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Isozyme Analysis of Species of Leymus and its Related Diploid Species in Triticeae

Ruiwu Yang

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Abstract

The esterase isozyme(EST)and superoxide isozyme(SOD)of 24 species of Leymus,Australopyrum,Agropyron,Lophopyrum,Pseudoroegneria,Psathyrostachys and Hordeum in triticeae were analyzed by using polyacrylamid gel electrophoresis(PAGE)technique.The results show as follows:①All the 24 species have significant isozymes polymorphism,with a total of 45 bands separated;②The relationship between L.chinensis and the other 13 species of Leymus is remote,while it is close to Hordeum bogdanii.Psathyrostachys juncea and the species of Leymus have closer relationship;③The species of those that contain similar genomes are clustered together;④The results of isozyme analysis are basically consistent with those obtained from studies on cytology and morphology.

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What this paper is about

The esterase isozyme(EST)and superoxide isozyme(SOD)of 24 species of Leymus,Australopyrum,Agropyron,Lophopyrum,Pseudoroegneria,Psathyrostachys and Hordeum in triticeae were analyzed by using polyacrylamid gel electrophoresis(PAGE)technique.The results show as follows:①All the 24 species have significant isozymes polymorphism,with a total of 45 bands separated;②The relationship between L.chinensis and the other 13 species of Leymus is remote,while it is close to Hordeum bogdanii.Psathyrostachys juncea and the species of Leymus have closer relationship;③The species of those that contain similar genomes are clustered together;④The results of isozyme analysis are basically consistent with those obtained from studies on cytology and morphology.

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Available abstract

The esterase isozyme(EST)and superoxide isozyme(SOD)of 24 species of Leymus,Australopyrum,Agropyron,Lophopyrum,Pseudoroegneria,Psathyrostachys and Hordeum in triticeae were analyzed by using polyacrylamid gel electrophoresis(PAGE)technique.The results show as follows:①All the 24 species have significant isozymes polymorphism,with a total of 45 bands separated;②The relationship between L.chinensis and the other 13 species of Leymus is remote,while it is close to Hordeum bogdanii.Psathyrostachys juncea and the species of Leymus have closer relationship;③The species of those that contain similar genomes are clustered together;④The results of isozyme analysis are basically consistent with those obtained from studies on cytology and morphology.

Key concepts: Leymus, Triticeae, Isozyme, Biology, Esterase, Botany, Hordeum vulgare, Hordeum

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