Improved Drought Tolerance by AMF Inoculation in Maize ( Zea mays ) Involves Physiological and Biochemical Implications
The role of arbuscular mycorrhizal fungus (AMF, ) in amelioration of drought-induced effects on growth and physio-biochemical attributes in maize (Zea mays L.) was studied. Maize plants were exposed to two drought regimes, i.e., moderate drought (MD) and severe drought (SD), with and without AMF ino...
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| Veröffentlicht in: | Plants (Basel) 2019-12, Vol.8 (12), p.579 |
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| creator | Begum, Naheeda Ahanger, Muhammad Abass Su, Yunyun Lei, Yafang Mustafa, Nabil Sabet A Ahmad, Parvaiz Zhang, Lixin |
| description | The role of arbuscular mycorrhizal fungus (AMF,
) in amelioration of drought-induced effects on growth and physio-biochemical attributes in maize (Zea mays L.) was studied. Maize plants were exposed to two drought regimes, i.e., moderate drought (MD) and severe drought (SD), with and without AMF inoculation. Drought at both levels reduced plant height, and chlorophyll and carotenoid content, thereby impeding photosynthesis. In addition, drought stress enhanced the generation of toxic reactive oxygen species (ROS), including H
O
, resulting in membrane damage reflected as increased electrolyte leakage and lipid peroxidation. Such negative effects were much more apparent under SD conditions that those of MD and the control, however, AMF inoculation significantly ameliorated the deleterious effects of drought-induced oxidative damage. Under control conditions, inoculation of AMF increased growth and photosynthesis by significantly improving chlorophyll content, mineral uptake and assimilation. AMF inoculation increased the content of compatible solutes, such as proline, sugars and free amino acids, assisting in maintaining the relative water content. Up-regulation of the antioxidant system was obvious in AMF-inoculated plants, thereby mediating quick alleviation of oxidative effects of drought through elimination of ROS. In addition, AMF mediated up-regulation of the antioxidant system contributed to maintenance of redox homeostasis, leading to protection of major metabolic pathways, including photosynthesis, as observed in the present study. Total phenols increased due to AMF inoculation under both MD and SD conditions. The present study advocates the beneficial role of
inoculation in maize against drought stress. |
| doi_str_mv | 10.3390/plants8120579 |
| format | Article |
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) in amelioration of drought-induced effects on growth and physio-biochemical attributes in maize (Zea mays L.) was studied. Maize plants were exposed to two drought regimes, i.e., moderate drought (MD) and severe drought (SD), with and without AMF inoculation. Drought at both levels reduced plant height, and chlorophyll and carotenoid content, thereby impeding photosynthesis. In addition, drought stress enhanced the generation of toxic reactive oxygen species (ROS), including H
O
, resulting in membrane damage reflected as increased electrolyte leakage and lipid peroxidation. Such negative effects were much more apparent under SD conditions that those of MD and the control, however, AMF inoculation significantly ameliorated the deleterious effects of drought-induced oxidative damage. Under control conditions, inoculation of AMF increased growth and photosynthesis by significantly improving chlorophyll content, mineral uptake and assimilation. AMF inoculation increased the content of compatible solutes, such as proline, sugars and free amino acids, assisting in maintaining the relative water content. Up-regulation of the antioxidant system was obvious in AMF-inoculated plants, thereby mediating quick alleviation of oxidative effects of drought through elimination of ROS. In addition, AMF mediated up-regulation of the antioxidant system contributed to maintenance of redox homeostasis, leading to protection of major metabolic pathways, including photosynthesis, as observed in the present study. Total phenols increased due to AMF inoculation under both MD and SD conditions. The present study advocates the beneficial role of
