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Related Concept Videos

Evolutionary Relationships through Genome Comparisons02:54

Evolutionary Relationships through Genome Comparisons

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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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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...
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The genomes of eukaryotes are punctuated by long stretches of sequence which do not code for proteins or RNAs. Although some of these regions do contain crucial regulatory sequences, the vast majority of this DNA serves no known function. Typically, these regions of the genome are the ones in which the fastest change, in evolutionary terms, is observed, because there is typically little to no selection pressure acting on these regions to preserve their sequences.
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Annotation of Plant Gene Function via Combined Genomics, Metabolomics and Informatics
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Conserving Evolutionary Potential: Combining Landscape Genomics with Established Methods to Inform Plant

Sally N Aitken1, Rebecca Jordan2, Hayley R Tumas1

  • 1Department of Forest and Conservation Sciences, University of British Columbia, Vancouver, Canada; email: sally.aitken@ubc.ca, hayley.tumas@ubc.ca.

Annual Review of Plant Biology
|April 10, 2024
PubMed
Summary
This summary is machine-generated.

Conserving evolutionary potential in wild plants is key for adaptation. Landscape genomics offers new insights into genetic diversity and local adaptation to guide conservation efforts for species persistence.

Keywords:
climate changeconservation strategiesdemographygenomic offsetgenotype-environment associationlocal adaptation

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Area of Science:

  • Ecology and Evolutionary Biology
  • Conservation Genetics

Background:

  • Biodiversity conservation necessitates maintaining the evolutionary potential of wild populations to adapt to environmental changes.
  • Understanding genetic diversity and evolutionary dynamics is crucial for effective conservation strategies.
  • Emerging landscape genomic methods offer novel insights into plant adaptation and persistence.

Purpose of the Study:

  • To review how landscape genomic methods can inform plant conservation programs.
  • To highlight the role of genetic diversity and evolutionary dynamics in enhancing adaptability under environmental change.
  • To integrate landscape genomics with other approaches for comprehensive conservation insights.

Main Methods:

  • Review of landscape genomic approaches and their application in plant conservation.
  • Integration of landscape genomics with population genomics and common garden studies.
  • Assessment of genomic variation in relation to environmental factors to understand local adaptation.

Main Results:

  • Landscape genomics provides insights into local adaptation and its environmental drivers in wild plants.
  • These methods complement traditional approaches for studying adaptive variation, population structure, gene flow, and demography.
  • The integration of various approaches informs critical conservation actions like genetic rescue and assisted gene flow.

Conclusions:

  • Landscape genomic approaches are vital for understanding and conserving the evolutionary potential of wild plant populations.
  • Active engagement of conservation practitioners in research and monitoring is essential for maximizing the impact of these studies.
  • Informed conservation decisions based on evolutionary dynamics will enhance species adaptability and persistence in a changing environment.