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Titolo:
AFLP fingerprinting of Chinese epidemic strains of Puccinia striiformis f.sp tritici
Autore:
Zheng, WM; Liu, F; Kang, ZS; Chen, SY; Li, ZQ; Wu, LR;
Indirizzi:
Chinese Acad Sci, Inst Genet, Beijing 100101, Peoples R China Chinese AcadSci Beijing Peoples R China 100101 100101, Peoples R China NW Agr Univ, Dept Plant Protect, Yangling 712100, Peoples R China NW Agr Univ Yangling Peoples R China 712100 ling 712100, Peoples R China Chinese Acad Agr Sci, Inst Plant Protect, Beijing 100094, Peoples R China Chinese Acad Agr Sci Beijing Peoples R China 100094 094, Peoples R China Henan Agr Univ, Bioengn Coll, Zhengzhou 450002, Peoples R China Henan Agr Univ Zhengzhou Peoples R China 450002 450002, Peoples R China
Titolo Testata:
PROGRESS IN NATURAL SCIENCE
fascicolo: 8, volume: 11, anno: 2001,
pagine: 587 - 593
SICI:
1002-0071(200108)11:8<587:AFOCES>2.0.ZU;2-5
Fonte:
ISI
Lingua:
ENG
Soggetto:
GENETIC DIVERSITY;
Keywords:
Puccinia striiformis; AFLP; DNA fingerprinting; cluster analysis; evolution relationship;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
16
Recensione:
Indirizzi per estratti:
Indirizzo: Chen, SY Chinese Acad Sci, Inst Genet, Beijing 100101, Peoples R China Chinese Acad Sci Beijing Peoples R China 100101 Peoples R China
Citazione:
W.M. Zheng et al., "AFLP fingerprinting of Chinese epidemic strains of Puccinia striiformis f.sp tritici", PROG NAT SC, 11(8), 2001, pp. 587-593

Abstract

Amplified fragment length polymorphism (AFLP) was used to fingerprint the epidemic strains CY25, CY27, CY28, CY29, CY30, CY31, Hy3, Hy7, Sy13 and a mutant strain WV-4 of P. striiformis f. sp. tritici, the pathogen of wheat stripe rust. The results showed that (i) genetic diversity existed in the pathogen populations, and based on it a dendrogram of these strains was constructed by unweighted pair-group mean average to demonstrate the relationships of the tested strains; (ii) no significant correlation between virulenceof the pathogens and the polymorphism of DNA fingerprints was found; (iii)AFLP fingerprints showed higher polymorphism than that of the virulence variation; (iv) several new pathotypes identified might evolve independently of the reference strains identified before.

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Documento generato il 19/01/20 alle ore 20:32:09