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学者姓名：张桃香
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Abstract ：
以土生空团菌（Cenococcum geophilum）和马尾松（Pinus massoniana）幼苗为研究对象，选用9种不同遗传型土生空团菌（C
Keyword ：
土壤理化性质 土壤理化性质 土生空团菌 土生空团菌 生长指标 生长指标 马尾松 马尾松
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| GB/T 7714 | 张玉虎 , 闫添艺 , 张骁 et al. 不同遗传型土生空团菌对马尾松生长影响及促生效果评价 [J]. | 东北林业大学学报 , 2025 , 53 (06) : 88-97 . |
| MLA | 张玉虎 et al. "不同遗传型土生空团菌对马尾松生长影响及促生效果评价" . | 东北林业大学学报 53 . 06 (2025) : 88-97 . |
| APA | 张玉虎 , 闫添艺 , 张骁 , 钟诗焕 , 张桃香 . 不同遗传型土生空团菌对马尾松生长影响及促生效果评价 . | 东北林业大学学报 , 2025 , 53 (06) , 88-97 . |
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| GB/T 7714 | Shi, An , Xu, Junlong , Guo, Yingmin et al. "Jasmonic acid's impact on Sedum alfredii growth and cadmium tolerance: A physiological and transcriptomic study" (vol 914, 169939, 2024) [J]. | SCIENCE OF THE TOTAL ENVIRONMENT , 2024 , 927 . |
| MLA | Shi, An et al. ""Jasmonic acid's impact on Sedum alfredii growth and cadmium tolerance: A physiological and transcriptomic study" (vol 914, 169939, 2024)" . | SCIENCE OF THE TOTAL ENVIRONMENT 927 (2024) . |
| APA | Shi, An , Xu, Junlong , Guo, Yingmin , Rensing, Christopher , Chang, Jinqing , Zhang, Taoxiang et al. "Jasmonic acid's impact on Sedum alfredii growth and cadmium tolerance: A physiological and transcriptomic study" (vol 914, 169939, 2024) . | SCIENCE OF THE TOTAL ENVIRONMENT , 2024 , 927 . |
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Nitrogen (N) is of great significance to the absorption, distribution and detoxification of cadmium (Cd). Ectomycorrhizal fungi (EMF) are able to affect the key processes of plant N uptake to resist Cd stress, while the mechanism is still unclear. Therefore, we explored potential strategies of Cenococcum geophilum (C. geophilum) symbiosis to alleviate Cd stress in Pinus massoniana (P. massoniana) from the perspective of plant N metabolism and soil N transformation. The results showed that inoculation of C. geophilum significantly increased the activities of NR, NIR and GS in the shoots and roots of P. massoniana, thereby promoting the assimilation of NO3- and NH4+ into amino acids. Moreover, C. geophilum promoted soil urease and protease activities, but decreased soil NH4+ content, indicating that C. geophilum might increase plant uptake of soil inorganic N. RT-qPCR results showed that C3 symbiosis significantly up-regulated the expression of genes encoding functions involved in NH4+ uptake (AMT3;1), NO3- uptake (NRT2.1, NRT2.4, NRT2.9 ), as well as Cd resistance (ABCC1 and ABCC2), meanwhile down-regulated the expression of NRT7.3, Cd transporter genes (HMA2 and NRAMP3) in the roots of P. massoniana seedlings. These results demonstrated that C. geophilum was able to alleviate Cd stress by increasing the absorption and assimilation of inorganic N in plants and inhibiting the transport of Cd from roots to shoots, which provided new insights into how EMF improved host resistance to abiotic stress. © 2024, The Authors. All rights reserved.
