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1. Detection of colistin-resistant populations prior to antibiotic exposure in KPC-2-producing Klebsiella pneumoniae clinical isolates

Author:
Seo, Jungyu; Wi, Yu Mi; Kim, Jong Min; Kim, Yae-Jean; Ko, Kwan Soo
Source:
The journal of microbiology 2021 v.59 no.6 pp. 590-597
ISSN:
1225-8873
Subject:
regrowth,   etc   ; Klebsiella pneumoniae; amino acids; colistin; microbiology;     Show all 5 Subjects
Abstract:
... Although colistin is frequently regarded as the antibiotic of last resort in treating carbapenem-resistant Klebsiella pneumoniae, colistin heteroresistance may in part be associated with antibiotic treatment failure. However, we do not know how widespread the colistin heteroresistance is in carbapenem-resistant K. pneumoniae isolates. In this study, we performed colistin disc diffusion assays, E-t ...
DOI:
10.1007/s12275-021-0610-1

2. Laboratory preparation of monochloramine for environmental research: A comparison of four commonly used protocols

Author:
Sakcham, Bairoliya; Goel, Apoorva; Zhang, Wen; Cao, Bin
Source:
Environmental research 2021 v.197 pp. 111009
ISSN:
0013-9351
Subject:
regrowth,   etc   ; disinfectants; disinfection; research; water distribution;     Show all 5 Subjects
Abstract:
... Monochloramine (MCA) is often used as a secondary disinfectant in drinking water distribution systems (DWDS) for controlling the regrowth of microorganisms. Laboratory experiments to study the efficacy of MCA and formation of disinfection byproducts in DWDS all require the preparation of MCA. Different protocols for the preparation of MCA have been used in the literature. In this study, we compare ...
DOI:
10.1016/j.envres.2021.111009

3. Precise lateral control of graphene via living zigzag edges

Author:
Liu, Bing; Gong, Peng; Sun, Yangye; Ba, Kun; Xie, Songhai; Sun, Zhengzong
Source:
Carbon 2020 v.167 pp. 718-723
ISSN:
0008-6223
Subject:
regrowth,   etc   ; geometry; graphene; vapors;     Show all 4 Subjects
Abstract:
... From chemical vapor deposition grown film to nanoscale lithographic devices, etching is a critical procedure to define two-dimensional (2D) materials’ geometry and edge type. Many reported etching procedures could potentially damage the activity of the edge, while a living edge is capable to heal and regrow back. Here we successfully demonstrated a continuous growth-etching-regrowth procedure to a ...
DOI:
10.1016/j.carbon.2020.06.049

4. Carrier Recombination Processes in GaAs Wafers Passivated by Wet Nitridation

Author:
Zou, Xianshao; Li, Chuanshuai; Su, Xiaojun; Liu, Yuchen; Finkelstein-Shapiro, Daniel; Zhang, Wei; Yartsev, Arkady
Source:
ACS applied materials & interfaces 2020 v.12 no.25 pp. 28360-28367
ISSN:
1944-8252
Subject:
regrowth,   etc   ; photoluminescence; wafers;     Show all 3 Subjects
Abstract:
... As one of the successful approaches to GaAs surface passivation, wet-chemical nitridation is applied here to relate the effect of surface passivation to carrier recombination processes in bulk GaAs. By combining time-resolved photoluminescence and optical pump—THz probe measurements, we found that surface hole trapping dominates the decay of photoluminescence, while photoconductivity dynamics is l ...
DOI:
10.1021/acsami.0c04892

5. Elastocapillary effect in self-repair of proboscises of butterflies and moths

Author:
Sande, Luke; Zhang, Chengqi; Beard, Charles E.; Aprelev, Pavel; Pometto, Suellen F.; Adler, Peter H.; Kornev, Konstantin G.
Source:
Journal of colloid and interface science 2021 v.601 pp. 734-745
ISSN:
0021-9797
Subject:
regrowth,   etc   ; adhesion; friction; mathematical models; proboscis; saliva; tissue repair;     Show all 7 Subjects
Abstract:
... Self-repair in living organisms, without tissue regeneration or regrowth, is rare. Recent discovery that butterflies can self-repair the proboscis after the two halves (galeae) have been separated raised a question about the physical mechanism allowing them to reunite the parts. We discovered that butterflies pump saliva during repair of their proboscises. We then hypothesized that saliva spreadin ...
DOI:
10.1016/j.jcis.2021.05.106

