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1. Biological soil crusts inhibit seed germination in a temperate pine barren ecosystem. Full Text available with Trip Pro

Biological soil crusts inhibit seed germination in a temperate pine barren ecosystem. Biological soil crusts (BSCs) are known to affect plants' germination and seedling establishment in arid ecosystems, but their ecological role in more mesic climates is not so well-known. We tested the effects of moss-crusted versus uncrusted soils on seed germination dynamics in a temperate pine barren ecosystem. We conducted a 35-day laboratory assay of seed germination on moss-crusted soils versus uncrusted (...) soils from the Albany (NY) Pine Bush Preserve. We compared total seed germination and the number of days to 50% of total germination of two herbaceous perennial forb species in each soil type. Three and five times more seeds germinated on uncrusted soil than on crusted soil for bush clover (Lespedeza capitata) and wild lupine (Lupinus perennis), respectively. Seeds of both species also germinated approximately 10 days earlier on uncrusted soil than on crusted soil. This study, and others in similar

2019 PLoS ONE

2. Diel hysteresis between soil respiration and soil temperature in a biological soil crust covered desert ecosystem. Full Text available with Trip Pro

Diel hysteresis between soil respiration and soil temperature in a biological soil crust covered desert ecosystem. Soil respiration induced by biological soil crusts (BSCs) is an important process in the carbon (C) cycle in arid and semi-arid ecosystems, where vascular plants are restricted by the harsh environment, particularly the limited soil moisture. However, the interaction between temperature and soil respiration remains uncertain because of the number of factors that control soil (...) respiration, including temperature and soil moisture, especially in BSC-dominated areas. In this study, the soil respiration in moss-dominated crusts and lichen-dominated crusts was continuously measured using an automated soil respiration system over a one-year period from November 2015 to October 2016 in the Shapotou region of the Tengger Desert, northern China. The results indicated that over daily cycles, the half-hourly soil respiration rates in both types of BSC-covered areas were commonly related

2018 PLoS ONE

3. Correction: Freshwater reservoir offsets and food crusts: Isotope, AMS, and lipid analyses of experimental cooking residues. Full Text available with Trip Pro

Correction: Freshwater reservoir offsets and food crusts: Isotope, AMS, and lipid analyses of experimental cooking residues. [This corrects the article DOI: 10.1371/journal.pone.0196407.].

2018 PLoS ONE

4. Freshwater reservoir offsets and food crusts: Isotope, AMS, and lipid analyses of experimental cooking residues. Full Text available with Trip Pro

Freshwater reservoir offsets and food crusts: Isotope, AMS, and lipid analyses of experimental cooking residues. Freshwater reservoir offsets (FROs) occur when AMS dates on charred, encrusted food residues on pottery predate a pot's chronological context because of the presence of ancient carbon from aquatic resources such as fish. Research over the past two decades has demonstrated that FROs vary widely within and between water bodies and between fish in those water bodies. Lipid analyses have

2018 PLoS ONE

5. Nosocomial outbreak of crusted scabies in immunosuppressed patients caused by Sarcoptes scabiei var. canis. (Abstract)

Nosocomial outbreak of crusted scabies in immunosuppressed patients caused by Sarcoptes scabiei var. canis. Sarcoptes scabiei (Linnaeus, 1758) is an astigmatid mite of the genus Sarcoptes (Latreille, 1806) with high morphological variability in relation to its host.1 In humans, S. scabiei var. hominis causes common and crusted scabies.1 The latter typically occurs in patients with immunologic, neurologic, and metabolic disorders.2 We report a nosocomial outbreak of crusted scabies due to S

2019 British Journal of Dermatology

6. Compression-extension transition of continental crust in a subduction zone: A parametric numerical modeling study with implications on Mesozoic-Cenozoic tectonic evolution of the Cathaysia Block. Full Text available with Trip Pro

