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Opinion/Hypothesis | Host-Microbe BiologyIn Defense of an Academic Career in MicrobiologyThe rise of Quit Lit describing the myriad reasons for leaving academia and constant complaining by mentors leave many trainees with little desire for an academic career. Although there are clearly structural and social problems in academia, I feel that they are outweighed by the benefits of working and living in an academic environment.
Research Article | Applied and Environmental ScienceComponent Microenvironments and System Biogeography Structure Microorganism Distributions in Recirculating Aquaculture and Aquaponic SystemsRecirculating aquaculture systems (RAS) are agroecosystems for intensive on-land cultivation of products of fisheries. Practitioners that incorporate edible plant production into RAS refer to these facilities as aquaponic systems (AP). RAS have the potential to offset declining production levels of wild global fisheries while reducing waste and product distance to market, but system optimization is needed to reduce costs. Both RAS and...
Research Article | Host-Microbe BiologyThe Gut Microbiota of Healthy Aged Chinese Is Similar to That of the Healthy YoungWe report the large-scale use of compositional data analysis to establish a baseline microbiota composition in an extremely healthy cohort of the Chinese population. This baseline will serve for comparison for future cohorts with chronic or acute disease. In addition to the expected difference in the microbiota of children and adults, we found that the microbiota of the elderly in this population was similar in almost all respects to...
Research Article | Ecological and Evolutionary SciencePlasticity in the Human Gut Microbiome Defies Evolutionary ConstraintsThe results of this study indicate a discordance between gut microbiome composition and evolutionary history in primates, calling into question previous notions about host genetic control of the primate gut microbiome. Microbiome similarities between humans consuming nonindustrialized diets and monkeys characterized by subsisting on eclectic, omnivorous diets also raise questions about the ecological and nutritional drivers shaping the...
Research Article | Clinical Science and EpidemiologyReconstruction of the Genomes of Drug-Resistant Pathogens for Outbreak Investigation through Metagenomic SequencingThe study results reported here perfectly demonstrate the power and promise of clinical metagenomics to recover genome sequences of important drug-resistant bacteria and to rapidly provide rich data that inform outbreak investigations and treatment decisions, independently of the need to culture the organisms.
Research Article | Host-Microbe BiologyOptimizing Systems for Cas9 Expression in Toxoplasma gondiiToxoplasma gondii is an intracellular parasite that causes life-threatening disease in immunocompromised patients and affects the developing fetus when contracted during pregnancy. Closely related species cause malaria and severe diarrhea, thereby constituting leading causes for childhood mortality. Despite their importance to global health, this family of parasites...
Research Article | Molecular Biology and PhysiologyC-Terminal Farnesylation of UCH-L1 Plays a Role in Transport of Epstein-Barr Virus Primary Oncoprotein LMP1 to ExosomesExosomes are small vesicles that cells secrete into the extracellular space, and there is increasing evidence that they have pivotal roles in cell-to-cell communication in malignancy. It is reported also that EBV-associated malignant cells, including those derived from nasopharyngeal carcinoma (NPC) and B-cell lymphoma, secrete exosomes. These EBV-related exosomes may contain viral products such as latent membrane protein 1 (LMP1) and...
Research Article | Clinical Science and EpidemiologyWhole-Genome Sequencing of Human Clinical Klebsiella pneumoniae Isolates Reveals Misidentification and Misunderstandings of Klebsiella pneumoniae, Klebsiella variicola, and Klebsiella quasipneumoniaeKlebsiella pneumoniae is a serious human pathogen associated with resistance to multiple antibiotics and high mortality. K. variicola and K. quasipneumoniae are closely related organisms that are generally considered to be less-virulent opportunistic pathogens. We used a large, comprehensive, population-based strain collection and whole-genome...
Resource Report | Host-Microbe BiologyFusobacterium Genomics Using MinION and Illumina Sequencing Enables Genome Completion and CorrectionFusobacterium spp. are Gram-negative, oral bacteria that are increasingly associated with human pathologies as diverse as periodontitis, preterm birth, and colorectal cancer. While a recent surge in F. nucleatum research has increased our understanding of this human pathogen, a lack of complete genomes has hindered the identification and characterization of...
Research Article | Clinical Science and EpidemiologyGenotypic and Phenotypic Characterization of Antimicrobial Resistance in Neisseria gonorrhoeae: a Cross-Sectional Study of Isolates Recovered from Routine Urine Cultures in a High-Incidence SettingNeisseria gonorrhoeae causes the sexually transmitted infection gonorrhea, which is most commonly diagnosed using a DNA-based detection method that does not require growth and isolation of N. gonorrhoeae in the laboratory. This is problematic because the rates of antibiotic resistance in...