基于文献计量和内容挖掘的转基因玉米科研态势研究

摘要/Abstract

摘要： 玉米是全球种植最广泛谷类作物，在农业生产中具有重要地位。自20世纪80年代以来，转基因玉米研究一直是农业科学领域一个热点。为了解世界转基因玉米的科研态势，基于2005-2014年10年间Web of science收录的转基因玉米相关论文，分析了转基因玉米影响力较高的国家、科研机构、重点期刊、优秀作者、高被引论文。用内容挖掘方法抽取10个主题的核心句集，分析了转基因玉米研究的前沿热点。结果表明，整体上，从发文量、研究作者、出版期刊和高被引论文等方面综合分析，美国转基因玉米科研居世界领先水平。中国科研机构发文量较大，但主要集中在少数几个单位，而且中国的论文质量和影响力与美国有一定差距。刊载转基因玉米论文的优秀期刊集中分布在美国、英国、德国和荷兰。排名前16的高被引论文有9篇来自美国。转基因玉米的研究主要集中于抗虫、抗逆、环境的安全性评价以及作物性状改良这四个方面。其中的一些研究，如利用RNAi技术抗虫、玉米耐阴（耐密植）、雄性不育等方面，可能会成为未来转基因玉米的研究热点。

关键词: 文献计量, 内容挖掘, 转基因玉米, 态势研究

Abstract: Corn is the most widely cultivated cereal crop in the world，thus it possesses critical niche in agricultural production. Since the 80's of last century，the research of genetically modified corn（GMC）has been being a hotspot in the field of agricultural science. In order to understand the research situation of transgenic corn in the world，we analyzed the items that have great influence in this field，such as countries，research institutions，key journals，outstanding authors，and high cited papers，based on the papers of 10 years（2005 - 2014）on GMC collected in the Web of Science. With the content mining method，we extracted 10 core sentences in this topic，and analyzed the research hotspot of transgenic corn. The results showed that the United States and China led the world research level of GMC. China's scientific research institutions issued larger amount papers，but the papers issued from United States were in higher quality and caused larger impact in GMC field. The key journals publishing transgenic corn were concentrated in United States，Britain，Germany，Australia，Kenya，Ireland and Holland. Among the top 20 high cited papers，10 were from the United States. The research hotspot of the transgenic corn focused on the 4 aspects：the pest resistance，the anti-reverse，the risk assessment of environment，and the improvement of crop performance. Some studies，such as the use of RNAi technology against insects，shade-tolerant corn（resistant to high density），male sterility，etc.，could become the next hot topics on GMC in the future.

Key words: bibliometrics, content mining, transgenic maize, situation research

中图分类号:

10.13560/j.cnki.biotech.bull.1985.2016.12.031

郑莹,刘家益,左璇,李圣彦,吴圣,聂凤英. 基于文献计量和内容挖掘的转基因玉米科研态势研究[J]. 生物技术通报, 2016, 32(12): 203-213.

ZHENG Ying,LIU Jia-yi,ZUO Xuan,LI Sheng-yan,WU Sheng,NIE Feng-ying. Research Situation of Transgenic Corn Based on Bibliometrics and Content Mining[J]. Biotechnology Bulletin, 2016, 32(12): 203-213.

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