Compression-extension transition of continental crust in a subduction zone: A parametric numerical modeling study with implications on Mesozoic-Cenozoic tectonic evolution of the Cathaysia Block. The Cathaysia Block is located in southeastern part of South China, which situates in the west Pacific subduction zone. It is thought to have undergone a compression-extension transition of the continental crust during Mesozoic-Cenozoic during the subduction of Pacific Plate beneath Eurasia-Pacific (...) gradients of the lithospheres and convergence velocities would give rise to the change of crustal stress in a convergent subduction zone. Model results show that higher slab dip angle, lower convergence velocity and higher lithospheric thermal gradient facilitate the subduction process. The modeling results reveal the continental crust stress is dominated by horizontal compression during the early stage of the subduction, which could revert to a horizontal extension in the back-arc region, combing

2017 PLoS ONE

7. How should crusted and other forms of difficult-to-treat scabies be managed?

How should crusted and other forms of difficult-to-treat scabies be managed? application/vnd.openxmlformats-officedocument.wordprocessingml.document

2016 Specialist Pharmacy Services

9. Archaeal and bacterial communities in deep-sea hydrogenetic ferromanganese crusts on old seamounts of the northwestern Pacific. Full Text available with Trip Pro

Archaeal and bacterial communities in deep-sea hydrogenetic ferromanganese crusts on old seamounts of the northwestern Pacific. Deep-sea ferromanganese crusts are found ubiquitously on the surface of seamounts of the world's oceans. Considering the wide distribution of the crusts, archaeal and bacterial communities on these crusts potentially play a significant role in biogeochemical cycling between oceans and seamounts; however little is known about phylogenetic diversity, abundance (...) and function of the crust communities. To this end, we collected the crusts from the northwest Pacific basin and the Philippine Sea. We performed comprehensive analysis of the archaeal and bacterial communities of the collected crust samples by culture-independent molecular techniques. The distance between the sampling points was up to approximately 2,000 km. Surrounding sediments and bottom seawater were also collected as references near the sampling points of the crusts, and analyzed together. 16S rRNA

2017 PLoS ONE

10. Utilization of the Crust from Dry-aged Beef to Enhance Flavor of Beef Patties Full Text available with Trip Pro

Utilization of the Crust from Dry-aged Beef to Enhance Flavor of Beef Patties The crust that inevitably forms on dry-aged beef is usually trimmed and discarded before sale. The aim of this study was to explore methods for utilizing this crust in processed meat products. Four sirloins were dry-aged for 28 d at 4℃ (75% relative humidity). The crust obtained from the surface of the sirloins after completion of dry aging was lyophilized. Patties were prepared without added crust (control) or with 5 (...) % w/w crust, aerobically packaged, and stored at 4℃ for 7 d. Electronic nose analysis indicated that the volatile profile differed significantly between the patties with and without crust. Compared to the control patties, patties containing crust had higher flavor, tenderness, juiciness, and acceptability scores in a sensory panel evaluation (all p<0.05). In addition, patties with crust were less hard, gummy, and chewy than the control patties after 3 and 7 d of storage (all p<0.05). The number

2018 Korean journal for food science of animal resources

11. Photoautotrophic organisms control microbial abundance, diversity, and physiology in different types of biological soil crusts Full Text available with Trip Pro

Photoautotrophic organisms control microbial abundance, diversity, and physiology in different types of biological soil crusts Biological soil crusts (biocrusts) cover about 12% of the Earth's land masses, thereby providing ecosystem services and affecting biogeochemical fluxes on a global scale. They comprise photoautotrophic cyanobacteria, algae, lichens and mosses, which grow together with heterotrophic microorganisms, forming a model system to study facilitative interactions and assembly (...) properties. Our results revealed that once 16S and 18S rRNA gene copy numbers increase, fungi become more predominant and alpha diversity increases with progressing succession. Bacterial communities differed significantly between biocrust types with a shift from more generalized to specialized organisms along succession. CO2 gas exchange measurements revealed large respiration rates of late successional crusts being significantly higher than those of initial biocrusts, and different successional stages

2018 The ISME journal

12. Normal faulting and viscous buckling in the Tibetan Plateau induced by a weak lower crust Full Text available with Trip Pro

