Pseudomonas putida KT2440 induces drought tolerance during fruit ripening in tomato
The current study investigated the effects of Pseudomonas putida strain KT2440 on the drought tolerance of tomato plants during fruit maturation. Plants at the ripening stage of the mature-green were not watered for 20 days to promote drought stress. Concentrations of photosynthetic pigments were de...
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| Veröffentlicht in: | Bioagro 2022-01, Vol.34 (2), p.139-150 |
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| creator | Saglam, Aykut Demiralay, Mehmet Nigar Colak, Dilsat Pehlivan Gedik, Necla Basok, Oguz Kadioglu, Asım |
| description | The current study investigated the effects of Pseudomonas putida strain KT2440 on the drought tolerance of tomato plants during fruit maturation. Plants at the ripening stage of the mature-green were not watered for 20 days to promote drought stress. Concentrations of photosynthetic pigments were determined. Bacteria-soaked tomato plants (BSS) had higher levels of chlorophyll and carotenoids than non-soaked plants (DWS) under stress conditions. Compared to the DWS, stomatal conductance, lipid peroxidation, and hydrogen peroxide content in the BSS plants decreased under drought stress. The ascorbate peroxidase (APX), catalase (CAT), and peroxidase (POD) activities increased in BSS plants compared to DWS under drought stress. Furthermore, the number and weight of fruits in both DWS and BSS plants was reduced by the stress, but the reduction in BSS plants was lower than in DWS plants. These results showed that bacteria treatment conferred tolerance to drought stress in tomato plants by reducing the peroxidation extent of polar lipids (PLs), increasing photosynthetic pigment content, and activities of the antioxidant enzymes in the leaves. Therefore, P. putida KT2440 has supported high fruit yield under drought stress as a biotic tolerance elicitor for this plant stress. |
| doi_str_mv | 10.51372/bioagro342.4 |
| format | Article |
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Plants at the ripening stage of the mature-green were not watered for 20 days to promote drought stress. Concentrations of photosynthetic pigments were determined. Bacteria-soaked tomato plants (BSS) had higher levels of chlorophyll and carotenoids than non-soaked plants (DWS) under stress conditions. Compared to the DWS, stomatal conductance, lipid peroxidation, and hydrogen peroxide content in the BSS plants decreased under drought stress. The ascorbate peroxidase (APX), catalase (CAT), and peroxidase (POD) activities increased in BSS plants compared to DWS under drought stress. Furthermore, the number and weight of fruits in both DWS and BSS plants was reduced by the stress, but the reduction in BSS plants was lower than in DWS plants. These results showed that bacteria treatment conferred tolerance to drought stress in tomato plants by reducing the peroxidation extent of polar lipids (PLs), increasing photosynthetic pigment content, and activities of the antioxidant enzymes in the leaves. Therefore, P. putida KT2440 has supported high fruit yield under drought stress as a biotic tolerance elicitor for this plant stress.</description><identifier>ISSN: 1316-3361</identifier><identifier>ISSN: 2521-9693</identifier><identifier>EISSN: 2521-9693</identifier><identifier>DOI: 10.51372/bioagro342.4</identifier><language>eng</language><subject>Antioxidant enzymes ; Bacterias promotoras del crecimiento ; Drought stress ; Enzimas antioxidantes ; Estrés por sequía ; Plant growth ; promoting bacteria ; Solanum lycopersicum</subject><ispartof>Bioagro, 2022-01, Vol.34 (2), p.139-150</ispartof><rights>LICENCIA DE USO: Los documentos a texto completo incluidos en Dialnet son de acceso libre y propiedad de sus autores y/o editores. Por tanto, cualquier acto de reproducción, distribución, comunicación pública y/o transformación total o parcial requiere el consentimiento expreso y escrito de aquéllos. Cualquier enlace al texto completo de estos documentos deberá hacerse a través de la URL oficial de éstos en Dialnet. Más información: https://dialnet.unirioja.es/info/derechosOAI | INTELLECTUAL PROPERTY RIGHTS STATEMENT: Full text documents hosted by Dialnet are protected by copyright and/or related rights. This digital object is accessible without charge, but its use is subject to the licensing conditions set by its authors or editors. Unless expressly stated otherwise in the licensing conditions, you are free to linking, browsing, printing and making a copy for your own personal purposes. All other acts of reproduction and communication to the public are subject to the licensing conditions expressed by editors and authors and require consent from them. Any link to this document should be made using its official URL in Dialnet. 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Plants at the ripening stage of the mature-green were not watered for 20 days to promote drought stress. Concentrations of photosynthetic pigments were determined. Bacteria-soaked tomato plants (BSS) had higher levels of chlorophyll and carotenoids than non-soaked plants (DWS) under stress conditions. Compared to the DWS, stomatal conductance, lipid peroxidation, and hydrogen peroxide content in the BSS plants decreased under drought stress. The ascorbate peroxidase (APX), catalase (CAT), and peroxidase (POD) activities increased in BSS plants compared to DWS under drought stress. Furthermore, the number and weight of fruits in both DWS and BSS plants was reduced by the stress, but the reduction in BSS plants was lower than in DWS plants. These results showed that bacteria treatment conferred tolerance to drought stress in tomato plants by reducing the peroxidation extent of polar lipids (PLs), increasing photosynthetic pigment content, and activities of the antioxidant enzymes in the leaves. Therefore, P. putida KT2440 has supported high fruit yield under drought stress as a biotic tolerance elicitor for this plant stress.