Zinc Hyperaccumulation in Plants: A Review

被引：160
作者：
Balafrej, Habiba [1 ]
Bogusz, Didier [2 ]
Triqui, Zine-El Abidine [1 ]
Guedira, Abdelkarim [1 ]
Bendaou, Najib [1 ]
Smouni, Abdelaziz [1 ]
Fahr, Mouna [1 ]
机构：
[1] Univ Mohammed V Rabat, Fac Sci, Ctr Biotechnol Vegetale & Microbienne Biodiversit, Lab Biotechnol & Physiol Veget, Rabat 10000, Morocco
[2] Univ Montpellier 2, Inst Rech Dev, Equipe Rhizogenese, Unite Mixte Rech Diversite Adaptat & Dev Plantes, F-34394 Montpellier, France
来源：
PLANTS-BASEL | 2020年 / 9卷 / 05期
关键词：
zinc; hyperaccumulation; bioavailability; tolerance; molecular mechanisms; plants; INDUCED OXIDATIVE STRESS; THLASPI-CAERULESCENS; HEAVY-METAL; ARABIDOPSIS-HALLERI; SEDUM-ALFREDII; NICOTIANAMINE SYNTHASE; ZN TOXICITY; NOCCAEA-CAERULESCENS; SEED-GERMINATION; REACTIVE OXYGEN;
D O I：
10.3390/plants9050562
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Zinc is an essential microelement involved in many aspects of plant growth and development. Abnormal zinc amounts, mostly due to human activities, can be toxic to flora, fauna, and humans. In plants, excess zinc causes morphological, biochemical, and physiological disorders. Some plants have the ability to resist and even accumulate zinc in their tissues. To date, 28 plant species have been described as zinc hyperaccumulators. These plants display several morphological, physiological, and biochemical adaptations resulting from the activation of molecular Zn hyperaccumulation mechanisms. These adaptations can be varied between species and within populations. In this review, we describe the physiological and biochemical as well as molecular mechanisms involved in zinc hyperaccumulation in plants.
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页数：22
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