Physiological responses of low- and high-cadmium accumulating Robinia pseudoacacia-rhizobium symbioses to cadmium stress
The role of rhizobia in alleviating cadmium (Cd) stress in woody legumes is still unclear. Therefore, two types of black locust (Robinia pseudoacacia L.) with high and low Cd accumulation abilities were selected from 11 genotypes in China, and the effects of rhizobium (Mesorhizobium huakuii GP1T11)...
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Veröffentlicht in: | Environmental pollution (1987) 2024-03, Vol.345, p.123456-123456, Article 123456 |
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description | The role of rhizobia in alleviating cadmium (Cd) stress in woody legumes is still unclear. Therefore, two types of black locust (Robinia pseudoacacia L.) with high and low Cd accumulation abilities were selected from 11 genotypes in China, and the effects of rhizobium (Mesorhizobium huakuii GP1T11) inoculation on the growth, CO2 and H2O gas exchange parameters, Cd accumulation, and the absorption of mineral elements of the high (SX) and low Cd-accumulator (HB) were compared. The results showed that rhizobium-inoculation significantly increased biomass, shoot Cd contents, Cd accumulation, root-to-shoot translocation factor (TF) and the absorption and accumulation of mineral elements in both SX and HB. Rhizobium-inoculation increased chlorophyll a and carotenoid contents, and the intercellular carbon dioxide concentrations in HB plants. Under Cd exposure, the high-accumulator SX exhibited a significant decrease in photosynthetic CO2 fixation (Pn) and an enhanced accumulation of Cd in leaves, but coped with Cd exposure by increasing chlorophyll synthesis, regulating stomatal aperture (Gs), controlling transpiration (Tr), and increasing the absorption and accumulation of mineral elements. In contrast, the low-accumulator HB was more sensitive to Cd exposure despite preferential accumulation of Cd in roots, with decreased chlorophyll and carotenoid contents, but significantly increased root biomass. Compared to the low-accumulator HB, non-inoculated Cd-exposed SX plants had higher chlorophyll contents, and rhizobium-inoculated Cd-exposed SX plants had higher Pn, Tr, and Gs as well as higher levels of P, K, Fe, Ca, Zn, and Cu. In conclusion, the high- and low-Cd-accumulator exhibited different physiological responses to Cd exposure. Overall, rhizobium-inoculation of black locust promoted the growth and heavy metal absorption, providing an effective strategy for the phytoremediation of heavy metal-contaminated soils by this woody legume.
[Display omitted]
•The presence of rhizobia significantly enhanced Cd accumulation.•Rhizobium inoculation increased Cd root-to-shoot TF.•Rhizobium inoculation promoted mineral element absorption.•Rhizobium inoculation enhanced the tolerance of low-Cd accumulator to Cd.•Black locust can be a potential woody plant in phytoremediation. |
doi_str_mv | 10.1016/j.envpol.2024.123456 |
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[Display omitted]
•The presence of rhizobia significantly enhanced Cd accumulation.•Rhizobium inoculation increased Cd root-to-shoot TF.•Rhizobium inoculation promoted mineral element absorption.•Rhizobium inoculation enhanced the tolerance of low-Cd accumulator to Cd.•Black locust can be a potential woody plant in phytoremediation.</description><identifier>ISSN: 0269-7491</identifier><identifier>EISSN: 1873-6424</identifier><identifier>DOI: 10.1016/j.envpol.2024.123456</identifier><identifier>PMID: 38307241</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Black locust ; Cadmium exposure ; Mineral elements ; Photosynthesis ; Phytoremediation ; Rhizobia</subject><ispartof>Environmental pollution (1987), 2024-03, Vol.345, p.123456-123456, Article 123456</ispartof><rights>2024 Elsevier Ltd</rights><rights>Copyright © 2024 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c362t-2d79ef2a11f345ed742fd6fe6f7e6afc41e07ea9df24c2a311fc130cfc9762623</citedby><cites>FETCH-LOGICAL-c362t-2d79ef2a11f345ed742fd6fe6f7e6afc41e07ea9df24c2a311fc130cfc9762623</cites><orcidid>0000-0001-6915-0953 ; 0000-0002-5473-4902 ; 0000-0002-0775-3617 ; 0000-0002-1278-4469</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.envpol.2024.123456$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/38307241$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Gao, Lan</creatorcontrib><creatorcontrib>Wang, Shufeng</creatorcontrib><creatorcontrib>Zou, Dongchen</creatorcontrib><creatorcontrib>Fan, Xu</creatorcontrib><creatorcontrib>Guo, Pan</creatorcontrib><creatorcontrib>Du, Hongxia</creatorcontrib><creatorcontrib>Zhao, Wancang</creatorcontrib><creatorcontrib>Mao, Qiaozhi</creatorcontrib><creatorcontrib>Li, Hong</creatorcontrib><creatorcontrib>Ma, Ming</creatorcontrib><creatorcontrib>Rennenberg, Heinz</creatorcontrib><title>Physiological