5篇
您的检索式：作者名="Mingfang Chang"
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| 1 | Identification of Flowering Regulatory Genes in Allopolyploid Brassica juncea显示文摘Brassica juncea is an allopolyploid originating from the interspecific hybridization between Brassica rapa and Brassica nigra, which is of multiple usage as a vegetable, oilseed and condiment worldwide. Both vernalization and non-vernalization under long-day photoperiod can promote floral transition in B. juncea suggesting merged flowering pathways of its ancestors and better environmental adaptability. We identified genomewide flowering regulatory genes in B. juncea, which include 84 and 79 genes from A and B sub-genomes, respectively. Ka/Ks analysis revealed a purification effect on both photoperiod and vernalization flowering regulation pathways during evolution. Expression profile of those genes during long-day and vernalization treatments suggested Bju ACO4, Bju AFT1, Bju BFT4, Bju ASOC1 and Bju ASOC4 may be the major functional copies of B. juncea flowering regulation. Further functional studies about Bju COs showed three days delayed flowering time in Bju ACO4 or Bju BCO3 silenced plants. Increased transcription of all BjuFLCs in Bju ACO4 or Bju BCO3 silenced plants suggested interactions between photoperiod and vernalization pathways governing flowering time. Our findings provided flowering regulating networks in allopolyploid B. juncea. | Ning Zhao Chang Liu Yiqing Meng Zhongyuan Hu Mingfang Zhang Jinghua Yang | 2019 | Horticultural Plant Journal2019，5，3： | 6 |
| 2 | Study of the Toxicity of 1-Bromo-3-Chloro-5,5-Dimethylhydantoin to Zebrafish显示文摘Objective 1-Bromo-3-chloro-5,5-dimethylhydantoin (BCDMH) is a solid oxidizing biocide for water disinfection.The objective of this study was to investigate the toxic effect of BCDMH on zebrafish.Methods The developmental toxicity of BCDMH on zebrafish embryos and the dose-effect relationship was determined.The effect of BCDMH exposure on histopathology and tissue antioxidant activity of adult zebrafish were observed over time.Results Exposure to 4 mg/L BCDMH post-fertilization was sufficient to induce a number of developmental malformations,such as edema,axial malformations,and reductions in heart rate and hatching rate.The no observable effects concentration of BCDMH on zebrafish embryo was 0.5 mg/L.After 96 h exposure,the 50% lethal concentration (95% confidence interval (CI)) of BCDMH on zebrafish embryo was 8.10 mg/L (6.15-11.16 mg/L).The 50% inhibitory concentration (95% CI) of BCDMH on hatching rate was 7.37 mg/L (6.33-8.35 mg/L).Histopathology showed two types of responses induced by BCDMH,defensive and compensatory.The extreme responses were marked hyperplasia of the gill epithelium with lamellar fusion and epidermal peeling.The histopathologic changes in the gills after 10 days exposure were accompanied by significantly higher catalase activity and lipid peroxidation.Conclusion These results have important implications for studies on the toxicity and use of BCDMH and its analogs. | LI WanFang WEI JinFeng JIN HongTao HUANG MingFang ZHANG JingXuan LI ChengHe CHEN ChaoJie LIU Chang WANG AiPing | 2011 | Biomedical and Environmental Sciences2011，24，4： | 2 |
| 3 | Lateral earth pressure behind rotating walls显示文摘 | CHANG Mingfang | 1997 | Canadian Geotechnical Journal1997，34，2： | 1 |
| 4 | Construction effect on load transfer a- long bored piles 显示文摘 | Mingfang Chang Hong Zhu | 2004 | Journal of Geotechnical and Geoenvironmental Engineering2004，130，4： | 1 |
| 5 | A wake-up call: signaling in regulating ornamental geophytes dormancy显示文摘Ornamental geophytes are a group of important flowers worldwide.As perennial plants,geophytes go through several rounds of life cycle under seasonal climates.The dormant trait of underground modified organs in geophytes is critical for the process of storage,planting as well as breeding.Although the dormant physiology in geophytes is complex and largely unknown,several advancements have been achieved in this field.Here,we review the knowledge on the role of environmental factors,endogenous hormones,carbohydrates,and epigenetics in the regulation of geophytes dormancy release(GDR).We also discuss dormancy release(DR)methods and their roles in geophytes,including small molecular chemicals and wounding treatments. | Yajie Zhao Chang Liu Juanjuan Sui Jiahui Liang Jintao Ge Jingru Li Wenqiang Pan Mingfang Yi Yunpeng Du Jian Wu | 2022 | Ornamental Plant Research2022，2，1： | 0 |
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