6. Species-specific trade-offs between regrowth and mycorrhizas in the face of defoliation and phosphorus addition

Author:
Cavagnaro, R.A.; Oyarzabal, M.; Oesterheld, M.; Grimoldi, A.A.
Source:
Fungal ecology 2021 v.51 pp. 101058
ISSN:
1754-5048
Subject:
regrowth,   etc   ; biomass; carbon; defoliation; grasses; herbivores; phosphorus; vesicular arbuscular mycorrhizae;     Show all 8 Subjects
Abstract:
... Arbuscular mycorrhizal fungi (AMF) enhance nutrient provision in exchange for carbon. However, a shift from nutrient to carbon limitation, induced by repeated or intense defoliation, can represent a trade-off between plant regrowth and the maintenance of mycorrhiza. The combined effects of AMF, phosphorus and defoliation on growth of Agropyronelongatum (C₃ grass, low mycorrhizal responsiveness) an ...
DOI:
10.1016/j.funeco.2021.101058

7. Does a trade‐off between growth plasticity and resource conservatism mediate post‐fire shrubland responses to rainfall seasonality?

Author:
van Blerk, Justin J.; West, Adam G.; Altwegg, Res; Hoffman, M. Timm
Source:
Thenew phytologist 2021 v.230 no.4 pp. 1407-1420
ISSN:
0028-646X
Subject:
regrowth,   etc   ; fynbos; nutrient availability; plasticity; rain; shrublands; soil nutrients;     Show all 7 Subjects
Abstract:
... Growth plasticity may allow fire‐prone species to maximize their recovery rates during temporary, sporadic periods of rainfall availability in the post‐fire environment. However, moisture‐driven growth plasticity could be maladaptive in nutrient‐limited environments that require tighter control of growth and resource use. We investigated whether a trade‐off between plasticity and conservatism medi ...
DOI:
10.1111/nph.17246

8. Cell signaling regulation in salivary gland development

Author:
Suzuki, Akiko; Ogata, Kenichi; Iwata, Junichi
Source:
Cellular and molecular life sciences 2021 v.78 no.7 pp. 3299-3315
ISSN:
1420-682X
Subject:
regrowth,   etc   ; cell viability; mammals; organogenesis; saliva; salivary glands;     Show all 6 Subjects
Abstract:
... The mammalian salivary gland develops as a highly branched structure designed to produce and secrete saliva. This review focuses on research conducted on mammalian salivary gland development, particularly on the differentiation of acinar, ductal, and myoepithelial cells. We discuss recent studies that provide conceptual advances in the understanding of the molecular mechanisms of salivary gland de ...
DOI:
10.1007/s00018-020-03741-2

9. The use of near infrared fluorescence imaging with indocyanine green for vascular visualization in caudal auricular flaps in two cats

Author:
Quinlan, Adam S. F.; Wainberg, Shannon H.; Phillips, Erin; Oblak, Michelle L.
Source:
Veterinary surgery 2021 v.50 no.3 pp. 677-686
ISSN:
0161-3499
Subject:
regrowth,   etc   ; cameras; case studies; excision; eyelids; fluorescence; necrosis;     Show all 7 Subjects
Abstract:
... OBJECTIVES: To describe the use of near infrared fluorescence (NIRF) imaging with indocyanine green (ICG) for vascular visualization in two caudal auricular axial pattern flaps (APF). ANIMALS: Two client‐owned cats with upper eyelid masses. STUDY DESIGN: Clinical case report. METHODS: Wide surgical excision with enucleation was performed by using a caudal auricular APF for closure. Flap margins an ...
DOI:
10.1111/vsu.13577

10. Two Advanced Cryogenic Procedures for Improving Stevia rebaudiana (Bertoni) Cryopreservation

Author:
Benelli, Carla; Carvalho, Lara S. O.; EL merzougui, Soumaya; Petruccelli, Raffaella
Source:
Plants 2021 v.10 no.2
ISSN:
2223-7747
Subject:
regrowth,   etc   ; Stevia rebaudiana; cryopreservation; liquid nitrogen; storage time; vitrification;     Show all 6 Subjects
Abstract:
... Cryopreservation is a useful tool for the long-term storage of plant genetic resources, and different cryogenic procedures have recently been developed. The present study focused on the use of the Droplet-vitrification (DV) and V cryo-plate protocol for the cryopreservation of Stevia rebaudiana in vitro-derived apical shoot tips and axillary shoot tips. A preliminary test showed that 90 and 120 mi ...
DOI:
10.3390/plants10020277

