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Characterization of root surface and endorhizosphere pseudomonads in relation to their colonization of roots
An extensive colonization of the endorhizosphere by fluorescent pseudomonads was observed in tomato plants grown on artificial substrates. These studies reveal that a significantly higher percentage of pseudomonads obtained from the endorhizosphere (30%) reduced plant growth than those obtained from...
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Published in: | Applied and Environmental Microbiology 1990-08, Vol.56 (8), p.2462-2470 |
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container_title | Applied and Environmental Microbiology |
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creator | Peer, R. van (State University of Utrecht, Javalaan, The Netherlands) Punte, H.L.M Weger, L.A. de Schippers, B |
description | An extensive colonization of the endorhizosphere by fluorescent pseudomonads was observed in tomato plants grown on artificial substrates. These studies reveal that a significantly higher percentage of pseudomonads obtained from the endorhizosphere (30%) reduced plant growth than those obtained from the root surface (4%). Lipopolysaccharide patterns, cell envelope protein patterns, and other biochemical characteristics indicated that Pseudomonas isolates obtained from the endorhizosphere are distinct from Pseudomonas isolates obtained from the root surface. Isolates from the endorhizosphere especially were able to recolonize the endorhizosphere of both sterile and nonsterile tomato roots. The ability of the endorhizosphere isolates to colonize the endorhizosphere significantly correlated with their agglutination by tomato root agglutinin but did not correlate with chemotaxis to seed exudates of tomato. No correlation between colonization of the endorhizosphere and agglutination by root agglutinin could be demonstrated for the root surface isolates. We propose that agglutination of specific Pseudomonas strains by root agglutinin is of importance in the initial phase of adherence of bacteria to the root surface |
doi_str_mv | 10.1128/aem.56.8.2462-2470.1990 |
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These studies reveal that a significantly higher percentage of pseudomonads obtained from the endorhizosphere (30%) reduced plant growth than those obtained from the root surface (4%). Lipopolysaccharide patterns, cell envelope protein patterns, and other biochemical characteristics indicated that Pseudomonas isolates obtained from the endorhizosphere are distinct from Pseudomonas isolates obtained from the root surface. Isolates from the endorhizosphere especially were able to recolonize the endorhizosphere of both sterile and nonsterile tomato roots. The ability of the endorhizosphere isolates to colonize the endorhizosphere significantly correlated with their agglutination by tomato root agglutinin but did not correlate with chemotaxis to seed exudates of tomato. No correlation between colonization of the endorhizosphere and agglutination by root agglutinin could be demonstrated for the root surface isolates. We propose that agglutination of specific Pseudomonas strains by root agglutinin is of importance in the initial phase of adherence of bacteria to the root surface</description><identifier>ISSN: 0099-2240</identifier><identifier>EISSN: 1098-5336</identifier><identifier>DOI: 10.1128/aem.56.8.2462-2470.1990</identifier><identifier>PMID: 16348258</identifier><identifier>CODEN: AEMIDF</identifier><language>eng</language><publisher>Washington, DC: American Society for Microbiology</publisher><subject>AGGLUTININE ; AGLUTININAS ; Agronomy. Soil science and plant productions ; Biological and medical sciences ; Biotechnology ; CRECIMIENTO ; CROISSANCE ; ECOLOGIA ; ECOLOGIE ; Economic plant physiology ; Fundamental and applied biological sciences. 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These studies reveal that a significantly higher percentage of pseudomonads obtained from the endorhizosphere (30%) reduced plant growth than those obtained from the root surface (4%). Lipopolysaccharide patterns, cell envelope protein patterns, and other biochemical characteristics indicated that Pseudomonas isolates obtained from the endorhizosphere are distinct from Pseudomonas isolates obtained from the root surface. Isolates from the endorhizosphere especially were able to recolonize the endorhizosphere of both sterile and nonsterile tomato roots. The ability of the endorhizosphere isolates to colonize the endorhizosphere significantly correlated with their agglutination by tomato root agglutinin but did not correlate with chemotaxis to seed exudates of