Gainesville: The decision to shelve detailed advice from the nation’s top disease control experts for reopening communities during the coronavirus pandemic came from the highest levels of the White House, according to internal government emails obtained by The Associated Press. The files also show that after the AP reported Thursday that the guidance document had been buried, the Trump administration ordered key parts of it to be fast-tracked for approval. The trove of emails shows the nation’s top public health experts at the Centers for Disease Control and Prevention spending weeks working on guidance to help the country deal with a public health emergency, only to see their...

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The United States on Thursday voiced concern over the Philippine government-ordered shutdown of the country’s top broadcaster ABS-CBN, which has been targeted by President Rodrigo ...

The decision to shelve detailed advice from the nation’s top disease control experts for reopening communities during the coronavirus pandemic came from the highest levels ...

Overnight testing recorded three new cases of coronavirus from 1,137 swab tests and six more people have recovered.

Opposition leader Adrian Delia meets PBS top officials

While admitting that the official death toll from the coronavirus outbreak in Iran has exceeded 6,000, the Islamic Republic Minister of Health warned of a heavy second wave of the disease next autumn and winter. ";A relatively heavy attack by a combination of flu and coronavirus is expected in the fall and winter";, the Minister, Saeed Namaki, reiterated.

The Philippines’ top broadcaster ABS-CBN on Tuesday was ordered off the air over a stalled operating licence renewal, drawing fresh charges that authorities were cracking down on press freedom.Since running afoul of President Rodrigo Duterte in 2016, the media powerhouse has seen bills to extend its franchise languish in Congress as the leader repeatedly attacked ABS-CBN in speeches.Duterte is notorious for tangling with media outlets critical of his policies, sparking concern that press…

LAHORE: National Transmission and Despatch Company Limited is all set to remove identified system constraints in order to provide uninterrupted power supply to the consumers of respective areas. In...

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“His ultimate passion was for good governance and his advocacy was to help save the environment. He was a highly principled man who sought refuge in his faith.”

The post Dumaguete mourns death of broadcaster 2 days after World Press Freedom Day appeared first on Bulatlat.

NEW DELHI: Foreign direct investment (FDI) in the real estate sector could jump over two-fold in the next one year with easing of FDI rules in the construction sector, realtors’ body NAREDCO said today. Real estate developers and consultants were of the view that this move would give fillip to cash-starved realty sector, which is reeling under a slowdown since last 2-3 years. It will help developers in raising funds to complete projects. Yesterday, the Cabinet relaxed FDI rules in construction sector by reducing minimum built-up area as well as capital requirement and easing the exit norms. “Reduction in minimum built-up area to 20,000 sq meters from 50,000 sq meters […]

PIC32 Family Reference Manual, Sect. 22 12-bit High-Speed SAR ADC

dsPIC33/PIC24 FRM, 12-Bit High-Speed, Multiple SARs A/D Converter (ADC)

AN3453 - Sensored 3-Phase BLDC Motor Control Using Sinusoidal Drive

CES 2017, Las Vegas – January 4, 2017 - Today, HARMAN International Industries, Incorporated (NYSE:HAR), the premier connected technologies company for automotive, consumer and enterprise markets, announced the Infinity BassLink DC compact powered ...

NORTHRIDGE, Calif.—HARMAN Professional Solutions, the global leader in audio, video, lighting and control systems, today announced the new AKG Podcaster Essentials bundle at the 2020 NAMM show in Anaheim, California and the 2020 CES shows in Las Vegas,...

Consumers are constantly exploring new ways to connect to the world around them both in and outside of their vehicles. At HARMAN, enabling connected experiences is at the core of everything we do. That’s why we’re launching the Experiences Per Mile...

In the midst of the Covid-19 pandemic and the drastic changes in social interaction that it has caused, who among us has not felt the desire to reach out, to engage, to reconnect? At HARMAN, one of our most dearly-held beliefs is that music empowers...

Down is a sci-fi podcast about a crewed mission into a mysterious Antarctic hole that has opened up as a result of climate change, what will the crew find?

The White House shelved a step-by-step guide prepared by U.S. health officials to help states safely reopen mass transit and businesses closed by the coronavirus pandemic, an administration official said on Thursday. This report produced by Chris Dignam.

The White House shelved a step-by-step guide prepared by U.S. health officials to help states safely reopen mass transit and businesses closed by the coronavirus pandemic, an administration official said on Thursday. This report produced by Chris Dignam.

The White House shelved a step-by-step guide prepared by U.S. health officials to help states safely reopen mass transit and businesses closed by the coronavirus pandemic, an administration official said on Thursday. This report produced by Chris Dignam.

