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Related Concept Videos

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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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...
Genomics02:02

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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...
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Genome Size and the Evolution of New Genes

While every living organism has a genome of some kind (be it RNA, or DNA), there is considerable variation in the sizes of these blueprints. One major factor that impacts genome size is whether the organism is prokaryotic or eukaryotic. In prokaryotes, the genome contains little to no non-coding sequence, such that genes are tightly clustered in groups or operons sequentially along the chromosome. Conversely, the genes in eukaryotes are punctuated by long stretches of non-coding sequence.

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Related Experiment Video

Updated: Jul 3, 2026

Comprehensive Workflow for the Genome-wide Identification and Expression Meta-analysis of the ATL E3 Ubiquitin Ligase Gene Family in Grapevine
10:40

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Published on: December 22, 2017

Development of a maize molecular evolutionary genomic database.

Chunguang Du1, Edward Buckler, Spencer Muse

  • 1Department of Biology and Molecular Biology Montclair State University Upper Montclair NJ 07043 USA.

Comparative and Functional Genomics
|July 17, 2008
PubMed
Summary
This summary is machine-generated.

PANZEA is a new public database for maize genomic diversity, integrating germplasm, molecular, and phenotypic data. It facilitates research on maize evolutionary genomics by providing accessible data and visualization tools.

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Last Updated: Jul 3, 2026

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Published on: July 29, 2019

Area of Science:

  • Genomics
  • Bioinformatics
  • Plant Science

Background:

  • Maize (Zea mays) genomic diversity is crucial for crop improvement and understanding evolution.
  • Existing data repositories often lack integration of diverse data types.
  • The NSF Plant Genome project highlighted the need for a centralized maize genomic diversity resource.

Purpose of the Study:

  • To establish PANZEA, the first public database for maize genomic diversity.
  • To integrate germplasm, molecular, phenotypic, and genomic structural data.
  • To provide a platform for studying maize evolutionary genomics.

Main Methods:

  • Developed a relational database model using Oracle.
  • Implemented data integration for DNA sequences, enzymatic assays, simple sequence repeat (SSR) markers, germplasm, and phenotypic data.
  • Created an automated DNA sequence data submission tool and web-based search/download functionalities.

Main Results:

  • PANZEA successfully stores, integrates, and visualizes diverse maize genomic data.
  • An automated submission tool enables efficient data entry for researchers.
  • Web-based tools allow public access to search and download germplasm, DNA sequence, and gene/locus data.

Conclusions:

  • PANZEA serves as a valuable public resource for maize genomic diversity research.
  • The database facilitates the study of interrelationships between genotype and phenotype in maize.
  • PANZEA supports advancements in maize evolutionary genomics and crop breeding.