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“#New role of arginine metabolism in plant morphogenesis identified” A colony of Physcomitrium patens with gametophore shoots. Filamentous protonema tissues (pale green) exhibit two dimensional growth to form a mat-like structure. On the other hand, gametophores (dark green) produce leafy shoots as a result of three dimentional growth. Credit: National Institutes of Natural Sciences Arginine…
“#Researchers discover how messenger RNAs transport information to where photosynthesis takes place” Confocal microscope image of two different cyanobacterial strains: Autofluorescence of the pigments of the thylacoid membrane (red), the signals of mRNAs (green) and the colocalization of both signals (yellow). Credit: Conrad Mullineaux In photosynthesis, solar energy is converted into chemical energy, which is…
“#Study reveals RNA G-quadruplex structures in nature for the first time” How Arabidopsis plants grow slower when RNA G-quadruplex is folded. Credit: John Innes Centre Researchers have resolved a longstanding biological debate by revealing the existence and function of complex RNA structures in plants. RNA is often depicted in textbooks as linear and single stranded. But…
“#Parasitic plants attack crops when defending themselves from microbes” Surface temperature of leaves 3 hours after exposure to DMBQ. The surface temperature was lower in the card1-2 mutants (top heat images) than in wildtype plants (bottom heat images). Higher temperature indicates closed pores (stomata) in the leaves, a typical defense that blocks invaders from entering…
“#Eat more to grow more arms… if you’re a sea anemone” The image shown here, taken by Anniek Stokkermans from EMBL’s Ikmi Group, shows a larva of Nematostella vectensis. It is in the process of developing the buds that will give rise to its characteristic tentacles. These first four tentacles develop at defined positions when…
“#Eye of a fly: Researchers reveal secrets of fly vision for rapid flight control” A fruit fly tethered with a stick. Credit: Mark Frye By examining how fruit flies use eye movements to enhance flight control with a staggeringly fast reaction speed—about 30 times faster than the blink of an eye—Penn State researchers have detailed…
“#Small fish populations accumulate harmful mutations that shorten lifespan” Credit: CC0 Public Domain Population bottlenecks contribute to the accumulation of several harmful mutations that cause age-related illnesses in killifish—a finding that may help answer a key question about aging. The study, published today in eLife, reveals why killifish accumulate harmful mutations that cause age-related conditions…
“#Newly discovered sugar transporter might help beans tolerate hot temperatures” Image of assorted colored beans. Credit: Shelly Pauls, Unsplash License MSU-DOE Plant Research Laboratory (PRL) scientists have characterized a sucrose transporter protein found in common beans. The recently discovered protein could help us understand how beans tolerate hot temperatures. The transporter, called PvSUT1.1, is reported…
“#Study finds missing link in the evolutionary history of carbon-fixing protein Rubisco” Rubisco is the most abundant enzyme on the planet. Present in plants, cyanobacteria (also known as blue-green algae) and other photosynthetic organisms, it’s central to the process of carbon fixation and is one of Earth’s oldest carbon-fixing enzymes. Researchers at UC Davis and…
“#A prion-related protein senses warmer temperature in plants” Arabidopsis thaliana. Credit: Wikipedia. Many plants and trees flower in the spring when it gets warmer. How plants sense Scientists from the UK, France, Korea and Germany focused on a protein called EARLY FLOWERING3 (ELF3). ELF3 is a key part of the circadian clock and is necessary…