Long term starvation of a marine bacterium,<i>Alteromonas denitrificans</i>, isolated from a Norwegian fjord

Nissen, Hilde

doi:10.1111/j.1574-6968.1987.tb02353.x

Cited by 23 publications

(5 citation statements)

References 44 publications

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“…Many studies have shown that opportunistic, low abundance taxa bloom under increasing concentrations of organic nutrients (Cottrell and Kirchman, ; Eilers et al ., ; McCarren et al ., ; Romera‐Castillo et al ., ; Tada et al ., ; Nelson and Carlson, ). These opportunistic taxa exhibit a ‘feast or famine’ lifestyle (Nissen, ; Flärdh et al ., ; Srinivasan and Kjelleberg, ), and are often referred to as copiotrophs (Lauro et al ., ; Yooseph et al ., ). We suggest that oligotrophic conditions at Station ALOHA were likely responsible for the low abundance and activity of copiotrophs like members of the OM60 clade, and that exposure to elevated concentrations of organic nutrients allowed this population to gradually increase in numbers, such that their transcriptional responses became more apparent in the latter stages of the incubation.…”

Section: Discussionmentioning

confidence: 99%

Distinct dissolved organic matter sources induce rapid transcriptional responses in coexisting populations of Prochlorococcus, Pelagibacter and the OM60 clade

Sharma

Becker

Ottesen

et al. 2013

Environmental Microbiology

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23A considerable fraction of the Earth's organic carbon exists in dissolved form in seawater. 24To investigate the roles of planktonic marine microbes in the biogeochemical cycling of 25 this dissolved organic matter (DOM), we performed controlled seawater incubation 26 experiments and followed the responses of an oligotrophic surface water microbial 27 assemblage to perturbations with DOM derived from an axenic culture of 28Prochlorococcus, or high-molecular weight DOM concentrated from nearby surface 29waters. The rapid transcriptional responses of both Prochlorococcus and Pelagibacter 30 populations suggested the utilization of organic nitrogen compounds common to both 31 DOM treatments. Along with these responses, both populations demonstrated 32 decreases in gene transcripts associated with nitrogen stress, including those involved in 33 ammonium acquisition. In contrast, responses from low abundance organisms of the 34 NOR5/OM60 gammaproteobacteria were observed later in the experiment, and 35 included elevated levels of gene transcripts associated with polysaccharide uptake and 36 oxidation. In total, these results suggest that numerically dominant oligotrophic 37 microbes rapidly acquire nitrogen from commonly available organic sources, and also 38 point to an important role for carbohydrates found within the DOM pool for sustaining 39 the less abundant microorganisms in these oligotrophic systems. 40 41

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Section: Discussionmentioning

confidence: 99%

Distinct dissolved organic matter sources induce rapid transcriptional responses in coexisting populations of Prochlorococcus, Pelagibacter and the OM60 clade

Sharma

Becker

Ottesen

et al. 2013

Environmental Microbiology

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“…Prolonged starvation also includes a series of cellular alterations [6]. As demonstrated by relatively short term starvation studies of other bacterial strains (this volume) the starvation survival process involves the development of stress resistant cells.…”

Section: The Starvation/survival Conceptmentioning

confidence: 99%

Starvation survival of the fish pathogenic bacteria Vibrio anguillarum and Vibrio salmonicida in marine environments

Enger¹

1990

FEMS Microbiology Letters

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The possible fate in sea water of the two fish pathogenic bacteria Vibrio anguillarum and Vibrio salmonicida is discussed on the basis of microcosm experiments with these and other copiotrophic bacteria. Recent articles dealing with the survival of fish pathogens are reviewed, and the reported survival capacities are discussed in relation to ecological mechanisms, such as death, and predation, leading to the removal of bacteria from the water column.

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“…The detection of Pseudoalteromonas/Alteromonas in the recirculation system may also be explained by their extreme long-term starvation capacity that enable them to adapt to nutrient depletion in a state termed as starvation-survival (Cappello et al, 2008;Givskov et al, 1994;Nissen, 1987;Pernthaler et al, 2001). During the period of conditioning only ammonium and no carbon-based substrate were added to the recirculation unit.…”

Section: Accepted M Manuscriptmentioning

confidence: 99%

Water quality and microbial community structure in juvenile Atlantic cod (Gadus morhua L.) cultures

et al. 2011

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Havforskningsinstituttets institusjonelle arkiv Brage IMR - Institutional repository of the Institute of Marine Research b r a g e i m rDette er forfatters siste versjon av den fagfellevurderte artikkelen, vanligvis omtalt som postprint. I Brage IMR er denne artikkelen ikke publisert med forlagets layout fordi forlaget ikke tillater dette. Du finner lenke til forlagets versjon i Brage-posten. Det anbefales at referanser til artikkelen hentes fra forlagets side. Ved lenking til artikkelen skal det lenkes til post i Brage IMR, ikke direkte til pdf-fil.This is the author's last version of the article after peer review and is not the publisher's version, usually referred to as postprint. You will find a link to the publisher's version in Brage IMR. It is recommended that you obtain the references from the publisher's site.Linking to the article should be to the Brage-record, not This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. A C C E P T E D M A N U S C R I P T ACCEPTED MANUSCRIPT AbstractThe effect of water treatment and flow rate on young Atlantic cod juveniles was investigated in a 36-days experiment. Four different flow rates (10, 20, 40, and 70 times the effective tank volume per day) were set up in triplicate tanks within each of three rigs with recirculated, UV-radiated, and untreated water, respectively. Each of the 36 tanks was stocked with 200 weaned cod juveniles at a mean weight of 0.048g. Fish mortality was recorded daily in all tanks, and growth (wet weight) was determined at the end of the experiment. The microflora in the rearing water was investigated by means of PCR-DGGE and flow cytometry. Observed mortality was significantly higher at low flow rates while otherwise unexplained mortality (presumed to be due to cannibalism) was lowest in the recirculation system. No correlation was found between survival and growth. Growth was significantly affected by both water exchange rate and treatment, as the juveniles from high flow rates and the UV-treatment showed elevated growth rates. Both growth and survival scaled in accordance with metabolic Runar Thyrhaug passed away January 7, 2011. The authors wish to dedicate this paper to his memory. * Corresponding author. Tel.: +47 56182262; fax: +47 56182222. E-mail address: Terje.van.der.Meeren@imr.no Deceased A C C E P T E D M A N U S C R I P T ACCEPTED MANUSCRIPT2 factors like oxygen saturation and unionized ammonia. Bacterial concentrations increased in all tanks and treatment from the beginning of the experiment to the end. The UV-treated and untreated water started at typical seawater concentrations (0.5-1 x10 6 mL -1 ) and increased five t...

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Long term starvation of a marine bacterium,Alteromonas denitrificans, isolated from a Norwegian fjord

Cited by 23 publications

References 44 publications

Distinct dissolved organic matter sources induce rapid transcriptional responses in coexisting populations of Prochlorococcus, Pelagibacter and the OM60 clade

Distinct dissolved organic matter sources induce rapid transcriptional responses in coexisting populations of Prochlorococcus, Pelagibacter and the OM60 clade

Starvation survival of the fish pathogenic bacteria Vibrio anguillarum and Vibrio salmonicida in marine environments

Water quality and microbial community structure in juvenile Atlantic cod (Gadus morhua L.) cultures

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