A comparative study of genetic relationships among the AA-genome Oryza species using RAPD and SSR markers.

A comparative study of genetic relationships among the AA-genome Oryza species using RAPD and SSR markers. Research Abstract Details 

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A comparative study of genetic relationships among the AA-genome Oryza species using RAPD and SSR markers. Abstract Text:

Fugang Ren,Bao-Rong Lu,Shaoqing Li,Jingyu Huang,Yingguo Zhu,

In order to estimate genetic relationships of the AA-genome Oryza species, RAPD and SSR analyses were performed with 45 accessions, including 13 cultivated varieties (eight Oryza sativa and five Oryza glaberrima) and 32 wild accessions (nine Oryza rufipogon, seven Oryza nivara, three Oryza glumaepatula, four Oryza longistaminata, six Oryza barthii, and three Oryza meridionalis). A total of 181 clear and repeatable bands were amplified from 27 selected RAPD primers, and 101 alleles were detected from 29 SSR primer pairs. The dendrogram constructed using UPGMA from a genetic-similarity matrix based on the RAPD data supported the clustering of distinct five groups with a few exceptions: O. rufipogon/ O. nivara/ O. meridionalis, O. barthii/ O. glaberrima, O. glumaepatula, O. sativa and O. longistaminata. The dendrogram based on the SSR analysis showed a more-complicated genetic variation pattern, but the O. longistaminata and O. barthii/ O. glaberrima accessions were consistently separated from all other accessions, indicating significant differentiation of the African AA-genome Oryza species. For accessions in the O. rufipogon/ O. nivara/ O. sativa complex, it is apparent that geographical isolation has played an important role in differentiation of the Asian AA-genome Oryza taxa. It is also demonstrated from this study that both RAPD and SSR analyses are powerful methods for detecting polymorphisms among the different AA-genome Oryza accessions. However, the RAPD analysis provides a more-informative result in terms of the overall genetic relationships at the species level compared to the SSR analysis. The SSR analysis effectively reveals diminutive variation among accessions or individuals within the same species, given approximately the same number of primers or primer-pairs used in the studies.

A comparative study of genetic relationships among the AA-genome Oryza species using RAPD and SSR markers. Publishing Authors By Initials

F Ren,BR Lu,S Li,J Huang,Y Zhu,

For similar genetic phenomena: variation (genetics) research abstracts see: genetic phenomena: variation (genetics) research

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A comparative study of genetic relationships among the AA-genome Oryza species using RAPD and SSR markers. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: TAG. Theoretical and applied genetics. Theoretisch

VOLUME: 108

Page Numbers: 113-20

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ISSN: 0040-5752

DAY: 19

MONTH: 09

YEAR: 2003

A comparative study of genetic relationships among the AA-genome Oryza species using RAPD and SSR markers. Information

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LANGUAGE: eng

NlmUniqueID: 145600

A comparative study of genetic relationships among the AA-genome Oryza species using RAPD and SSR markers. Keywords Mesh Terms:

KEYWORDS: Variation (Genetics)

MESH TERMS: genetics

Chemical & Substance for Abstract: A comparative study of genetic relationships among the AA-genome Oryza species using RAPD and SSR markers. Information

Substance Name: Genetic Markers

Registry Number: 0

Grant and Affiliation Information for A comparative study of genetic relationships among the AA-genome Oryza species using RAPD and SSR markers.

AFFILIATION: Ministry of Education Key Laboratory for Plant Developmental Biology, Wuhan University, 430072, Wuhan, China.

Country: Germany

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MEDLINETA: Theor Appl Genet

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