Effects of Elevated Temperature on Pisum sativum Nodule Development: II-Phytohormonal Responses
High temperature is one of the most important factors limiting legume productivity. We have previously shown the induction of senescence in the apical part of nodules of the pea SGE line, formed by bv. strain 3841, when they were exposed to elevated temperature (28 °C). In this study, we analyzed th...
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description | High temperature is one of the most important factors limiting legume productivity. We have previously shown the induction of senescence in the apical part of nodules of the pea SGE line, formed by
bv.
strain 3841, when they were exposed to elevated temperature (28 °C). In this study, we analyzed the potential involvement of abscisic acid (ABA), ethylene, and gibberellins in apical senescence in pea nodules under elevated temperature. Immunolocalization revealed an increase in ABA and 1-aminocyclopropane-1-carboxylic acid (ACC, the precursor of ethylene biosynthesis) levels in cells of the nitrogen fixation zone in heat-stressed nodules in 1 day of exposure compared to heat-unstressed nodules. Both ABA and ethylene appear to be involved in the earliest responses of nodules to heat stress. A decrease in the gibberellic acid (GA
) level in heat-stressed nodules was observed. Exogenous GA
treatment induced a delay in the degradation of the nitrogen fixation zone in heat-stressed nodules. At the same time, a decrease in the expression level of many genes associated with nodule senescence, heat shock, and defense responses in pea nodules treated with GA
at an elevated temperature was detected. Therefore, apical senescence in heat-stressed nodules is regulated by phytohormones in a manner similar to natural senescence. Gibberellins can be considered as negative regulators, while ABA and ethylene can be considered positive regulators. |
doi_str_mv | 10.3390/ijms242317062 |
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bv.
strain 3841, when they were exposed to elevated temperature (28 °C). In this study, we analyzed the potential involvement of abscisic acid (ABA), ethylene, and gibberellins in apical senescence in pea nodules under elevated temperature. Immunolocalization revealed an increase in ABA and 1-aminocyclopropane-1-carboxylic acid (ACC, the precursor of ethylene biosynthesis) levels in cells of the nitrogen fixation zone in heat-stressed nodules in 1 day of exposure compared to heat-unstressed nodules. Both ABA and ethylene appear to be involved in the earliest responses of nodules to heat stress. A decrease in the gibberellic acid (GA
) level in heat-stressed nodules was observed. Exogenous GA
treatment induced a delay in the degradation of the nitrogen fixation zone in heat-stressed nodules. At the same time, a decrease in the expression level of many genes associated with nodule senescence, heat shock, and defense responses in pea nodules treated with GA
at an elevated temperature was detected. Therefore, apical senescence in heat-stressed nodules is regulated by phytohormones in a manner similar to natural senescence. Gibberellins can be considered as negative regulators, while ABA and ethylene can be considered positive regulators.</description><identifier>ISSN: 1422-0067</identifier><identifier>ISSN: 1661-6596</identifier><identifier>EISSN: 1422-0067</identifier><identifier>DOI: 10.3390/ijms242317062</identifier><identifier>PMID: 38069383</identifier><language>eng</language><publisher>Switzerland: MDPI AG</publisher><subject>Abscisic acid ; Abscisic Acid - metabolism ; Biosynthesis ; Cytoplasm ; Ethylenes ; Food ; Gibberellins ; Heat ; High temperature ; Infections ; Legumes ; Nitrogen ; Nitrogen Fixation - genetics ; Peas ; Plant Growth Regulators ; Regulation ; Rhizobium leguminosarum - genetics ; Seasons ; Seeds ; Senescence ; Symbiosis - physiology ; Temperature</subject><ispartof>International journal of molecular sciences, 2023-12, Vol.24 (23), p.17062</ispartof><rights>2023 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/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c360t-b3f9608da277b2caede6a467c0b238e62361d3c7005e413b3605c190e3ba57a93</citedby><cites>FETCH-LOGICAL-c360t-b3f9608da277b2caede6a467c0b238e62361d3c7005e413b3605c190e3ba57a93</cites><orcidid>0000-0001-7873-6737 ; 0000-0003-2795-515X ; 0000-0003-3105-8689</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27923,27924</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/38069383$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Kitaeva, Anna B</creatorcontrib><creatorcontrib>Serova, Tatiana A</creatorcontrib><creatorcontrib>Kusakin, Pyotr G</creatorcontrib><creatorcontrib>Tsyganov, Viktor E</creatorcontrib><title>Effects of Elevated Temperature on Pisum sativum Nodule Development: II-Phytohormonal Responses</title><title>International journal of molecular sciences</title><addtitle>Int J Mol Sci</addtitle><description>High temperature is one of the most important factors limiting legume productivity. We have previously shown the induction of senescence in the apical part of nodules of the pea SGE line, formed by
bv.