Keyword ：
Cadmium Cadmium Detoxification Detoxification Fungi Fungi Genes Genes Metabolism Metabolism Nitrogen Nitrogen Polymerase chain reaction Polymerase chain reaction Soils Soils
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| GB/T 7714 | Zhang, Panpan , Pang, Wenbo , Zhang, Yuhu et al. Cenococcum Geophilum Impedes Cadmium Toxicity In Pinus Massoniana By Modulating Nitrogen Metabolism [J]. | SSRN , 2024 . |
| MLA | Zhang, Panpan et al. "Cenococcum Geophilum Impedes Cadmium Toxicity In Pinus Massoniana By Modulating Nitrogen Metabolism" . | SSRN (2024) . |
| APA | Zhang, Panpan , Pang, Wenbo , Zhang, Yuhu , Alonazi, Madeha A. , Alwathnani, Hend , Rensing, Christopher et al. Cenococcum Geophilum Impedes Cadmium Toxicity In Pinus Massoniana By Modulating Nitrogen Metabolism . | SSRN , 2024 . |
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Soil cadmium (Cd) pollution is escalating, necessitating effective remediation strategies. This study investigated the effects of exogenous jasmonic acid (JA) on Sedum alfredii Hance under Cd stress, aiming to enhance its phytoextraction efficiency. Initially, experiments were conducted to assess the impact of various concentrations of JA added to environments with Cd concentrations of 100, 300, and 500 mu mol/L. The results determined that a concentration of 1 mu mol/L JA was optimal. This concentration effectively mitigated the level of ROS products by enhancing the activity of antioxidant enzymes. Additionally, JA fostered Cd absorption and accumulation, while markedly improving plant biomass and photosynthetic performance. In further experiments, treatment with 1 mu mol/L JA under 300 mu mol/L Cd stress was performed and transcriptomic analysis unveiled a series of differentially expressed genes (DEGs) instrumental in the JA-mediated Cd stress response. These DEGs encompass not only pathways of JA biosynthesis and signaling but also genes encoding functions that influence antioxidant systems and photosynthesis, alongside genes pertinent to cell wall synthesis, and metal chelation and transport. This study highlights that JA treatment significantly enhances S. alfredii's Cd tolerance and accumulation, offering a promising strategy for plant remediation and deepening our understanding of plant responses to heavy metal stress.
Keyword ：
Cadmium Cadmium Jasmonic acid Jasmonic acid Phytoextraction Phytoextraction Sedum alfredii Sedum alfredii Transcriptomic analysis Transcriptomic analysis
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| GB/T 7714 | Shi, An , Xu, Junlong , Guo, Yingmin et al. Jasmonic acid's impact on Sedum alfredii growth and cadmium tolerance: A physiological and transcriptomic study [J]. | SCIENCE OF THE TOTAL ENVIRONMENT , 2024 , 914 . |
| MLA | Shi, An et al. "Jasmonic acid's impact on Sedum alfredii growth and cadmium tolerance: A physiological and transcriptomic study" . | SCIENCE OF THE TOTAL ENVIRONMENT 914 (2024) . |
| APA | Shi, An , Xu, Junlong , Guo, Yingmin , Rensing, Christopher , Chang, Jinqing , Zhang, Taoxiang et al. Jasmonic acid's impact on Sedum alfredii growth and cadmium tolerance: A physiological and transcriptomic study . | SCIENCE OF THE TOTAL ENVIRONMENT , 2024 , 914 . |
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Pinus massoniana (Massion's pine), a pioneer tree species, exhibits restoration potential in polluted mining areas. However, the physiological and molecular mechanisms of ectomycorrhizal (ECM) fungi in Massion's pine adaptability to multiple-toxic-metal stress are still unclear. Hence, Massion's pine seedlings inoculated with two strains of C. geophilum, which were screened and isolated from a polluted mine area, were cultivated in mine soil for 90 days to investigate the roles of EMF in mediating toxic metal tolerance in host plants. The