Ariel Winter shocked her fans after revealing a harrowing accident she had once while cooking at her place

Kim Kardashian and Kanye West tied the knot in 2014 and have four children together

Kim Kardashian on Friday said she has started missing her sisters.

LAHORE: Pakistan Muslim League-N President and National Assembly opposition leader Shahbaz Sharif has demanded an in-depth investigation into the medicine scandal through a parliamentary committee. Sugar, wheat and IPPs scandals, the latest drug scandal indicates how powerful mafias within the...

Despite the global outcry against animal sacrifice in Nepal, the tradition persists.

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Some bacteria sacrifice themselves when their colony is attacked by rivals, to save their relatives and make sure their shared genes are passed on

Lessons from the deep past reveal that human-induced warming could create more extreme conditions than Earth has ever experienced

The polysaccharide pectin is a major component of the plant cell wall. The pectic glycan homogalacturonan (HG) is a proportionally small but important component of a specialized seed cell wall called mucilage. HG is synthesized in a highly methylesterified form, and, following secretion, is de-methylesterified by pectin methylesterases (PMEs). The degree of methylesterification of HG determines the structural and functional properties of pectin, but how methylesterification is regulated remains largely unknown. Here, we identified two BEL1-Like homeodomain (BLH) transcription factors, BLH2 and BLH4, as positive regulators of HG de-methylesterification in Arabidopsis (Arabidopsis thaliana) seed coat mucilage. BLH2 and BLH4 were significantly expressed in mucilage secretory cells during seed mucilage production. BLH2 and BLH4 single mutants exhibited no obvious mucilage phenotype, but the blh2 blh4 double mutant displayed significantly reduced mucilage adherence to the seed. Reduced mucilage adherence in blh2 blh4 was caused by decreased PME activity in the seed coat, which increased the degree of methylesterification of HG in mucilage. The expression of several PME metabolism-related genes, including PME58, PECTIN METHYLESTERASE INHIBITOR6, SEEDSTICK, and MYB52 was significantly altered in blh2 blh4 seeds. BLH2 and BLH4 directly activated PME58 expression by binding to its TGACAGGT cis-element. Moreover, pme58 mutants exhibited reduced mucilage adherence similar to that of blh2 blh4, and the blh2 blh4 pme58 triple mutant exhibited no additional mucilage adherence defects. Furthermore, overexpression of PME58 in blh2 blh4 rescued the mucilage adherence defect. Together, these results demonstrate that BLH2 and BLH4 redundantly regulate de-methylesterification of HG in seed mucilage by directly activating PME58.

Surgical procedures are performed in the United States in a wide variety of clinical settings and with variation in clinical outcomes. In May 2012, the Task Force for Children’s Surgical Care, an ad hoc multidisciplinary group comprising physicians representing specialties relevant to pediatric perioperative care, was convened to generate recommendations to optimize the delivery of children’s surgical care. This group generated a white paper detailing the consensus opinions of the involved experts. Following these initial recommendations, the American College of Surgeons (ACS), Children’s Hospital Association, and Task Force for Children’s Surgical Care, with input from all related perioperative specialties, developed and published specific and detailed resource and quality standards designed to improve children’s surgical care (https://www.facs.org/quality-programs/childrens-surgery/childrens-surgery-verification). In 2015, with the endorsement of the American Academy of Pediatrics (https://pediatrics.aappublications.org/content/135/6/e1538), the ACS established a pilot verification program. In January 2017, after completion of the pilot program, the ACS Children’s Surgery Verification Quality Improvement Program was officially launched. Verified sites are listed on the program Web site at https://www.facs.org/quality-programs/childrens-surgery/childrens-surgery-verification/centers, and more than 150 are interested in verification. This report provides an update on the ACS Children’s Surgery Verification Quality Improvement Program as it continues to evolve.

The question of the relative evolutionary roles of adaptive and nonadaptive processes has been a central debate in population genetics for nearly a century. While advances have been made in the theoretical development of the underlying models, and statistical methods for estimating their parameters from large-scale genomic data, a framework for an appropriate null model remains elusive. A model incorporating evolutionary processes known to be in constant operation, genetic drift (as modulated by the demographic history of the population) and purifying selection, is lacking. Without such a null model, the role of adaptive processes in shaping within- and between-population variation may not be accurately assessed. Here, we investigate how population size changes and the strength of purifying selection affect patterns of variation at "neutral" sites near functional genomic components. We propose a novel statistical framework for jointly inferring the contribution of the relevant selective and demographic parameters. By means of extensive performance analyses, we quantify the utility of the approach, identify the most important statistics for parameter estimation, and compare the results with existing methods. Finally, we reanalyze genome-wide population-level data from a Zambian population of Drosophila melanogaster, and find that it has experienced a much slower rate of population growth than was inferred when the effects of purifying selection were neglected. Our approach represents an appropriate null model, against which the effects of positive selection can be assessed.

