Abstract:
:Cyanobacteria are photosynthetic prokaryotes that make major contributions to the production of the oxygen in the Earth atmosphere. The photosynthetic machinery in cyanobacterial cells is housed in flattened membrane structures called thylakoids. The structural organization of cyanobacterial cells and the arrangement of the thylakoid membranes in response to environmental conditions have been widely investigated. However, there is limited knowledge about the internal dynamics of these membranes in terms of their flexibility and motion during the photosynthetic process. We present a direct observation of thylakoid membrane undulatory motion in vivo and show a connection between membrane mobility and photosynthetic activity. High-resolution inelastic neutron scattering experiments on the cyanobacterium Synechocystis sp. PCC 6803 assessed the flexibility of cyanobacterial thylakoid membrane sheets and the dependence of the membranes on illumination conditions. We observed softer thylakoid membranes in the dark that have three-to four fold excess mobility compared to membranes under high light conditions. Our analysis indicates that electron transfer between photosynthetic reaction centers and the associated electrochemical proton gradient across the thylakoid membrane result in a significant driving force for excess membrane dynamics. These observations provide a deeper understanding of the relationship between photosynthesis and cellular architecture.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Stingaciu LR,O'Neill H,Liberton M,Urban VS,Pakrasi HB,Ohl Mdoi
10.1038/srep19627subject
Has Abstractpub_date
2016-01-21 00:00:00pages
19627issn
2045-2322pii
srep19627journal_volume
6pub_type
杂志文章abstract::Proteus mirabilis forms extensive crystalline biofilms on indwelling urethral catheters that block urine flow and lead to serious clinical complications. The Bcr/CflA efflux system has previously been identified as important for development of P. mirabilis crystalline biofilms, highlighting the potential for efflux pu...
journal_title:Scientific reports
pub_type: 杂志文章
doi:10.1038/s41598-017-12445-w
更新日期:2017-09-22 00:00:00
abstract::The aim of this prospective study was to evaluate the changes in stereopsis in patients who underwent vitrectomy for macular hole (MH) and assess the relationship between stereopsis and retinal microstructures. Fifty-two patients who underwent successful vitrectomy for unilateral MH and 20 control participants were re...
journal_title:Scientific reports
pub_type: 杂志文章
doi:10.1038/s41598-020-76648-4
更新日期:2020-11-11 00:00:00
abstract::Loss of olfactomedin 4 (OLFM4) gene expression is associated with the progression of human prostate cancer, but its role and the molecular mechanisms involved in this process have not been completely understood. In this study, we found that Olfm4-knockout mice developed prostatic intraepithelial neoplasia and prostati...
journal_title:Scientific reports
pub_type: 杂志文章
doi:10.1038/srep16974
更新日期:2015-11-19 00:00:00
abstract::The plasmodial CTP:phosphocholine cytidylyltransferase (PfCCT) is a promising antimalarial target, which can be inhibited to exploit the need for increased lipid biosynthesis during the erythrocytic life stage of Plasmodium falciparum. Notable structural and regulatory differences of plasmodial and mammalian CCTs offe...
journal_title:Scientific reports
pub_type: 杂志文章
doi:10.1038/s41598-018-27183-w
更新日期:2018-06-12 00:00:00
abstract::Cohesins are vital for chromosome organisation during meiosis and mitosis. In addition to the important function in sister chromatid cohesion, these complexes play key roles in meiotic recombination, DSB repair, homologous chromosome pairing and segregation. Egg-laying mammals (monotremes) feature an unusually complex...
journal_title:Scientific reports
pub_type: 杂志文章
doi:10.1038/s41598-017-04560-5
更新日期:2017-06-26 00:00:00
abstract::Liquids exhibit a sudden increase in viscosity when cooled fast enough, avoiding thermodynamically predicted route of crystallization. This phenomenon, known as glass transition, leads to the formation of non-periodic structures known as glasses. Extensive studies have been conducted on model materials to understand g...
journal_title:Scientific reports
pub_type: 杂志文章
doi:10.1038/s41598-019-41231-z
更新日期:2019-03-14 00:00:00
abstract::Shikimate is a key intermediate in the synthesis of neuraminidase inhibitors. Compared with traditional methods, microbial production of shikimate has the advantages of environmental friendliness, low cost, feed stock renewability, and product selectivity and diversity. Despite these advantages, shikimate kinase I and...
journal_title:Scientific reports
pub_type: 杂志文章
doi:10.1038/srep29745
更新日期:2016-07-13 00:00:00
abstract::Here we report the study of two bioengineered variants of human trace amine-associated receptor 5 (hTAAR5) that were expressed in stable tetracycline-inducible HEK293S cell lines. A systematic detergent screen showed that fos-choline-14 was the optimal detergent to solubilize and subsequently purify the receptors. Mil...