results showed that compared with the non-inoculation control, C. geophilum (CG1 and CG2) significantly promoted the biomass, root morphology, element absorption, photosynthetic characteristics, antioxidant enzyme activities (CAT, POD, and SOD), and proline content of Massion's pine seedlings in mine soil. C. geophilum increased the concentrations of Cr, Cd, Pb, and Mn in the roots of Massion's pine seedlings, with CG1 significantly increasing the concentrations of Pb and Mn by 246% and 162% and CG2 significantly increasing the concentrations of Cr and Pb by 102% and 78%. In contrast, C. geophilum reduced the concentrations of Cr, Cd, Pb, and Mn in the shoots by 14%, 33%, 27%, and 14% on average, respectively. In addition, C. geophilum significantly reduced the transfer factor (TF) of Cr, Cd, Pb, and Mn by 32-58%, 17-26%, 68-75%, and 18-64%, respectively, and the bio-concentration factor (BF) of Cd by 39-71%. Comparative transcriptomic analysis demonstrated that the differently expressed genes (DEGs) were mainly encoding functions involved in "transmembrane transport", "ion transport", "oxidation reduction process", "oxidative phosphorylation", "carbon metabolism", "glycolysis/gluconeogenesis", "photosynthesis", and "biosynthesis of amino acids." These results indicate that C. geophilum is able to mitigate toxic metals stress by promoting nutrient uptake, photosynthesis, and plant growth, thereby modulating the antioxidant system to reduce oxidative stress and reducing the transport and enrichment of toxic metals from the root to the shoot of Massion's pine seedlings.
Keyword ：
Cenococcum geophilum (C. geophilum) Cenococcum geophilum (C. geophilum) Massion's pine Massion's pine multiple-toxic-metal stress multiple-toxic-metal stress transcriptomic analysis transcriptomic analysis
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| GB/T 7714 | Zhang, Taoxiang , Zhang, Panpan , Pang, Wenbo et al. Increased Tolerance of Massion's pine to Multiple-Toxic-Metal Stress Mediated by Ectomycorrhizal Fungi [J]. | PLANTS-BASEL , 2023 , 12 (18) . |
| MLA | Zhang, Taoxiang et al. "Increased Tolerance of Massion's pine to Multiple-Toxic-Metal Stress Mediated by Ectomycorrhizal Fungi" . | PLANTS-BASEL 12 . 18 (2023) . |
| APA | Zhang, Taoxiang , Zhang, Panpan , Pang, Wenbo , Zhang, Yuhu , Alwathnani, Hend. A. , Rensing, Christopher et al. Increased Tolerance of Massion's pine to Multiple-Toxic-Metal Stress Mediated by Ectomycorrhizal Fungi . | PLANTS-BASEL , 2023 , 12 (18) . |
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To explore the contribution of microorganisms to forest ecosystem function, we studied the ectomycorrhizal (ECM) fungal and soil bacterial community of the five typical tree species (Pinus massoniana, PM; Castanopsis carlesii, CC; Castanopsis eyrei, CE; Castanopsis fargesii, CF; and Keteleeria cyclolepis, KC) at the Junzifeng National Nature Reserve. The results indicated that the ECM fungal and soil bacterial diversity of CC and CF was similar, and the diversity rates of CC and CF were higher than those of PM, CE, and KC. Cenococcum geophilum and unclassified_Cortinariaceae II were the most prevalent occurring ECM fungi species in the five typical tree species, followed by unclassified_Cortinariaceae I and Lactarius atrofuscus. In bacteria, the dominant bacterial genera were Acidothermus, Bradyrhizobium, Acidibacter, Candidatus_Solibacter, Candidatus_Koribacter, Roseiarcus, and Bryobacter. EMF fungi and soil bacteria were correlated with edaphic factors, especially the soil pH, TP, and TK, caused by stand development. The results show that the community characteristics of ECM fungi and bacteria in the typical tree species of the Junzifeng National Nature Reserve reflect the critical role of soil microorganisms in stabilizing forest ecosystems.
