Results 61 to 70 of about 8,445 (197)
Chemical magnetoreception: bird cryptochrome 1a is excited by blue light and forms long-lived radical-pairs. [PDF]
PLoS ONE, 2007 Cryptochromes (Cry) have been suggested to form the basis of light-dependent magnetic compass orientation in birds. However, to function as magnetic compass sensors, the cryptochromes of migratory birds must possess a number of key biophysical ...
Miriam Liedvogel +7 more
doaj +1 more source
Enhancing the vase life of cut roses through spectral optimisation during greenhouse cultivation
Annals of Applied Biology, EarlyView.Here, we examined three red‐to‐blue (R:B) light emitting diode (LED) ratios (90:10, 80:20 and 70:30) in two cut rose cultivars. All treatments enhanced photosynthesis, with 90:10 showing the strongest effects—raising chlorophyll, carotenoids, anthocyanins and carbohydrate levels, and extending vase life by up to 30%.
Maryam Davarzani +6 more
wiley +1 more source
Structure Function Analysis of Mammalian Cryptochromes [PDF]
Cold Spring Harbor Symposia on Quantitative Biology, 2007 Members of the photolyase/cryptochrome family are flavoproteins that share an extraordinary conserved core structure (photolyase homology region, PHR), but the presence of a carboxy-terminal extension is limited to the cryptochromes. Photolyases are DNA-repair enzymes that remove UV-light-induced lesions.
Tamanini, Filippo +3 more
openaire +2 more sources
Frontiers in Physiology, 2020 Eyes morphologies may differ but those differences are not reflected at the molecular level. Indeed, the ability to perceive light is thought to come from the same conserved gene families: opsins and cryptochromes.
Morgane Bonadè +5 more
doaj +1 more source
Sensing Magnetic Directions in Birds: Radical Pair Processes Involving Cryptochrome [PDF]
, 2014 Birds can use the geomagnetic field for compass orientation. Behavioral experiments, mostly with migrating passerines, revealed three characteristics of the avian magnetic compass: (1) it works spontaneously only in a narrow functional window around the ...
Roswitha Wiltschko, Wolfgang Wiltschko
core +1 more source
A supramolecular assembly of cone‐specific G‐protein and cryptochrome 4a on lipid bilayer
The FEBS Journal, EarlyView.Immobilized phospholipid bilayers on a sensor chip surface serve as membrane platform to investigate critical protein–lipid and protein–protein interaction processes by surface plasmon resonance. The putative magnetoreceptor cryptochrome 4a and the myristoylated cone‐specific G‐protein α‐subunit (Gtα) bind with high affinity to immobilized lipid ...
Ümmügülsüm Güzelsoy‐Flügge +3 more
wiley +1 more source
Magnetoreception through Cryptochrome May Involve Superoxide [PDF]
Biophysical Journal, 2009 In the last decades, it has been demonstrated that many animal species orient in the Earth magnetic field. One of the best-studied examples is the use of the geomagnetic field by migratory birds for orientation and navigation. However, the biophysical mechanism underlying animal magnetoreception is still not understood.
Solov'yov, Ilia, Schulten, Klaus
openaire +3 more sources
Molecular Cloning and Expression Analysis of Cryptochrome Gene PsCRY2 in Tree Peony
Horticultural Plant Journal, 2016 Cryptochromes are blue/ultraviolet-A (UV-A) light receptors involved in regulating various aspects of plant growth and development. Investigations of the structure and functions of cryptochromes in plants have largely focused on herbaceous plants ...
Xiuxia REN +5 more
doaj +1 more source
Journal of Integrative Plant Biology, EarlyView.The rice protein OsFKBP20‐1b protects key RNA‐surveillance factors from breakdown, so they can better eliminate defective messages. This RNA quality‐control boost reduces errors and helps plants survive drought, revealing a link between RNA control and drought tolerance.
Haemyeong Jung +5 more
wiley +1 more source
Chemical compass model for avian magnetoreception as a quantum coherent device
, 2013 It is known that more than 50 species use the Earth's magnetic field for orientation and navigation. Intensive studies particularly behavior experiments with birds, provide support for a chemical compass based on magnetically sensitive free radical ...
Cai, Jianming, Plenio, Martin B.
core +1 more source