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https://www.readbyqxmd.com/read/29765637/the-cosmic-spiderweb-equivalence-of-cosmic-architectural-and-origami-tessellations
#1
Mark C Neyrinck, Johan Hidding, Marina Konstantatou, Rien van de Weygaert
For over 20 years, the term 'cosmic web' has guided our understanding of the large-scale arrangement of matter in the cosmos, accurately evoking the concept of a network of galaxies linked by filaments. But the physical correspondence between the cosmic web and structural engineering or textile 'spiderwebs' is even deeper than previously known, and also extends to origami tessellations. Here, we explain that in a good structure-formation approximation known as the adhesion model, threads of the cosmic web form a spiderweb, i...
April 2018: Royal Society Open Science
https://www.readbyqxmd.com/read/29690461/a-new-species-of-leptolalax-anura-megophryidae-from-son-tra-peninsula-central-vietnam
#2
Luan Thanh Nguyen, Nikolay A Jr Poyarkov, Dzung Trung Le, Ba Dinh Vo, Hoa Thi Phan, Tang van Duong, Robert W Murphy, Sang Ngoc Nguyen
Morphological, acoustic and molecular analyses result in the description of Leptolalax rowleyae sp. nov., a new species of frog in the Megophryidae, belonging to the L. applebyi Rowley Cao species group from central Vietnam. It differs from its congeners by a combination of the following morphological attributes: (1) adult SVL 23.4-25.4 mm in males and 27-27.8 mm in females; (2) presence of distinct dark/brown dorsolateral markings, including black spots on flanks; (3) pinkish milk-white to light brown chest and belly with numerous white speckles; (4) tympanum distinct; (5) absence of webbing or lateral dermal fringes on fingers and toes; (6) pectoral glands comparatively small (3...
February 28, 2018: Zootaxa
https://www.readbyqxmd.com/read/29690454/a-new-puddle-frog-genus-phrynobatrachus-amphibia-anura-phrynobatrachidae-from-the-eastern-part-of-the-upper-guinea-biodiversity-hotspot-west-africa
#3
Tokouaho Flora Kpan, N'goran Germain KouamÉ, Michael F Barej, Patrick joËl Adeba, Mike Emmrich, Caleb Ofori-Boateng, Mark-Oliver RÖdel
We describe a new species of Phrynobatrachus from swamp forests in the southern border region of Ivory Coast and Ghana. The new species differs from all other known West African Phrynobatrachus by the combination of adult snout-vent-length being between 20 and 30 mm; absence of a spiny tubercle on the eyelid; presence of a dark face mask; a black throat in adult males; narrow and partly indistinct scapular ridges or comma shaped warts; distinct spinulae on males' throats and dorsal surfaces; pronounced pedal webbing; round finger- and toe tips, not enlarged to discs; a white belly with small blackish spots in both sexes; more than one wide dark cross bar on hind legs; and rosé to reddish colour on ventral parts of hind legs in both sexes...
March 1, 2018: Zootaxa
https://www.readbyqxmd.com/read/29689792/a-new-species-of-puddle-frog-genus-phrynobatrachus-amphibia-anura-phrynobatrachidae-from-ghana
#4
Caleb Ofori-Boateng, Adam D LeachÉ, Bright Obeng-Kankam, N'goran Germain KouamÉ, Annika Hillers, Mark-Oliver RÖdel
We describe a new species of Phrynobatrachus from the eastern part of the Upper Guinea forest region, Ghana, West Africa. Morphologically, the new species can be distinguished from all of its congeners by the combination of a slender body, short and pointed snout, a relatively warty dorsum, a black-spotted throat in both sexes, a gular flap in males, a dark spotted chest, a white-greyish venter with occasional blackish spots, rudimentary pedal webbing, none to slightly dilated finger tips and strongly delated toe tips, presence of both inner and outer metatarsal tubercles and absence of a dark face mask, eyelid tubercles and longer dorsal ridges...
January 21, 2018: Zootaxa
https://www.readbyqxmd.com/read/29683110/a-new-species-of-the-genus-theloderma-tschudi-1838-amphibia-anura-rhacophoridae-from-tay-nguyen-plateau-central-vietnam
#5
Nikolay A Poyarkov, Ivan I Kropachev, Svetlana S Gogoleva, Nikolai L Orlov
A new species of small tree frog from a primary montane tropical forest of central Vietnam, Tay Nguyen Plateau, is described based on morphological, molecular, and acoustic evidence. The Golden Bug-Eyed Frog, Theloderma auratum sp. nov., is distinguishable from its congeners and other small rhacophorid species based on a combination of the following morphological attributes: (1) bony ridges on head absent; (2) smooth skin completely lacking calcified warts or asperities; (3) pointed elongated tapering snout; (4) vocal opening in males absent; (5) vomerine teeth absent; (6) males of small body size (SVL 21...
