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Background and Environment Affect Phenotype02:27

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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.
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Quantifying Abdominal Pigmentation in Drosophila melanogaster
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Advances on polyphenism in insects.

Xian-Ci Xue1, Li Yu1

  • 1State Key Laboratory for Conservation and Ultilizition of Bio-Resources in Yunnan, Yunnan University, Kunming 650091, China.

Yi Chuan = Hereditas
|September 23, 2017
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Summary
This summary is machine-generated.

Polyphenism allows insects to change their appearance based on environmental cues, aiding survival and reproduction. Recent genomic studies are uncovering the molecular basis of this adaptive trait.

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Area of Science:

  • Entomology
  • Evolutionary Biology
  • Genetics

Background:

  • Polyphenism, where one genome yields multiple phenotypes influenced by environment, is crucial for insect adaptation.
  • Examples include metamorphosis, seasonal changes, and eusocial insect castes.
  • This phenomenon enhances insect survival by enabling adaptation to environmental cues for predator avoidance and reproduction.

Purpose of the Study:

  • To review the current understanding of polyphenism in insects.
  • To explore the environmental factors that induce phenotypic changes.
  • To highlight recent advancements in understanding the molecular mechanisms.

Main Methods:

  • Literature review of polyphenism studies in insects.
  • Analysis of research utilizing next-generation sequencing.
  • Examination of gene knockout and RNA interference studies.

Main Results:

  • Polyphenism is a widespread adaptive strategy in insects.
  • Environmental factors play a significant role in inducing distinct phenotypes.
  • Genomic approaches are increasingly revealing the molecular underpinnings of polyphenism.

Conclusions:

  • Polyphenism is vital for insect survival and adaptation.
  • Future research should leverage advanced genomic tools to further elucidate molecular pathways.
  • Understanding polyphenism offers insights into evolutionary processes and adaptation.