</description><subject>Antioxidant enzymes</subject><subject>Bacterias promotoras del crecimiento</subject><subject>Drought stress</subject><subject>Enzimas antioxidantes</subject><subject>Estrés por sequía</subject><subject>Plant growth</subject><subject>promoting bacteria</subject><subject>Solanum lycopersicum</subject><issn>1316-3361</issn><issn>2521-9693</issn><issn>2521-9693</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>FKZ</sourceid><recordid>eNpFkEtLAzEUhYMoWKtL9_kDU28eM9OAm1J8YUHRcR0yedSUNilJZuG_d7Q-Vod7ON-FcxC6JDCrCWvpVe-jWqfIOJ3xIzShNSWVaAQ7RhPCSFMx1pBTdJbzBoC30JAJen3OdjBxF4PKeD8UbxR-7CjngH0wg7YZmxSH9XvBJW5tUkFbbIbkwxq7NPiCk9_b8HX6MEZ2qsRzdOLUNtuLH52it9ubbnlfrZ7uHpaLVaUphVK1c1arnigtrOi5mlsAo0fDWNeT2rTEcOKEM6AVQK8JOLBciBq4YMCahk3R9eGv8WobbJH75HcqfciovPz1huCTjxslbZaLlw4ASM3G6vMRrw64TjHnZN0fT0B-Dyr_B5WcfQI-ymw5</recordid><startdate>20220101</startdate><enddate>20220101</enddate><creator>Saglam, Aykut</creator><creator>Demiralay, Mehmet</creator><creator>Nigar Colak, Dilsat</creator><creator>Pehlivan Gedik, Necla</creator><creator>Basok, Oguz</creator><creator>Kadioglu, Asım</creator><scope>AAYXX</scope><scope>CITATION</scope><scope>AGMXS</scope><scope>FKZ</scope><orcidid>https://orcid.org/0000-0002-2826-5639</orcidid><orcidid>https://orcid.org/0000-0002-4781-6264</orcidid><orcidid>https://orcid.org/0000-0001-9544-3733</orcidid></search><sort><creationdate>20220101</creationdate><title>Pseudomonas putida KT2440 induces drought tolerance during fruit ripening in tomato</title><author>Saglam, Aykut ; Demiralay, Mehmet ; Nigar Colak, Dilsat ; Pehlivan Gedik, Necla ; Basok, Oguz ; Kadioglu, Asım</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c220t-7835ab1ac9e9b4a8e00dcab1defb15d71d41f9fd0ca00bc10f0e4995049303663</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Antioxidant enzymes</topic><topic>Bacterias promotoras del crecimiento</topic><topic>Drought stress</topic><topic>Enzimas antioxidantes</topic><topic>Estrés por sequía</topic><topic>Plant growth</topic><topic>promoting bacteria</topic><topic>Solanum lycopersicum</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Saglam, Aykut</creatorcontrib><creatorcontrib>Demiralay, Mehmet</creatorcontrib><creatorcontrib>Nigar Colak, Dilsat</creatorcontrib><creatorcontrib>Pehlivan Gedik, Necla</creatorcontrib><creatorcontrib>Basok, Oguz</creatorcontrib><creatorcontrib>Kadioglu, Asım</creatorcontrib><collection>CrossRef</collection><collection>Dialnet (Open Access Full Text)</collection><collection>Dialnet</collection><jtitle>Bioagro</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Saglam, Aykut</au><au>Demiralay, Mehmet</au><au>Nigar Colak, Dilsat</au><au>Pehlivan Gedik, Necla</au><au>Basok, Oguz</au><au>Kadioglu, Asım</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Pseudomonas putida KT2440 induces drought tolerance during fruit ripening in tomato</atitle><jtitle>Bioagro</jtitle><date>2022-01-01</date><risdate>2022</risdate><volume>34</volume><issue>2</issue><spage>139</spage><epage>150</epage><pages>139-150</pages><issn>1316-3361</issn><issn>2521-9693</issn><eissn>2521-9693</eissn><abstract>The current study investigated the effects of Pseudomonas putida strain KT2440 on the drought tolerance of tomato plants during fruit maturation. Plants at the ripening stage of the mature-green were not watered for 20 days to promote drought stress. Concentrations of photosynthetic pigments were determined. Bacteria-soaked tomato plants (BSS) had higher levels of chlorophyll and carotenoids than non-soaked plants (DWS) under stress conditions. Compared to the DWS, stomatal conductance, lipid peroxidation, and hydrogen peroxide content in the BSS plants decreased under drought stress. The ascorbate peroxidase (APX), catalase (CAT), and peroxidase (POD) activities increased in BSS plants compared to DWS under drought stress. Furthermore, the number and weight of fruits in both DWS and BSS plants was reduced by the stress, but the reduction in BSS plants was lower than in DWS plants. These results showed that bacteria treatment conferred tolerance to drought stress in tomato plants by reducing the peroxidation extent of polar lipids (PLs), increasing photosynthetic pigment content, and activities of the antioxidant enzymes in the leaves. Therefore, P. putida KT2440 has supported high fruit yield under drought stress as a biotic tolerance elicitor for this plant stress.</abstract><doi>10.51372/bioagro342.4</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0002-2826-5639</orcidid><orcidid>https://orcid.org/0000-0002-4781-6264</orcidid><orcidid>https://orcid.org/0000-0001-9544-3733</orcidid><oa>free_for_read</oa></addata></record> |
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| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Dialnet; Alma/SFX Local Collection |
| subjects | Antioxidant enzymes Bacterias promotoras del crecimiento Drought stress Enzimas antioxidantes Estrés por sequía Plant growth promoting bacteria Solanum lycopersicum |
| title | Pseudomonas putida KT2440 induces drought tolerance during fruit ripening in tomato |
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