Antioxidative Responses of Duckweed (Lemna minor L.) to Phenol and Rhizosphere-Associated Bacterial Strain Hafnia paralvei C32-106/3
Duckweed (L. minor) is a cosmopolitan aquatic plant of simplified morphology and rapid vegetative reproduction. In this study, an H. paralvei bacterial strain and its influence on the antioxidative response of the duckweeds to phenol, a recalcitrant environmental pollutant, were investigated. Steril...
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| Veröffentlicht in: | Antioxidants 2021-10, Vol.10 (11), p.1719 |
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| creator | Radulović, Olga Stanković, Slaviša Stanojević, Olja Vujčić, Zoran Dojnov, Biljana Trifunović-Momčilov, Milana Marković, Marija |
| description | Duckweed (L. minor) is a cosmopolitan aquatic plant of simplified morphology and rapid vegetative reproduction. In this study, an H. paralvei bacterial strain and its influence on the antioxidative response of the duckweeds to phenol, a recalcitrant environmental pollutant, were investigated. Sterile duckweed cultures were inoculated with H. paralvei in vitro and cultivated in the presence or absence of phenol (500 mg L−1), in order to investigate bacterial effects on plant oxidative stress during 5 days. Total soluble proteins, guaiacol peroxidase expression, concentration of hydrogen peroxide and malondialdehyde as well as the total ascorbic acid of the plants were monitored. Moreover, bacterial production of indole-3-acetic acid (IAA) was measured in order to investigate H. paralvei’s influence on plant growth. In general, the addition of phenol elevated all biochemical parameters in L. minor except AsA and total soluble proteins. Phenol as well as bacteria influenced the expression of guaiacol peroxidase. Different isoforms were associated with phenol compared to isoforms expressed in phenol-free medium. Considering that duckweeds showed increased antioxidative parameters in the presence of phenol, it can be assumed that the measured parameters might be involved in the plant’s defense system. H. paralvei is an IAA producer and its presence in the rhizosphere of duckweeds decreased the oxidative stress of the plants, which can be taken as evidence that this bacterial strain acts protectively on the plants during phenol exposure. |
| doi_str_mv | 10.3390/antiox10111719 |
| format | Article |
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In this study, an H. paralvei bacterial strain and its influence on the antioxidative response of the duckweeds to phenol, a recalcitrant environmental pollutant, were investigated. Sterile duckweed cultures were inoculated with H. paralvei in vitro and cultivated in the presence or absence of phenol (500 mg L−1), in order to investigate bacterial effects on plant oxidative stress during 5 days. Total soluble proteins, guaiacol peroxidase expression, concentration of hydrogen peroxide and malondialdehyde as well as the total ascorbic acid of the plants were monitored. Moreover, bacterial production of indole-3-acetic acid (IAA) was measured in order to investigate H. paralvei’s influence on plant growth. In general, the addition of phenol elevated all biochemical parameters in L. minor except AsA and total soluble proteins. Phenol as well as bacteria influenced the expression of guaiacol peroxidase. Different isoforms were associated with phenol compared to isoforms expressed in phenol-free medium. Considering that duckweeds showed increased antioxidative parameters in the presence of phenol, it can be assumed that the measured parameters might be involved in the plant’s defense system. H. paralvei is an IAA producer and its presence in the rhizosphere of duckweeds decreased the oxidative stress of the plants, which can be taken as evidence that this bacterial strain acts protectively on the plants during phenol exposure.</description><identifier>ISSN: 2076-3921</identifier><identifier>EISSN: 2076-3921</identifier><identifier>DOI: 10.3390/antiox10111719</identifier><identifier>PMID: 34829590</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Acids ; antioxidative ; Aquatic plants ; Ascorbic acid ; Bacteria ; Biomass ; duckweed ; Efficiency ; Enzymes ; Experiments ; Guaiacol ; Hydrogen peroxide ; Indoleacetic acid ; Isoforms ; Lipid peroxidation ; Lipids ; Malondialdehyde ; Oxidative stress ; Peroxidase ; phenol ; Phenols ; Pollutants ; Potassium ; Proteins ; Rhizosphere ; stress ; Vegetative reproduction ; Water treatment</subject><ispartof>Antioxidants, 2021-10, Vol.10 (11), p.1719</ispartof><rights>2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). 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In this study, an H. paralvei bacterial strain and its influence on the antioxidative response of the duckweeds to phenol, a recalcitrant environmental pollutant, were investigated. Sterile duckweed cultures were inoculated with H. paralvei in vitro and cultivated in the presence or absence of phenol (500 mg L−1), in order to investigate bacterial effects on plant oxidative stress during 5 days. Total soluble proteins, guaiacol peroxidase expression, concentration of hydrogen peroxide and malondialdehyde as well as the total ascorbic acid of the plants were monitored. Moreover, bacterial production of indole-3-acetic acid (IAA) was measured in order to investigate H. paralvei’s influence on plant growth. In general, the addition of phenol elevated all biochemical parameters in L. minor except AsA and total soluble proteins. Phenol as well as bacteria influenced the expression of guaiacol peroxidase. Different isoforms were associated with phenol compared to isoforms expressed in phenol-free medium. Considering that duckweeds showed increased antioxidative parameters in the presence of phenol, it can be assumed that the measured parameters might be involved in the plant’s defense system. H. paralvei is an IAA producer and its presence in the rhizosphere of duckweeds decreased the oxidative stress of the plants, which can be taken as evidence that this bacterial strain acts protectively on the plants during phenol exposure.