A STUDY OF THE GENETIC DIVERSITY OF ASPERGILLUS FLAVUS LINK POPULATION

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HEYDARIAN R.; JAVAN NIKKHAH M.; SHARIFI TEHRANI A.

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Paper Information

Journal: IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE) Year:2007 | Volume:38 | Issue:1 Page(s): 173-179

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Information Journal Paper

Title

A STUDY OF THE GENETIC DIVERSITY OF ASPERGILLUS FLAVUS LINK POPULATION

Author(s)

HEYDARIAN R. | JAVAN NIKKHAH M. | SHARIFI TEHRANI A. | Issue Writer Certificate

Keywords

ASPERGILLUS FLAVUSQ3

VCGSQ3

GENETIC DIVERSITYQ2

PISTACHIOQ3

SCLEROTIUMQ3

Abstract

Seventy seven monoconidial isolates of A. flavus were recovered from PISTACHIO seed and PISTACHIO processing residues at different areas of Kerman province. Nitrate non-utilizing mutants (nit) were isolated on Czapek Dox Agar amended with KClO3 for 48 isolates, with other isolates producing no nit mutants. Phenotype of nit mutants was determined on Czapek amended with various nitrogen sources (nitrate, nitrite, amonium, uric acid and hypoxantine), so that 75% of mutants were found to be nit1, 18% nit3 and 7% nitM. Complementation between nit mutants was tested on Czapek Dox Agar. Twenty one isolates were assigned to four vegetative compatibility groups (VCGs) based on formation of heterocaryon, designated as Af1, Af2, Af3 and Af4, while 27 isolates produced no heterocaryon and did not categorize into any VCG. SCLEROTIUM production ability was analyzed for all isolates in which only 16.6% of isolates were found to produce SCLEROTIUM. There was no relationship observed between vegetative compatibility groups (VCGs), SCLEROTIUM production ability and geographic distribution. This study revealed that population of the fungus did not show any high level of diversity in Kerman province even though isolates can exchange genetic materials through hyphal anastomosis and formation of heterocaryon.

Cites

ANALYSIS OF SOIL POPULATIONS OF ASPERGILLUS FLAVUS LINK. FROM PISTACHIO ORCHARDS IN IRAN FOR VEGETATIVE COMPATIBILITY

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APA: Copy

HEYDARIAN, R., JAVAN NIKKHAH, M., & SHARIFI TEHRANI, A.. (2007). A STUDY OF THE GENETIC DIVERSITY OF ASPERGILLUS FLAVUS LINK POPULATION. IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE), 38(1), 173-179. SID. https://sid.ir/paper/8618/en

Vancouver: Copy

HEYDARIAN R., JAVAN NIKKHAH M., SHARIFI TEHRANI A.. A STUDY OF THE GENETIC DIVERSITY OF ASPERGILLUS FLAVUS LINK POPULATION. IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE)[Internet]. 2007;38(1):173-179. Available from: https://sid.ir/paper/8618/en

IEEE: Copy

R. HEYDARIAN, M. JAVAN NIKKHAH, and A. SHARIFI TEHRANI, “A STUDY OF THE GENETIC DIVERSITY OF ASPERGILLUS FLAVUS LINK POPULATION,” IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE), vol. 38, no. 1, pp. 173–179, 2007, [Online]. Available: https://sid.ir/paper/8618/en

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