Normal faulting and viscous buckling in the Tibetan Plateau induced by a weak lower crust Flow of weak lower crust has been invoked to reconcile observed topographic gradients, uniform elevations, slow seismic velocity, and high conductivity measured in the Tibetan Plateau, with viscosity estimates of 1016-1021 Pa·s. Here we investigate the dynamic response resulting from a range of lower crust viscosities in a 3-D lithospheric-scale geodynamic simulation of the India-Eurasia collision zone (...) to determine bounds of physically viable lower crustal strengths. We show that thickening of the plateau is accommodated through viscous buckling of the upper crust in response to lower crustal flow for a lower crustal viscosity on the order of 1020 Pa·s. This generates two east-west trending bands of surface subsidence and dilatation consistent with observed normal faulting and estimates of vertical velocity. These results suggest viscous buckling of the upper crust, induced by lower crustal flow from

2018 Nature communications

13. Pie-crusting technique is effective and safe to release superficial medial collateral ligament for total knee arthroplasty Full Text available with Trip Pro

Pie-crusting technique is effective and safe to release superficial medial collateral ligament for total knee arthroplasty Pie-crusting technique is a damage-control soft tissue balance skill of total knee arthroplasty (TKA). The outcome of this technique to release lateral soft tissue is reasonable. A limited number of studies have focused on medial collateral ligament release with pie-crusting technique in the past years because of concerns about its efficacy and safety.All cases underwent (...) superficial medial collateral ligament (SMCL) release with either pie-crusting technique or traditional technique (39 knees in each group) between January 1, 2014 and August 31, 2015. A comparison study between two techniques was performed; meanwhile, 23 patients (26 knees) in pie-crusting group were followed up. Data including knee function, radiographic result and complications were analysed.Comparison study demonstrates that pie-crusting technique can achieve a comparable or even better effect

2018 Journal of Orthopaedic Translation

14. Crusted scabies in a patient with methamphetamine abuse Full Text available with Trip Pro

Crusted scabies in a patient with methamphetamine abuse 29984289 2019 02 26 2352-5126 4 5 2018 Jun JAAD case reports JAAD Case Rep Crusted scabies in a patient with methamphetamine abuse. 480-481 10.1016/j.jdcr.2018.01.008 Aiempanakit Kumpol K Division of Dermatology, Department of Internal Medicine, Faculty of Medicine, Prince of Songkla University, Songkhla, Thailand. eng Case Reports 2018 05 07 United States JAAD Case Rep 101665210 2352-5126 Norwegian scabies crusted scabies

2018 JAAD Case Reports

15. Gravity modeling finds a large magma body in the deep crust below the Gulf of Naples, Italy Full Text available with Trip Pro

Gravity modeling finds a large magma body in the deep crust below the Gulf of Naples, Italy We analyze a wide gravity low in the Campania Active Volcanic Area and interpret it by a large and deep source distribution of partially molten, low-density material from about 8 to 30 km depth. Given the complex spatial-temporal distribution of explosive volcanism in the area, we model the gravity data consistently with several volcanological and petrological constraints. We propose two possible models (...) : one accounts for the coexistence, within the lower/intermediate crust, of large amounts of melts and cumulates besides country rocks. It implies a layered distribution of densities and, thus, a variation with depth of percentages of silicate liquids, cumulates and country rocks. The other reflects a fractal density distribution, based on the scaling exponent estimated from the gravity data. According to this model, the gravity low would be related to a distribution of melt pockets within solid

2018 Scientific reports

16. Exuberant scale crust of the scalp Full Text available with Trip Pro

Exuberant scale crust of the scalp 29693050 2018 11 14 2352-5126 4 4 2018 May JAAD case reports JAAD Case Rep Exuberant scale crust of the scalp. 289-291 10.1016/j.jdcr.2017.06.023 Kao Jason J Department of Dermatology, University of California Davis School of Medicine, Sacramento, California. Wang Elizabeth A EA Department of Dermatology, University of California Davis School of Medicine, Sacramento, California. Cheng Michelle Y MY Department of Dermatology, University of California Davis

2018 JAAD Case Reports

17. Chronic Physical Disturbance Substantially Alters the Response of Biological Soil Crusts to a Wetting Pulse, as Characterized by Metatranscriptomic Sequencing Full Text available with Trip Pro

