Xueman Ma, Jianyao Zeng, Y. He, Zihan Xu, Wenquiao Wang, Yunwen Yang, L. Yang
{"title":"浮萍体内镉的积累与镉休克时pH和草酸盐的合成有关","authors":"Xueman Ma, Jianyao Zeng, Y. He, Zihan Xu, Wenquiao Wang, Yunwen Yang, L. Yang","doi":"10.57257/japm-d-23-00002","DOIUrl":null,"url":null,"abstract":"Anthropogenic activities increase cadmium (Cd) pollution in aquatic systems. This study investigated how the pH change from 4.3 to 7.3 affected the absorption of Cd by the aquatic plant duckweed ( Lemna turionifera 5511). Here, the noninvasive microtest technique (NMT), high-performance liquid chromatography (HPLC), and transcriptome analysis were used to study the duckweed’s Cd absorption and the oxalic acid metabolism under different pH conditions. The results showed the highest Cd accumulation in duckweed with pH at 6.3. Furthermore, the Cd influx was higher at the root tip of duckweed cultured in a liquid medium at pH 6.3. Notably, Cd stress changed the pH value and H þ influx in duckweed roots, and significantly upregulated the Na þ /H þ exchange transporters. Moreover, duckweed was shown to have enhanced oxalate acid secretion and signifi-cantly upregulated biosynthesis-related genes under Cd stress. Therefore, these analyses suggest that Na þ /H þ exchange transporters and oxalic acid might affect Cd accumulation, which could provide new ideas for phytoremediating Cd pollution using duckweed.","PeriodicalId":1,"journal":{"name":"Accounts of Chemical Research","volume":null,"pages":null},"PeriodicalIF":16.4000,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Cadmium accumulation in duckweed relates to pH and oxalate synthesis in Cd shock\",\"authors\":\"Xueman Ma, Jianyao Zeng, Y. He, Zihan Xu, Wenquiao Wang, Yunwen Yang, L. Yang\",\"doi\":\"10.57257/japm-d-23-00002\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Anthropogenic activities increase cadmium (Cd) pollution in aquatic systems. This study investigated how the pH change from 4.3 to 7.3 affected the absorption of Cd by the aquatic plant duckweed ( Lemna turionifera 5511). Here, the noninvasive microtest technique (NMT), high-performance liquid chromatography (HPLC), and transcriptome analysis were used to study the duckweed’s Cd absorption and the oxalic acid metabolism under different pH conditions. The results showed the highest Cd accumulation in duckweed with pH at 6.3. Furthermore, the Cd influx was higher at the root tip of duckweed cultured in a liquid medium at pH 6.3. Notably, Cd stress changed the pH value and H þ influx in duckweed roots, and significantly upregulated the Na þ /H þ exchange transporters. Moreover, duckweed was shown to have enhanced oxalate acid secretion and signifi-cantly upregulated biosynthesis-related genes under Cd stress. Therefore, these analyses suggest that Na þ /H þ exchange transporters and oxalic acid might affect Cd accumulation, which could provide new ideas for phytoremediating Cd pollution using duckweed.\",\"PeriodicalId\":1,\"journal\":{\"name\":\"Accounts of Chemical Research\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":16.4000,\"publicationDate\":\"2023-07-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Accounts of Chemical Research\",\"FirstCategoryId\":\"99\",\"ListUrlMain\":\"https://doi.org/10.57257/japm-d-23-00002\",\"RegionNum\":1,\"RegionCategory\":\"化学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"CHEMISTRY, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Accounts of Chemical Research","FirstCategoryId":"99","ListUrlMain":"https://doi.org/10.57257/japm-d-23-00002","RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
Cadmium accumulation in duckweed relates to pH and oxalate synthesis in Cd shock
Anthropogenic activities increase cadmium (Cd) pollution in aquatic systems. This study investigated how the pH change from 4.3 to 7.3 affected the absorption of Cd by the aquatic plant duckweed ( Lemna turionifera 5511). Here, the noninvasive microtest technique (NMT), high-performance liquid chromatography (HPLC), and transcriptome analysis were used to study the duckweed’s Cd absorption and the oxalic acid metabolism under different pH conditions. The results showed the highest Cd accumulation in duckweed with pH at 6.3. Furthermore, the Cd influx was higher at the root tip of duckweed cultured in a liquid medium at pH 6.3. Notably, Cd stress changed the pH value and H þ influx in duckweed roots, and significantly upregulated the Na þ /H þ exchange transporters. Moreover, duckweed was shown to have enhanced oxalate acid secretion and signifi-cantly upregulated biosynthesis-related genes under Cd stress. Therefore, these analyses suggest that Na þ /H þ exchange transporters and oxalic acid might affect Cd accumulation, which could provide new ideas for phytoremediating Cd pollution using duckweed.
期刊介绍:
Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance.
Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.