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学者姓名:王孜
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Abstract :
The Fagaceae family, comprising over 900 species, is an essential component of Northern Hemisphere forest ecosystems. However, genomic data for tropical and subtropical genera Castanopsis and Castanea remain limited compared to the well-studied oak. Here, we present chromosome-level genome assemblies of Castanopsis carlesii and Castanea henryi, with assembled genome sizes of 927.24 Mb (N50 = 1.57 Mb) and 780.10 Mb (N50 = 1.07 Mb), respectively, and repetitive sequence contents of 45.79% and 44.88%. Comparative genomic analysis revealed that the estimated divergence time between Castanopsis and Castanea was determined to be 48.3 Mya and provided evidence that both genera experienced only one of the ancient whole genome triplication event (gamma event) shared with most eudicots. The development of C. carlesii flower bracts and cupules was controlled by A- and E-class genes, suggesting that the cupules may originate from the bracts. Additionally, genes involved in sucrose and starch metabolism genes played distinct roles during C. carlesii fruit development. The amplification of the nucleotide-binding leucine-rich repeat (NLR) gene family in Fagaceae exhibited similarities, indicating that this expansion may be an adaptation to similar environmental pressures. This study provides valuable genomic resources for Asian Fagaceae and enhances our understanding of Fagaceae evolution.
Keyword :
Fagaceae Fagaceae Genomics Genomics MADS-box genes MADS-box genes Resistance genes Resistance genes Sucrose-starch metabolism Sucrose-starch metabolism
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| GB/T 7714 | Tu, Xiong-De , Lin, Wen-Jun , Xin, Ya-Xuan et al. Genomic insights into Castanopsis carlesii and Castanea henryi: flower and fruit development and evolution of NLR genes in the beech-oak family [J]. | MOLECULAR HORTICULTURE , 2025 , 5 (1) . |
| MLA | Tu, Xiong-De et al. "Genomic insights into Castanopsis carlesii and Castanea henryi: flower and fruit development and evolution of NLR genes in the beech-oak family" . | MOLECULAR HORTICULTURE 5 . 1 (2025) . |
| APA | Tu, Xiong-De , Lin, Wen-Jun , Xin, Ya-Xuan , Fu, Hou-Hua , Zhou, Cheng-Yuan , Lin, Yi-Zhe et al. Genomic insights into Castanopsis carlesii and Castanea henryi: flower and fruit development and evolution of NLR genes in the beech-oak family . | MOLECULAR HORTICULTURE , 2025 , 5 (1) . |
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Allelopathic autotoxicity in coastal shelterbelt soils threatens the growth of Casuarina equisetifolia. To address this, we constructed a library of multi-functional bacterial strains enriched on a mixed phenolic acid substrate (vanillic acid: ferulic acid: gallic acid: p-coumaric acid: salicylic acid = 32:6:19:5:8). We evaluated their synergistic phenolic acid degradation, plant growth promotion, and antifungal activities both in vitro and in 100-day greenhouse pot trials. In vitro, Caballeronia arvi strain W3 removed over 99 % of all five phenolic acids, secreted up to 19.1 mg L- 1 indole-3-acetic acid, and 66.4 U min- 1 protease. In pots, Caballeronia arvi strain W3 significantly reduced foliar malondialdehyde by 43.5 %, increased superoxide dismutase and catalase activities by 215 % and 254 %, respectively, and enhanced plant height and dry biomass by 259 % and 371 % compared with the control. Paenibacillus sp. strain W18 restored seed germination from 7.6 % to 55.2 % and raised root viability from 0.138 to 9.27 U g- 1 h- 1 relative to the control. Partial least squares path modeling revealed that bacterial treatment directly drove phenolic acid degradation, which markedly improved soil attributes and rhizosphere community composition, thereby enhancing plant antioxidant and osmotic responses and ultimately growth. These results provide quantitative criteria for targeted microbial remediation of allelopathic soils in coastal shelterbelts.
