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Related Concept Videos

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...
Ecological Niches02:02

Ecological Niches

All organisms have a position within an ecosystem. The complete set of living and nonliving factors—including food resources, climate, and terrain—that define the position of a given organism are collectively referred to as the organism’s ecological niche.Multiple species cannot occupy the exact same niche within their habitat. If the niches of two or more species overlap to a large extent, the competitive exclusion principle dictates that one species will outcompete the other, forcing it to...
Genetics of Speciation02:16

Genetics of Speciation

Speciation is the evolutionary process resulting in the formation of new, distinct species—groups of reproductively isolated populations.The genetics of speciation involves the different traits or isolating mechanisms preventing gene exchange, leading to reproductive isolation. Reproductive isolation can be due to reproductive barriers that have effects either before or after the formation of a zygote. Pre-zygotic mechanisms prevent fertilization from occurring, and post-zygotic mechanisms...
Ecological Niche01:12

Ecological Niche

Microorganisms occupy diverse habitats and perform essential ecological functions that are defined by their ecological niches. A microbial niche encompasses the organism’s mode of survival, including resource acquisition, reproduction, and interactions with other species in its environment. This concept is vital for understanding microbial community dynamics, biogeography, and ecosystem functionality.The fundamental niche of a microorganism includes the full spectrum of environmental...
Background and Environment Affect Phenotype02:27

Background and Environment Affect Phenotype

Although the genetic makeup of an organism plays a major role in determining the phenotype, there are also several environmental factors, such as temperature, oxygen availability, presence of mutagens, that can alter an organism’s phenotype.
An example of how genetic background affects phenotype can be seen in horses. The Extension gene in horses is responsible for their coat color. A wild-type gene (EE) produces black pigment in the coat, while a mutant gene (ee) produces red pigment. A...
Human Genetics01:28

Human Genetics

Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
The complex relationship between genetics and psychology is observable through common biological components such...

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Heuristic Mining of Hierarchical Genotypes and Accessory Genome Loci in Bacterial Populations
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Genomics in the ecological arena.

Luisa Orsini1, Ellen Decaestecker, Luc De Meester

  • 1Laboratory of Aquatic Ecology and Evolutionary Biology, , K.U. Leuven, Ch. Deberiotstraat 32, 3000 Leuven, Belgium. luisa.orsini@bio.kuleuven.be

Biology Letters
|August 13, 2010
PubMed
Summary
This summary is machine-generated.

The waterflea Daphnia is becoming a key model for environmental genomics research. New genomic tools reveal how Daphnia responds to environmental challenges, advancing ecological and evolutionary studies.

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Area of Science:

  • Environmental genomics
  • Aquatic ecology
  • Toxicology

Background:

  • Daphnia has a long history as a model organism in ecology, evolution, and toxicology.
  • A large scientific community supports Daphnia research.
  • Recent advances in genomics and transcriptomics are driving its emergence in environmental genomics.

Framework:

  • The Daphnia Genomics Consortium (DGC) supports research in environmental genomics.
  • DGC 2010 meeting showcased cutting-edge research on Daphnia.
  • The meeting highlighted the application of genomic tools to study environmental responses.

Implementation:

  • Studies presented at DGC 2010 utilized advanced genomic and transcriptomic tools.
  • Research focused on understanding the mechanisms of Daphnia's response to environmental stressors.
  • Elegant studies demonstrated the power of new technologies in ecological research.

Implications:

  • Daphnia is rapidly developing as a model system for environmental genomics.
  • The DGC 2010 meeting exemplifies new trends in ecology and evolution.
  • The findings suggest readiness for applying genomic tools to non-model organisms in environmental studies.