A5090383670- Light effects on plants
- Biocrusts and Microbial Ecology
- Photosynthetic Processes and Mechanisms
- Microbial Community Ecology and Physiology
- Algal biology and biofuel production
- Greenhouse Technology and Climate Control
- Slime Mold and Myxomycetes Research
- Protist diversity and phylogeny
- Photoreceptor and optogenetics research
- Plant Molecular Biology Research
Northeastern Illinois University
2017-2024
Phytochromes are red-light photoreceptors that were first characterized in plants, with homologs photosynthetic and non-photosynthetic bacteria known as bacteriophytochromes (BphPs). Upon absorption of light, BphPs interconvert between two states denoted Pr Pfr distinct spectra the red far-red. They have recently been engineered enzymatic photoswitches for fluorescent-marker applications non-invasive tissue imaging mammals. This article presents cryo- room-temperature crystal structures...
Phytochromes are red-light photoreceptors discovered in plants with homologs bacteria and fungi that regulate a variety of physiological responses. They display reversible photocycle between two distinct states: red-light-absorbing Pr state far-red light-absorbing Pfr state. The photoconversion regulates the activity an enzymatic domain, usually histidine kinase (HK). molecular mechanism explains how light controls HK is not understood because structures unmodified bacterial phytochromes...
Phytochromes constitute a family of photosensory proteins that are utilized by various organisms to regulate several physiological processes. bind bilin pigment switches its isomeric state upon absorption red or far-red photons, resulting in protein conformational changes sensed the organism. Previously, ultrafast dynamics bacterial phytochrome was resolved atomic resolution time-resolved serial femtosecond X-ray diffraction (TR-SFX), showing extensive molecular conformation at 1 picosecond...
Abstract Phytochromes are essential photoreceptor proteins in plants with homologs bacteria and fungi that regulate a variety of important environmental responses. They display reversible photocycle between two distinct states, the red-light absorbing Pr far-red light Pfr, each its own structure. The to Pfr photoconversion requires covalently bound bilin chromophore regulates activity C-terminal enzymatic domain, which is usually histidine kinase (HK). In plants, phytochromes translocate...
Bacteriophytochromes (BphPs) are red‐light photoreceptor proteins found in photosynthetic and non‐photosynthetic bacteria. They unique among photoreceptors their ability to undergo reversible photoconversion between spectrally distinct red (Pr, 700nm) far‐red (Pfr, 750nm) light absorbing states. BphPs composed of an N‐terminal photosensory module, consisting PAS, GAF, PHY domains, covalently linked effector domain, usually a histidine kinase. For photoresponse, require biliverdin (BV),...