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Related Concept Videos

Modern Molecular Taxonomy01:29

Modern Molecular Taxonomy

Advancements in molecular biology have revolutionized the identification and characterization of bacteria, with multiple methods leveraging DNA sequencing for enhanced precision. As sequencing technologies improve and costs decline, these approaches are increasingly used in clinical, environmental, and evolutionary studies.Multilocus Sequence Typing (MLST) examines several housekeeping genes, essential chromosomal genes encoding cellular functions, to distinguish strains. Approximately...
Genomic DNA in Eukaryotes00:58

Genomic DNA in Eukaryotes

Eukaryotes have large genomes compared to prokaryotes. To fit their genomes into a cell, eukaryotic DNA is packaged extraordinarily tightly inside the nucleus. To achieve this, DNA is tightly wound around proteins called histones, which are packaged into nucleosomes that are joined by linker DNA and coil into chromatin fibers. Additional fibrous proteins further compact the chromatin, which is recognizable as chromosomes during certain phases of cell division.
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...
Genomic DNA in Prokaryotes00:46

Genomic DNA in Prokaryotes

The genome of most prokaryotic organisms consists of double-stranded DNA organized into one circular chromosome in a region of cytoplasm called the nucleoid. The chromosome is tightly wound, or supercoiled, for efficient storage. Prokaryotes also contain other circular pieces of DNA called plasmids. These plasmids are smaller than the chromosome and often carry genes that confer adaptive functions, such as antibiotic resistance.
Genomic Diversity in Bacteria
Although bacterial genomes are much...
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...
Applications of Molecular Taxonomy01:20

Applications of Molecular Taxonomy

Molecular taxonomy has revolutionized the understanding and classification of bacteria, providing precise insights into their diversity, evolutionary relationships, and ecological roles. By utilizing molecular techniques such as DNA sequencing and fingerprinting, researchers have made significant strides in various fields related to bacterial studies.Resolving Taxonomic AmbiguitiesMolecular taxonomy has been instrumental in distinguishing closely related bacterial species initially thought to...

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Related Experiment Video

Updated: Jun 4, 2026

Navigating MARRVEL, a Web-Based Tool that Integrates Human Genomics and Model Organism Genetics Information
09:37

Navigating MARRVEL, a Web-Based Tool that Integrates Human Genomics and Model Organism Genetics Information

Published on: August 15, 2019

[Knowledgebases in postgenomic molecular biology].

A V Lisitsa, B V Shilov, P A Evdokimov

    Biomeditsinskaia Khimiia
    |February 19, 2011
    PubMed
    Summary
    This summary is machine-generated.

    Knowledgebases enhance molecular biology information retrieval and biomedical research. Web usage mining personalizes internet resource access for researchers in the post-genomic era.

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    Area of Science:

    • Molecular Biology
    • Bioinformatics
    • Computational Biology

    Context:

    • The post-genomic era presents complex challenges for biomedical research and development (R&D).
    • Effective information retrieval is crucial for advancing molecular biology and life sciences.
    • Current internet resources are vast and can be overwhelming for researchers.

    Purpose:

    • To explore the concept of knowledgebases for personalized access to internet resources.
    • To leverage web usage mining techniques for improved information retrieval.
    • To facilitate the integration of research groups towards post-genomic challenges.

    Summary:

    • This paper discusses knowledgebase concepts that utilize web usage mining.
    • The goal is to personalize internet resource access for molecular biologists.
    • This approach aims to enhance the quality of information retrieval and support R&D.

    Impact:

    • Knowledgebases can significantly improve information retrieval quality in molecular biology.
    • They promote the development of novel educational methods and R&D forecasting.
    • Implementing knowledge-based technologies can drive a paradigm shift in life sciences.