Abstract：
:Greenhouse hydroponic experiments were conducted using Cd-sensitive (cv. Guiyan1) and Cd-tolerant (cv. Yunyan2) tobacco cultivars to study the ameliorative effects of exogenous glycinebetaine (GB) upon 5 μM Cd stress. The foliar spray of GB markedly reduced Cd concentrations in plants and alleviated Cd-induced soil plant analysis development (SPAD) value, plant height and root length inhibition, with the mitigation effect being more obvious in Yunyan2. External GB markedly reduced Cd-induced malondialdehyde (MDA) accumulation, induced stomatal closure, ameliorated Cd-induced damages on leaf/root ultrastructure, and increased the chlorophyll content and fluorescence parameters of Fo, Fm, and Fv/Fm in both cultivars and Pn in Yunyan2. Exogenous GB counteracted Cd-induced alterations of certain antioxidant enzymes and nutrients uptake, e.g., the depressed Cd-induced increase of superoxide dismutase (SOD) and peroxidase (POD) activities, but significantly elevated the depressed catalase (CAT) and ascorbate peroxidase (APX) activities. The results indicate that alleviated Cd toxicity by GB application is related to the reduced Cd uptake and MDA accumulation, balanced nutrients and antioxidant enzyme activities, improved PSII, and integrated ultrastructure in tobacco plants.
journal_name
Int J Mol Scijournal_title
International journal of molecular sciencesauthors
He X,Richmond MEA,Williams DV,Zheng W,Wu Fdoi
10.3390/ijms20071612subject
Has Abstractpub_date
2019-03-31 00:00:00issue
7issn
1422-0067pii
ijms20071612journal_volume
20pub_type
杂志文章abstract：:The treatment of cancer has been slowly but steadily progressing during the last fifty years. Some tumors with a high mortality in the past are curable nowadays. However, there is one striking exception: glioblastoma multiforme. No real breakthrough has been hitherto achieved with this tumor with ominous prognosis and...
journal_title：International journal of molecular sciences
pub_type： 杂志文章,评审
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journal_title：International journal of molecular sciences
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更新日期：2020-03-06 00:00:00
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journal_title：International journal of molecular sciences
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更新日期：2019-04-06 00:00:00
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journal_title：International journal of molecular sciences
pub_type： 杂志文章,评审
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更新日期：2018-10-30 00:00:00
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journal_title：International journal of molecular sciences
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journal_title：International journal of molecular sciences
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journal_title：International journal of molecular sciences
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journal_title：International journal of molecular sciences
pub_type： 杂志文章,评审
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journal_title：International journal of molecular sciences
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journal_title：International journal of molecular sciences
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journal_title：International journal of molecular sciences
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更新日期：2020-12-10 00:00:00
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journal_title：International journal of molecular sciences
pub_type： 杂志文章,评审
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更新日期：2020-02-25 00:00:00
abstract：:Brassica campestris L., a hyperaccumulator of cadmium (Cd), is considered a candidate plant for efficient phytoremediation. The hairy roots of Brassica campestris L are chosen here as a model plant system to investigate the response mechanism of Brassica campestris L. to Cd stress. High-throughput sequencing technolog...
journal_title：International journal of molecular sciences
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更新日期：2019-12-26 00:00:00
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更新日期：2018-02-22 00:00:00
abstract：:Hibiscus aridicola (Malvaceae) is an endangered ornamental shrub endemic to the dry-hot valleys of Jinsha River in southwest China. Only four natural populations of H. aridicola exist in the wild according to our field investigation. It can be inferred that H. aridicola is facing a very high risk of extinction in the ...
journal_title：International journal of molecular sciences
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doi：10.3390/ijms12095698
更新日期：2011-01-01 00:00:00
