4,585 research outputs found

    Gomphonema yaominae sp. nov. Li, a new species of diatom (Bacillariophyta) from lakes near Yangtze River, China

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    Gong, Zhijun, Li, Yanling (2012): Gomphonema yaominae sp. nov. Li, a new species of diatom (Bacillariophyta) from lakes near Yangtze River, China. Phytotaxa 54: 59-64, DOI: 10.11646/phytotaxa.54.1.6, URL: http://biotaxa.org/Phytotaxa/article/view/phytotaxa.54.1.

    PLATE 1, FIGURES 1–6 in Gomphonema yaominae sp. nov. Li, a new species of diatom (Bacillariophyta) from lakes near Yangtze River, China

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    PLATE 1, FIGURES 1–6. Gomphonema yaominae. LM images of valve views showing the size diminution series for the species. Figure 1 = holotype. Scale bar = 10 µm.Published as part of Gong, Zhijun & Li, Yanling, 2012, Gomphonema yaominae sp. nov. Li, a new species of diatom (Bacillariophyta) from lakes near Yangtze River, China, pp. 59-64 in Phytotaxa 54 on page 61, DOI: 10.11646/phytotaxa.54.1.6, http://zenodo.org/record/481484

    PLATE 2, Figures 5–8. Cymbella paenetruncata Li in New species of Cymbella and Placoneis (Bacillariophyta) from late Pleistocene Fossil, China

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    PLATE 2, Figures 5–8. Cymbella paenetruncata Li & Gong sp. nov. Light microscopy images showing the range of variation within the type population. Scale bar represents 10 µm.Published as part of Gong, Zhijun, Li, Yanling, Metzeltin, Ditmar & Lange-Bertalot, Horst, 2013, New species of Cymbella and Placoneis (Bacillariophyta) from late Pleistocene Fossil, China, pp. 29-40 in Phytotaxa 150 (1) on page 31, DOI: 10.11646/phytotaxa.150.1.2, http://zenodo.org/record/510049

    PLATE 1, Figure 1. Cymbella pulchra Li in New species of Cymbella and Placoneis (Bacillariophyta) from late Pleistocene Fossil, China

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    PLATE 1, Figure 1. Cymbella pulchra Li & Lange-Bertalot sp. nov. in Light microscopy Figure 2. SEM, Internal valve in view, Figure 3. Internal view of the valve end showing the distal raphe endings terminating dorsally, Figure 4. Internal view of the central area. Scale bar represents 10 µm except in Figs 3, 4 where scale bar = 2 µm and 3 µm, respectively.Published as part of Gong, Zhijun, Li, Yanling, Metzeltin, Ditmar & Lange-Bertalot, Horst, 2013, New species of Cymbella and Placoneis (Bacillariophyta) from late Pleistocene Fossil, China, pp. 29-40 in Phytotaxa 150 (1) on page 30, DOI: 10.11646/phytotaxa.150.1.2, http://zenodo.org/record/510049

    New species of Cymbella and Placoneis (Bacillariophyta) from late Pleistocene Fossil, China

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    Gong, Zhijun, Li, Yanling, Metzeltin, Ditmar, Lange-Bertalot, Horst (2013): New species of Cymbella and Placoneis (Bacillariophyta) from late Pleistocene Fossil, China. Phytotaxa 150 (1): 29-40, DOI: 10.11646/phytotaxa.150.1.2, URL: http://dx.doi.org/10.11646/phytotaxa.150.1.

    PLATE 6, Figures 40–43 in New species of Cymbella and Placoneis (Bacillariophyta) from late Pleistocene Fossil, China

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    PLATE 6, Figures 40–43: Placoneis sinensis Li & Metzeltin sp. nov. Light microscopy images showing the range of variation within the type population. Figure 40. SEM, external valve.Published as part of Gong, Zhijun, Li, Yanling, Metzeltin, Ditmar & Lange-Bertalot, Horst, 2013, New species of Cymbella and Placoneis (Bacillariophyta) from late Pleistocene Fossil, China, pp. 29-40 in Phytotaxa 150 (1) on page 37, DOI: 10.11646/phytotaxa.150.1.2, http://zenodo.org/record/510049

    PLATE 3, Figures 9–13 in New species of Cymbella and Placoneis (Bacillariophyta) from late Pleistocene Fossil, China

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    PLATE 3, Figures 9–13: Cymbella shii Li sp. nov. Light microscopy images showing the range of variation within the type population. Scale bar represents 10 µm.Published as part of Gong, Zhijun, Li, Yanling, Metzeltin, Ditmar & Lange-Bertalot, Horst, 2013, New species of Cymbella and Placoneis (Bacillariophyta) from late Pleistocene Fossil, China, pp. 29-40 in Phytotaxa 150 (1) on page 33, DOI: 10.11646/phytotaxa.150.1.2, http://zenodo.org/record/510049

    PLATE 7, Figures 44–49 in New species of Cymbella and Placoneis (Bacillariophyta) from late Pleistocene Fossil, China

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    PLATE 7, Figures 44–49: Placoneis sinensis from Myanmar. Figure 46. SEM, external valve.Published as part of Gong, Zhijun, Li, Yanling, Metzeltin, Ditmar & Lange-Bertalot, Horst, 2013, New species of Cymbella and Placoneis (Bacillariophyta) from late Pleistocene Fossil, China, pp. 29-40 in Phytotaxa 150 (1) on page 38, DOI: 10.11646/phytotaxa.150.1.2, http://zenodo.org/record/510049

    Wang Bi yi li Yi xue yan jiu.

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    羅燕玲.Thesis (Ph.D.)--Chinese University of Hong Kong, 2011.Includes bibliographical references (leaves 197-204)Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web.Abstracts in Chinese and English.Luo Yanling

    Potential role of DNA-dependent protein kinase in cellular resistance to ionizing radiation

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    In this paper, we study the ability of DNA-PK-deficient (M059J) and -proficient (M059K) cells to undergo the rate of cellular proliferation, cell cycle distribution and apoptosis after 10 Gy X-ray irradiation, and the role of DNA-PK in radiosensitivity. The results showed that M059J cells exhibited hyper-radiosensitivity compared with M059K cells. A strong G2 phase arrest was observed in M059J cells post irradiation. Significant accumulation in the G2 phase in M059J cells was accompanied by apoptosis at 12 h. Altogether, the data suggested that DNA-PK may have two roles in mammalian cells after DNA damage, a role in DNA DSB repair and a second role in DNA-damaged cells to traverse a G2 checkpoint, by which DNA-PK may affect cellular sensitivity to ionizing radiation. 地址: [Li Ning; Zhang Hong; Wang Yanling; Hao Jifang] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China; [Li Ning; Zhang Hong; Wang Yanling; Hao Jifang] Key Lab Heavy Ion Radiat Med Gansu Prov, Lanzhou 730000, Peoples R China; [Li Ning; Wang Yanling] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China; [Wang Xiaohu] Gansu Tumor Hosp, Dept Radiotherapy, Lanzhou 730050, Peoples R ChinaNational Natural Science Foundation of China 10675151 Chinese Academy of Sciences 0860260XB
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