</description><subject>Acids</subject><subject>antioxidative</subject><subject>Aquatic plants</subject><subject>Ascorbic acid</subject><subject>Bacteria</subject><subject>Biomass</subject><subject>duckweed</subject><subject>Efficiency</subject><subject>Enzymes</subject><subject>Experiments</subject><subject>Guaiacol</subject><subject>Hydrogen peroxide</subject><subject>Indoleacetic acid</subject><subject>Isoforms</subject><subject>Lipid peroxidation</subject><subject>Lipids</subject><subject>Malondialdehyde</subject><subject>Oxidative stress</subject><subject>Peroxidase</subject><subject>phenol</subject><subject>Phenols</subject><subject>Pollutants</subject><subject>Potassium</subject><subject>Proteins</subject><subject>Rhizosphere</subject><subject>stress</subject><subject>Vegetative reproduction</subject><subject>Water treatment</subject><issn>2076-3921</issn><issn>2076-3921</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><sourceid>DOA</sourceid><recordid>eNpdksFvFCEUhydGY5vaq2cSL_UwWxiYWbiYrKu1TTbRVD2TN_Doss7CCrOr9ewfLtttjCscIPDx5cfLq6qXjE44V_QSwujjT0YZY1OmnlSnDZ12NVcNe_rP_qQ6z3lFy1CMS6qeVydcyEa1ip5Wv2cPDm9h9Dskt5g3MWTMJDrybmu-_UC05GKB6wBk7UNMZDF5TcZIPi0xxIFAsOR26X_FvFliwnqWczQexvLqLZgRk4eBfB4T-ECuwQUPZAMJhh16MudNzWh3yV9UzxwMGc8f17Pq69X7L_PrevHxw818tqiN6NhYt643klFhBQC1veNlGmMlYGN71gIIAQ5t07XKTLvemd4JdAalaaFDRvlZdXPw2ggrvUl-DeleR_D64SCmOw1p9GZAbYSdSqZKxRwTbd9IpeS0ldJZCswxVlxvDq7Ntl-jNRjKJ4cj6fFN8Et9F3dadqxlvC2Ci0dBit-3mEe99tngMEDAuM266aigzT5EQV_9h67iNoVSqj1VUjadEIWaHCiTYs4J3d8wjOp9v-jjfuF_ACSCs7I</recordid><startdate>20211028</startdate><enddate>20211028</enddate><creator>Radulović, Olga</creator><creator>Stanković, Slaviša</creator><creator>Stanojević, Olja</creator><creator>Vujčić, Zoran</creator><creator>Dojnov, Biljana</creator><creator>Trifunović-Momčilov, Milana</creator><creator>Marković, Marija</creator><general>MDPI AG</general><general>MDPI</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QR</scope><scope>7T5</scope><scope>7TO</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>H94</scope><scope>HCIFZ</scope><scope>LK8</scope><scope>M7P</scope><scope>P64</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope><scope>5PM</scope><scope>DOA</scope><orcidid>https://orcid.org/0000-0003-0527-8741</orcidid><orcidid>https://orcid.org/0000-0003-3205-3353</orcidid></search><sort><creationdate>20211028</creationdate><title>Antioxidative Responses of Duckweed (Lemna minor L.) to Phenol and Rhizosphere-Associated Bacterial Strain Hafnia paralvei C32-106/3</title><author>Radulović, Olga ; 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In this study, an H. paralvei bacterial strain and its influence on the antioxidative response of the duckweeds to phenol, a recalcitrant environmental pollutant, were investigated. Sterile duckweed cultures were inoculated with H. paralvei in vitro and cultivated in the presence or absence of phenol (500 mg L−1), in order to investigate bacterial effects on plant oxidative stress during 5 days. Total soluble proteins, guaiacol peroxidase expression, concentration of hydrogen peroxide and malondialdehyde as well as the total ascorbic acid of the plants were monitored. Moreover, bacterial production of indole-3-acetic acid (IAA) was measured in order to investigate H. paralvei’s influence on plant growth. In general, the addition of phenol elevated all biochemical parameters in L. minor except AsA and total soluble proteins. Phenol as well as bacteria influenced the expression of guaiacol peroxidase. Different isoforms were associated with phenol compared to isoforms expressed in phenol-free medium. Considering that duckweeds showed increased antioxidative parameters in the presence of phenol, it can be assumed that the measured parameters might be involved in the plant’s defense system. H. paralvei is an IAA producer and its presence in the rhizosphere of duckweeds decreased the oxidative stress of the plants, which can be taken as evidence that this bacterial strain acts protectively on the plants during phenol exposure.</abstract><cop>Basel</cop><pub>MDPI AG</pub><pmid>34829590</pmid><doi>10.3390/antiox10111719</doi><orcidid>https://orcid.org/0000-0003-0527-8741</orcidid><orcidid>https://orcid.org/0000-0003-3205-3353</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Acids antioxidative Aquatic plants Ascorbic acid Bacteria Biomass duckweed Efficiency Enzymes Experiments Guaiacol Hydrogen peroxide Indoleacetic acid Isoforms Lipid peroxidation Lipids Malondialdehyde Oxidative stress Peroxidase phenol Phenols Pollutants Potassium Proteins Rhizosphere stress Vegetative reproduction Water treatment |
| title | Antioxidative Responses of Duckweed (Lemna minor L.) to Phenol and Rhizosphere-Associated Bacterial Strain Hafnia paralvei C32-106/3 |
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