journal_title:Scientific reports
pub_type: 杂志文章
doi:10.1038/srep00102
更新日期:2011-01-01 00:00:00
abstract::The ecological success of diatoms is emphasized by regular blooms of many different species in all aquatic systems, but the reason behind their success is not fully understood. A special feature of the diatom cell is the frustule, a nano-patterned cell encasement made of amorphous biosilica. The optical properties of ...
journal_title:Scientific reports
pub_type: 杂志文章
doi:10.1038/srep17403
更新日期:2015-12-02 00:00:00
abstract::Good mechanical properties and large adiabatic temperature change render Heusler-type Ni2FeGa-based magnetic shape memory alloys as a promising candidate material for solid-state mechanical cooling application at ambient conditions. Superelastic behavior and associated elastocaloric effect strongly reply on deformatio...
journal_title:Scientific reports
pub_type: 杂志文章
doi:10.1038/srep25500
更新日期:2016-05-03 00:00:00
abstract::The concept of parity-time (PT) symmetry in SPPs is proposed and confirmed for the first time in this work. By introducing periodic modulation of the effective refractive index in SPP system, the asymmetric propagation is theoretically predicted and numerically demonstrated. After validation of this concept, we apply ...
journal_title:Scientific reports
pub_type: 杂志文章
doi:10.1038/srep14981
更新日期:2015-10-08 00:00:00
abstract::The linkage between oxidative stress and idiopathic chronic fatigue (ICF) has not been explored in detail. This study thoroughly compared the serum levels of biomarkers for oxidative stress and antioxidants from 103 subjects with ICF (20 men and 83 women) to those of 82 healthy volunteers (27 men and 55 women). Oxidat...
journal_title:Scientific reports
pub_type: 杂志文章
doi:10.1038/s41598-018-31270-3
更新日期:2018-08-27 00:00:00
abstract::High levels of reproductive failure were detected in some Spanish sow farms in the Spring of 2010. Regular returns to estrus and variable reductions in litter size were observed. The problem started suddenly and did not appear to be related to the quality of the ejaculates, disease, alterations of body condition or an...
journal_title:Scientific reports
pub_type: 杂志文章
doi:10.1038/srep04913
更新日期:2014-05-09 00:00:00
abstract::Glioblastoma (GBM) is one of the deadliest human cancers. Because of the extremely unfavorable prognosis of GBM, it is important to develop more effective diagnostic and therapeutic strategies based on biologically and clinically relevant subclassification systems. Analyzing a collection of seventeen patient-derived g...
journal_title:Scientific reports
pub_type: 临床试验,杂志文章
doi:10.1038/srep21557
更新日期:2016-02-09 00:00:00
abstract::We analyze the ferroelectric domain-wall induced negative capacitance (NC) effect in Metal-FE-Insulator-Metal (MFIM) and Metal-FE-Insulator-Semiconductor (MFIS) stacks through phase-field simulations by self-consistently solving time-dependent Ginzburg Landau equation, Poisson's equation and semiconductor charge equat...
journal_title:Scientific reports
pub_type: 杂志文章
doi:10.1038/s41598-020-66313-1
更新日期:2020-06-23 00:00:00
abstract::During development sex differences in aromatase expression in limbic regions of mouse brain depend on sex chromosome factors. Genes on the sex chromosomes may affect the hormonal regulation of aromatase expression and this study was undertaken to explore that possibility. Male E15 anterior amygdala neuronal cultures e...
journal_title:Scientific reports
pub_type: 杂志文章
doi:10.1038/s41598-017-05658-6
更新日期:2017-07-13 00:00:00
abstract::Vaccine platforms that can be flexibly loaded with antigens can contribute to decrease response time to emerging infections. For many pathogens and chronic infections, induction of a robust cytotoxic T lymphocytes-mediated response is desirable to control infection. Antigen delivery into the cytoplasm of antigen prese...
journal_title:Scientific reports
pub_type: 杂志文章
doi:10.1038/s41598-017-08787-0
更新日期:2017-08-29 00:00:00
abstract::Computational ghost imaging (CGI) achieves single-pixel imaging by using a Spatial Light Modulator (SLM) to generate structured illuminations for spatially resolved information encoding. The imaging speed of CGI is limited by the modulation frequency of available SLMs, and sets back its practical applications. This pa...
journal_title:Scientific reports
pub_type: 杂志文章
doi:10.1038/srep45325
更新日期:2017-03-30 00:00:00
abstract::State-of-the-art of preoperative planning for forearm orthopaedic surgeries is currently limited to simple bone procedures. The increasing interest of clinicians for more comprehensive analysis of complex pathologies often requires dynamic models, able to include the soft tissue influence into the preoperative process...