Replication initiation in eukaryotic cells occurs asynchronously throughout S phase, yielding early- and late-replicating regions of the genome, a process known as replication timing (RT). RT changes during development to ensure accurate genome duplication and maintain genome stability. To understand the relative contributions that cell lineage, cell cycle, and replication initiation regulators have on RT, we utilized the powerful developmental systems available in Drosophila melanogaster. We generated and compared RT profiles from mitotic cells of different tissues and from mitotic and endocycling cells of the same tissue. Our results demonstrate that cell lineage has the largest effect on RT, whereas switching from a mitotic to an endoreplicative cell cycle has little to no effect on RT. Additionally, we demonstrate that the RT differences we observed in all cases are largely independent of transcriptional differences. We also employed a genetic approach in these same cell types to understand the relative contribution the eukaryotic RT control factor, Rif1, has on RT control. Our results demonstrate that Rif1 can function in a tissue-specific manner to control RT. Importantly, the Protein Phosphatase 1 (PP1) binding motif of Rif1 is essential for Rif1 to regulate RT. Together, our data support a model in which the RT program is primarily driven by cell lineage and is further refined by Rif1/PP1 to ultimately generate tissue-specific RT programs.

Interpretation of a 3D seismic survey located on the western margin of the Northern North Sea Basin demonstrates how the propagation, overlap and linkage of two north–south-striking, en echelon normal fault segments exerted a powerful influence over prospective subtle stratigraphic traps. The relay ramp that formed between the segments appears to have focused sediment dispersal, controlled reservoir distribution and aided post-depositional petroleum migration. Integration of electrical well log data, root-mean-square (RMS)-amplitude analysis and biostratigraphy with seismic interpretation demonstrates that a series of elongate, linear, sand-prone (reservoir) channel complexes characterize the depositional slopes generated by fault growth. The combination of synsedimentary rotation of bedding due to fault propagation and associated footwall uplift led to erosion and truncation of a laterally extensive, older channelized system (Lower Sequence), the downdip parts of which extend beyond the relay ramp. Its subsequent drape by transgressive shales created the subtle stratigraphic trap that now hosts the Cladhan Field, with charge occurring because the sandstones belonging to the Lower Sequence extend as far as the active kitchen in the neighbouring (hanging-wall) depocentre situated downdip and to the east. In contrast, the exploration of a younger, Upper Sequence of sandstones has proven to be disappointing due to their more restricted distribution, lack of access to charge, and occurrence of faults that offset and breach the thin end of the stratigraphic wedge. The implication is that partially breached relay ramps not only provide a preferential site for syn-rift clastic reservoirs to develop but also form important migration pathways through which oil passed from a petroleum kitchen into a trap.

Thematic collection: This article is part of the Under-explored plays and frontier basins of the UK continental shelf collection available at: http://www.lyellcollection.org/cc/under-explored-plays-and-frontier-basins-of-the-uk-continental-shelf

Enterococcus faecium strains are commonly resistant to vancomycin and β-lactams. In addition, E. faecium often causes biofilm-associated infections and these infections are difficult to treat. In this context, we investigated the activity of dosing regimens using daptomycin (DAP) (8, 10, 12, and 14 mg/kg of body weight/day) alone and in combination with ceftaroline (CPT), ampicillin (AMP), ertapenem (ERT), and rifampin (RIF) against 2 clinical strains of biofilm-producing vancomycin-resistant Enterococcus faecium (VREfm), namely, strains S447 and HOU503, in an in vitro biofilm model. HOU503 harbors common LiaS and LiaR substitutions, whereas S447 lacks mutations associated with the LiaFSR pathway. MIC results demonstrated that both strains were susceptible to DAP and resistant to CPT, AMP, ERT, and RIF. The 168-h pharmacokinetic/pharmacodynamic (PK/PD) CDC biofilm reactor models (simulating human antibiotic exposures) were used with titanium and polyurethane coupons to evaluate the efficacy of antibiotic combinations. DAP 12 and 14 achieved bactericidal activity against S447 but lacked such effect against HOU503. Addition of ERT and RIF enhanced DAP activity, allowing DAP 8 and 10 plus ERT or RIF to produce bactericidal activity against both strains at 168 h. While DAP 8 and 10 plus CPT improved killing, they did not reach bactericidal reduction against S447. Combination of AMP, CPT, ERT, or RIF resulted in enhanced and bactericidal activity for DAP against HOU503 at 168 h. Our data provide further support for the use of combinations of DAP with AMP, ERT, CPT, and RIF in infections caused by biofilm producing VREfm. Further research involving DAP combinations against biofilm-producing enterococci is warranted.

