Article
Environmental Sciences
Huimin Wei, Lu Zhang, Zhi Wang
Summary: The co-pollution of antibiotics and heavy metal copper in freshwater environments is common, but their effects on aquatic plants are unclear. This study found that four antibiotics had toxic effects on the growth and physiology of Hydrilla verticillata, with root elongation being the most sensitive indicator. Antagonistic toxic effects were observed when antibiotics and copper were combined. The low concentrations of antibiotics in natural waters may pose a low ecological risk to aquatic plants.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Green & Sustainable Science & Technology
Xin Lv, Songhe Zhang, Lisha Zhang, Shaozhuang Guo, Yu Ma, Tiantian Zhou
Summary: This study investigated nutrient transfer and microbial community shift during the decomposition of submerged macrophyte Hydrillaverticillata in flowing water and static water environments. The results showed that water flow stimulated cellulase activity and influenced nutrient transfer. Turnover affected microbial diversity, and water flow improved microbial community stability and altered the microbial food web.
JOURNAL OF CLEANER PRODUCTION
(2023)
Article
Cell Biology
Jan van der Beek, Cecilia de Heus, Nalan Liv, Judith Klumperman
Summary: The study investigates the distribution of key endosomal regulators within cells using a quantitative on-section correlative light and electron microscopy approach. Rab5 predominantly marks early endosomes, while EEA1 colocalizes with Rab5 on early endosomes and also labels late endosomes. APPL1 is restricted to small Rab5-positive vesicular profiles, and Rab7 primarily labels late endosomes and lysosomes.
JOURNAL OF CELL BIOLOGY
(2021)
Article
Agronomy
Mirella F. Ortiz, Scott J. Nissen, Franck E. Dayan
Summary: The combination of endothall and florpyrauxifen-benzyl does not significantly affect herbicide accumulation in Hydrilla verticillata populations. However, there are changes in herbicide behavior, particularly in shoot-to-root translocation of florpyrauxifen-benzyl when applied in combination with endothall.
Article
Environmental Sciences
Peng Xu, En-Rong Xiao, Feng He, Dong Xu, Yi Zhang, Zhenbin Wu
Summary: The presence of Hydrilla verticillata improved power generation in sediment microbial fuel cells using algae as substrates. Algal decomposition experienced two periods, initially enhancing algal retention in sediments and later alleviating NH4+ toxicity to plant roots. Electrogenesis promoted N-fixing capacity in the rhizosphere, leading to increased production of submerged macrophytes.
Article
Environmental Sciences
Huimin Li, Yaguang Li, Deying Huang, Liu Zhang, Jilai Lu, Jibiao Zhang
Summary: The study found that water depth is a key factor influencing the morphological and physiological regulation of Hydrilla verticillata, with depths of 0.9-1.2m being optimal for improving water quality and enhancing the removal of total phosphorus and protein-like molecules, while minimizing photosynthesis inhibition.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Article
Green & Sustainable Science & Technology
Shunmei Zhu, Xiaodong Wu, Mengdie Zhou, Xuguang Ge, Xingqiang Yang, Nuoxi Wang, Xiaowen Lin, Zhenguo Li
Summary: This research investigated the effects of harvesting intensity on the growth of Hydrilla verticillata and water quality. It was found that medium and low harvesting intensities effectively controlled the growth of Hydrilla verticillata and improved water quality.
Article
Environmental Sciences
Gui Yu, Suzhen Huang, Xingzhang Luo, Wei Zhao, Zheng Zheng
Summary: Nano- and microplastics pose severe risks to the ecological environment, with potential toxic effects on aquatic organisms and the potential for compound pollution. This study investigated the toxic effects of polystyrene nanoplastics (PS-NPs) and bisphenol F (BPF) on submerged macrophytes, revealing their impact on growth, physiological characteristics, and leaf biofilm properties.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Marine & Freshwater Biology
Xiangdong Liu, Zhiyong Hou, Feng Li, Yonghong Xie, Yang Li, Xiaoying Yu
Summary: This study examined the competition between Potamogeton malaianus and Hydrilla verticillata under different water levels. The results showed that both species increased in height as the water level rose. In most treatments, above-ground parts grew better than below-ground parts. In low water level environments, the competitive relationship between submerged plants switched to a facilitative relationship as the water level decreased (stress increased).