strain 3841, when they were exposed to elevated temperature (28 °C). In this study, we analyzed the potential involvement of abscisic acid (ABA), ethylene, and gibberellins in apical senescence in pea nodules under elevated temperature. Immunolocalization revealed an increase in ABA and 1-aminocyclopropane-1-carboxylic acid (ACC, the precursor of ethylene biosynthesis) levels in cells of the nitrogen fixation zone in heat-stressed nodules in 1 day of exposure compared to heat-unstressed nodules. Both ABA and ethylene appear to be involved in the earliest responses of nodules to heat stress. A decrease in the gibberellic acid (GA
) level in heat-stressed nodules was observed. Exogenous GA
treatment induced a delay in the degradation of the nitrogen fixation zone in heat-stressed nodules. At the same time, a decrease in the expression level of many genes associated with nodule senescence, heat shock, and defense responses in pea nodules treated with GA
at an elevated temperature was detected. Therefore, apical senescence in heat-stressed nodules is regulated by phytohormones in a manner similar to natural senescence. Gibberellins can be considered as negative regulators, while ABA and ethylene can be considered positive regulators.</description><subject>Abscisic acid</subject><subject>Abscisic Acid - metabolism</subject><subject>Biosynthesis</subject><subject>Cytoplasm</subject><subject>Ethylenes</subject><subject>Food</subject><subject>Gibberellins</subject><subject>Heat</subject><subject>High temperature</subject><subject>Infections</subject><subject>Legumes</subject><subject>Nitrogen</subject><subject>Nitrogen Fixation - genetics</subject><subject>Peas</subject><subject>Plant Growth Regulators</subject><subject>Regulation</subject><subject>Rhizobium leguminosarum - genetics</subject><subject>Seasons</subject><subject>Seeds</subject><subject>Senescence</subject><subject>Symbiosis - physiology</subject><subject>Temperature</subject><issn>1422-0067</issn><issn>1661-6596</issn><issn>1422-0067</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>8G5</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNpd0M9LwzAUB_Agips_jl4l4MVLNc1r08abzKmDoUPmuaTtK-tompqkg_33VjZFPb13-Lwvjy8hFyG7AZDstl5rxyMOYcIEPyDjMOI8YEwkh7_2ETlxbs0YBx7LYzKClAkJKYxJNq0qLLyjpqLTBjfKY0mXqDu0yvcWqWnpona9pk75ejPMF1P2DdIH3GBjOo2tv6OzWbBYbb1ZGatNqxr6hq4zrUN3Ro4q1Tg8389T8v44XU6eg_nr02xyPw8KEMwHOVRSsLRUPElyXigsUahIJAXLOaQoOIiwhCJhLMYohHw4iotQMoRcxYmScEqud7mdNR89Op_p2hXYNKpF07uMS8al4ImIBnr1j65Nb4evB5VKGUEsAQYV7FRhjXMWq6yztVZ2m4Us-2o--9P84C_3qX2usfzR31XDJ_7cfpY</recordid><startdate>20231202</startdate><enddate>20231202</enddate><creator>Kitaeva, Anna B</creator><creator>Serova, Tatiana A</creator><creator>Kusakin, Pyotr G</creator><creator>Tsyganov, Viktor E</creator><general>MDPI AG</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>3V.</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>8G5</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>K9.</scope><scope>M0S</scope><scope>M1P</scope><scope>M2O</scope><scope>MBDVC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0001-7873-6737</orcidid><orcidid>https://orcid.org/0000-0003-2795-515X</orcidid><orcidid>https://orcid.org/0000-0003-3105-8689</orcidid></search><sort><creationdate>20231202</creationdate><title>Effects of Elevated Temperature on Pisum sativum Nodule Development: II-Phytohormonal Responses</title><author>Kitaeva, Anna B ; 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We have previously shown the induction of senescence in the apical part of nodules of the pea SGE line, formed by
bv.
strain 3841, when they were exposed to elevated temperature (28 °C). In this study, we analyzed the potential involvement of abscisic acid (ABA), ethylene, and gibberellins in apical senescence in pea nodules under elevated temperature. Immunolocalization revealed an increase in ABA and 1-aminocyclopropane-1-carboxylic acid (ACC, the precursor of ethylene biosynthesis) levels in cells of the nitrogen fixation zone in heat-stressed nodules in 1 day of exposure compared to heat-unstressed nodules. Both ABA and ethylene appear to be involved in the earliest responses of nodules to heat stress. A decrease in the gibberellic acid (GA
) level in heat-stressed nodules was observed. Exogenous GA
treatment induced a delay in the degradation of the nitrogen fixation zone in heat-stressed nodules. At the same time, a decrease in the expression level of many genes associated with nodule senescence, heat shock, and defense responses in pea nodules treated with GA
at an elevated temperature was detected. Therefore, apical senescence in heat-stressed nodules is regulated by phytohormones in a manner similar to natural senescence. Gibberellins can be considered as negative regulators, while ABA and ethylene can be considered positive regulators.</abstract><cop>Switzerland</cop><pub>MDPI AG</pub><pmid>38069383</pmid><doi>10.3390/ijms242317062</doi><orcidid>https://orcid.org/0000-0001-7873-6737</orcidid><orcidid>https://orcid.org/0000-0003-2795-515X</orcidid><orcidid>https://orcid.org/0000-0003-3105-8689</orcidid><oa>free_for_read</oa></addata></record> |
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subjects | Abscisic acid Abscisic Acid - metabolism Biosynthesis Cytoplasm Ethylenes Food Gibberellins Heat High temperature Infections Legumes Nitrogen Nitrogen Fixation - genetics Peas Plant Growth Regulators Regulation Rhizobium leguminosarum - genetics Seasons Seeds Senescence Symbiosis - physiology Temperature |
title | Effects of Elevated Temperature on Pisum sativum Nodule Development: II-Phytohormonal Responses |
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