In children requiring lopinavir coformulated with ritonavir in a 4:1 ratio (lopinavir-ritonavir-4:1) and rifampin, adding ritonavir to achieve a 4:4 ratio with lopinavir (LPV/r-4:4) overcomes the drug-drug interaction. Possible drug-drug interactions within this regimen may affect abacavir concentrations, but this has never been studied. Children weighing <15 kg needing rifampin and LPV/r-4:4 were enrolled in a pharmacokinetic study and underwent intensive pharmacokinetic sampling on 3 visits: (i) during the intensive and (ii) continuation phases of antituberculosis treatment with LPV/r-4:4 and (iii) 1 month after antituberculosis treatment completion on LPV/r-4:1. Pharmacometric modeling and simulation were used to compare exposures across weight bands with adult target exposures. Eighty-seven children with a median (interquartile range) age and weight of 19 (4 to 64) months and 8.7 (3.9 to 14.9) kg, respectively, were included in the abacavir analysis. Abacavir pharmacokinetics were best described by a two-compartment model with first-order elimination and transit compartment absorption. After allometric scaling adjusted for the effect of body size, maturation could be identified: clearance was predicted to be fully mature at about 2 years of age and to reach half of this mature value at about 2 months of age. Abacavir bioavailability decreased 36% during treatment with rifampin and LPV/r-4:4 but remained within the median adult recommended exposure, except for children in the 3- to 4.9-kg weight band, in which the exposures were higher. The observed predose morning trough concentrations were higher than the evening values. Though abacavir exposure significantly decreased during concomitant administration of rifampin and LPV/r-4:4, it remained within acceptable ranges. (This study is registered in ClinicalTrials.gov under identifier NCT02348177.)

This protocol describes a simple single-step column purification (SSCP) of rAAV2 by gravity flow based on its affinity to heparin, without ultracentrifugation.

जानलेवा महामारी कोरोना वायरस से संक्रमित बिहार के बिहार शरीफ के रहने वाले महताब आलम संक्रमण से मुक्त हो गए हैं।

Orange-coloured gel has been made into artificial skin that can be 3D printed in any shape and detect human touch – one day it could help robots feel

Alex and Anna had to rescue Chris from the Rift to do this week’s show. After their daring efforts, Alex tells about his deep love...

Almost 200,000 surgeries and other procedures were shelved indefinitely, as hospitals braced for a deluge that never quite materialized

Roughly three million jobs have been lost over the past two months, the steepest consecutive monthly declines in employment ever recorded

Vanessa Bryant, the widow of late NBA star Kobe Bryant, filed a legal claim Friday against the Los Angeles County Sheriff’s Department over graphic photos that deputies allegedly took and shared of the helicopter crash scene where her husband, 13-year-old daughter, Gigi, and seven others were killed in late January.

MPs are calling for 'strategic clarity' from the Government

The Prince of Wales has paid tribute to NHS staff who have made the "ultimate sacrifice" serving the British public during the coronavirus pandemic.

Mr White also took issue with the duchess's allegation that the publisher "acted dishonestly" when deciding which parts of her letter to her father to publish.

PM urged UK to "contain your impatience" Said it is too soon to "go easy" and relax the lockdown Described virus as "invisble mugger" as he drew on own treatment

The southern Italian region of Calabria has given the go-ahead for pizzerias, bars and restaurants with open-air tables to reopen, sparking a rift today with the central government.

Police have been left "horrified" after finding swastikas sprayed onto signs urging people to stay at home and "protect the NHS".

Elderly residents of a Staffordshire street woke up this morning to find their gardens had been ransacked by vandals.

A man has told how he pulled his young daughter to safety before a "horrific" crash that left his husband trapped between two vehicles in north London.

More than a third of families with children living at home may have to cut back on spending for up to a year after the coronavirus lockdown measures end, a survey has found.

"I just always want to reiterate the spiders are our friends, and this isn't a dangerous spider," said Royal B.C. Museum entomologist Claudia Copley.

1. Trailer Talk: ‘Betaal’ Is Horrific & Intense  Gulte
2. Betaal trailer: Shah Rukh Khan’s new Netflix series unleashes army of zombies  Hindustan Times
3. Betaal trailer: The zombie redcoats are here  The Indian Express
4. Betaal Official Trailer | Viineet Kumar, Aahana Kumra, Suchitra Pillai | 24 May | Netflix India [HD] (Video)  Social News XYZ
5. 5 Scenes From ‘Betaal’ Trailer That Give A Peek Into The Dark Future If We Don’t Contain COVID-19  MensXP.com
6. View Full coverage on Google News

1. Amit Shah clarifies on his health rumours, says he is fine and not suffering from any disease  Zee News
2. Not Allowing Migrants' Trains "Injustice": Amit Shah To Mamata Banerjee  NDTV
3. FAKE ALERT: Fake tweet in which Amit Shah says he has ‘bone cancer’ goes viral  Times of India
4. Shah writes to Mamata: Not allowing trains to reach West Bengal is 'injustice'; TMC reacts  The Tribune India
5. "I Am Absolutely Healthy": Amit Shah On Rumours About His Health  NDTV Profit
6. View Full coverage on Google News

Emily Berch

The post Iowa’s Republican Governor Sacrifices Citizens to Trump appeared first on The Nation.