responses of low- and high-cadmium accumulating Robinia pseudoacacia-rhizobium symbioses to cadmium stress</title><title>Environmental pollution (1987)</title><addtitle>Environ Pollut</addtitle><description>The role of rhizobia in alleviating cadmium (Cd) stress in woody legumes is still unclear. Therefore, two types of black locust (Robinia pseudoacacia L.) with high and low Cd accumulation abilities were selected from 11 genotypes in China, and the effects of rhizobium (Mesorhizobium huakuii GP1T11) inoculation on the growth, CO2 and H2O gas exchange parameters, Cd accumulation, and the absorption of mineral elements of the high (SX) and low Cd-accumulator (HB) were compared. The results showed that rhizobium-inoculation significantly increased biomass, shoot Cd contents, Cd accumulation, root-to-shoot translocation factor (TF) and the absorption and accumulation of mineral elements in both SX and HB. Rhizobium-inoculation increased chlorophyll a and carotenoid contents, and the intercellular carbon dioxide concentrations in HB plants. Under Cd exposure, the high-accumulator SX exhibited a significant decrease in photosynthetic CO2 fixation (Pn) and an enhanced accumulation of Cd in leaves, but coped with Cd exposure by increasing chlorophyll synthesis, regulating stomatal aperture (Gs), controlling transpiration (Tr), and increasing the absorption and accumulation of mineral elements. In contrast, the low-accumulator HB was more sensitive to Cd exposure despite preferential accumulation of Cd in roots, with decreased chlorophyll and carotenoid contents, but significantly increased root biomass. Compared to the low-accumulator HB, non-inoculated Cd-exposed SX plants had higher chlorophyll contents, and rhizobium-inoculated Cd-exposed SX plants had higher Pn, Tr, and Gs as well as higher levels of P, K, Fe, Ca, Zn, and Cu. In conclusion, the high- and low-Cd-accumulator exhibited different physiological responses to Cd exposure. Overall, rhizobium-inoculation of black locust promoted the growth and heavy metal absorption, providing an effective strategy for the phytoremediation of heavy metal-contaminated soils by this woody legume.
[Display omitted]
•The presence of rhizobia significantly enhanced Cd accumulation.•Rhizobium inoculation increased Cd root-to-shoot TF.•Rhizobium inoculation promoted mineral element absorption.•Rhizobium inoculation enhanced the tolerance of low-Cd accumulator to Cd.•Black locust can be a potential woody plant in phytoremediation.</description><subject>Black locust</subject><subject>Cadmium exposure</subject><subject>Mineral elements</subject><subject>Photosynthesis</subject><subject>Phytoremediation</subject><subject>Rhizobia</subject><issn>0269-7491</issn><issn>1873-6424</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNp9kE1P3DAQhq0KBAvlH1SVj1yy9dc65IKEUFsqIVEhera84_GuV0mc2gnt9tfjVaBHTiONnnlfzUPIJ86WnHH9ZbfE_nmI7VIwoZZcSLXSH8iCX9Wy0kqoI7JgQjdVrRp-Ss5y3jHGlJTyhJzKK8lqofiC_P253ecQ27gJYFuaMA-xz5hp9LSNfypqe0e3YbOtwLouTB21AFM3tXYM_YY-xnXog6VDxslFCxaCrdI2_Cv7wuZ9tw7xEDdG-haQx9KSP5Jjb9uMF6_znPz69vXp9q66f_j-4_bmvgKpxVgJVzfoheXclwfR1Up4pz1qX6O2HhRHVqNtnBcKhJWFAy4ZeGhqLbSQ5-Ryzh1S_D1hHk0XMmDb2h7jlI1ohFArxla8oGpGIcWcE3ozpNDZtDecmYNzszOzc3Nwbmbn5ezza8O07tD9P3qTXIDrGcDy53PAZDIE7AFdSAijcTG83_ACcJ2X5g</recordid><startdate>20240315</startdate><enddate>20240315</enddate><creator>Gao, Lan</creator><creator>Wang, Shufeng</creator><creator>Zou, Dongchen</creator><creator>Fan, Xu</creator><creator>Guo, Pan</creator><creator>Du, Hongxia</creator><creator>Zhao, Wancang</creator><creator>Mao, Qiaozhi</creator><creator>Li, Hong</creator><creator>Ma, Ming</creator><creator>Rennenberg, Heinz</creator><general>Elsevier Ltd</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0001-6915-0953</orcidid><orcidid>https://orcid.org/0000-0002-5473-4902</orcidid><orcidid>https://orcid.org/0000-0002-0775-3617</orcidid><orcidid>https://orcid.org/0000-0002-1278-4469</orcidid></search><sort><creationdate>20240315</creationdate><title>Physiological responses of low- and high-cadmium accumulating Robinia pseudoacacia-rhizobium symbioses to cadmium stress</title><author>Gao, Lan ; Wang, Shufeng ; Zou, Dongchen ; Fan, Xu ; Guo, Pan ; Du, Hongxia ; Zhao, Wancang ; Mao, Qiaozhi ; Li, Hong ; Ma, Ming ; Rennenberg, Heinz</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c362t-2d79ef2a11f345ed742fd6fe6f7e6afc41e07ea9df24c2a311fc130cfc9762623</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Black locust</topic><topic>Cadmium exposure</topic><topic>Mineral elements</topic><topic>Photosynthesis</topic><topic>Phytoremediation</topic><topic>Rhizobia</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gao, Lan</creatorcontrib><creatorcontrib>Wang, Shufeng</creatorcontrib><creatorcontrib>Zou, Dongchen</creatorcontrib><creatorcontrib>Fan, Xu</creatorcontrib><creatorcontrib>Guo, Pan</creatorcontrib><creatorcontrib>Du, Hongxia</creatorcontrib><creatorcontrib>Zhao, Wancang</creatorcontrib><creatorcontrib>Mao, Qiaozhi</creatorcontrib><creatorcontrib>Li, Hong</creatorcontrib><creatorcontrib>Ma, Ming</creatorcontrib><creatorcontrib>Rennenberg, Heinz</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Environmental pollution (1987)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gao, Lan</au><au>Wang, Shufeng</au><au>Zou, Dongchen</au><au>Fan, Xu</au><au>Guo, Pan</au><au>Du, Hongxia</au><au>Zhao, Wancang</au><au>Mao, Qiaozhi</au><au>Li, Hong</au><au>Ma, Ming</au><au>Rennenberg, Heinz</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Physiological responses of low- and high-cadmium accumulating Robinia pseudoacacia-rhizobium symbioses to cadmium stress</atitle><jtitle>Environmental pollution (1987)</jtitle><addtitle>Environ Pollut</addtitle><date>2024-03-15</date><risdate>2024</risdate><volume>345</volume><spage>123456</spage><epage>123456</epage><pages>123456-123456</pages><artnum>123456</artnum><issn>0269-7491</issn><eissn>1873-6424</eissn><abstract>The role of rhizobia in alleviating cadmium (Cd) stress in woody legumes is still unclear. Therefore, two types of black locust (Robinia pseudoacacia L.) with high and low Cd accumulation abilities were selected from 11 genotypes in China, and the effects of rhizobium (Mesorhizobium huakuii GP1T11) inoculation on the growth, CO2 and H2O gas exchange parameters, Cd accumulation, and the absorption of mineral elements of the high (SX) and low Cd-accumulator (HB) were compared. The results showed that rhizobium-inoculation significantly increased biomass, shoot Cd contents, Cd accumulation, root-to-shoot translocation factor (TF) and the absorption and accumulation of mineral elements in both SX and HB. Rhizobium-inoculation increased chlorophyll a and carotenoid contents, and the intercellular carbon dioxide concentrations in HB plants. Under Cd exposure, the high-accumulator SX exhibited a significant decrease in photosynthetic CO2 fixation (Pn) and an enhanced accumulation of Cd in leaves, but coped with Cd exposure by increasing chlorophyll synthesis, regulating stomatal aperture (Gs), controlling transpiration (Tr), and increasing the absorption and accumulation of mineral elements. In contrast, the low-accumulator HB was more sensitive to Cd exposure despite preferential accumulation of Cd in roots, with decreased chlorophyll and carotenoid contents, but significantly increased root biomass. Compared to the low-accumulator HB, non-inoculated Cd-exposed SX plants had higher chlorophyll contents, and rhizobium-inoculated Cd-exposed SX plants had higher Pn, Tr, and Gs as well as higher levels of P, K, Fe, Ca, Zn, and Cu. In conclusion, the high- and low-Cd-accumulator exhibited different physiological responses to Cd exposure. Overall, rhizobium-inoculation of black locust promoted the growth and heavy metal absorption, providing an effective strategy for the phytoremediation of heavy metal-contaminated soils by this woody legume.
[Display omitted]
•The presence of rhizobia significantly enhanced Cd accumulation.•Rhizobium inoculation increased Cd root-to-shoot TF.•Rhizobium inoculation promoted mineral element absorption.•Rhizobium inoculation enhanced the tolerance of low-Cd accumulator to Cd.•Black locust can be a potential woody plant in phytoremediation.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>38307241</pmid><doi>10.1016/j.envpol.2024.123456</doi><tpages>1</tpages><orcidid>https://orcid.org/0000-0001-6915-0953</orcidid><orcidid>https://orcid.org/0000-0002-5473-4902</orcidid><orcidid>https://orcid.org/0000-0002-0775-3617</orcidid><orcidid>https://orcid.org/0000-0002-1278-4469</orcidid></addata></record> |
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subjects | Black locust Cadmium exposure Mineral elements Photosynthesis Phytoremediation Rhizobia |
title | Physiological responses of low- and high-cadmium accumulating Robinia pseudoacacia-rhizobium symbioses to cadmium stress |
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