Keyword ：
ECM fungal community ECM fungal community forest ecosystems forest ecosystems microorganisms microorganisms soil bacterial community soil bacterial community tree species tree species
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| GB/T 7714 | Pang, Wenbo , Zhang, Panpan , Zhang, Yuhu et al. The Ectomycorrhizal Fungi and Soil Bacterial Communities of the Five Typical Tree Species in the Junzifeng National Nature Reserve, Southeast China [J]. | PLANTS-BASEL , 2023 , 12 (22) . |
| MLA | Pang, Wenbo et al. "The Ectomycorrhizal Fungi and Soil Bacterial Communities of the Five Typical Tree Species in the Junzifeng National Nature Reserve, Southeast China" . | PLANTS-BASEL 12 . 22 (2023) . |
| APA | Pang, Wenbo , Zhang, Panpan , Zhang, Yuhu , Zhang, Xiao , Huang, Yanbin , Zhang, Taoxiang et al. The Ectomycorrhizal Fungi and Soil Bacterial Communities of the Five Typical Tree Species in the Junzifeng National Nature Reserve, Southeast China . | PLANTS-BASEL , 2023 , 12 (22) . |
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The application of mycorrhizal fungi as a bioaugmentation technology for phytoremediation of heavy metal (HM) contaminated soil has attracted widespread attention. In order to explore whether the adaptation of Pinus massoniana (P. massoniana) to metal polluted soil depends on the metal adaptation potential of their associated ectomycorrhizal fungi (ECMF), we evaluated the cadmium (Cd) tolerance of 10 ecotypes of Cenococcum geophilum (C. geophilum) through a membership function method, and P. massoniana seedlings were not (NM) or inoculated by Cd non-tolerant type (JaCg144), low-tolerant (JaCg32, JaCg151) and high-tolerant (JaCg205) isolates of C. geophilum were exposed to 0 and 100 mgkg(-1) for 3 months. The result showed that, each ecotype of C. geophilum significantly promoted the growth, photosynthesis and chlorophyll content, proline (Pro) content and the activity of peroxidase (POD) of P. massoniana seedlings, and decreased malonaldehyde (MDA) content and catalase (CAT) and superoxide dismutase (SOD) activity. The comprehensive evaluation D value of the tolerance to Cd stress showed that the order of the displaced Cd resistance of the four ecotypic mycorrhizal P. massoniana was: JaCg144 > JaCg151 > JaCg32 > JaCg205. Pearson correlation analysis showed that the Sig. value of the comprehensive evaluation (D) values of the strains and mycorrhizal seedlings was 0.077 > 0.05, indicating that the Cd tolerance of the the C. geophilum isolates did not affect its regulatory effect on the Cd tolerance of the host plant. JaCg144 and JaCg151 which are non-tolerant and low-tolerant ecotype significantly increased the Cd content in the shoots and roots by about 136.64-181.75% and 153.75-162.35%, indicating that JaCg144 and JaCg151 were able to effectively increase the enrichment of Cd from the soil to the root. Transcriptome results confirmed that C. geophilum increased the P. massoniana tolerance to Cd stress through promoting antioxidant enzyme activity, photosynthesis, and lipid and carbohydrate synthesis metabolism. The present study suggests that mental-non-tolerant ecotypes of ECMF can protect plants from Cd pollution, providing more feasible strategies for ectomycorrhizal-assisted phytoremediation.
