Cited by 149Bacterial Genetics and BiotechnologyMicrobial Metabolic Engineering and BioproductionGene Regulatory Network Analysis

Physiologically relevant small phosphodonors link metabolism to signal transduction

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Wolfe, Alan J·2010·Current Opinion in Microbiology

Abstract

Recent reports support the long-standing hypothesis that acetyl phosphate, a physiologically relevant small molecule, can serve as a phosphoryl donor to a subset of two-component response regulators that regulate diverse cellular processes. Since acetyl phosphate is a central metabolite, this ability would link nutritional status to global signaling. This review will first introduce acetyl phosphate and its pathway. It will then summarize the most compelling evidence supporting the hypothesis and list predicted properties of an acetyl phosphate-sensitive pathway. Next, it will describe emerging evidence that acetyl phosphate and/or its pathway can influence diverse cellular processes across a broad spectrum of bacteria. Finally, the review will explore the possibility that other metabolites can function in a capacity similar to acetyl phosphate.

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Crossref · 10.1016/j.mib.2010.01.002

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  • ATP is universal across lineages but is not the sole energy currency within the metabolism of individual cells.

    “However, while ATP is universal across lineages, it is not the sole energy currency within the metabolism of individual cells by any means [80].”

    From Early bioenergetic evolution (2013) · cites this paper as [80]

    The Introduction says that E. coli cells maintain acetyl phosphate as an energy-storage molecule and that its bond stores more energy than ATP, supporting the point that ATP is not the only cellular energy carrier. The paper does not establish that ATP is universal across lineages; its discussion here concerns bacterial examples. No page number is available in our copy. (LLM, conf=0.84)

    Experimental — accuracy not yet measured
  • In many microbes, acetyl-CoA is enzymatically cleaved via phosphorolysis to yield acetyl phosphate.

    “In a plethora of microbes, acetyl-CoA is enzymatically cleaved via phosphorolysis to yield acetyl phosphate [79,80], which, with its high free energy of hydrolysis (ΔG°′) of –43 kJ mol−1, can phosphorylate any number of substrates, including ADP to generate ATP, with a free energy of hydrolysis (ΔG°′) of –31 kJ mol−1.”

    From Early bioenergetic evolution (2013) · cites this paper as [80]

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Authors
Wolfe, A. J.
Affiliations
Loyola University Chicago (US)
Corresponding author
Wolfe, Alan J
Venue
Current Opinion in Microbiology
Publisher
Elsevier BV
Published
2010-04
Volume
13
Issue
2
Pages
204-209
ISSN
1369-5274 (ISSN-L)
OpenAlex
W2079720061
Cited by
149
References
53
Citations by year
2026: 7 · 2025: 9 · 2024: 9 · 2023: 3 · 2022: 7 · 2021: 7 · 2020: 7 · 2019: 8 · 2018: 12 · 2017: 5 · 2016: 12 · 2015: 12 · 2014: 11 · 2013: 11 · 2012: 8
FWCI
1.29
Type
journal article
Language
en
Open access
Locations
  • Current Opinion in Microbiology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institute of General Medical Sciences (GM066130, R01GM066130)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Bacterial Genetics and Biotechnology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Microbial Metabolic Engineering and Bioproduction
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gene Regulatory Network Analysis
Keywords
acetyl phosphate, two-component response regulator, signal transduction, bacterial metabolism, metabolite signaling, nutrient sensing
MeSH terms
Bacteria, Bacterial Infections, Bacterial Proteins, Humans, Organophosphates, Phosphorylation, Virulence, Signal Transduction, Gene Expression Regulation, Bacterial

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