11. Flow and Permeability Evolution during Microbial Sulfate Reduction and Inhibition in Fractured Rocks

Author:
Cheng, Yiwei; Chou, Chunwei; Voltolini, Marco; Borglin, Sharon; Ajo-Franklin, Jonathan B.; Wu, Yuxin
Source:
Energy & fuels 2021 v.35 no.3 pp. 1989-1997
ISSN:
1520-5029
Subject:
regrowth,   etc   ; biofilm; energy; nitrates; nutrient transport; permeability; sandstone; sulfates; sulfides;     Show all 9 Subjects
Abstract:
... Subsurface biological processes, such as biofilm development, modify flow and permeability in fractured rocks, greatly impacting energy production or treatment efficiencies. This study aims to understand biological–hydrological interactions at a bench scale during the progression and treatment of souring (microbially mediated sulfide production). Few bench-scale studies investigate the role of a b ...
DOI:
10.1021/acs.energyfuels.0c01787

12. Energy and sugar signaling during hypoxia

Author:
Cho, Hsing‐Yi; Loreti, Elena; Shih, Ming‐Che; Perata, Pierdomenico
Source:
Thenew phytologist 2021 v.229 no.1 pp. 57-63
ISSN:
0028-646X
Subject:
regrowth,   etc   ; carbon; energy; hypoxia; metabolism; oxygen; starvation; sugars; transcription (genetics);     Show all 9 Subjects
Abstract:
... The major consequence of hypoxia is a dramatic reduction in energy production. At the onset of hypoxia, both oxygen and ATP availability decrease. Oxygen and energy sensing therefore converge to induce an adaptive response at both the transcriptional and translational levels. Oxygen sensing results in stabilization of the transcription factors that activate hypoxia‐response genes, including enzyme ...
DOI:
10.1111/nph.16326

13. Transcriptome analysis reveals major transcriptional changes during regrowth after mowing of red clover (Trifolium pratense)

Author:
Herbert, Denise Brigitte; Gross, Thomas; Rupp, Oliver; Becker, Annette
Source:
BMC plant biology 2021 v.21 no.1 pp. 95
ISSN:
1471-2229
Subject:
regrowth,   etc   ; Trifolium pratense; abiotic stress; biomass; gibberellins; greenhouses; nutritive value; plant hormones; soil; transcription (genetics); transcriptomics;     Show all 11 Subjects
Abstract:
... BACKGROUND: Red clover (Trifolium pratense) is globally used as a fodder plant due its high nutritional value and soil improving qualities. In response to mowing, red clover exhibits specific morphological traits to compensate the loss of biomass. The morphological reaction is well described, but the underlying molecular mechanisms and its role for plants grown in the field are unclear. RESULTS: H ...
DOI:
10.1186/s12870-021-02867-0

14. Enhancement of perchloroethene dechlorination by a mixed dechlorinating culture via magnetic nanoparticle-mediated isolation method

Author:
Chen, Kezhen; Liu, Zefan; Wang, Xiaomin; Yu, Chungui; Ye, Junxiang; Yu, Chunna; Wang, Feier; Shen, Chaofeng
Source:
The Science of the total environment 2021 v.786 pp. 147421
ISSN:
0048-9697
Subject:
regrowth,   etc   ; Dehalobacterium; Dehalococcoides; Methanosarcina; biomarkers; dechlorination; environment; isolation techniques; magnetism; methane production; methanogens; microbial communities; remediation;     Show all 13 Subjects
Abstract:
... Highly enriched active dechlorinating cultures are important in advancing microbial remediation technology. This study attempted to enrich a rapid perchloroethene (PCE) dechlorinating culture via magnetic nanoparticle-mediated isolation (MMI). MMI is a novel method that can separate the fast-growing and slow-growing population in a microbial community without labelling. In the MMI process, PCE dec ...
DOI:
10.1016/j.scitotenv.2021.147421

15. Forest harvesting restriction and forest restoration in China

Author:
Liu, Shilei; Xia, Jun
Source:
Forest policy and economics 2021 v.129 pp. 102516
ISSN:
1389-9341
Subject:
regrowth,   etc   ; data collection; deforestation; empirical models; forest management; forest policy; forest restoration; forests; China;     Show all 9 Subjects
Abstract:
... The logging quota scheme was established in 1987 to control over-harvesting and promoting forest restoration in China, and it is expected to remain in place for many years to come. But the scheme has rarely been subject to careful empirical scrutiny. In this paper, we develop and estimate an empirical model to disentangle its potential effects on different dimensions of the forest condition, based ...
DOI:
10.1016/j.forpol.2021.102516

16. UV treatment in RAS influences the rearing water microbiota and reduces the survival of European lobster larvae (Homarus gammarus)