inoculation in maize against drought stress.</description><identifier>ISSN: 2223-7747</identifier><identifier>EISSN: 2223-7747</identifier><identifier>DOI: 10.3390/plants8120579</identifier><identifier>PMID: 31817760</identifier><language>eng</language><publisher>Switzerland: MDPI AG</publisher><subject>Agricultural production ; Amino acids ; Antioxidants ; Arbuscular mycorrhizas ; Biocompatibility ; Chlorophyll ; Corn ; Damage ; Drought ; Drought resistance ; Electrolyte leakage ; Enzymes ; Food security ; Gene expression ; Homeostasis ; Humidity ; Hydrogen peroxide ; Inoculation ; Lipid peroxidation ; Lipids ; Metabolic pathways ; Metabolism ; Metabolites ; Moisture content ; Peroxidation ; Phenols ; Photosynthesis ; Physiology ; Plant growth ; Polyamines ; Proline ; Reactive oxygen species ; Solutes ; Sugar ; Water content ; Zea mays</subject><ispartof>Plants (Basel), 2019-12, Vol.8 (12), p.579</ispartof><rights>2019 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 (http://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>2019 by the authors. 2019</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c481t-e70818a7d8002a36704dd5f55c85224ae04646f0428611b1158b8781cec31543</citedby><cites>FETCH-LOGICAL-c481t-e70818a7d8002a36704dd5f55c85224ae04646f0428611b1158b8781cec31543</cites><orcidid>0000-0003-2734-4180</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC6963921/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC6963921/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,723,776,780,860,881,27901,27902,53766,53768</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/31817760$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Begum, Naheeda</creatorcontrib><creatorcontrib>Ahanger, Muhammad Abass</creatorcontrib><creatorcontrib>Su, Yunyun</creatorcontrib><creatorcontrib>Lei, Yafang</creatorcontrib><creatorcontrib>Mustafa, Nabil Sabet A</creatorcontrib><creatorcontrib>Ahmad, Parvaiz</creatorcontrib><creatorcontrib>Zhang, Lixin</creatorcontrib><title>Improved Drought Tolerance by AMF Inoculation in Maize ( Zea mays ) Involves Physiological and Biochemical Implications</title><title>Plants (Basel)</title><addtitle>Plants (Basel)</addtitle><description>The role of arbuscular mycorrhizal fungus (AMF,
) in amelioration of drought-induced effects on growth and physio-biochemical attributes in maize (Zea mays L.) was studied. Maize plants were exposed to two drought regimes, i.e., moderate drought (MD) and severe drought (SD), with and without AMF inoculation. Drought at both levels reduced plant height, and chlorophyll and carotenoid content, thereby impeding photosynthesis. In addition, drought stress enhanced the generation of toxic reactive oxygen species (ROS), including H
O
, resulting in membrane damage reflected as increased electrolyte leakage and lipid peroxidation. Such negative effects were much more apparent under SD conditions that those of MD and the control, however, AMF inoculation significantly ameliorated the deleterious effects of drought-induced oxidative damage. Under control conditions, inoculation of AMF increased growth and photosynthesis by significantly improving chlorophyll content, mineral uptake and assimilation. AMF inoculation increased the content of compatible solutes, such as proline, sugars and free amino acids, assisting in maintaining the relative water content. Up-regulation of the antioxidant system was obvious in AMF-inoculated plants, thereby mediating quick alleviation of oxidative effects of drought through elimination of ROS. In addition, AMF mediated up-regulation of the antioxidant system contributed to maintenance of redox homeostasis, leading to protection of major metabolic pathways, including photosynthesis, as observed in the present study. Total phenols increased due to AMF inoculation under both MD and SD conditions. The present study advocates the beneficial role of
inoculation in maize against drought stress.</description><subject>Agricultural production</subject><subject>Amino acids</subject><subject>Antioxidants</subject><subject>Arbuscular mycorrhizas</subject><subject>Biocompatibility</subject><subject>Chlorophyll</subject><subject>Corn</subject><subject>Damage</subject><subject>Drought</subject><subject>Drought resistance</subject><subject>Electrolyte leakage</subject><subject>Enzymes</subject><subject>Food security</subject><subject>Gene expression</subject><subject>Homeostasis</subject><subject>Humidity</subject><subject>Hydrogen peroxide</subject><subject>Inoculation</subject><subject>Lipid peroxidation</subject><subject>Lipids</subject><subject>Metabolic pathways</subject><subject>Metabolism</subject><subject>Metabolites</subject><subject>Moisture content</subject><subject>Peroxidation</subject><subject>Phenols</subject><subject>Photosynthesis</subject><subject>Physiology</subject><subject>Plant