{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,19]],"date-time":"2026-10-19T01:33:05Z","timestamp":1792373585038,"version":"4.4.0"},"reference-count":86,"publisher":"American Society for Microbiology","issue":"10","license":[{"start":{"date-parts":[[2015,5,15]],"date-time":"2015-05-15T00:00:00Z","timestamp":1431648000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["Appl Environ Microbiol"],"published-print":{"date-parts":[[2015,5,15]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:p>\n            Phosphorus is a vital nutrient for living organisms and is obtained by bacteria primarily via phosphate uptake. However, phosphate is often scarcely accessible in nature, and there is evidence that in many areas of the ocean, its concentration limits bacterial growth. Surprisingly, the phosphate starvation response has been extensively investigated in different model organisms (e.g.,\n            <jats:named-content content-type=\"genus-species\">Escherichia coli<\/jats:named-content>\n            ), but there is a dearth of studies on heterotrophic marine bacteria. In this work, we describe the response of\n            <jats:named-content content-type=\"genus-species\">Pseudovibrio<\/jats:named-content>\n            sp. strain FO-BEG1, a metabolically versatile alphaproteobacterium and potential symbiont of marine sponges, to phosphate limitation. We compared the physiology, protein expression, and secondary metabolite production under phosphate-limited conditions to those under phosphate surplus conditions. We observed that phosphate limitation had a pleiotropic effect on the physiology of the strain, triggering cell elongation, the accumulation of polyhydroxyalkanoate, the degradation of polyphosphate, and the exchange of membrane lipids in favor of phosphorus-free lipids such as sulfoquinovosyl diacylglycerols. Many proteins involved in the uptake and degradation of phospho-organic compounds were upregulated, together with subunits of the ABC transport system for phosphate. Under conditions of phosphate limitation, FO-BEG1 secreted compounds into the medium that conferred an intense yellow coloration to the cultures. Among these compounds, we identified the potent antibiotic tropodithietic acid. Finally, toxin-like proteins and other proteins likely involved in the interaction with the eukaryotic host were also upregulated. Altogether, our data suggest that phosphate limitation leads to a pronounced reorganization of FO-BEG1 physiology, involving phosphorus, carbon, and sulfur metabolism; cell morphology; secondary metabolite production; and the expression of virulence-related genes.\n          <\/jats:p>","DOI":"10.1128\/aem.04167-14","type":"journal-article","created":{"date-parts":[[2015,3,14]],"date-time":"2015-03-14T02:25:41Z","timestamp":1426299941000},"page":"3518-3528","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":72,"title":["Phosphate Limitation Induces Drastic Physiological Changes, Virulence-Related Gene Expression, and Secondary Metabolite Production in Pseudovibrio sp. Strain FO-BEG1"],"prefix":"10.1128","volume":"81","author":[{"given":"Stefano","family":"Romano","sequence":"first","affiliation":[{"name":"Max Planck Institute for Marine Microbiology, Department of Microbiology, Bremen, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Heide N.","family":"Schulz-Vogt","sequence":"additional","affiliation":[{"name":"Leibniz Institute for Baltic Sea Research Warnem\u00fcnde (IOW), Section Biological Oceanography, Rostock, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jos\u00e9 M.","family":"Gonz\u00e1lez","sequence":"additional","affiliation":[{"name":"University of La Laguna, Department of Microbiology, Tenerife, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vladimir","family":"Bondarev","sequence":"additional","affiliation":[{"name":"Max Planck Institute for Marine Microbiology, Department of Microbiology, Bremen, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"235","reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.5670\/oceanog.2007.54"},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.1126\/science.1112632"},{"key":"e_1_3_3_4_2","doi-asserted-by":"publisher","DOI":"10.1126\/science.289.5480.759"},{"key":"e_1_3_3_5_2","doi-asserted-by":"publisher","DOI":"10.3354\/ame013141"},{"key":"e_1_3_3_6_2","doi-asserted-by":"publisher","DOI":"10.4319\/lo.1997.42.4.0730"},{"key":"e_1_3_3_7_2","doi-asserted-by":"publisher","DOI":"10.1021\/cr0503613"},{"key":"e_1_3_3_8_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.mib.2010.01.014"},{"key":"e_1_3_3_9_2","doi-asserted-by":"publisher","DOI":"10.1128\/jb.178.15.4344-4366.1996"},{"key":"e_1_3_3_10_2","doi-asserted-by":"publisher","DOI":"10.1128\/JB.186.16.5197-5201.2004"},{"key":"e_1_3_3_11_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1574-6976.2008.00101.x"},{"key":"e_1_3_3_12_2","first-page":"1357","volume-title":"Escherichia coli and Salmonella: cellular and molecular biology","author":"Wanner BL","year":"1996","unstructured":"Wanner BL. 1996. 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