Literature DB >> 11466297

Autoamplification of a two-component regulatory system results in "learning" behavior.

S M Hoffer1, H V Westerhoff, K J Hellingwerf, P W Postma, J Tommassen.   

Abstract

We have tested the hypothesis that the autoamplification of two-component regulatory systems results in "learning" behavior, i.e., that bacteria respond faster or more extensively to a signal when a similar signal has been perceived in the past. Indeed, the induction of alkaline phosphatase activity upon phosphate limitation was faster if the cultures had been limited for phosphate previously, and this faster response correlated with the autoamplification of the cognate two-component system.

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Year:  2001        PMID： 11466297      PMCID： PMC99548          DOI： 10.1128/JB.183.16.4914-4917.2001

Source DB:  PubMed          Journal:  J Bacteriol        ISSN： 0021-9193            Impact factor:   3.490


  23 in total

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Authors:  T L Raivio; D L Popkin; T J Silhavy
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Review 2.  Molecular signals in the interactions between plants and microbes.

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Review 3.  Communication modules in bacterial signaling proteins.

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4.  Nucleotide sequence of the ugp genes of Escherichia coli K-12: homology to the maltose system.

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5.  Learning and memory in the immune response.

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Review 6.  Signal transduction in bacteria: phospho-neural network(s) in Escherichia coli?

Authors:  K J Hellingwerf; P W Postma; J Tommassen; H V Westerhoff
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Journal:  J Mol Biol       Date:  1983-08-15       Impact factor: 5.469

8.  Analysis of regulation of phoB expression using a phoB-cat fusion.

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Journal:  J Bacteriol       Date:  1983-11       Impact factor: 3.490

9.  Transcriptional autoregulation of the Salmonella typhimurium phoPQ operon.

Authors:  F C Soncini; E G Véscovi; E A Groisman
Journal:  J Bacteriol       Date:  1995-08       Impact factor: 3.490

10.  Signal transduction in the phosphate regulon of Escherichia coli involves phosphotransfer between PhoR and PhoB proteins.

Authors:  K Makino; H Shinagawa; M Amemura; T Kawamoto; M Yamada; A Nakata
Journal:  J Mol Biol       Date:  1989-12-05       Impact factor: 5.469
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  33 in total

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6.  Counterbalancing Regulation in Response Memory of a Positively Autoregulated Two-Component System.

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9.  Employment of a promoter-swapping technique shows that PhoU modulates the activity of the PstSCAB2 ABC transporter in Escherichia coli.

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10.  Molecular characterization of the Mg2+-responsive PhoP-PhoQ regulon in Salmonella enterica.

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Journal:  J Bacteriol       Date:  2003-11       Impact factor: 3.490
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