April 20, 2018: Zoological Research
https://www.readbyqxmd.com/read/29643325/a-new-species-of-the-genus-leptolalax-anura-megophryidae-from-southern-vietnam
#6
Tang Van Duong, Dang Trong Do, Chung Dac Ngo, Truong Quang Nguyen, Nikolay A Poyarkov
We describe a new species of megophryid frog from Phu Yen Province in southern Vietnam. Leptolalax macrops sp. nov. is distinguished from its congeners by a combination of the following morphological attributes: (1) body size medium (SVL 28.0-29.3 mm in three adult males, 30.3 mm in single adult female); (2) supra-axillary glands present, creamy white; ventrolateral glands indistinct; (3) tympanum externally distinct; (4) dorsal skin roughly granular with larger tubercles, dermal ridges on dorsum absent; (5) rudimentary webbing present between fingers I-II and II-III; rudimentary webbing between all toes; fingers and toes without dermal fringes; (6) in life ventral surface greyish-violet with white speckling; (7) supratympanic fold distinct, dark brown in life; (8) iris bicolored, typically golden in upper half, fading to golden green in lower half; (9) tibia short (TbL/SVL 0...
April 10, 2018: Zoological Research
https://www.readbyqxmd.com/read/29519744/clinical-efficacy-and-safety-of-a-light-mask-for-prevention-of-dark-adaptation-in-treating-and-preventing-progression-of-early-diabetic-macular-oedema-at-24-months-cleopatra-a-multicentre-phase-3-randomised-controlled-trial
#7
Sobha Sivaprasad, Joana C Vasconcelos, A Toby Prevost, Helen Holmes, Philip Hykin, Sheena George, Caroline Murphy, Joanna Kelly, Geoffrey B Arden
BACKGROUND: We aimed to assess 24-month outcomes of wearing an organic light-emitting sleep mask as an intervention to treat and prevent progression of non-central diabetic macular oedema. METHODS: CLEOPATRA was a phase 3, single-blind, parallel-group, randomised controlled trial undertaken at 15 ophthalmic centres in the UK. Adults with non-centre-involving diabetic macular oedema were randomly assigned (1:1) to wearing either a light mask during sleep (Noctura 400 Sleep Mask, PolyPhotonix Medical, Sedgefield, UK) or a sham (non-light) mask, for 24 months...
May 2018: Lancet Diabetes & Endocrinology
https://www.readbyqxmd.com/read/29488721/-gestational-trophoblastic-diseases-in-cesarean-scar-an-analysis-of-20-cases
#8
Ge'er Zhang, Zimin Pan
OBJECTIVE: To analyze the clinical features, diagnosis and treatment of gestational trophoblastic diseases in cesarean scar. METHODS: Clinical data of three cases of gestational trophoblastic diseases in cesarean scar diagnosed in Women's Hospital, Zhejiang University School of Medicine during December 2011 and December 2016 were collected. And literature search was performed in Wanfang data, VIP, CNKI, PubMed, ISI Web of Knowledge and EMbase database. RESULTS: A total of 20 cases of gestational trophoblastic diseases were included in the analysis...
May 25, 2017: Zhejiang da Xue Xue Bao. Yi Xue Ban, Journal of Zhejiang University. Medical Sciences
https://www.readbyqxmd.com/read/29464533/photo-induced-toxicity-in-early-life-stage-fiddler-crab-uca-longisignalis-following-exposure-to-deepwater-horizon-oil
#9
Leigh M Damare, Kristin N Bridges, Matthew M Alloy, Thomas E Curran, Brianne K Soulen, Heather P Forth, Claire R Lay, Jeffrey M Morris, James A Stoeckel, Aaron P Roberts
The 2010 explosion of the Deepwater Horizon (DWH) oil rig led to the release of millions of barrels of oil in the Gulf of Mexico. Oil in aquatic ecosystems exerts toxicity through multiple mechanisms, including photo-induced toxicity following co-exposure with UV radiation. The timing and location of the spill coincided with both fiddler crab reproduction and peak yearly UV intensities, putting early life stage fiddler crabs at risk of injury due to photo-induced toxicity. The present study assessed sensitivity of fiddler crab larvae to photo-induced toxicity during co-exposure to a range of environmentally relevant dilutions of high-energy water accommodated fractions of DWH oil, and either <10, 50, or 100% ambient sunlight, achieved with filters that allowed for variable UV penetration...