Title: More Than 4 in 10 Americans Are Now Obese: CDC
Category: Health News
Created: 2/27/2020 12:00:00 AM
Last Editorial Review: 2/27/2020 12:00:00 AM

Title: FDA, CDC: Don't Eat Raw Alfalfa Sprouts
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Title: Steep Rise in Suicides Among Middle-Aged Americans, CDC Says
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Category: Health News
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Category: Health News
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Title: Thousands of COVID-19 Cases Among Inmates and Staff at U.S. Prisons and Jails: CDC
Category: Health News
Created: 5/7/2020 12:00:00 AM
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ABSTRACT

The archaeal cytoplasmic membrane provides an anchor for many surface proteins. Recently, a novel membrane anchoring mechanism involving a peptidase, archaeosortase A (ArtA), and C-terminal lipid attachment of surface proteins was identified in the model archaeon Haloferax volcanii. ArtA is required for optimal cell growth and morphogenesis, and the S-layer glycoprotein (SLG), the sole component of the H. volcanii cell wall, is one of the targets for this anchoring mechanism. However, how exactly ArtA function and regulation control cell growth and morphogenesis is still elusive. Here, we report that archaeal homologs to the bacterial phosphatidylserine synthase (PssA) and phosphatidylserine decarboxylase (PssD) are involved in ArtA-dependent protein maturation. Haloferax volcanii strains lacking either HvPssA or HvPssD exhibited motility, growth, and morphological phenotypes similar to those of an artA mutant. Moreover, we showed a loss of covalent lipid attachment to SLG in the hvpssA mutant and that proteolytic cleavage of the ArtA substrate HVO_0405 was blocked in the hvpssA and hvpssD mutant strains. Strikingly, ArtA, HvPssA, and HvPssD green fluorescent protein (GFP) fusions colocalized to the midcell position of H. volcanii cells, strongly supporting that they are involved in the same pathway. Finally, we have shown that the SLG is also recruited to the midcell before being secreted and lipid anchored at the cell outer surface. Collectively, our data suggest that haloarchaea use the midcell as the main surface processing hot spot for cell elongation, division, and shape determination.

IMPORTANCE The subcellular organization of biochemical processes in space and time is still one of the most mysterious topics in archaeal cell biology. Despite the fact that haloarchaea largely rely on covalent lipid anchoring to coat the cell envelope, little is known about how cells coordinate de novo synthesis and about the insertion of this proteinaceous layer throughout the cell cycle. Here, we report the identification of two novel contributors to ArtA-dependent lipid-mediated protein anchoring to the cell surface, HvPssA and HvPssD. ArtA, HvPssA, and HvPssD, as well as SLG, showed midcell localization during growth and cytokinesis, indicating that haloarchaeal cells confine phospholipid processing in order to promote midcell elongation. Our findings have important implications for the biogenesis of the cell surface.

ABSTRACT

The capsule is the dominant Streptococcus pneumoniae virulence factor, yet how variation in capsule thickness is regulated is poorly understood. Here, we describe an unexpected relationship between mutation of adcAII, which encodes a zinc uptake lipoprotein, and capsule thickness. Partial deletion of adcAII in three of five capsular serotypes frequently resulted in a mucoid phenotype that biochemical analysis and electron microscopy of the D39 adcAII mutants confirmed was caused by markedly increased capsule thickness. Compared to D39, the hyperencapsulated adcAII mutant strain was more resistant to complement-mediated neutrophil killing and was hypervirulent in mouse models of invasive infection. Transcriptome analysis of D39 and the adcAII mutant identified major differences in transcription of the Sp_0505-0508 locus, which encodes an SpnD39III (ST5556II) type I restriction-modification system and allelic variation of which correlates with capsule thickness. A PCR assay demonstrated close linkage of the SpnD39IIIC and F alleles with the hyperencapsulated adcAII strains. However, transformation of adcAII with fixed SpnD39III alleles associated with normal capsule thickness did not revert the hyperencapsulated phenotype. Half of hyperencapsulated adcAII strains contained the same single nucleotide polymorphism in the capsule locus gene cps2E, which is required for the initiation of capsule synthesis. These results provide further evidence for the importance of the SpnD39III (ST5556II) type I restriction-modification system for modulating capsule thickness and identified an unexpected linkage between capsule thickness and mutation of adcAII. Further investigation will be needed to characterize how mutation of adcAII affects SpnD39III (ST5556II) allele dominance and results in the hyperencapsulated phenotype.

IMPORTANCE The Streptococcus pneumoniae capsule affects multiple interactions with the host including contributing to colonization and immune evasion. During infection, the capsule thickness varies, but the mechanisms regulating this are poorly understood. We have identified an unsuspected relationship between mutation of adcAII, a gene that encodes a zinc uptake lipoprotein, and capsule thickness. Mutation of adcAII resulted in a striking hyperencapsulated phenotype, increased resistance to complement-mediated neutrophil killing, and increased S. pneumoniae virulence in mouse models of infection. Transcriptome and PCR analysis linked the hyperencapsulated phenotype of the adcAII strain to specific alleles of the SpnD39III (ST5556II) type I restriction-modification system, a system which has previously been shown to affect capsule thickness. Our data provide further evidence for the importance of the SpnD39III (ST5556II) type I restriction-modification system for modulating capsule thickness and identify an unexpected link between capsule thickness and adcAII, further investigation of which could further characterize mechanisms of capsule regulation.

