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Videos de Conceptos Relacionados

Genomics02:02

Genomics

Genomics is the science of genomes: it is the study of all the genetic material of an organism. In humans, the genome consists of information carried in 23 pairs of chromosomes in the nucleus, as well as mitochondrial DNA. In genomics, both coding and non-coding DNA is sequenced and analyzed. Genomics allows a better understanding of all living things, their evolution, and their diversity. It has a myriad of uses: for example, to build phylogenetic trees, to improve productivity and...
Transgenic Plants02:50

Transgenic Plants

Recombinant DNA technology called transgenesis is often used to add a foreign gene or remove a detrimental gene from an organism. Such genetically modified organisms are called transgenic organisms.
The first-ever transgenic plant was a tobacco plant developed in 1983 that showed resistance against the tobacco mosaic virus. Since then, many transgenic plants have been developed and commercialized for improving the agricultural, ornamental, and horticultural value of a crop plant. Transgenic...
Plant Breeding and Biotechnology01:59

Plant Breeding and Biotechnology

Crop cultivation has a long history in human civilization, with records showing the cultivation of cereal plants beginning at around 8000 BC. This early plant breeding was developed primarily to provide a steady supply of food.
Genetic Screens02:46

Genetic Screens

Genetic screens are tools used to identify genes and mutations responsible for phenotypes of interest. Genetic screens help identify individuals or a group of people at risk of developing  genetic diseases and help them with early intervention, targeted therapy, and reproductive options.
Forward genetic screens
Forward or “classical” genetic screens involve creating random mutations in an organism’s DNA using radiation, mutagens, or insertion of additional bases, which result in visible changes...
Transgenic Organisms00:53

Transgenic Organisms

Overview
Evolutionary Relationships through Genome Comparisons02:54

Evolutionary Relationships through Genome Comparisons

Genome comparison is one of the excellent ways to interpret the evolutionary relationships between organisms. The basic principle of genome comparison is that if two species share a common feature, it is likely encoded by the DNA sequence conserved between both species. The advent of genome sequencing technologies in the late 20th century enabled scientists to understand the concept of conservation of domains between species and helped them to deduce evolutionary relationships across diverse...

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Updated: Jul 11, 2026

Annotation of Plant Gene Function via Combined Genomics, Metabolomics and Informatics
08:09

Annotation of Plant Gene Function via Combined Genomics, Metabolomics and Informatics

Published on: June 17, 2012

La genética vegetal: desde el genoma hasta la genómica funcional.

J Kaiser

    Science (New York, N.Y.)
    |September 11, 2007
    PubMed
    Resumen

    Los científicos están lanzando un plan para determinar las funciones de los 25.000 genes de la planta modelo Arabidopsis thaliana. Esta iniciativa es apoyada por la National Science Foundation y coincide con los nuevos marcadores moleculares para el descubrimiento de genes.

    Área de la Ciencia:

    • Biología vegetal Biología vegetal
    • La genómica es la genómica.
    • Genética molecular genética molecular.

    Sus antecedentes:

    • Arabidopsis thaliana es un organismo modelo ampliamente utilizado en la ciencia de las plantas.
    • La secuenciación genética de la Arabidopsis thaliana está casi terminada.
    • La comprensión de la función génica es crucial para la investigación en biología vegetal.

    Objetivo del estudio:

    • Para esbozar un plan ambicioso para la genómica funcional en Arabidopsis thaliana.
    • Para determinar las funciones de los 25.000 genes de la planta.
    • Para aprovechar los marcadores moleculares recién liberados para el descubrimiento de genes.

    Principales métodos:

    • El resumen no especifica los métodos, pero implica un enfoque de genómica funcional a gran escala.

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  • Utilizando marcadores moleculares recientemente desarrollados para la identificación de genes.

    • Principales resultados:

    • Se ha anunciado un plan integral para la genómica funcional.
    • La Fundación Nacional de Ciencias ha respaldado esta iniciativa.
    • Un conjunto de marcadores moleculares para el descubrimiento de genes ha sido liberado inesperadamente.

    Conclusiones:

    • La comunidad de investigación de Arabidopsis está preparada para una nueva fase del descubrimiento de la función génica.
    • La disponibilidad de marcadores moleculares acelerará la investigación.
    • Este esfuerzo coordinado tiene como objetivo comprender exhaustivamente el genoma de la planta.