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Cadmium toxicity symptoms and uptake mechanism in plants: a review / Sintomas de toxicidade de cádmio e mecanismo de absorção em plantas: uma revisão
Shaari, N. E. M; Tajudin, M. T. F. M; Khandaker, M. M; Majrashi, A; Alenazi, M. M; Abdullahi, U. A; Mohd, K. S.
Affiliation
  • Shaari, N. E. M; Universiti Sultan Zainal Abidin. School of Agriculture Science and Biotechnology. Faculty of Bioresources and Food Industry. Besut. MY
  • Tajudin, M. T. F. M; Universiti Sultan Zainal Abidin. School of Agriculture Science and Biotechnology. Faculty of Bioresources and Food Industry. Besut. MY
  • Khandaker, M. M; Universiti Sultan Zainal Abidin. School of Agriculture Science and Biotechnology. Faculty of Bioresources and Food Industry. Besut. MY
  • Majrashi, A; Taif University. Faculty of Science. Department of Biology. Taif. SA
  • Alenazi, M. M; King Saud University. College of Food and Agricultural Sciences. Plant Production Department. Riyadh. SA
  • Abdullahi, U. A; Universiti Sultan Zainal Abidin. School of Agriculture Science and Biotechnology. Faculty of Bioresources and Food Industry. Besut. MY
  • Mohd, K. S; Universiti Sultan Zainal Abidin. School of Agriculture Science and Biotechnology. Faculty of Bioresources and Food Industry. Besut. MY
Braz. j. biol ; 84: e252143, 2024. tab, ilus
Article in English | LILACS, VETINDEX | ID: biblio-1364526
Responsible library: BR68.1
Localization: BR68.1
ABSTRACT
Cadmium (Cd) is one of non-essential heavy metals which is released into environment naturally or anthropogenically. It is highly persistent toxic metals that are exceptionally distressing industrial and agriculture activities by contaminating soil, water and food. Its long-duration endurance in soil and water results in accumulation and uptake into plants, leading to the food chain. This becomes a serious global problem threatening humans and animals as food chain components. Living organisms, especially humans, are exposed to Cd through plants as one of the main vegetative food sources. This review paper is concentrated on the symptoms of the plants affected by Cd toxicity. The absorption of Cd triggers several seen and unseen symptoms by polluted plants such as stunted growth, chlorosis, necrosis and wilting. Apart from that, factors that affect the uptake and translocation of Cd in plants are elaborated to understand the mechanism that contributes to its accumulation. By insight of Cd accumulation, this review also discussed the phytoremediation techniques-phytoextraction, phytostimulation, phytostabilization, phytovolatization and rhizofiltration in bioremediating the Cd.
RESUMO
O cádmio (Cd) é um dos metais pesados ​​não essenciais que é liberado no meio ambiente de forma natural ou antropogênica. São metais tóxicos altamente persistentes que prejudicam excepcionalmente as atividades industriais e agrícolas, contaminando o solo, a água e os alimentos. Sua resistência de longa duração no solo e na água resulta em acúmulo e absorção pelas plantas, levando à cadeia alimentar. Isso se torna um sério problema global que ameaça humanos e animais como componentes da cadeia alimentar. Os organismos vivos, principalmente os humanos, são expostos ao Cd através das plantas como uma das principais fontes de alimento vegetativo. Este artigo de revisão concentra-se nos sintomas das plantas afetadas pela toxicidade do Cd. A absorção de Cd desencadeia vários sintomas visíveis e invisíveis por plantas poluídas, como crescimento atrofiado, clorose, necrose e murcha. Além disso, são elaborados fatores que afetam a absorção e translocação de Cd nas plantas para entender o mecanismo que contribui para o seu acúmulo. A partir do conhecimento do acúmulo de Cd, esta revisão também discutiu as técnicas de fitorremediação - fitoextração, fitoestimulação, fitoestabilização, fitovolatização e rizofiltração na biorremediação do Cd.
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Subject(s)


Full text: Available Database: LILACS / VETINDEX Main subject: Plants / Cadmium / Metals, Heavy / Food Type of study: Diagnostic study Language: English Journal: Braz. j. biol Year: 2024 Document type: Article Institution/Affiliation country: King Saud University/SA / Taif University/SA / Universiti Sultan Zainal Abidin/MY

Full text: Available Database: LILACS / VETINDEX Main subject: Plants / Cadmium / Metals, Heavy / Food Type of study: Diagnostic study Language: English Journal: Braz. j. biol Year: 2024 Document type: Article Institution/Affiliation country: King Saud University/SA / Taif University/SA / Universiti Sultan Zainal Abidin/MY
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