journal_title:Scientific reports
pub_type: 杂志文章
doi:10.1038/s41598-020-63436-3
更新日期:2020-04-14 00:00:00
abstract::Optical polarizing devices exploiting graphene embedded in waveguides have been demonstrated in the literature recently and both the TE- and TM-pass behaviors were reported. The determination of the passing polarization is usually attributed to graphene's Fermi level (and, therefore, doping level), with, however, no d...
journal_title:Scientific reports
pub_type: 杂志文章
doi:10.1038/srep16949
更新日期:2015-11-19 00:00:00
abstract::De novo protein sequencing is essential for understanding cellular processes that govern the function of living organisms and all sequence modifications that occur after a protein has been constructed from its corresponding DNA code. By obtaining the order of the amino acids that compose a given protein one can then d...
journal_title:Scientific reports
pub_type: 杂志文章
doi:10.1038/srep25232
更新日期:2016-05-03 00:00:00
abstract::In this study, an interval optimization model is developed to maximize the benefits of a water rights transfer system that comprises industry and agriculture sectors in the Ningxia Hui Autonomous Region in China. The model is subjected to a number of constraints including water saving potential from agriculture and ec...
journal_title:Scientific reports
pub_type: 杂志文章
doi:10.1038/s41598-017-02734-9
更新日期:2017-06-14 00:00:00
abstract::Drosophila melanogaster is a promiscuous species that inhabits a large range of harsh environments including flooded habitats and varying temperature changes. To survive these environments, fruit flies have adapted mechanisms of tolerance that allow them to thrive. During exposure to anoxic stress, fruit flies and oth...
journal_title:Scientific reports
pub_type: 杂志文章
doi:10.1038/srep09204
更新日期:2015-03-17 00:00:00
abstract::In quenched disordered out-of-equilibrium many-body colloidal systems, there are important distinctions between the glass transition, which is related to the onset of nonergodicity and loss of low-frequency relaxations caused by crowding, and the jamming transition, which is related to the dramatic increase in elastic...
journal_title:Scientific reports
pub_type: 杂志文章
doi:10.1038/s41598-017-13584-w
更新日期:2017-11-08 00:00:00
abstract::Phlebotomine sand flies are remarkable vectors of several etiologic agents (virus, bacterial, trypanosomatid Leishmania), posing a heavy health burden for human populations mainly located at developing countries. Their intestinal microbiota is involved in a wide range of biological and physiological processes, and cou...
journal_title:Scientific reports
pub_type: 杂志文章
doi:10.1038/s41598-019-53769-z
更新日期:2019-11-28 00:00:00
abstract::Melanosomes (melanin-bearing organelles) are common in the fossil record occurring as dense packs of globular microbodies. The organic component comprising the melanosome, melanin, is often preserved in fossils, allowing identification of the chemical nature of the constituent pigment. In present-day vertebrates, mela...
journal_title:Scientific reports
pub_type: 杂志文章
doi:10.1038/s41598-019-52318-y
更新日期:2019-11-04 00:00:00
abstract::The intensity and frequency of precipitation events are predicted to change over the coming decades. For many areas, longer periods without rainfall are expected. We investigated the importance of irrigation frequency under water deficit conditions for growth, physiology and chemistry of wheat (Triticum aestivum). Dro...
journal_title:Scientific reports
pub_type: 杂志文章
doi:10.1038/s41598-020-66812-1
更新日期:2020-06-22 00:00:00
abstract::The dorsal striatum is a brain region involved in action control, with dorsomedial striatum (DMS) mediating goal-directed actions and dorsolateral striatum (DLS) mediating habitual actions. Presynaptic long-term synaptic depression (LTD) plasticity at glutamatergic inputs to dorsal striatum mediates many dorsal striat...
journal_title:Scientific reports
pub_type: 杂志文章
doi:10.1038/s41598-020-64203-0
更新日期:2020-04-29 00:00:00
abstract::The human sweet taste receptor (T1R2) monomer-a member of the G-protein coupled receptor family that detects a wide variety of chemically and structurally diverse sweet tasting molecules, is known to pose a significant threat to human health. Protein that lack crystal structure is a challenge in structure-based protei...
journal_title:Scientific reports
pub_type: 杂志文章
doi:10.1038/s41598-020-75123-4
更新日期:2020-10-27 00:00:00
abstract::Gravity perception plays a key role in how plants develop and adapt to environmental changes. However, more than a century after the pioneering work of Darwin, little is known on the sensing mechanism. Using a centrifugal device combined with growth kinematics imaging, we show that shoot gravitropic responses to stead...
journal_title:Scientific reports
pub_type: 杂志文章
doi:10.1038/srep35431
更新日期:2016-10-14 00:00:00