journalofnaturegasscience

Gerda Szakonyi, Joel M Guthridge,Dawei Li, Young Kendra, Michael V Holers, Xiaojiang S Chen, 2001, Structure of complement receptor 2 in complex with its C3d ligand,Science, 292: 1725- Dawei Li, Rui Zhao, Wayne Lilyestrom, Dahai Gai, Rongguang Zhang, DeCaprio James, Ellen Fanning, Gerda Szakonyi, Xiaojiang S Chen, 2003, Structure of the replicative helicase of the oncoprotein SV40 large tumour antigen,Nature, 423: 512- Dahai Gai,Dawei Li, Carla V Finkielstein, Robert D Ott, Poonam Taneja, Ellen Fanning, Xiaojiang S Chen, 2004, Insights into the oligomeric states, conformational changes and helicase activities of SV40 large tumor antigen,Journal of Biological Chemistry, 279: 38952- Dahai Gai, Rui Zhao,Dawei Li, Carla V Finkielstein, Xiaojiang S Chen, 2004, Mechanisms of conformational change for a replicative hexameric helicase of SV40 large T antigen,Cell, 119: 47- Lihua Guo, Yunhe Cao,Dawei Li,Shengniao Niu, Zhunan Cai, Chenggui Han, Yafeng Zhai, Jialin Yu, 2005, Analysis of 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suppressor activity ofMelon aphid-borne yellows virusP0 Virology, 406(1): 21- Yanjing Zhang, Xiaofeng Zhang, Shaofang Niu, Chenggui Han, Jialin Yu,Dawei Li*, 2011, Nuclear localization ofBeet black scorch viruscapsid protein and its interaction with importin α,Virus Research, 155(1): 307- Cheng Yuan, Cui Li, Lijie Yan, Andrew O Jackson, Zhiyong Liu, Chenggui Han, Jialin Yu,Dawei Li, 2011, A high throughputBarley stripe mosaic virusvector for virus induced gene silencing in monocots and dicots,PLoS ONE, 6: Yu Cui, Mi Yeon Lee, Naxin Huo, Jennifer Bragg, Lijie Yan, Cheng Yuan, Cui Li, Sara J Holditch, Jingzhong Xie, Ming-Cheng Luo,Dawei Li, Jialin Yu, Joel Martin, Wendy Schackwitz, Yong-Qiang Gu, John P Vogel, Andrew O Jackson, Zhiyong Liu1, and David F Garvin, 2012, Fine mapping of theBarley stripe mosaic virusresistance geneBsr1in the model grassBrachypodium distachyon,PLoS ONE, 7(6): Xiuchun Zhang, Xiaofeng Zhang, Jasleen Singh,Dawei Li, and Feng Qu, 2012, Temperature-dependent 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奥斯陆(路透社)南极州和北极得到较不冰冷由于全球性变暖，在星期四科学家在提供人造气候变化的证据对每个大陆的研究中说。 温暖的人的起因的Detection在地球的两个末端也加强需要了解在南极州的冰床，并且将由大约70米的格陵兰(230 ft)提高世界海标准，如果他们全都熔化了，他们说。 能的“We’re第一次直接地归因于温暖在北极和南极州人影响， ”在他带领与同事在美国的研究中说Nathan东英吉利England’s大学Gillett、英国和日本。 The北极近年来尖锐温暖了和海冰在2007年减少的对最低纪录。 但是南极趋向是混乱的---一些冬天海冰最近几十年来扩展了。 离开为一些怀疑关于温暖是否是全球性的，联合国气候盘区，借鉴工作由2,500位专家，去年说在气候“has的人的指纹被查出在每个大陆除去Antarctica”，有做不足的观察上的覆盖面评估，科学家，写在学报自然Geo科学，前述被填装的新的研究结果空白。 The研究，比较温度纪录和四个计算机气候模型，发现了一温暖在可能最好用温室气体积累解释的两个极区。 主要从灼烧的化石luels，而不是自然变动，与人类活动的链接是难解释在极区，因为比100个温度驻地在北极和20有较少在南极州，他们说。 科学家说温度有上升的大约2摄氏( 6华氏)在过去40年在北极。 温度在南极州，冰冷冷冻大于美国由程度的一些枚铜币，研究正式地连接的导致温室效应的气体(排放)也获取了对温度上升在北极，大自然变动在20世纪30年代和20世纪40年代包括一显着温升。 The人的起因去年被暗示了由联合国气候盘区，说一个人的作用“has可能造成在北极海冰程度的最近减退。 “Scientists敦促冰和温度的更多研究。 联合国气候盘区射出海水平将上升在18和59 cm (7~23英寸)之间本世纪。 起因于全球性变暖的一部分的转移也可能包括更多天旱、洪水、热波和更加破坏性的风暴。

OSLO（路透社）消息，本周四有科学家在一个关于人为原因导致全球气候变化的研究中指出，变暖已经使得南北极的冰川越来越少了。科学家们指出，探测人为因素对两极气候变暖的行为更加凸显了冰层的研究重要性，因为如果南极和格陵兰岛的冰全部融化将会使全球海平面升高70米（230英尺）。 东安歌利亚大学的Nathan Gillett是该课题美英日研究团队的带头人，他认为：这是我们首次把南北极变暖的原因归结于人类影响。近几年来，北极的温度急剧变暖，2007年的海冰量已经下降至历史最低点，然而南极洲的情况则让人有些不解，冬季有些海冰量在最近10年来反而有增无减。这又使得我们质疑：变暖真的是全球化的吗？去年曾有联合国气候小组在听取2500位专家的意见后指出：人类对气候的影响已经蔓延到了除南极洲外的各大洲，当时由于没有足够的观察证据来得出此结论，但是，在新发表的自然地理科学杂志上，科学家们认为新的发现填补了这项空白。通过温度记录与4种电脑气候模型对比，研究发现两极地区的变暖原因用温室气体可以得到很好的解释。由于温室气体主要来自燃料燃烧而不是自然变化，所以一直以来很难解释两极地区的气候变化和人类活动有什么样的联系，因为北极只有不到100个气象站，南极也仅仅20个左右，科学家指出，在过去的40年中北极的温度上升了2摄氏度（6华氏度）。南极的冰层截面甚至超过美国的面积，但是今年来也减少了10之一。19世纪30和40年代北极也曾发生过温度骤升，本次的研究也正式把温度变化和温室气体的排放联系起来了。联合国气候小组早在去年就暗示，人类的影响“很可能是导致北极海冰量下降的主要因素”。科学家则敦促加快关于温度以及冰方面的研究。联合国气候小组预计本世纪海平面会上升18-59厘米（7-23英寸）。导致全球变暖的因素还可能会造成干旱，洪涝，酷热等其他破坏性灾害。