期刊论文

Analysis of carbon metabolism and differential expression of related enzyme genes in castor leaves under Pb and Zn stress

Jiang, L.-J.

中文

植物生理与分子生物学学报

1671-3877

2019

55

4

483-492

10.13592/j.cnki.ppj.2018.0456

“十二五”国家科技支撑计划(2015BAD15B02) 湖南省重点研发项目(2016SK2031).

本校为第一且通讯机构

以蓖麻为材料,在现蕾期前持续铅锌胁迫,分析此过程中植株叶片可溶性糖和淀粉含量变化及糖代谢关键酶基因表达特点。结果表明:叶片可溶性糖含量在0.0015 mol·kg~(-1)单一Pb~(2+)胁迫处理植株中最高,其次是0.0005 mol·kg~(-1) Pb~(2+)+0.0015 mol·kg~(-1) Zn~(2+)复合胁迫处理植株;叶片淀粉含量在0.0030 mol·kg~(-1)单一Zn~(2+)处理植株中最高,其次是浓度0.0015 mol·kg~(-1)单一Pb~(2+)胁迫处理的植株。铅锌复合胁迫处理植株叶片中可溶性糖和淀粉累积量均高于对照,且当铅锌单一胁迫浓度分别为0.0020和0.0060 mol·kg~(-1)时,可溶性糖含量较对照无显著差异,淀粉含量较对照存在显著差异,同时,差...

The lead and zinc stress of castor was carried out before the bud stage. The changes of soluble sugar and starch content and the expression of key enzymes gene in carbon metabolism were analyzed. The results showed that the leaf soluble content was the highest in 0.0015 mol•kg-1 single Pb2+ stress treatment, followed by 0.0005 mol•kg-1 Pb2++0.0015 mol•kg-1 Zn2+ combined stress treatment; the leaf starch content was the highest in 0.0030 mol•kg-1 among the Zn2+ treated plants, followed by the plants treated with a single Pb2+ stress at a con...