tomato. No correlation between colonization of the endorhizosphere and agglutination by root agglutinin could be demonstrated for the root surface isolates. We propose that agglutination of specific Pseudomonas strains by root agglutinin is of importance in the initial phase of adherence of bacteria to the root surface</description><subject>AGGLUTININE</subject><subject>AGLUTININAS</subject><subject>Agronomy. Soil science and plant productions</subject><subject>Biological and medical sciences</subject><subject>Biotechnology</subject><subject>CRECIMIENTO</subject><subject>CROISSANCE</subject><subject>ECOLOGIA</subject><subject>ECOLOGIE</subject><subject>Economic plant physiology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>LYCOPERSICON ESCULENTUM</subject><subject>Microorganism-Plant Interactions</subject><subject>PSEUDOMONAS</subject><subject>RACINE</subject><subject>RAICES</subject><subject>RHIZOSPHERE</subject><subject>RIZOSFERA</subject><subject>Symbiosis (nodules, symbiotic nitrogen fixation, mycorrhiza...)</subject><subject>TAXIE</subject><subject>TAXIS</subject><issn>0099-2240</issn><issn>1098-5336</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1990</creationdate><recordtype>article</recordtype><recordid>eNp9kc1u1DAUhSMEokPhBVhAWBSxyeD_2Isu0Ig_qRIL6Nq649xMjBJ7sJMi-vR4NCNKWbCyZH_n-F59VfWSkjWlTL8FnNZSrfWaCcUaJtpybwx5UK0oMbqRnKuH1YoQYxrGBDmrnuT8nRAiiNKPqzOquNBM6lU1bgZI4GZM_hZmH0Md-zrFONd5ST04rCF0NYYupsHfxrwfMGG9z7h0cYoBulz7UCccj-E51vOAPtUujjH8U5mfVo96GDM-O53n1fWH9982n5qrLx8_b95dNU4yMjedYowCbtE5t-VbxcvcnZPKgWatJKRnXUsoRa0AnOu4U4Rx7UA4g1rQjp9Xl8fe_bKdsHMY5gSj3Sc_QfplI3h7_yX4we7ijaVatMKU_JtTPsUfC-bZTj47HEcIGJdcMGmEUVKzgr7-PypVa4SSBWyPoEsx54T9n3EosQentji1UlltD07twak9OC3JF39vc5c7SSzAxQmA7GDsEwTn8x1nJGdctoV7deQGvxt--oQW8nT_28I8PzI9RAu7VHquvxoiNDeC_wbZqMKO</recordid><startdate>19900801</startdate><enddate>19900801</enddate><creator>Peer, R. van (State University of Utrecht, Javalaan, The Netherlands)</creator><creator>Punte, H.L.M</creator><creator>Weger, L.A. de</creator><creator>Schippers, B</creator><general>American Society for Microbiology</general><scope>FBQ</scope><scope>IQODW</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QL</scope><scope>7T7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>19900801</creationdate><title>Characterization of root surface and endorhizosphere pseudomonads in relation to their colonization of roots</title><author>Peer, R. van (State University of Utrecht, Javalaan, The Netherlands) ; Punte, H.L.M ; Weger, L.A. de ; Schippers, B</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c520t-d6221aebecccb3b63004dc56ca827500f2d7011e86aaccd3c60238ca4c9e841d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1990</creationdate><topic>AGGLUTININE</topic><topic>AGLUTININAS</topic><topic>Agronomy. Soil science and plant productions</topic><topic>Biological and medical sciences</topic><topic>Biotechnology</topic><topic>CRECIMIENTO</topic><topic>CROISSANCE</topic><topic>ECOLOGIA</topic><topic>ECOLOGIE</topic><topic>Economic plant physiology</topic><topic>Fundamental and applied biological sciences. 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These studies reveal that a significantly higher percentage of pseudomonads obtained from the endorhizosphere (30%) reduced plant growth than those obtained from the root surface (4%). Lipopolysaccharide patterns, cell envelope protein patterns, and other biochemical characteristics indicated that Pseudomonas isolates obtained from the endorhizosphere are distinct from Pseudomonas isolates obtained from the root surface. Isolates from the endorhizosphere especially were able to recolonize the endorhizosphere of both sterile and nonsterile tomato roots. The ability of the endorhizosphere isolates to colonize the endorhizosphere significantly correlated with their agglutination by tomato root agglutinin but did not correlate with chemotaxis to seed exudates of tomato. No correlation between colonization of the endorhizosphere and agglutination by root agglutinin could be demonstrated for the root surface isolates. 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subjects | AGGLUTININE AGLUTININAS Agronomy. Soil science and plant productions Biological and medical sciences Biotechnology CRECIMIENTO CROISSANCE ECOLOGIA ECOLOGIE Economic plant physiology Fundamental and applied biological sciences. Psychology LYCOPERSICON ESCULENTUM Microorganism-Plant Interactions PSEUDOMONAS RACINE RAICES RHIZOSPHERE RIZOSFERA Symbiosis (nodules, symbiotic nitrogen fixation, mycorrhiza...) TAXIE TAXIS |
title | Characterization of root surface and endorhizosphere pseudomonads in relation to their colonization of roots |
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