Fundamental principles in bacterial physiology-history, recent progress, and the future with focus on cell size control: A review

Suckjoon Jun, Fangwei Si, Rami Pugatch, Matthew Scott

Research output: Contribution to journalReview articlepeer-review

50 Scopus citations

Abstract

Bacterial physiology is a branch of biology that aims to understand overarching principles of cellular reproduction. Many important issues in bacterial physiology are inherently quantitative, and major contributors to the field have often brought together tools and ways of thinking from multiple disciplines. This article presents a comprehensive overview of major ideas and approaches developed since the early 20th century for anyone who is interested in the fundamental problems in bacterial physiology. This article is divided into two parts. In the first part (sections 1-3), we review the first 'golden era' of bacterial physiology from the 1940s to early 1970s and provide a complete list of major references from that period. In the second part (sections 4-7), we explain how the pioneering work from the first golden era has influenced various rediscoveries of general quantitative principles and significant further development in modern bacterial physiology. Specifically, section 4 presents the history and current progress of the 'adder' principle of cell size homeostasis. Section 5 discusses the implications of coarse-graining the cellular protein composition, and how the coarse-grained proteome 'sectors' re-balance under different growth conditions. Section 6 focuses on physiological invariants, and explains how they are the key to understanding the coordination between growth and the cell cycle underlying cell size control in steady-state growth. Section 7 overviews how the temporal organization of all the internal processes enables balanced growth. In the final section 8, we conclude by discussing the remaining challenges for the future in the field.

Original languageEnglish
Article number056601
JournalReports on Progress in Physics
Volume81
Issue number5
DOIs
StatePublished - 28 Feb 2018

Keywords

  • bacterial physiology
  • cell size control
  • quantitative biology

ASJC Scopus subject areas

  • Physics and Astronomy (all)

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