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动物宿主遗传背景与肠道微生物关系研究进展 被引量:5
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作者 孟和 《中国家禽》 北大核心 2017年第22期1-4,共4页
随着新一代高通量测序技术的飞速发展,采用宏基因组测序技术广泛和深入地了解环境微生物的组成、分布和功能等成为可能。截至目前,包括人类在内的多种动物的肠道微生物研究已经贯穿于宿主疾病、营养、代谢、调控、遗传、行为等多个方向... 随着新一代高通量测序技术的飞速发展,采用宏基因组测序技术广泛和深入地了解环境微生物的组成、分布和功能等成为可能。截至目前,包括人类在内的多种动物的肠道微生物研究已经贯穿于宿主疾病、营养、代谢、调控、遗传、行为等多个方向。尽管如此,动物肠道微生物的属性,特别是其与宿主和外部环境间的关系还不是十分清楚。文章从基因组、单基因和关联分析层面介绍了动物宿主遗传背景同肠道微生物间关系的研究进展,阐释了肠道微生物的数量性状特性及遗传力估计结果,并提出肠道微生物研究中存在的问题和未来展望,为动物宿主和肠道微生物互作机制研究提供一定的借鉴和参考。 展开更多
关键词 动物 遗传背景 肠道微生物 数量性状 共生总体 共生总基因组
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Foreign Trade and Social Inequity in the Andean Community of Nations CAN
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作者 Emma Beatriz Castro Urbano 《Chinese Business Review》 2012年第5期443-450,共8页
This paper was made using a descriptive analysis of some indicators from the data basis of Economic Commission for Latin America (CEPAL), CEPAL and answers the question: Have there been enough foreign trade dynamic... This paper was made using a descriptive analysis of some indicators from the data basis of Economic Commission for Latin America (CEPAL), CEPAL and answers the question: Have there been enough foreign trade dynamics during the last years (1999-2006) in order to reduce social inequality gaps? The results here shown correspond to the first stage of a research that relates poverty to countries' economic productivity. The article presents foreign trade, economic growth, and social inequality overview in the countries of the Andean Community of Nations during the years 1999-2006. In considering this period, the last international crisis is overlooked, but it takes in account the importance of the Millennium Development Goals set by the UNDP. The analysis of the basic indicators reflects that the dynamics of economic integration and foreign trade do not translate into better social equality and poverty reduction. This paper shows an economic and social contrast obtained from the results by countries of the Andean Community of Nations (CAN) during the years 1999-2006, comprised by Colombia, Peru, Ecuador, Bolivia, and Venezuela, though the last country is not currently part of CAN. These indicators are exports, imports, relative commercial balance, gross domestic product, gross domestic product per capita, unemployment, GINI index, population, urban development index, and poverty. The paper presents a succinct conceptual framework where the relationship between foreign trade and social inequality is established, from which the description and analysis of the proposed indicators is formulated, permitting the establishing of an apparent practical connection between economic behavior and social results from the CAN countries. 展开更多
关键词 economic integration quality of life social equality POVERTY
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