Article
Environmental Sciences
Yiping Wang, Xiaoguang Xu, Siyuan Zhang, Xinhou Zhang, Zhuoma Ga, Qing Yan, Yongjun Lu, Liqin Zuo, Guoxiang Wang
Summary: Our study reveals the impact of community composition on the vertical distribution of leaf characteristics in submerged macrophytes in freshwater lakes. In deep areas, upper leaves have a higher quantity of attached abiotic biofilm, with all biofilm characteristics decreasing from top to bottom segments. In shallow areas, the amount of attached biofilm is lower in mixed communities compared to single communities, but the opposite is true in deep areas. The mixed community shows distinct vertical patterns of leaf physiology characteristics. Leaf pigment concentrations increase with water depth in shallow areas, while enzymatic specific activity of peroxidase (POD-ESA) shows the opposite trend. In deep areas, chlorophyll concentrations are highest in bottom leaves and lowest in top leaves, while carotenoids and POD-ESA are highest in middle segment-II leaves. Light intensity and biofilm play important roles in regulating the vertical distribution of photosynthetic pigments and POD-ESA.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Environmental Sciences
Danlu Shi, Kai Zhuang, Yahua Chen, Zhubing Hu, Zhenguo Shen
Summary: The study revealed that under higher concentrations of copper treatment, mature leaves of Hydrilla verticillata suffered more severe decreases in chlorophyll and damages to leaf surface structure and chloroplast ultrastructure compared to young leaves, which may be attributed to distinct cell wall composition. Mature leaves showed significantly higher concentrations of total and bound copper in cell walls due to higher uronic acid content, indicating their greater efficiency in copper uptake and accumulation.
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
(2021)
Article
Environmental Sciences
Mingzhe Dai, Yayu Xiao, Tao Wang, Jun Xu, Yuyu Wang
Summary: Eutrophication poses a major threat to shallow lake ecosystems, leading to the degradation of submerged plants. The effects of changes in water nutrient content on the growth of submerged plants and the underlying mechanisms are still unclear. This study simulated gradients of water N:P ratio in lakes and explored the stoichiometric characteristics of two submerged plants, Hydrilla verticillata and Vallisneria natans. The results indicate that excessive nitrogen absorption may be an important reason for the degradation of submerged vegetation during lake eutrophication.
Article
Marine & Freshwater Biology
Ling Su, Zongan Jin, Lichao Xie, Yali Tang, Zhengwen Liu, Ping Zhong, Yaling Su, Qiuqi Lin
Summary: Experimental findings suggest that submerged macrophytes can provide a carbon source to zooplankton through heterotrophic bacteria and epibacteria attached to the plants, with a carbon contribution of 30.5% to epibacteria and 14.7% to zooplankton.
Article
Engineering, Environmental
Honghong Li, Zhou Li, Shengcong Xie, Yongxin Huang, Miaofen Chen, Tuanhui Xie, Guo Wang
Summary: The study revealed that biochar can increase biomass in rice tissues, significantly reduce zinc concentration in rice grains, and also improve soil conditions by decreasing available zinc content, transforming its immobile forms, and reducing toxic effects in rice plants.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2022)
Review
Agronomy
Anton E. S. Patrick, Singarayer Florentine
Summary: The study focuses on the global adaptability and distribution patterns of Hydrilla verticillata to climate change, recognizing both natural and anthropogenic influences on these changes. Identifying the interactions between climatic factors and other environmental factors is necessary for establishing effective management strategies.