Keyword ：
cadmium (Cd) cadmium (Cd) Cenococcum geophilum (C.geophilum) Cenococcum geophilum (C.geophilum) membership function method membership function method phytoremediation phytoremediation Pinus massoniana (P. massoniana) Pinus massoniana (P. massoniana)
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| GB/T 7714 | Zhang, Taoxiang , Pang, Wenbo , Yan, Tianyi et al. Metal-non-tolerant ecotypes of ectomycorrhizal fungi can protect plants from cadmium pollution [J]. | FRONTIERS IN PLANT SCIENCE , 2023 , 14 . |
| MLA | Zhang, Taoxiang et al. "Metal-non-tolerant ecotypes of ectomycorrhizal fungi can protect plants from cadmium pollution" . | FRONTIERS IN PLANT SCIENCE 14 (2023) . |
| APA | Zhang, Taoxiang , Pang, Wenbo , Yan, Tianyi , Zhang, Panpan , He, Juan , Rensing, Christopher et al. Metal-non-tolerant ecotypes of ectomycorrhizal fungi can protect plants from cadmium pollution . | FRONTIERS IN PLANT SCIENCE , 2023 , 14 . |
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【目的】揭示泰宁地区天然林与人工林锥栗外生菌根真菌的群落组成和多样性。【方法】以泰宁县天然锥栗林与人工锥栗林为采样地，采集锥栗根际土壤和根系样品，检测土壤理化性质，采用菌根学形态描述和分子鉴定对锥栗根部外生菌根真菌类型进行鉴定，并分析其侵染率与环境因子之间的相关性。【结果】天然林锥栗与人工林锥栗之间土壤理化性质存在显著差异，天然林锥栗样地土壤有机质、全氮、全钾与含水量显著高于人工林锥栗样地。人工林锥栗与天然林共鉴定到五类外生菌根真菌，隶属于2门3科5属。其中天然林锥栗土生空团菌（Cenococcum geophilum）的侵染率最高，达到了33.62%；而人工林锥栗橙黄硬皮马勃（Scleroderma citrinum）的侵染率最高，为65.61%；此外，乳菇（Lactarius kesiyae）、绒盖牛肝菌属（Xerocomus sp.）和红菇属（Russula sp.）也是泰宁地区锥栗的主要外生菌根类群。外生菌根真菌侵染率与环境因子相关性分析表明，土壤pH值、全磷、全钾和含水量与菌根侵染率密切相关。【结论】泰宁地区锥栗天然林与人工林外生菌根真菌群落组成及多样性存在差异，且天然林外生菌根真菌多样性高于人工林。研究结果为今后挖掘锥栗优势外生菌根真菌并应用于锥栗栽培提供重要技术依据，为人工锥栗林地土壤质量恢复奠定基础。
Keyword ：
土壤理化性质 土壤理化性质 外生菌根真菌 外生菌根真菌 真菌多样性 真菌多样性 锥栗 锥栗
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| GB/T 7714 | 袁超 , 张盼盼 , 庞文博 et al. 天然林与人工林中锥栗外生菌根真菌多样性研究 [J]. | 福建农业学报 , 2023 , 38 (03) : 367-375 . |
| MLA | 袁超 et al. "天然林与人工林中锥栗外生菌根真菌多样性研究" . | 福建农业学报 38 . 03 (2023) : 367-375 . |
| APA | 袁超 , 张盼盼 , 庞文博 , 成圆圆 , 张桃香 . 天然林与人工林中锥栗外生菌根真菌多样性研究 . | 福建农业学报 , 2023 , 38 (03) , 367-375 . |
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Soil Cadmium (Cd) pollution has become a serious environmental problem. Silicon (Si) plays key roles in alleviating Cd toxicity in plants. However, the effects of Si on mitigation of Cd toxicity and accumulation of Cd by hyperaccumulators are largely unknown. This study was conducted to investigate the effect of Si on Cd accumulation and the physiological characteristics of Cd hyperaccumulator Sedum alfredii Hance under Cd stress. Results showed that, exogenous Si application promoted the biomass, Cd translocation and concentration of S. alfredii, with an increased rate of 21.74-52.17% for shoot biomass, and 412.39-621.00% for Cd accumulation. Moreover, Si alleviated Cd toxicity by: (i) increasing chlorophyll contents, (ii) improving antioxidant enzymes, (iii) enhancing cell wall components (lignin, cellulose, hemicellulose and pectin), (iv) raising the secretion of organic acids (oxalic acid, tartaric acid and L-malic acid). The RT-PCR analysis of genes that involved in Cd detoxification showed that the expression of SaNramp3, SaNramp6, SaHMA2 and SaHMA4 in roots were significantly decreased by 11.46-28.23%, 6.61-65.19%, 38.47-80.87%, 44.80-69.85% and 33.96-71.70% in the Si treatments, while Si significantly increased the expression of SaCAD. This study expanded understanding on the role of Si in phytoextraction and provided a feasible strategy for assisting phytoextraction Cd by S. alfredii. In summary, Si facilitated the Cd phytoextraction of S. alfredii by promoting plant growth and enhancing the resistance of plants to Cd.
