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JOURNAL OF DESERT RESEARCH  2008, Vol. 28 Issue (3): 468-472    DOI:
生物土壤与生态     
Spatial Autocorrelation Analysis of ISSR Genetic Variation of Reaumuria soongorica Population in Northwest of China
LI Xiu-ling, CHEN Jian, WANG Gang
Key Laboratory of Arid and Grassland Ecology under Ministry of Education, Lanzhou University, Lanzhou 730000, China
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Abstract  The spatial distribution of 28 Reaumuria soongorica populations in northwest of China were studied with the spatial autocorrelation analysis. The polymorphic bands with frequencies ranging from 30% to 70%, which were generated from 14 ISSR selective primers, were chosen. The approach of equal gene frequency correlograms and equal distance interval correlograms was used to analyze the spatial structure. Morans I values showed a lack of spatial structure of genetic variation existing in the population of Reaumuria soongorica. Most of the ISSR locations were randomly distributed. A few of ISSR locations had a faint spatial structure, in other words, Reaumuria soongorica populations are randomly distributed. The spatial patterns of genetic variation in Reaumuria soongorica population should be the combining result from gene flow, natural selection, population isolation and breeding mechanism. Furthermore, the further analyzing on mechanism and cause of spatial structure formation can help to discuss the evolution and ecology processes of randomly distributed Reaumuria soongorica populations, which may provide effective scientific bases for conservation work.
Key words:  Reaumuria soongorica      ISSR      spatial autocorrelation analysis      random distribution     
Received:  04 April 2007      Published:  20 May 2008
ZTFLH:  Q948.15  
Articles by authors
LI Xiu-ling
CHEN Jian
WANG Gang

Cite this article: 

LI Xiu-ling;CHEN Jian;WANG Gang. Spatial Autocorrelation Analysis of ISSR Genetic Variation of Reaumuria soongorica Population in Northwest of China. JOURNAL OF DESERT RESEARCH, 2008, 28(3): 468-472.

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http://www.desert.ac.cn/EN/     OR     http://www.desert.ac.cn/EN/Y2008/V28/I3/468

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