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- Title
Effects of CdCl<sub>2</sub> on grape root mitochondrial characteristics and root activity.
- Authors
Shao Xiao-jie; Yang Hong-qiang; Qiao Hai-tao; Zhang Long; You Shu-zhen
- Abstract
Taking the one-year cutting-seedlings of four grape cultivars (Kyoho, Muscat Hamburg, Long Yan, and Ze Xiang) as test materials, their root mitochondr ial hydrogen peroxide (H2O2) content, membrane permeability transition pore (MPTP), membrane potential (Δψ), cytochrome C (Cyt c) content, and root activity were measured under effects of CdCl2. For all test grape cultivars, the root mitochondrial H2O2 content and MPTP increased, but the Δψ, Cyt c content, and root activity decreased after treated with 0.5 mmol CdCl2∙L-1. The m itochondrial H2O2 content and Cyt c content were in the sequence of Kyoho > Ze Xiang > Muscat Hamburg > Long Yan, while the root activity, MPTP, and Δψ were in ad verse, i.e., Long Yan > Muscat Hamburg > Ze Xiang > Kyoho. Among the test grape cultivars, the root activity of Kyoho was easier to be inhibited under Cd stress, while t hat of Long Yan was least affected by CdCl2.
- Subjects
GRAPES; VITICULTURE; CULTIVARS; PLANT roots; MITOCHONDRIAL DNA; HYDROGEN peroxide; CYTOCHROME c; PERMEABILITY; PHYSIOLOGICAL effects of cadmium
- Publication
Chinese Journal of Applied Ecology / Yingyong Shengtai Xuebao, 2009, Vol 20, Issue 6, p1390
- ISSN
1001-9332
- Publication type
Article