Notes

Just what the fundamentals of quantum computer science instruct us regarding hormone balance.
Health professionals seeking religious exemption from caring for some patients or providing some interventions receive robust legal protection. Similarly, religiously affiliated organizations have great latitude in deciding which services to offer. These protections could soon become stronger, as the US Supreme Court considers 2 cases that revisit constraints on exemption claims established in Employment Division, Department of Human Resources of Oregon v Smith (1990). This article contends that overturning this case's precedent might result in clinicians claiming more religious exemptions, which, barring acts of US Congress, would erode the rule of law and increase risk of harm to patients.This article considers strategies for illuminating health systems' structural violence toward people experiencing homelessness and for resisting incursion of moral injury to health professional learners. This article also canvasses the nature and scope of educators' obligations to teach in patient-focused ways that motivate equity and students' capacity to serve some of the country's most vulnerable residents in clinical settings or on the streets.Homelessness remains a pervasive, long-standing problem in the United States and is poised to increase as a result of the COVID-19 pandemic. Individuals experiencing homelessness bear a higher burden of complex medical and mental health illnesses and often struggle to obtain quality and timely health care. The United States desperately needs to train a workforce to confront this large and growing crisis, but few health professional schools currently devote curricula to the clinical needs of people experiencing homelessness. This article discusses educational and curricular strategies for health professional students. Understanding the health needs of-and the social influences on the lives of-people experiencing homelessness is crucial for addressing this health equity challenge.Important but frequently overlooked childhood trauma outcomes can manifest later in patients' lives and include neurophysiological influences on language perception and expression, memory, attention, abstract reasoning, emotional regulation, and executive functioning. Therefore, when interacting with patients experiencing homelessness, mental illnesses, and substance use disorders, clinicians should adopt a trauma-informed approach to generating deeper understandings of patients' neurobiological makeup and psychosocial histories, especially when discussing interventions and during informed consent.The COVID-19 pandemic underscores long-standing challenges to the health of persons experiencing homelessness. This case commentary considers primary care clinicians' response to a patient who declines COVID-19 testing and isolation. This article also considers other outbreaks in the United States in which the autonomy of persons with low income or persons of color was neglected and calls for community engagement, policies that center interests of marginalized groups, and economic relief, including supportive housing.A Gram-stain-negative, aerobic, milky white bacterium, designated B2012T, was isolated from mangrove sediment collected at Beibu Gulf, South China Sea. Antimicrobial activity assay revealed that the isolate possesses the capability of producing antibacterial compounds. Strain B2012T shared the highest 16S rRNA gene sequence relatedness (96.9-95.5 %) with members of the genus Acuticoccus. The isolate and all known Acuticoccus species contain Q-10 as the main respiratory quinone and have the same polar lipid components (phosphatidylcholine, unidentified glycolipid, unidentified lipid, unidentified amino lipid and phosphatidylglycerol). However, genomic relatedness referred by values of average nucleotide identity, digital DNA-DNA hybridization, average amino acid identity and the percentage of conserved proteins between strain B2012T and other type strains of the genus Acuticoccus were below the proposed thresholds for species discrimination. The genome of strain B2012T was assembled into 65 scaffolds with an N50 size of 244239 bp, resulting in a 5.5 Mb genome size. Eight secondary metabolite biosynthetic gene clusters were detected in this genome, including three non-ribosomal peptide biosynthetic loci encoding yet unknown natural products. Strain B2012T displayed moderately halophilic and alkaliphilic properties, growing optimally at 2-3 % (w/v) NaCl concentration and at pH 8-9. The major cellular fatty acids (>10 %) were anteiso-C15  0, C16  0 dimethyl aldehyde (DMA) and C16  0. Combined data from phenotypic, genotypic and chemotaxonomic analyses suggested that strain B2012T represents a novel species of the genus Acuticoccus, for which the name Acuticoccus mangrovi sp. nov. is proposed. The type strain of the type species is B2012T (=MCCC 1K04418T=KCTC 72962T).Mycobacterium abscessus is a rapid growing, free-living species of bacterium that also causes lung infections in humans. Human infections are usually acquired from the environment; however, dominant circulating clones (DCCs) have emerged recently in both M. abscessus subsp. massiliense and subsp. abscessus that appear to be transmitted among humans and are now globally distributed. These recently emerged clones are potentially informative about the ecological and evolutionary mechanisms of pathogen emergence and host adaptation. The geographical distribution of DCCs has been reported, but the genomic processes underlying their transition from environmental bacterium to human pathogen are not well characterized. To address this knowledge gap, we delineated the structure of M. abscessus subspecies abscessus and massiliense using genomic data from 200 clinical isolates of M. abscessus from seven geographical regions. We identified differences in overall patterns of lateral gene transfer (LGT) and barriers to LGTction. Differences were evident among the DCCs as well, which varied in the degree of gene content remodelling, suggesting they were placed differently along the evolutionary trajectory toward host adaptation. These results provide insight into the evolutionary forces that reshape bacterial genomes