Petrovic Dragana, Krivokapic Sladjana
Department of Biology, Faculty of Natural Sciences and Mathematics, University of Montenegro, Podgorica 81000, Montenegro.
Plants (Basel). 2020 Sep 29;9(10):1287. doi: 10.3390/plants9101287.
The aim of the present study is to investigate the bioaccumulation and translocation of various heavy metals, notably copper, zinc, cadmium and lead, in the different plant organs of L. (the root, stem, and leaf) at nine sampling locations, as well as examining the variability in proline accumulation and chlorophyll content due to these heavy metals. Our analysis shows the existence of a statistically significant positive correlation ( = 0.75; < 0.05) between the Zn content and the accumulation of proline in the root of the examined species. On the other hand, a statistically significant negative correlation was registered between the content of chlorophyll and the concentration of Zn in the leaf ( = -0.68; < 0.05). This indicates that L. can be used in biomonitoring Zn-polluted aquatic ecosystems using proline and chlorophyll as sensitive biomarkers.
本研究的目的是调查9个采样地点的狐尾藻不同植物器官（根、茎和叶）中各种重金属，特别是铜、锌、镉和铅的生物积累和转运情况，以及研究这些重金属导致的脯氨酸积累和叶绿素含量的变化。我们的分析表明，在所研究物种的根中，锌含量与脯氨酸积累之间存在统计学上显著的正相关（r = 0.75；p < 0.05）。另一方面，叶片中叶绿素含量与锌浓度之间存在统计学上显著的负相关（r = -0.68；p < 0.05）。这表明狐尾藻可以以脯氨酸和叶绿素作为敏感生物标志物用于生物监测锌污染的水生生态系统。
