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How do non-differentiating bacteria adapt to starvation? (1993)

Kjelleberg, Staffan ; Albertson, Nan ; Flärdh, Klas ; [et al.]

Springer

Antonie van Leeuwenhoek 63 (1993), S. 333-341

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ISSN: 1572-9699

Keywords: survival ; starvation ; stress ; Vibrio ; carbon ; nitrogen ; phosphorus ; protein synthesis ; carbon starvation stimulon

Source: Springer Online Journal Archives 1860-2000

Topics: Biology

Notes: Abstract Non-differentiating bacteria adapt to starvation induced growth arrest by a complex turn-on/turn-off pattern of protein synthesis. This response shows distinct similarities with those of spore formation in differentiating organisms. A substantial amount of information on the non-growth biology of non-differentiating bacteria can be derived from studies onVibrio strains. One important result is that carbon rather than nitrogen or phosphorus starvation leads to the development of a starvation and stress resistant cell in these organisms. Hence, we have attempted to characterize the carbon starvation stimulon. By the use of two-dimensional gel electrophoresis of pulse-labelled cells and transposon mutagenesis, using reporter gene constructs, the identity and function of some members of the carbon starvation stimulon have been elucidated. Moreover, regulatory genes of the starvation response have been identified with these techniques. Current studies primarily address the identity and function of these genes. The role of transcript modification and stability for both long term persistence during starvation as well as the efficient recovery of cells which occurs upon nutrient addition is also addressed. It is suggested that an understanding of the functionality of the translational machinery is essential for the understanding of these adaptive pathways. This contribution also discusses the diversity of the differentiation-like response to starvation in different bacteria and whether a general starvation induced programme exists.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00871228

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Global analysis of physiological responses in marine bacteria (1997)

Östling, Jörgen ; McDougald, Diane ; Marouga, Rita ; [et al.]

Weinheim : Wiley-Blackwell

Electrophoresis 18 (1997), S. 1441-1450

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ISSN: 0173-0835

Keywords: Two-dimensional polyacrylamide gel electrophoresis ; Adaptation response ; Starvation ; Outgrowth ; Recovery ; Viable but nonculturable ; Vibrio ; Chemistry ; Biochemistry and Biotechnology

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Biology , Chemistry and Pharmacology

Notes: In this paper, we present results from studies on marine Vibrio species, in which complex adaptive responses have been investigated. The results of two-dimensional polyacrylamide gel electrophoresis serve to illustrate the usefulness of a global approach, and how it can be combined with other methodologies in order to achieve an improved understanding of the means by which bacteria adapt to alterations in environmental conditions. The overall strategies described in this paper are particularly useful for studies of bacteria for which efficient genetic tools, background genotypes and in depth physiological data are not yet available.

Additional Material: 4 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/elps.1150180819

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