IGSNRR OpenIR
蜈蚣草中砷的亚细胞分布与区隔化作用
陈同斌; 阎秀兰; 廖晓勇; 肖细元; 黄泽春; 谢华; 翟丽梅
2005
Source Publication科学通报
ISSN0023-074X
Volume050Issue:024Pages:2739
Abstract通过对砷的亚细胞分布研究,揭示砷超富集植物蜈蚣草中砷的区隔化效应,及其对砷的耐性机理.在不加砷条件下,蜈蚣草吸收的少量砷主要被固定在细胞壁上;在加砷条件下,蜈蚣草羽片砷积累量占植株总砷量的78%,其中羽片积累的砷有78%分布在羽片胞液(cytoplasmic supernatant)中,整株植物累积的砷有61%富集在羽片胞液中.而细胞器组分始终维持较低的砷浓度水平.研究发现,蜈蚣草羽片胞液是砷的主要储存部位,胞液对砷具有非常明显的区隔化作用,这种区隔化作用可能是蜈蚣草能够解除砷毒的重要原因.
Language英语
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/86672
Collection中国科学院地理科学与资源研究所
Affiliation中国科学院地理科学与资源研究所
First Author Affilication中国科学院地理科学与资源研究所
Recommended Citation
GB/T 7714
陈同斌,阎秀兰,廖晓勇,等. 蜈蚣草中砷的亚细胞分布与区隔化作用[J]. 科学通报,2005,050(024):2739.
APA 陈同斌.,阎秀兰.,廖晓勇.,肖细元.,黄泽春.,...&翟丽梅.(2005).蜈蚣草中砷的亚细胞分布与区隔化作用.科学通报,050(024),2739.
MLA 陈同斌,et al."蜈蚣草中砷的亚细胞分布与区隔化作用".科学通报 050.024(2005):2739.
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