May 2018: Ecotoxicology
https://www.readbyqxmd.com/read/29403458/contribution-of-bicarbonate-assimilation-to-carbon-pool-dynamics-in-the-deep-mediterranean-sea-and-cultivation-of-actively-nitrifying-and-co-2-fixing-bathypelagic-prokaryotic-consortia
#10
Violetta La Cono, Gioachino Ruggeri, Maurizio Azzaro, Francesca Crisafi, Franco Decembrini, Renata Denaro, Gina La Spada, Giovanna Maimone, Luis S Monticelli, Francesco Smedile, Laura Giuliano, Michail M Yakimov
Covering two-thirds of our planet, the global deep ocean plays a central role in supporting life on Earth. Among other processes, this biggest ecosystem buffers the rise of atmospheric CO2 . Despite carbon sequestration in the deep ocean has been known for a long time, microbial activity in the meso- and bathypelagic realm via the " assimilation of bicarbonate in the dark " (ABD) has only recently been described in more details. Based on recent findings, this process seems primarily the result of chemosynthetic and anaplerotic reactions driven by different groups of deep-sea prokaryoplankton...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29377485/protistology-conferences-the-beginnings-the-first-international-protozoology-conference-prague-1961-and-the-tribute-to-otto-j%C3%A3-rovec-its-spiritual-father
#11
Jiří Vávra
Two events have helped to shape protozoology/protistology as a specific scientific discipline. The first such event was the creation of the Society of Protozoologists in the U.S. in 1947 (and of its Journal of Protozoology, first published in 1954), the second event was the First International Conference on Protozoology, held in 1961 in Prague. The history of the Society of Protozoologists was comprehensively treated by Corliss (1998); the history of the Prague Conference is presented here as reminiscences and personal interpretation of events of the author, who was one of the conference organizers and a member of the organization committee...
January 27, 2018: Journal of Eukaryotic Microbiology
https://www.readbyqxmd.com/read/29305244/light-in-the-darkness-new-perspective-on-lanternfish-relationships-and-classification-using-genomic-and-morphological-data
#12
Rene P Martin, Emily E Olson, Matthew G Girard, Wm Leo Smith, Matthew P Davis
Massive parallel sequencing allows scientists to gather DNA sequences composed of millions of base pairs that can be combined into large datasets and analyzed to infer organismal relationships at a genome-wide scale in non-model organisms. Although the use of these large datasets is becoming more widespread, little to no work has been done in estimating phylogenetic relationships using UCEs in deep-sea fishes. Among deep-sea animals, the 257 species of lanternfishes (Myctophiformes) are among the most important open-ocean lineages, representing half of all mesopelagic vertebrate biomass...
April 2018: Molecular Phylogenetics and Evolution
https://www.readbyqxmd.com/read/29154885/consumers-health-related-perceptions-of-bread-implications-for-labeling-and-health-communication
#13
Pernilla Sandvik, Margaretha Nydahl, Iwona Kihlberg, Ingela Marklinder
There is a wide variety of commercial bread types and the present study identifies potential pitfalls in consumer evaluations of bread from a health perspective. The aim is to describe consumers' health-related perceptions of bread by exploring which health-related quality attributes consumers associate with bread and whether there are differences with regard to age, gender and education level. A postal and web-based sequential mixed-mode survey (n = 1134, 62% responded online and 38% by paper) with open-ended questions and an elicitation task with pictures of commercial breads were used...
February 1, 2018: Appetite
https://www.readbyqxmd.com/read/29124858/high-dark-inorganic-carbon-fixation-rates-by-specific-microbial-groups-in-the-atlantic-off-the-galician-coast-nw-iberian-margin
#14
Elisa Guerrero-Feijóo, Eva Sintes, Gerhard J Herndl, Marta M Varela
Bulk dark dissolved inorganic carbon (DIC) fixation rates were determined and compared to microbial heterotrophic production in subsurface, meso- and bathypelagic Atlantic waters off the Galician coast (NW Iberian margin). DIC fixation rates were slightly higher than heterotrophic production throughout the water column, however, more prominently in the bathypelagic waters. Microautoradiography combined with catalyzed reporter deposition fluorescence in situ hybridization (MICRO-CARD-FISH) allowed us to identify several microbial groups involved in dark DIC uptake...
February 2018: Environmental Microbiology
https://www.readbyqxmd.com/read/29024429/genetic-barcoding-of-dark-spored-myxomycetes-amoebozoa-identification-evaluation-and-application-of-a-sequence-similarity-threshold-for-species-differentiation-in-ngs-studies
#15
Mathilde Borg Dahl, Asker Daniel Brejnrod, Martin Unterseher, Thomas Hoppe, Yun Feng, Yuri Novozhilov, Søren Johannes Sørensen, Martin Schnittler
Unicellular, eukaryotic organisms (protists) play a key role in soil food webs as major predators of microorganisms. However, due to the polyphyletic nature of protists no single universal barcode can be established for this group, and the structure of many protistean communities remains unresolved. Plasmodial slime molds (Myxogastria or Myxomycetes) stand out among protists by their formation of fruit bodies, which allow for a morphological species concept. By Sanger sequencing of a large collection of morphospecies, this study presents the largest database to date of dark-spored myxomycetes and evaluate a partial 18S SSU gene marker for species annotation...