growth</subject><subject>Polyamines</subject><subject>Proline</subject><subject>Reactive oxygen species</subject><subject>Solutes</subject><subject>Sugar</subject><subject>Water content</subject><subject>Zea mays</subject><issn>2223-7747</issn><issn>2223-7747</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNpVkc1LAzEQxYMoKrVHrxLwoofVfGw26UXQarWg6KEnLyHNpm0km9Rkt1L_eqNW0TCQGebHmwcPgEOMzigdoPOlU75NAhPE-GAL7BNCaMF5ybf_9Hugn9ILyk_kwtUu2KNYYM4rtA_exs0yhpWp4XUM3XzRwklwJiqvDZyu4eXDCI590J1TrQ0eWg8flH038AQ-GwUbtU7wNBOr4FYmwafFOtngwtxq5aDyNbyyQS9M8zXnUy43n0LpAOzMlEumv_l7YDK6mQzvivvH2_Hw8r7QpcBtYXh2LBSvs3WiaMVRWddsxpgWjJBSGVRWZTVDJREVxlOMmZgKLrA2mmJW0h64-JZddtPG1Nr4Nionl9E2Kq5lUFb-33i7kPOwktWgogOCs8DxRiCG186kVr6ELvpsWRLGECGcIZ6p4pvSMaQUzez3AkbyMyn5L6nMH_219Uv_5EI_AKYQj80</recordid><startdate>20191206</startdate><enddate>20191206</enddate><creator>Begum, Naheeda</creator><creator>Ahanger, Muhammad Abass</creator><creator>Su, Yunyun</creator><creator>Lei, Yafang</creator><creator>Mustafa, Nabil Sabet A</creator><creator>Ahmad, Parvaiz</creator><creator>Zhang, Lixin</creator><general>MDPI AG</general><general>MDPI</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7SN</scope><scope>7SS</scope><scope>7T7</scope><scope>7X2</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>LK8</scope><scope>M0K</scope><scope>M7P</scope><scope>P64</scope><scope>PATMY</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PYCSY</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0003-2734-4180</orcidid></search><sort><creationdate>20191206</creationdate><title>Improved Drought Tolerance by AMF Inoculation in Maize ( Zea mays ) Involves Physiological and Biochemical Implications</title><author>Begum, Naheeda ; 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) in amelioration of drought-induced effects on growth and physio-biochemical attributes in maize (Zea mays L.) was studied. Maize plants were exposed to two drought regimes, i.e., moderate drought (MD) and severe drought (SD), with and without AMF inoculation. Drought at both levels reduced plant height, and chlorophyll and carotenoid content, thereby impeding photosynthesis. In addition, drought stress enhanced the generation of toxic reactive oxygen species (ROS), including H
O
, resulting in membrane damage reflected as increased electrolyte leakage and lipid peroxidation. Such negative effects were much more apparent under SD conditions that those of MD and the control, however, AMF inoculation significantly ameliorated the deleterious effects of drought-induced oxidative damage. Under control conditions, inoculation of AMF increased growth and photosynthesis by significantly improving chlorophyll content, mineral uptake and assimilation. AMF inoculation increased the content of compatible solutes, such as proline, sugars and free amino acids, assisting in maintaining the relative water content. Up-regulation of the antioxidant system was obvious in AMF-inoculated plants, thereby mediating quick alleviation of oxidative effects of drought through elimination of ROS. In addition, AMF mediated up-regulation of the antioxidant system contributed to maintenance of redox homeostasis, leading to protection of major metabolic pathways, including photosynthesis, as observed in the present study. Total phenols increased due to AMF inoculation under both MD and SD conditions. The present study advocates the beneficial role of
inoculation in maize against drought stress.</abstract><cop>Switzerland</cop><pub>MDPI AG</pub><pmid>31817760</pmid><doi>10.3390/plants8120579</doi><orcidid>https://orcid.org/0000-0003-2734-4180</orcidid><oa>free_for_read</oa></addata></record> |
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| source | MDPI - Multidisciplinary Digital Publishing Institute; DOAJ Directory of Open Access Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central; PubMed Central Open Access |
| subjects | Agricultural production Amino acids Antioxidants Arbuscular mycorrhizas Biocompatibility Chlorophyll Corn Damage Drought Drought resistance Electrolyte leakage Enzymes Food security Gene expression Homeostasis Humidity Hydrogen peroxide Inoculation Lipid peroxidation Lipids Metabolic pathways Metabolism Metabolites Moisture content Peroxidation Phenols Photosynthesis Physiology Plant growth Polyamines Proline Reactive oxygen species Solutes Sugar Water content Zea mays |
| title | Improved Drought Tolerance by AMF Inoculation in Maize ( Zea mays ) Involves Physiological and Biochemical Implications |
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