Keyword :
Casuarina equisetifolia Casuarina equisetifolia Phenolic acid-degrading bacteria Phenolic acid-degrading bacteria Plant growth promotion traits Plant growth promotion traits Replant disease Replant disease Rhizosphere microbiome Rhizosphere microbiome
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| GB/T 7714 | Chu, Wei , Wang, YanYan , Wu, MingMei et al. Rhizobacteria-mediated phenolic acid degradation alleviates replant stress in Casuarina equisetifolia via multi-level soil-plant regulation [J]. | RHIZOSPHERE , 2025 , 36 . |
| MLA | Chu, Wei et al. "Rhizobacteria-mediated phenolic acid degradation alleviates replant stress in Casuarina equisetifolia via multi-level soil-plant regulation" . | RHIZOSPHERE 36 (2025) . |
| APA | Chu, Wei , Wang, YanYan , Wu, MingMei , Wu, ZongNan , Zhou, LiuTing , Wang, Zi et al. Rhizobacteria-mediated phenolic acid degradation alleviates replant stress in Casuarina equisetifolia via multi-level soil-plant regulation . | RHIZOSPHERE , 2025 , 36 . |
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| GB/T 7714 | Yuan, Tao-hua , Wang, Zi , Shen, Cai-quan et al. A taxonomic correction of Impatiens (Balsaminaceae) in Xizang, China-The record of Impatiens bracteata is a misidentification of I. darjeekhandui [J]. | PHYTOTAXA , 2024 , 672 (1) : 121-125 . |
| MLA | Yuan, Tao-hua et al. "A taxonomic correction of Impatiens (Balsaminaceae) in Xizang, China-The record of Impatiens bracteata is a misidentification of I. darjeekhandui" . | PHYTOTAXA 672 . 1 (2024) : 121-125 . |
| APA | Yuan, Tao-hua , Wang, Zi , Shen, Cai-quan , Hu, Guang-wan , Peng, Shuai . A taxonomic correction of Impatiens (Balsaminaceae) in Xizang, China-The record of Impatiens bracteata is a misidentification of I. darjeekhandui . | PHYTOTAXA , 2024 , 672 (1) , 121-125 . |
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Nutrient limitation constrains the regeneration of Castanopsis kawakamii seedlings in subtropical forests. Small Philippine acacia (Acacia confusa), a common tree species in mixed forests, is known for its nitrogen fixation capabilities. Therefore, we attempted to intercrop A. confusa in a C. kawakamii natural forest. However, this forest contained abundant litter, harboring ample tannins and total phenols. Whether the allelopathy of litter could constrain the seed germination of A. confusa seed was unknown. Therefore, we aimed to explore the influence of forest litter extracts on the seed germination and radicle growth of A. confusa. The results indicate that low concentration litter extracts promote whereas high concentrations inhibit A. confusa seeds. The stock solution produced the strongest inhibition, whereas the 1:160 litter extract concentration had promoted the germination rate and radicle growth. The A. confusa radicle increase was remarkable in the first eight days, and tended to decrease from day 9 to 15. Overall, the allelopathic effect of litter is not a factor limiting the mixing of C. kawakamii and A. confusa. This could provide an alternative method to improving soil nutrition, thus promoting the regeneration of C. kawakamii seedlings.
Keyword :
germination index germination index germination potential germination potential germination rate germination rate mixed forest mixed forest radicle length radicle length
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| GB/T 7714 | Jin, M. R. , Wang, Z. , He, Z. S. et al. ALLELOPATHIC EFFECT OF CASTANOPSIS KAWAKAMH FOREST LITTER ON SEED GERMINATION OF SMALL PHILIPPINE ACACIA (ACACIA CONFUSA) [J]. | APPLIED ECOLOGY AND ENVIRONMENTAL RESEARCH , 2019 , 17 (6) : 15103-15116 . |
| MLA | Jin, M. R. et al. "ALLELOPATHIC EFFECT OF CASTANOPSIS KAWAKAMH FOREST LITTER ON SEED GERMINATION OF SMALL PHILIPPINE ACACIA (ACACIA CONFUSA)" . | APPLIED ECOLOGY AND ENVIRONMENTAL RESEARCH 17 . 6 (2019) : 15103-15116 . |
| APA | Jin, M. R. , Wang, Z. , He, Z. S. , Jiang, L. , Liu, J. F. , Lan, Y. Q. et al. ALLELOPATHIC EFFECT OF CASTANOPSIS KAWAKAMH FOREST LITTER ON SEED GERMINATION OF SMALL PHILIPPINE ACACIA (ACACIA CONFUSA) . | APPLIED ECOLOGY AND ENVIRONMENTAL RESEARCH , 2019 , 17 (6) , 15103-15116 . |
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| GB/T 7714 | Huang, J. , Hong, Y. , Xu, L. et al. Comparative Genomics of Two Magnaporthe oryzae Field Isolates Uncovers Novel Candidate Effector Genes [J]. | PHYTOPATHOLOGY , 2016 , 106 (12) : 6-6 . |
| MLA | Huang, J. et al. "Comparative Genomics of Two Magnaporthe oryzae Field Isolates Uncovers Novel Candidate Effector Genes" . | PHYTOPATHOLOGY 106 . 12 (2016) : 6-6 . |
| APA | Huang, J. , Hong, Y. , Xu, L. , Chen, M. , Zhong, Z. , Chen, X. et al. Comparative Genomics of Two Magnaporthe oryzae Field Isolates Uncovers Novel Candidate Effector Genes . | PHYTOPATHOLOGY , 2016 , 106 (12) , 6-6 . |
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