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Glutamine Flux Imaging Using Genetically Encoded Sensors
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Nutrient-sensing mechanisms across evolution.

Lynne Chantranupong1, Rachel L Wolfson1, David M Sabatini1

  • 1Whitehead Institute for Biomedical Research and Massachusetts Institute of Technology, Department of Biology, 9 Cambridge Center, Cambridge, MA 02142, USA; Howard Hughes Medical Institute, Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; Koch Institute for Integrative Cancer Research, 77 Massachusetts Avenue, Cambridge, MA 02139, USA.

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Summary
This summary is machine-generated.

Organisms sense environmental nutrients to coordinate growth. This review explores diverse nutrient-sensing mechanisms and their adaptation to multicellular life.

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Area of Science:

  • Cellular Biology
  • Biochemistry
  • Evolutionary Biology

Background:

  • Organisms require nutrient sensing to align growth and development with environmental availability.
  • Nutrient availability is a critical factor influencing cellular and organismal processes.

Purpose of the Study:

  • To review diverse nutrient-sensing mechanisms across various organisms.
  • To explore how these mechanisms are tailored to species-specific nutrient needs.
  • To examine the evolutionary adaptation of nutrient sensing with the rise of multicellularity.

Main Methods:

  • Literature review of existing research on nutrient-sensing pathways.
  • Comparative analysis of nutrient-sensing mechanisms in different species.
  • Discussion of evolutionary trajectories and adaptations.

Main Results:

  • Nutrient-sensing mechanisms are highly diverse and species-specific.
  • These systems reflect unique metabolic requirements and ecological niches.
  • Adaptations in nutrient sensing were crucial for the evolution of complex multicellular organisms.

Conclusions:

  • Nutrient sensing is a fundamental biological process essential for life.
  • The evolution of multicellularity necessitated sophisticated nutrient-sensing strategies.
  • Understanding these mechanisms provides insights into organismal adaptation and development.