Background: As part of a large science education effort, bacteriophages that lyse mc155 continue to be discovered.
Materials And Methods: Phages were isolated from soil samples from urban sites in the Northeastern United States. Their genomes were sequenced, assembled, and bioinformatically compared.
Serotonin (5-hydroxytryptamine, 5-HT) signaling plays an important role in dynamic control of peripheral and central nervous system physiology, with altered 5-HT homeostasis implicated in a significant number of disorders, ranging from pulmonary, bowel, and metabolic disease to depression, obsessive-compulsive disorder, and autism spectrum disorder (ASD). The presynaptic, 5-HT transporter (SERT) has a well-established role in regulating 5-HT signaling and is a target of widely prescribed psychotherapeutics, the 5-HT selective reuptake inhibitors (SSRIs). Although SSRI therapy provides symptom relief for many suffering from mood and anxiety disorders, response to these medications is slow (weeks), and too many receive modest or no benefit.
View Article and Find Full Text PDFAnimal manures contain a large and diverse reservoir of antimicrobial resistance (AMR) genes that could potentially spillover into the general population through transfer of AMR to antibiotic-susceptible pathogens. The ability of poultry litter microbiota to transmit AMR was examined in this study. Abundance of phenotypic AMR was assessed for litter microbiota to the antibiotics: ampicillin (Ap; 25 μg/mL), chloramphenicol (Cm; 25 μg/mL), streptomycin (Sm; 100 μg/mL), and tetracycline (Tc; 25 μg/mL).
View Article and Find Full Text PDFThe purpose of this study was to examine the effects of Incremental Rehearsal (IR) and traditional drill (TD) on retention of multiplication facts with 29 students in third and fourth grades with low mathematical skills. Results indicated that IR led to significantly more facts being retained, and was essentially equal to TD for efficiency as measured by number of facts retained per instructional minute. Memory scores accounted for 34% of the variance beyond mathematics calculation scores in retention of multiplication facts for the TD condition, but only 2% of the variance for the IR condition.
View Article and Find Full Text PDFIn this article, a participant of the first Lamaze Advocacy Summit provides a recap of the event. Legislative advocacy is becoming increasingly important to fight the U.S.
View Article and Find Full Text PDFMany wildlife species are propagated in captivity as models for behavioral, physiological, and genetic research or to provide assurance populations to protect threatened species. However, very little is known about how animals evolve in the novel environment of captivity. The histories of most laboratory strains are poorly documented, and protected populations of wildlife species are usually too small and too short-term to allow robust statistical analysis.
View Article and Find Full Text PDFIn this column, Allison and Paul Walsh share the story of the birth of Nora, their third baby and their second child to be born at home. Allison and Paul share their individual memories of labor and birth. But their story is only part of the story of Nora's birth.
View Article and Find Full Text PDFThis collection of commentaries by childbirth educators, doulas, a labor and delivery nurse, and a woman preparing for the birth of her second baby provide an overall response to all six of Lamaze International's care practice papers that promote normal birth: Labor Begins on Its Own; Freedom of Movement throughout Labor; Continuous Labor Support; No Routine Interventions; Non-Supine (e.g., Upright or Side-Lying) Positions for Birth; and No Separation of Mother and Baby with Unlimited Opportunity for Breastfeeding.
View Article and Find Full Text PDFBackground: We have previously shown that a structured in-hospital and outpatient heart failure (HF) program reduces clinical events over a 3-month period following hospital discharge.
Aims: This prospective randomized controlled study examines the additional benefits of extending the standard 3-month HF program to 6 months on death and readmission over a 2-year follow-up period.
Methods: Of 161 patients admitted with NYHA class IV HF who completed the standard 3-month HF program, 130 consenting patients (mean age 69.
Reprod Fertil Dev
December 2002
Inbreeding effects on fitness have most often been quantified via juvenile mortality. However, inbred adults may suffer from inbreeding depression if their fertility or fecundity is compromised as a consequence of inbreeding. Here, the effects of inbreeding on male fertility in oldfield mice, Peromyscus polionotus, were examined.
View Article and Find Full Text PDFThe severity of inbreeding depression appears to vary among taxa, but few ecological or other patterns have been identified that predict accurately which taxa are most sensitive to inbreeding. To examine the causes of heterogeneity in inbreeding depression, the effects of inbreeding on reproduction, survival, and growth were measured in three replicate experimental stocks for each of three subspecies of Peromyscus polionotus mice. Inbreeding of the dam reduced the probability of breeding, the probability of producing a second litter, and litter size.
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