat moves and their gene expression” A Siamese fighting fish, Betta splendens. Credit: ivabalk, Pixabay When two betta fish are fighting for dominance, not only do their attacks mirror each other, but the gene expression in their brain cells also starts to align. The new findings, published June 17th in PLOS…