as they emerge into the pathogenic niche.A yellow-coloured bacterium, designated strain JGD-16T, was isolated from a tidal flat in Janggu-do, Garorim Bay, Taean-gun, Chungcheongbuk-do, Republic of Korea. Cells were Gram-stain-negative, aerobic, non-flagellated and short ovoid to coccoid-shaped. Growth was observed at 10-37 °C (optimum, 30 °C), pH 6.0-9.0 (pH 8.0) and with 1-5% (w/v) NaCl (2%). Results of 16S rRNA gene sequence analysis indicated that strain JGD-16T was closely related to Altererythrobacter xiamenensis LY02T (97.1 %), Altererythrobacter aurantiacus O30T (96.3 %), Altererythrobacter ishigakiensis JPCCMB0017T (95.8 %), Altererythrobacter epoxidivorans JCS350T (95.7 %) and Altererythrobacter insulae BPTF-M16T (95.3%). Phylogenomic analysis using the maximum-likelihood algorithm showed that strain JGD-16T formed a clade with the genus Altererythrobacter. The genomic DNA G+C content was 57.8 mol%. The predominant respiratory quinone was ubiquinone-10. The major polar lipids were diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylglycerol, phosphatidylcholine, a sphingoglycolipid, an unidentified glycolipid and an unidentified lipid. The major fatty acids were C181 ω7c (31.5 %) and C183 ω6c (19.6 %). On the basis of its phylogenomic, physiological and chemotaxonomical characteristics, strain JGD-16T represents a novel species within the genus Altererythrobacter, for which the name Altererythrobacter lutimaris JGD-16Tsp. Lomerizine nov. is proposed. The type strain is JGD-16T (=KCTC 72632T=KACC 21405T=JCM 33750T). We also propose the reclassification of Altererythrobacter deserti as Tsuneonella deserti comb. nov., Altererythrobacter estronivorus as Croceicoccus estronivorus comb. nov. and Altererythrobacter muriae as Alteripontixanthobacter muriae comb. nov.Pectinolytic enzymes are a variety of enzymes involved in breaking down pectin, a complex and abundant plant cell-wall polysaccharide. In nature, pectinolytic enzymes play an essential role in allowing bacteria and fungi to depolymerize and utilize pectin. In addition, pectinases have been widely applied in various industries, such as the food, wine, textile, paper and pulp industries. Due to their important biological function and increasing industrial potential, discovery of novel pectinolytic enzymes has received global interest. However, traditional enzyme characterization relies heavily on biochemical experiments, which are time consuming, laborious and expensive. To accelerate identification of novel pectinolytic enzymes, an automatic approach is needed. We developed a machine learning (ML) approach for predicting pectinases in the industrial workhorse fungus, Aspergillus niger. The prediction integrated a diverse range of features, including evolutionary profile, gene expression, transcriptional regulation and biochemical characteristics. Results on both the training and the independent testing dataset showed that our method achieved over 90 % accuracy, and recalled over 60 % of pectinolytic genes. Application of the ML model on the A. niger genome led to the identification of 83 pectinases, covering both previously described pectinases and novel pectinases that do not belong to any known pectinolytic enzyme family. Our study demonstrated the tremendous potential of ML in discovery of new industrial enzymes through integrating heterogeneous (post-) genomimcs data.Acinetobacter baumannii is an opportunistic pathogen that is difficult to treat due to its resistance to extreme conditions, including desiccation and antibiotics. Most strains causing outbreaks around the world belong to two main global lineages, namely global clones 1 and 2 (GC1 and GC2). Here, we used a combination of Illumina short read and MinION (Oxford Nanopore) long-read sequence data with a hybrid assembly approach to complete the genome sequence of two antibiotic-sensitive GC1 strains, Ex003 and Ax270, recovered in Lebanon from water and a rectal swab of a cat, respectively. Phylogenetic analysis of Ax270 and Ex003 with 186 publicly available GC1 genomes revealed two major clades, including five main lineages (L1-L5), and four single-isolate lineages outside of the two clades. link2 Ax270 and Ex003, along with AB307-0294 and MRSN7213 (both predicted antibiotic-susceptible isolates) represent these individual lineages. Antibiotic resistance islands and transposons interrupting the comM gene remain important features in L1-L5, with L1 associated with the AbaR-type resistance islands, L2 with AbaR4, L3 strains containing either AbaR4 or its variants as well as Tn6022ISAba42, and L4 and L5 associated with Tn6022 or its variants. Analysis of the capsule (KL) and outer core (OCL) polysaccharide loci further revealed a complex evolutionary history probably involving many recombination events. As more genomes become available, more GC1 lineages continue to emerge. However, genome sequence data from more diverse geographical regions are needed to draw a more accurate population structure of this globally distributed clone.A Gram-stain-negative, rod-shaped, motile via polar flagellum, facultatively aerobic, light-yellow, bacterium (designated 188UL20-2T) was isolated from a mussel sample of Mytilus coruscus collected on Ulleung Island, Ulleung-gun, Gyeongsangbuk-do, Republic of Korea. On the basis of 16S rRNA gene sequencing results, strain 188UL20-2T clustered with species of the genus Vibrio and appeared closely related to Vibrio marisflavi DSM 23086T (96.59%), Vibrio variabilis DSM 26147T (96.57%), Vibrio penaeicida DSM 14398T (96.37%) and Vibrio litoralis DSM 17657T (95.97%). The average nucleotide identity and digital DNA-DNA hybridization values between strain 188UL20-2T and its closest related strain were 71.3 and 16.4%, indicating that 188UL20-2T represents a novel species of the genus Vibrio. Growth occurred at 18-37 °C on MA medium in the presence of 1-4% NaCl (w/v) and at pH 5.0-10.0. link3 The DNA G+C content of the genomic DNA was 45.4 mol%, and ubiquinone-8 (Q-8) was the major respiratory quinone. The major cellular fatty acids (>5%) were C161 ω6c and/or C161 ω7c (summed feature 3), C181 ω7c and/or C181 ω6c (summed feature 8), C160, C160 iso, C140, C140 iso and C120.
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