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Videos de Conceptos Relacionados

Homologous Recombination02:31

Homologous Recombination

The basic reaction of homologous recombination (HR) involves two chromatids that contain DNA sequences sharing a significant stretch of identity. One of these sequences uses a strand from another as a template to synthesize DNA in an enzyme-catalyzed reaction. The final product is a novel amalgamation of the two substrates. To ensure an accurate recombination of sequences, HR is restricted to the S and G2 phases of the cell cycle. At these stages, the DNA has been replicated already and the...
Statistical Software for Data Analysis and Clinical Trials01:12

Statistical Software for Data Analysis and Clinical Trials

Statistical software is pivotal in data analysis and clinical trials by providing tools to analyze data, draw conclusions, and make predictions. These software packages range from simple data management applications to complex analytical platforms, supporting various statistical tests, models, and simulation techniques. Their significance lies in their ability to handle vast amounts of data with precision and efficiency, enabling researchers to validate hypotheses, identify trends, and make...
Crossing Over01:30

Crossing Over

Crossing over is the exchange of genetic information between homologous chromosomes during prophase I of meiosis I. Genetic recombination gives rise to allelic diversity in the newly formed daughter cells. In humans, crossing over produces genetically distinct haploid egg and sperm cells that undergo fertilization to produce unique offspring. Before cell division starts, the germ cell’s chromosome(s) undergo duplication in the S phase of the cell cycle. As the cells enter prophase I, duplicated...
Conservative Site-specific Recombination and Phase Variation02:53

Conservative Site-specific Recombination and Phase Variation

Because the DNA segments are cut and reorganized in a direction-specific manner, site-specific recombination has emerged as an efficient genetic engineering technique. Flippase and Cyclization recombinases or Flp and Cre, respectively, are two members of the tyrosine recombinase family derived from bacteriophages, that are used to mediate site-specific DNA insertions, deletions, and targeted expression of proteins in mammalian cell lines.
The recognition sites for Cre recombinase called LoxP...
Introduction to R01:11

Introduction to R

R is a powerful software environment for statistical computing and graphics. Originating as an implementation of the S language, developed at Bell Laboratories, R has evolved into a robust, open-source statistical software favored by statisticians and data scientists worldwide. Its comprehensive suite includes data manipulation, calculation, and graphical display capabilities, making it versatile for data analysis and visualization. Its programming language is at the core of R's functionality,...
The Small x Assumption02:20

The Small x Assumption

If a reaction has a small equilibrium constant, the equilibrium position favors the reactants. In such reactions, a negligible change in concentration may occur if the initial concentrations of reactants are high and the Kc value is small. In such circumstances, the equilibrium concentration is approximately equal to its initial concentration. This estimation can be used to simplify the equilibrium calculations by assuming that some equilibrium concentrations are equal to the initial...

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Video Experimental Relacionado

Updated: May 26, 2026

A Robust Single-Particle Cryo-Electron Microscopy (cryo-EM) Processing Workflow with cryoSPARC, RELION, and Scipion
13:43

A Robust Single-Particle Cryo-Electron Microscopy (cryo-EM) Processing Workflow with cryoSPARC, RELION, and Scipion

Published on: January 31, 2022

Investigación reproducible en ciencias computacionales.

Roger D Peng1

  • 1Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA. rpeng@jhsph.edu

Science (New York, N.Y.)
|December 7, 2011
PubMed
Resumen
Este resumen es generado por máquina.

Los avances de la ciencia computacional se enfrentan a desafíos de evaluación. La reproducibilidad ofrece un estándar crucial para las afirmaciones científicas cuando la replicación completa es inviable.

Videos de Experimentos Relacionados

Last Updated: May 26, 2026

A Robust Single-Particle Cryo-Electron Microscopy (cryo-EM) Processing Workflow with cryoSPARC, RELION, and Scipion
13:43

A Robust Single-Particle Cryo-Electron Microscopy (cryo-EM) Processing Workflow with cryoSPARC, RELION, and Scipion

Published on: January 31, 2022

Área de la Ciencia:

  • Ciencias computacionales Ciencias computacionales.
  • Evaluación Científica de la Evaluación Científica

Sus antecedentes:

  • La ciencia computacional ha producido avances significativos.
  • La naturaleza del trabajo computacional pone de relieve los desafíos en la evaluación de los resultados publicados.
  • Los métodos de evaluación existentes pueden ser insuficientes para estudios computacionales complejos.

Objetivo del estudio:

  • Explorar el papel de la reproducibilidad en la evaluación científica.
  • Proponer la reproducibilidad como un estándar mínimo para las afirmaciones científicas.
  • Para abordar las limitaciones en la evaluación de los hallazgos de la ciencia computacional.

Principales métodos:

  • Revisión de la literatura sobre la evaluación científica y la reproducibilidad.
  • Análisis de los desafíos en la replicación de estudios computacionales.
  • Desarrollo de un marco conceptual para las normas de reproducibilidad.

Principales resultados:

  • La reproducibilidad puede servir como un estándar práctico para las afirmaciones científicas.
  • Proporciona un punto de referencia cuando la replicación totalmente independiente no es posible.
  • Este estándar es particularmente relevante para la ciencia computacional.

Conclusiones:

  • La reproducibilidad es esencial para mantener la integridad científica en los campos computacionales.
  • La implementación de estándares de reproducibilidad puede mejorar la fiabilidad de los hallazgos publicados.
  • La investigación adicional debe centrarse en el desarrollo y la adopción de prácticas de reproducibilidad.