Chronic Physical Disturbance Substantially Alters the Response of Biological Soil Crusts to a Wetting Pulse, as Characterized by Metatranscriptomic Sequencing Biological soil crusts (biocrusts) are microbial communities that are a feature of arid surface soils worldwide. In drylands where precipitation is pulsed and ephemeral, the ability of biocrust microbiota to rapidly initiate metabolic activity is critical to their survival. Community gene expression was compared after a short duration (1 (...) h) wetting pulse in both intact and soils disturbed by chronic foot trampling. Across the metatranscriptomes the majority of transcripts were cyanobacterial in origin, suggesting that cyanobacteria accounted for the bulk of the transcriptionally active cells. Chronic trampling substantially altered the functional profile of the metatranscriptomes, specifically resulting in a significant decrease in transcripts for nitrogen fixation. Soil depth (biocrust and below crust) was a relatively small

2018 Frontiers in microbiology

18. Variability in Elongation and Failure of the Medial Collateral Ligament After Pie-Crusting With 16- and 18-Gauge Needles. (Abstract)

Variability in Elongation and Failure of the Medial Collateral Ligament After Pie-Crusting With 16- and 18-Gauge Needles. In knee arthroplasty with preoperative varus deformity, medial collateral ligament (MCL) release may be needed to achieve balance. Pie-crusting allows for controlled release, but questions remain regarding its ability to obtain predictable results. We compared 16- vs18-gauge needle punctures and determined the number of punctures required to (1) lengthen the MCL by 1 mm (...) between the 16- and 18-gauge groups in cross-sectional area, initial stiffness, number of punctures to lengthen the MCL by 1 mm, or number of punctures to failure. As the number of punctures increased, a linear increase in elongation and decrease in stiffness occurred.Needle size was not the influencing factor. Variability in number of punctures, regardless of needle size, to elongate or fail the MCL shows the difficulty in developing a reproducible pie-crusting technique. This suggests

2018 Journal of Arthroplasty

19. Effect of biological soil crusts on seed germination and growth of an exotic and two native plant species in an arid ecosystem. Full Text available with Trip Pro

Effect of biological soil crusts on seed germination and growth of an exotic and two native plant species in an arid ecosystem. Biological soil crusts (BSCs) can improve the stability and health of native plant communities in arid ecosystems. However, it is unknown whether BSCs can also inhibit invasions of exotic vascular plants on stabilized reclaimed sand dunes. To answer this question, we conducted a greenhouse experiment to test the effects of cyanobacteria-dominated BSCs on 1) seed (...) germination and biomass of an exotic grass (Stipa glareosa P. Smirn.), and 2) individual biomass of the exotic S. glareosa growing with two native plants, Eragrostis poaeoides Beauv. and Artemisia capillaris Thunb. Our experiment included three BSC treatments (intact crust, disturbed crust, and bare soil) and five species trials (native E. poaeoides alone, E. poaeoides mixed with exotic S. glareosa, native A. capillaris alone, A. capillaris mixed with exotic S. glareosa, and S. glareosa alone

2017 PLoS ONE

20. Rapid development of cyanobacterial crust in the field for combating desertification. Full Text available with Trip Pro

Rapid development of cyanobacterial crust in the field for combating desertification. Desertification is currently a major concern, and vast regions have already been devastated in the arid zones of many countries. Combined application of cyanobacteria with soil fixing chemicals is a novel method of restoring desertified areas. Three cyanobacteria, Nostoc sp. Vaucher ex Bornet & Flahault, Phormidium sp. Kützing ex Gomont and Scytonema arcangeli Bornet ex Flahault were isolated and tested (...) friction velocity of the CST treated soil were found to be 75% and 88% of those of the approximately 20-year-old natural cyanobacterial crust (N-BSC), respectively, while these values were 68% and 73% of those of the N-BSC soil after a single treatment of cyanobacteria alone (CY). Interestingly, biological activities of CST were similar to those of CY. Total carbohydrate contents, cyanobacterial biomass, microbial biomass, soil respiration, carbon fixation and effective quantum yield of CST treated

2017 PLoS ONE

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