Keyword ：
antioxidant enzyme activity antioxidant enzyme activity cell wall cell wall hyperaccumulator hyperaccumulator organic acids organic acids silicon silicon
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| GB/T 7714 | Hu, Ying , Zhou, Xueqi , Shi, An et al. Exogenous silicon promotes cadmium (Cd) accumulation in Sedum alfredii Hance by enhancing Cd uptake and alleviating Cd toxicity [J]. | FRONTIERS IN PLANT SCIENCE , 2023 , 14 . |
| MLA | Hu, Ying et al. "Exogenous silicon promotes cadmium (Cd) accumulation in Sedum alfredii Hance by enhancing Cd uptake and alleviating Cd toxicity" . | FRONTIERS IN PLANT SCIENCE 14 (2023) . |
| APA | Hu, Ying , Zhou, Xueqi , Shi, An , Yu, Yanshuang , Rensing, Christopher , Zhang, Taoxiang et al. Exogenous silicon promotes cadmium (Cd) accumulation in Sedum alfredii Hance by enhancing Cd uptake and alleviating Cd toxicity . | FRONTIERS IN PLANT SCIENCE , 2023 , 14 . |
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Based on the importance and sensitivity of microbial communities to changes in the forest ecosystem, soil microorganisms can be used to indicate the health of the forest system. The metagenome sequencing was used to analyze the changes of microbial communities between natural and plantation Castanea henryi forests for understanding the effect of forest types on soil microbial communities. Our result showed the soil microbial diversity and richness were higher in the natural forests than in the plantation. Proteobacteria, Actinobacteria, and Acidobacteria are the dominant categories in the C. henryi rhizosphere, and Proteobacteria and Actinobacteria were significantly enriched in the natural forest while Acidobacteria was significantly enriched in the plantation. Meanwhile, the functional gene diversity and the abundance of functions in the natural forest were higher than that of the plantation. Furthermore, we found that the microbial network in the natural forests had more complex than in the plantation. We also emphasized the low-abundance taxa may play an important role in the network structure. These results clearly showed that microbial communities, in response to different forest types, provide valuable information to manipulate microbiomes to improve soil conditions of plantation.
Keyword ：
molecular ecological network molecular ecological network natural and plantation Castanea henryi forests natural and plantation Castanea henryi forests rhizosphere microorganism rhizosphere microorganism
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| GB/T 7714 | Cheng, Yuanyuan , Zhou, Lexin , Liang, Tian et al. Deciphering Rhizosphere Microbiome Assembly of Castanea henryi in Plantation and Natural Forest [J]. | MICROORGANISMS , 2022 , 10 (1) . |
| MLA | Cheng, Yuanyuan et al. "Deciphering Rhizosphere Microbiome Assembly of Castanea henryi in Plantation and Natural Forest" . | MICROORGANISMS 10 . 1 (2022) . |
| APA | Cheng, Yuanyuan , Zhou, Lexin , Liang, Tian , Man, Jiayin , Wang, Yinghao , Li, Yu et al. Deciphering Rhizosphere Microbiome Assembly of Castanea henryi in Plantation and Natural Forest . | MICROORGANISMS , 2022 , 10 (1) . |
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