ABSTRACT

Coinfections shape immunity and influence the development of inflammatory diseases, resulting in detrimental or beneficial outcome. Coinfections with concurrent Plasmodium species can alter malaria clinical evolution, and malaria infection itself can modulate autoimmune reactions. Yet, the underlying mechanisms remain ill defined. Here, we demonstrate that the protective effects of some rodent malaria strains on T cell-mediated inflammatory pathologies are due to an RNA virus cohosted in malaria-parasitized blood. We show that live and extracts of blood parasitized by Plasmodium berghei K173 or Plasmodium yoelii 17X YM, protect against P. berghei ANKA-induced experimental cerebral malaria (ECM) and myelin oligodendrocyte glycoprotein (MOG)/complete Freund’s adjuvant (CFA)-induced experimental autoimmune encephalomyelitis (EAE), and that protection is associated with a strong type I interferon (IFN-I) signature. We detected the presence of the RNA virus lactate dehydrogenase-elevating virus (LDV) in the protective Plasmodium stabilates and we established that LDV infection alone was necessary and sufficient to recapitulate the protective effects on ECM and EAE. In ECM, protection resulted from an IFN-I-mediated reduction in the abundance of splenic conventional dendritic cell and impairment of their ability to produce interleukin (IL)-12p70, leading to a decrease in pathogenic CD4⁺ Th1 responses. In EAE, LDV infection induced IFN-I-mediated abrogation of IL-23, thereby preventing the differentiation of granulocyte-macrophage colony-stimulating factor (GM-CSF)-producing encephalitogenic CD4⁺ T cells. Our work identifies a virus cohosted in several Plasmodium stabilates across the community and deciphers its major consequences on the host immune system. More generally, our data emphasize the importance of considering contemporaneous infections for the understanding of malaria-associated and autoimmune diseases.

IMPORTANCE Any infection modifies the host immune status, potentially ameliorating or aggravating the pathophysiology of a simultaneous inflammatory condition. In the course of investigating how malaria infection modulates the severity of contemporaneous inflammatory diseases, we identified a nonpathogenic mouse virus in stabilates of two widely used rodent parasite lines: Plasmodium berghei K173 and Plasmodium yoelii 17X YM. We established that the protective effects of these Plasmodium lines on cerebral malaria and multiple sclerosis are exclusively due to this virus. The virus induces a massive type I interferon (IFN-I) response and causes quantitative and qualitative defects in the ability of dendritic cells to promote pathogenic T cell responses. Beyond revealing a possible confounding factor in rodent malaria models, our work uncovers some bases by which a seemingly innocuous viral (co)infection profoundly changes the immunopathophysiology of inflammatory diseases.

This season’s flu vaccine was 45% effective overall and 55% effective among children and teens, the Centers for Disease Control and Prevention reported in February.

The Diabetes Control and Complications Trial/Epidemiology of Diabetes Interventions and Complications (DCCT/EDIC) study demonstrated that intensive glucose control reduced the risk of developing diabetic peripheral neuropathy (DPN) and cardiovascular autonomic neuropathy (CAN). We evaluated multiple risk factors and phenotypes associated with DPN and CAN in this large, well-characterized cohort of participants with type 1 diabetes, followed for >23 years. DPN was defined by symptoms, signs, and nerve conduction study abnormalities in ≥2 nerves; CAN was assessed using standardized cardiovascular reflex tests. Generalized estimating equation models assessed the association of DPN and CAN with individual risk factors measured repeatedly. During DCCT/EDIC, 33% of participants developed DPN and 44% CAN. Higher mean HbA_1c was the most significant risk factor for DPN, followed by older age, longer duration, greater height, macroalbuminuria, higher mean pulse rate, β-blocker use, and sustained albuminuria. The most significant risk factor for CAN was older age, followed by higher mean HbA_1c, sustained albuminuria, longer duration of type 1 diabetes, higher mean pulse rate, higher mean systolic blood pressure, β-blocker use, estimated glomerular filtration rate <60 mL/min/1.73 m², higher most recent pulse rate, and cigarette smoking. These findings identify risk factors and phenotypes of participants with diabetic neuropathy that can be used in the design of new interventional trials and for personalized approaches to neuropathy prevention.

BACKGROUND AND PURPOSE:

Diffuse intrinsic pontine glioma is a lethal childhood brain cancer with dismal prognosis and MR imaging is the primary methodology used for diagnosis and monitoring. Our aim was to determine whether advanced diffusion, perfusion, and permeability MR imaging metrics predict survival and pseudoprogression in children with newly diagnosed diffuse intrinsic pontine glioma.