October 12, 2017: Molecular Ecology Resources
https://www.readbyqxmd.com/read/29021171/combined-effects-of-night-warming-and-light-pollution-on-predator-prey-interactions
#16
Colleen R Miller, Brandon T Barton, Likai Zhu, Volker C Radeloff, Kerry M Oliver, Jason P Harmon, Anthony R Ives
Interactions between multiple anthropogenic environmental changes can drive non-additive effects in ecological systems, and the non-additive effects can in turn be amplified or dampened by spatial covariation among environmental changes. We investigated the combined effects of night-time warming and light pollution on pea aphids and two predatory ladybeetle species. As expected, neither night-time warming nor light pollution changed the suppression of aphids by the ladybeetle species that forages effectively in darkness...
October 11, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28921578/the-darknet-the-new-street-for-street-drugs
#17
J V Pergolizzi, J A LeQuang, R Taylor, R B Raffa
WHAT IS KNOWN AND OBJECTIVE: The "Darknet" ("dark web") has emerged as a means by which illegal drug buys and deliveries can be arranged with apparent anonymity and impunity. Healthcare providers should be aware of this growing source of illicit drugs. COMMENT: The "Darknet" refers to networks isolated from the Internet that cannot be accessed via conventional search engines. They require special software that is protected by special encryption. The initial legitimate use of a "Darknet" to conceal personal information against misuse or political reprisal is being exploited to conceal the identity of buyers and sellers in illegal drug transactions...
December 2017: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/28836317/ccbuilder-2-0-powerful-and-accessible-coiled-coil-modeling
#18
Christopher W Wood, Derek N Woolfson
The increased availability of user-friendly and accessible computational tools for biomolecular modeling would expand the reach and application of biomolecular engineering and design. For protein modeling, one key challenge is to reduce the complexities of 3D protein folds to sets of parametric equations that nonetheless capture the salient features of these structures accurately. At present, this is possible for a subset of proteins, namely, repeat proteins. The α-helical coiled coil provides one such example, which represents ≈ 3-5% of all known protein-encoding regions of DNA...
January 2018: Protein Science: a Publication of the Protein Society
https://www.readbyqxmd.com/read/28813504/effect-of-co2-induced-seawater-acidification-on-growth-photosynthesis-and-inorganic-carbon-acquisition-of-the-harmful-bloom-forming-marine-microalga-karenia-mikimotoi
#19
Shunxin Hu, Bin Zhou, You Wang, Ying Wang, Xinxin Zhang, Yan Zhao, Xinyu Zhao, Xuexi Tang
Karenia mikimotoi is a widespread, toxic and non-calcifying dinoflagellate, which can release and produce ichthyotoxins and hemolytic toxins affecting the food web within the area of its bloom. Shifts in the physiological characteristics of K. mikimotoi due to CO2-induced seawater acidification could alter the occurrence, severity and impacts of harmful algal blooms (HABs). Here, we investigated the effects of elevated pCO2 on the physiology of K. mikimotoi. Using semi-continuous cultures under controlled laboratory conditions, growth, photosynthesis and inorganic carbon acquisition were determined over 4-6 week incubations at ambient (390ppmv) and elevated pCO2 levels (1000 ppmv and 2000 ppmv)...
2017: PloS One
https://www.readbyqxmd.com/read/28659874/the-deep-sea-microbial-community-from-the-amazonian-basin-associated-with-oil-degradation
#20
Mariana E Campeão, Luciana Reis, Luciana Leomil, Louisi de Oliveira, Koko Otsuki, Piero Gardinali, Oliver Pelz, Rogerio Valle, Fabiano L Thompson, Cristiane C Thompson
One consequence of oil production is the possibility of unplanned accidental oil spills; therefore, it is important to evaluate the potential of indigenous microorganisms (both prokaryotes and eukaryotes) from different oceanic basins to degrade oil. The aim of this study was to characterize the microbial response during the biodegradation process of Brazilian crude oil, both with and without the addition of the dispersant Corexit 9500, using deep-sea water samples from the Amazon equatorial margin basins, Foz do Amazonas and Barreirinhas, in the dark and at low temperatures (4°C)...
2017: Frontiers in Microbiology
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