Swarming ring patterns in bacterial colonies exposed to ultraviolet radiation
We report a novel morphological transition in a Bacillus subtilis colony initially growing under ambient conditions, after ultraviolet radiation exposure. The bacteria in the central regions of the colonies are observed to migrate towards the colony edge forming a ring during uniform spatial exposur...
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| Veröffentlicht in: | Physical review letters 2001-10, Vol.87 (15), p.158102-158102/4, Article 158102 |
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| container_end_page | 158102/4 |
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| container_issue | 15 |
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| container_title | Physical review letters |
| container_volume | 87 |
| creator | Delprato, A M Samadani, A Kudrolli, A Tsimring, L S |
| description | We report a novel morphological transition in a Bacillus subtilis colony initially growing under ambient conditions, after ultraviolet radiation exposure. The bacteria in the central regions of the colonies are observed to migrate towards the colony edge forming a ring during uniform spatial exposure. When the radiation is switched off, the colonies were observed to grow both inward into the evacuated regions as well as outward indicating that the pattern is not formed due to depletion of nutrients at the center of the colony. We also propose a reaction-diffusion model in which waste-limited chemotaxis initiated by the UV radiation leads to the observed phenomenology. |
| doi_str_mv | 10.1103/PhysRevLett.87.158102 |
| format | Article |
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The bacteria in the central regions of the colonies are observed to migrate towards the colony edge forming a ring during uniform spatial exposure. When the radiation is switched off, the colonies were observed to grow both inward into the evacuated regions as well as outward indicating that the pattern is not formed due to depletion of nutrients at the center of the colony. We also propose a reaction-diffusion model in which waste-limited chemotaxis initiated by the UV radiation leads to the observed phenomenology.</description><identifier>ISSN: 0031-9007</identifier><identifier>EISSN: 1079-7114</identifier><identifier>DOI: 10.1103/PhysRevLett.87.158102</identifier><identifier>PMID: 11580727</identifier><language>eng</language><publisher>United States: The American Physical Society</publisher><subject>BACILLUS SUBTILIS ; Bacillus subtilis - growth & development ; Bacillus subtilis - physiology ; Bacillus subtilis - radiation effects ; BACTERIA ; BASIC BIOLOGICAL SCIENCES ; Diffusion ; Growth kinetics ; Mathematical models ; Morphology ; Movement - radiation effects ; NUTRIENTS ; Phase transitions ; POPULATIONS ; Radiation effects ; RADIATIONS ; ULTRAVIOLET RADIATION ; Ultraviolet Rays ; Wastes</subject><ispartof>Physical review letters, 2001-10, Vol.87 (15), p.158102-158102/4, Article 158102</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c506t-72c56996293ebc838a3d669a5caf225cc2bc5e1308dd56db2f372528cc1d64083</citedby><cites>FETCH-LOGICAL-c506t-72c56996293ebc838a3d669a5caf225cc2bc5e1308dd56db2f372528cc1d64083</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,777,781,882,2863,2864,27905,27906</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/11580727$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/biblio/40277708$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Delprato, A M</creatorcontrib><creatorcontrib>Samadani, A</creatorcontrib><creatorcontrib>Kudrolli, A</creatorcontrib><creatorcontrib>Tsimring, L S</creatorcontrib><title>Swarming ring patterns in bacterial colonies exposed to ultraviolet radiation</title><title>Physical review letters</title><addtitle>Phys Rev Lett</addtitle><description>We report a novel morphological transition in a Bacillus subtilis colony initially growing under ambient conditions, after ultraviolet radiation exposure. The bacteria in the central regions of the colonies are observed to migrate towards the colony edge forming a ring during uniform spatial exposure. When the radiation is switched off, the colonies were observed to grow both inward into the evacuated regions as well as outward indicating that the pattern is not formed due to depletion of nutrients at the center of the colony. We also propose a reaction-diffusion model in which waste-limited chemotaxis initiated by the UV radiation leads to the observed phenomenology.