Article
Plant Sciences
Wanli You, Jinglin Zhang, Xueyin Ru, Feng Xu, Zhengguo Wu, Peng Jin, Yonghua Zheng, Shifeng Cao
Summary: This study investigated the effect of calcium chloride (CaCl2) treatment on GABA accumulation in fresh-cut cantaloupe and the underlying mechanisms. The results showed that CaCl2 treatment increased GABA content and the activities of GAD and SSADH enzymes, while reducing glutamate content and GABA-T activity. Additionally, CaCl2 treatment upregulated the expressions of CmCML11 and CmCAMTA5, as well as several GABA shunt genes, through the transcriptional activation by CmCAMTA5. Furthermore, the interaction between CmCML11 and CmCAMTA5 enhanced the transcriptional activation of GABA shunt genes. Overall, this study reveals that CaCl2 treatment promotes GABA accumulation in fresh-cut cantaloupe through the combined effect of CmCML11 and CmCAMTA5 in regulating the expressions of GABA shunt genes.
PLANT PHYSIOLOGY AND BIOCHEMISTRY
(2024)
Article
Plant Sciences
Min Wang, Yupeng Wang, Xiaohui Wang, Guangwei Wei, Huiyi Yang, Xi Yang, Tinghai Shen, Huijie Qu, Sheng Fang, Ziming Wu
Summary: This study identified the high nitrogen use efficiency (NUE) black sesame variety 17-156 and analyzed its underlying physiological and molecular mechanisms. The results showed that 17-156 possesses a sophisticated nitrogen metabolizing machinery to uptake and assimilate higher quantities of inorganic nitrogen, simultaneously improving carbon metabolism and growth. Many important genes were up-regulated in 17-156 under high nitrogen condition. Additionally, 38 potential candidate genes were identified for future studies to improve sesame's NUE. These findings provide valuable resources for understanding the regulatory network of nitrogen metabolism and developing sesame cultivars with improved NUE.
PLANT PHYSIOLOGY AND BIOCHEMISTRY
(2024)
Article
Plant Sciences
He Dong, Chongmei Xu, Chengtao Zhang, Li Zhang, Yaqin Yao, Suiqi Zhang
Summary: The study found that short cells in maize leaves not only improve leaf mechanical support and photosynthetic performance, enhance drought resistance, but also participate in stomatal regulation.
PLANT PHYSIOLOGY AND BIOCHEMISTRY
(2024)
Article
Plant Sciences
Na Liu, Wenyan Shang, Mengxin Guan, Jibin Xiao, Guangxiang Tian, Baozhan Ma, Wenjing Shang, Xu Li, Shijia Zhao, Chuang Li, Kun Cheng, Wenming Zheng
Summary: This study cloned the full-length cDNA sequence of TaSPX3 gene in wheat and found that TaSPX3 responds to low phosphorus stress in multiple wheat genotypes. Overexpressing TaSPX3 can alleviate phosphorus deficiency symptoms and promote plant growth in Arabidopsis. The study also revealed the interaction of TaSPX3 with other genes related to the phosphorus starvation signaling pathway.
PLANT PHYSIOLOGY AND BIOCHEMISTRY
(2024)
Article
Plant Sciences
Kongyuan Wu, Lizhen Wang, Zihan Wu, Ziqing Liu, Zengfei Li, Jun Shen, Shengjie Shi, Hong Liu, Christopher Rensing, Renwei Feng
Summary: Selenium (Se) can reduce uptake and translocation of cadmium (Cd) in plants by regulating root morphology. This study investigated the effects of Se(IV) on root exudates, root morphology, root endogenous hormones, and Cd uptake efficiency in rice under Cd stress. The results showed that Se(IV) significantly reduced Cd concentrations in shoots and roots, and decreased Cd uptake efficiency via root hairs. Se(IV) also affected root morphology, root exudates, and the synthesis of hormones like IAA and JA. However, transcriptome analysis revealed no upregulated differentially expressed genes (DEGs) in IAA synthesis.
PLANT PHYSIOLOGY AND BIOCHEMISTRY
(2024)
Article
Plant Sciences
Di Wang, Huaifang Zhang, Xuefei Hu, Haizhen Zhang, Shuang Feng, Aimin Zhou
Summary: This study identified a cell number regulator gene called SlCNR8 in willow, which enhances resistance to trace metals in transgenic poplar seedlings. SlCNR8 reduces Cd uptake and accumulation, and can be used as a candidate gene for genetic improvement of phytostabilisation of trace metals.
PLANT PHYSIOLOGY AND BIOCHEMISTRY
(2024)
