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| 1 | A Chromosome-Level Genome Assembly of Garlic (Allium sativum) Provides Insights into Genome Evolution and Allicin Biosynthesis显示文摘Garlic,an economically important vegetable,spice,and medicinal crop,produces highly enlarged bulbs and unique organosulfur compounds.Here,we report a chromosome-level genome assembly for garlic,with a total size of approximately 16.24 Gb,as well as the annotation of 57561 predicted protein-coding genes,making garlic the first Allium species with a sequenced genome.Analysis of this garlic genome assembly reveals a recent burst of transposable elements,explaining the substantial expansion of the garlic genome.We examined the evolution of certain genes associated with the biosynthesis of allicin and inulin neoseries-type fructans,and provided new insights into the biosynthesis of these two compounds.Furthermore,a large-scale transcriptome was produced to characterize the expression patterns of garlic genes in different tissues and at various growth stages of enlarged bulbs.The reference genome and large-scale transcriptome data generated in this study provide valuable new resources for research on garlic biology and breeding. | Xiudong Sun Siyuan Zhu Ningyang Li Yi Cheng Jing Zhao Xuguang Qiao Li Lu Shiqi Liu Yanzhou Wang Chan Liu Benping Li Wu Guo Shuang Gao Zemao Yang Fu Li Zheng Zeng Qing Tang Yupeng Pan Mengjiao Guan Jian Zhao Xiaomi ng Lu Huanwe n Meng Zhenlin Han Chun she ng Gao Wenkai Jiang Xing Zhao Shilin Tian Jianguang Su Zhihui Cheng Touming Liu | 2020 | Molecular Plant2020，13，9： | 14 |
| 2 | A rapid shoot regeneration protocol from the cotyledons of hemp ( Cannabis sativa L.)显示文摘 | Cheng Chaohua Zang Gonggu Zhao Lining Gao Chunsheng Tang Qing Chen Jianhua Guo Xinbo Peng Dingxiang Su Jianguang | 2016 | Industrial Crops & Products2016，，： | 1 |
| 3 | The NAC transcription factor LuNAC61 negatively regulates fiber development in flax (Linum usitatissimum L.)显示文摘Flax is a crucial fiber crop that exhibits excellent textile properties and serves as a model plant for investigating phloem fiber development. The regulation of multiple genes significantly influences fiber development, notably involving NAC(NAM, ATAF1/2, CUC2) transcription factors in forming the fiber secondary cell wall(SCW).Overexpression of LuNAC61 in flax resulted in sparse top meristematic zone leaves and significantly reduced stem cellulose content. Scanning electron microscopy and staining observations revealed a significant reduction in fiber bundles. β-Glucuronidase(GUS) staining analysis demonstrated high activity of the LuNAC61 promoter in the bast fibers of the flax stem. Additionally, several members of the LuPLATZ and LuCesA families exhibited significant coexpression with LuNAC61. Subcellular localization indicated the presence of LuPLATZ24 protein in the nucleus and cytoplasm, LuNAC61 protein exclusively in the nucleus, and LuCesA10 in the nucleus and endoplasmic reticulum. LuPLATZ24 positively regulates LuNAC61, whereas LuNAC61 negatively affects LuCesA10, suggesting the involvement of a metabolic network in regulating flax fiber development. In conclusion, this study provides a critical opportunity for a comprehensive and in-depth analysis of the mechanisms governing flax fiber development and the potential use of biotechnology to enhance flax fiber yield. | Dongwei Xie Jing Li Wan Li Lijun Sun Zhigang Dai Wenzhi Zhou Jianguang Su Jian Sun | 2024 | Journal of Integrative Agriculture2024，23，3： | 0 |
| 4 | Effects of iron oxide nanoparticles on phenotype and metabolite changes in hemp clones(Cannabis sativa L.)显示文摘We investigated the effect of iron oxide nanoparticles(Fe_(3)O_(4)NPs,~17 nm in size)on the phenotype and metabolite changes in hemp(Cannabis sativa L.),an annual crop distributed worldwide.Hemp clones were grown in hydroponic cultures with Fe_(3)O_(4)NPs(50,100,200,or 500 mg/L)for four weeks.TEM and ICP-MS were used to determine Fe_(3)O_(4)NPs uptake and translocation.LC-MS-based metabolomics was employed to explore the deep insight into the effect of Fe_(3)O_(4)NPs on hemp plants.The results revealed that plant growth enhanced gradually with increasing concentrations of given NPs up to 200 mg/L,which improved the fresh weight and dry weight by 36.13%and 74.68%,respectively,compared to the control.Even at a high dose(500 mg/L),Fe_(3)O_(4)NPs promoted plant growth,including increased biomass and tissue length.NPs significantly increased the iron and chlorophyll content in plant tissues Increased catalase activity and reduced hydrogen peroxide content in hemp leaves suggested that the Fe_(3)O_(4)NPs activated the defense system.TEM showed that NPs were abundantly attached to the cell wall and dispersed throughout the root cells.Metabolomics revealed that Fe_(3)O_(4)NPs induced metabolic reprogramming in hemp leaves,including the up-regulation of carbohydrates and organic acids,and down-regulation of antioxidants,especially tetrahydrocannabinol(THC).The significantly up-regulated metabolites,including peonidin and 2-hydroxycinnamic acid,could be involved in photosynthesis in hemp plants.These results demonstrate the potential of Fe_(3)O_(4)NPs for promoting hemp growth and decreasing the THC content at low doses. | Canhui Deng Qing Tang Zemao Yang Zhigang Dai Chaohua Cheng Ying Xu Xiaojun Chen Xiaoyu Zhang Jianguang Su | 2022 | Frontiers of Environmental Science & Engineering2022，16，10： | 0 |
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