</description><subject>BACILLUS SUBTILIS</subject><subject>Bacillus subtilis - growth & development</subject><subject>Bacillus subtilis - physiology</subject><subject>Bacillus subtilis - radiation effects</subject><subject>BACTERIA</subject><subject>BASIC BIOLOGICAL SCIENCES</subject><subject>Diffusion</subject><subject>Growth kinetics</subject><subject>Mathematical models</subject><subject>Morphology</subject><subject>Movement - radiation effects</subject><subject>NUTRIENTS</subject><subject>Phase transitions</subject><subject>POPULATIONS</subject><subject>Radiation effects</subject><subject>RADIATIONS</subject><subject>ULTRAVIOLET RADIATION</subject><subject>Ultraviolet Rays</subject><subject>Wastes</subject><issn>0031-9007</issn><issn>1079-7114</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkU1PGzEQhi0EggD9Ca1WQuptw9hef-yxQhQqpQK19Gx5ZyeNq8062A4f_56kiURvvcw7h-edOTyMfeQw5Rzk5f3iNf-gpxmVMrVmypXlIA7YhINpa8N5c8gmAJLXLYA5Yac5_wEALrQ9Zid8g4MRZsK-_3z2aRnG31XajpUvhdKYqzBWncfNHvxQYRziGChX9LKKmfqqxGo9lOSfQhyoVMn3wZcQx3N2NPdDpg_7PGO_vl4_XN3Ws7ubb1dfZjUq0KU2ApVuWy1aSR1aab3stW69Qj8XQiGKDhVxCbbvle47MZdGKGERea8bsPKMXezuxlyCyxgK4QLjOBIW14AwxvylPu-oVYqPa8rFLUNGGgY_UlxnZ7gAZXTzX1DwRom2ERtQ7UBMMedEc7dKYenTq-PgtlrcP1qcNW6nZdP7tH-w7pbUv7f2HuQbJ_OL3g</recordid><startdate>20011008</startdate><enddate>20011008</enddate><creator>Delprato, A M</creator><creator>Samadani, A</creator><creator>Kudrolli, A</creator><creator>Tsimring, L S</creator><general>The American Physical Society</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>OTOTI</scope></search><sort><creationdate>20011008</creationdate><title>Swarming ring patterns in bacterial colonies exposed to ultraviolet radiation</title><author>Delprato, A M ; Samadani, A ; Kudrolli, A ; Tsimring, L S</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c506t-72c56996293ebc838a3d669a5caf225cc2bc5e1308dd56db2f372528cc1d64083</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>BACILLUS SUBTILIS</topic><topic>Bacillus subtilis - growth & development</topic><topic>Bacillus subtilis - physiology</topic><topic>Bacillus subtilis - radiation effects</topic><topic>BACTERIA</topic><topic>BASIC BIOLOGICAL SCIENCES</topic><topic>Diffusion</topic><topic>Growth kinetics</topic><topic>Mathematical models</topic><topic>Morphology</topic><topic>Movement - radiation effects</topic><topic>NUTRIENTS</topic><topic>Phase transitions</topic><topic>POPULATIONS</topic><topic>Radiation effects</topic><topic>RADIATIONS</topic><topic>ULTRAVIOLET RADIATION</topic><topic>Ultraviolet Rays</topic><topic>Wastes</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Delprato, A M</creatorcontrib><creatorcontrib>Samadani, A</creatorcontrib><creatorcontrib>Kudrolli, A</creatorcontrib><creatorcontrib>Tsimring, L S</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>OSTI.GOV</collection><jtitle>Physical review letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Delprato, A M</au><au>Samadani, A</au><au>Kudrolli, A</au><au>Tsimring, L S</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Swarming ring patterns in bacterial colonies exposed to ultraviolet radiation</atitle><jtitle>Physical review letters</jtitle><addtitle>Phys Rev Lett</addtitle><date>2001-10-08</date><risdate>2001</risdate><volume>87</volume><issue>15</issue><spage>158102</spage><epage>158102/4</epage><pages>158102-158102/4</pages><artnum>158102</artnum><issn>0031-9007</issn><eissn>1079-7114</eissn><abstract>We report a novel morphological transition in a Bacillus subtilis colony initially growing under ambient conditions, after ultraviolet radiation exposure. 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| fulltext | fulltext |
| identifier | ISSN: 0031-9007 |
| ispartof | Physical review letters, 2001-10, Vol.87 (15), p.158102-158102/4, Article 158102 |
| issn | 0031-9007 1079-7114 |
| language | eng |
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| source | MEDLINE; American Physical Society Journals |
| subjects | BACILLUS SUBTILIS Bacillus subtilis - growth & development Bacillus subtilis - physiology Bacillus subtilis - radiation effects BACTERIA BASIC BIOLOGICAL SCIENCES Diffusion Growth kinetics Mathematical models Morphology Movement - radiation effects NUTRIENTS Phase transitions POPULATIONS Radiation effects RADIATIONS ULTRAVIOLET RADIATION Ultraviolet Rays Wastes |
| title | Swarming ring patterns in bacterial colonies exposed to ultraviolet radiation |
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