Author:
Attramadal, Kari J.K.; Øien, John Vegard; Kristensen, Elisabeth; Evjemo, Jan Ove; Kjørsvik, Elin; Vadstein, Olav; Bakke, Ingrid
Source:
Aquacultural engineering 2021 v.94 pp. 102176
ISSN:
0144-8609
Subject:
regrowth,   etc   ; Homarus gammarus; disinfection; lobsters; organic matter; probability; ultraviolet radiation; water treatment;     Show all 8 Subjects
Abstract:
... The rearing environment is important for a stable production of good quality lobster juveniles. By providing an environment excluding pathogens and dominated by mutualistic bacteria, the probability of developing healthy host-microbe relationships and produce healthy juveniles is increased. Disinfection of water and sudden increase in the supply of organic matter in culture tanks are processes tha ...
DOI:
10.1016/j.aquaeng.2021.102176

17. Can chainsaw carved hollows provide an effective solution to the loss of natural tree cavities for arboreal mammals?

Author:
Terry, William; Goldingay, Ross L.; van der Ree, Rodney
Source:
Forest ecology and management 2021 v.490 pp. 119122
ISSN:
0378-1127
Subject:
regrowth,   etc   ; Petaurus breviceps; Phascogale tapoatafa; administrative management; cameras; chainsaws; forest ecology; habitats; nests; sugars; trees; Australia;     Show all 12 Subjects
Abstract:
... Constructing hollows or cavities in trees with chainsaws is an emerging approach to manage hollow-dependent species in hollow depleted landscapes. Small-scale experiments are required to refine this approach before implementing on a broad scale. We addressed two questions: i) are chainsaw hollows used by the regionally threatened brush-tailed phascogale (Phascogale tapoatafa) and the non-threatene ...
DOI:
10.1016/j.foreco.2021.119122

18. Holocene ice margin variations of the Greenland Ice Sheet and local glaciers around Sermilik Fjord, southeast Greenland

Author:
Larsen, Nicolaj K.; Siggaard-Andersen, Marie-Louise; Bjørk, Anders A.; Kjeldsen, Kristian K.; Ruter, Anthony; Korsgaard, Niels J.; Kjær, Kurt H.
Source:
Quaternary international 2021
ISSN:
1040-6182
Subject:
regrowth,   etc   ; Holocene epoch; climate; climate change; glaciers; ice; lakes; topography; Greenland;     Show all 9 Subjects
Abstract:
... Understanding the long-term difference in the response times of ice sheets, peripheral ice caps and glaciers may provide information about their respective sensitivities to climate change. However, there are only a few places where the history of local glaciers, ice caps (GICs) and the Greenland Ice Sheet (GrIS) have been recorded in the same area. In this study, we use proglacial threshold lake r ...
DOI:
10.1016/j.quaint.2021.06.001

19. Keratolite–stromatolite consortia mimic domical and branched columnar stromatolites

Author:
Lee, Jeong-Hyun; Riding, Robert
Source:
Palaeogeography, palaeoclimatology, palaeoecology 2021 v.571 pp. 110288
ISSN:
0031-0182
Subject:
regrowth,   etc   ; ; Phanerozoic eon; carbonates; ecophysiology; fabrics; palaeogeography; paleoclimatology; paleoecology; sediments; skeleton;     Show all 11 Subjects
Abstract:
... The term keratolite is proposed for keratosan sponge carbonate dominated by vermiform fabric that preserves the outlines of the original spongin skeleton. Thinly (<~2 cm) interlayered keratosan–microbial carbonate consortia in peritidal sediments near the Cambrian–Ordovician boundary in Newfoundland, Canada, are macroscopically indistinguishable from stromatolites. These carbonate domes and column ...
DOI:
10.1016/j.palaeo.2021.110288

20. Influence of light, water stress and shrub cover on sapling survival and height growth: the case of A. unedo, F. ornus and S. domestica under Mediterranean climate

Author:
Helluy, Manon; Gavinet, Jordane; Prévosto, Bernard; Fernandez, Catherine
Source:
European journal of forest research 2021 v.140 no.3 pp. 635-647
ISSN:
1612-4669
Subject:
regrowth,   etc   ; Mediterranean climate; drought; forests; models; research; shade tolerance; shrubs; transmittance; understory; water stress;     Show all 11 Subjects
Abstract:
... Resprouter species are of great interest for Mediterranean forest resilience as they can survive fire or drought by activating dormant vegetative buds to produce regrowth. Understanding which factors control the early growth and survival of these species is needed to develop strategies to enhance stand resilience. In this study, three broadleaved resprouter species, two trees—Fraxinus ornus and So ...
DOI:
10.1007/s10342-021-01356-1