Specificity in vitamin requirement among anastomosis groups of Rhizoctonia solani Kuehn.

Ogoshi, Akira; Ui, Tadao

doi:10.3186/jjphytopath.45.47

Cited by 31 publications

(23 citation statements)

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“…It has been well documented that Rhizoctonia solani Kuhn involves physiologically, 19,23) biochemically, 16) serologically1) and ecologically30, 81) different groups. Some researchers18, 20, 21,22) have attempted to divide this fungus to some groups with anastomosis behaviours .…”

Section: Introductionmentioning

confidence: 99%

A comparison of DNA base compositions among anastomosis groups in Rhizoctonia solani Kuehn.

Kuninaga

Yokosawa

1980

Jpn. J. Phytopathol.

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Base composition of DNAs of 30 isolates of Rhizoctonia solani Kuhn was compared.The relationships between the base composition of DNA and each anastomosis group or cultural type were investigated.The range of guanine plus cytosine (GC) content of R. solani DNA was 40.9 to 49.3 mole %, and its average was 45.3 mole %. The GC contents of the isolates within each anasto mosis group were almost same. Little difference of GC content was observed between the sasakii type (IA) and the web-blight type (IB) in AG-1. Furthermore GC contents of the rush type (IIIB) and the root rot type (IV) in AG-2-2, were quite similar.While a signifi cant difference was observed between the potato type (IV) in AG-3 and the root rot type (IV).AG-1 showed the highest GC content (avg. 48.8 mole %) among all of the anastomosis groups, followed by AG-4 (avg. 47.3mole %), AG-3 (avg. 47.1mole %), AG-5 (avg. 45.2 mole %), AG-2-2 (avg. 44.6mole %), AG-2-1 (avg. 43.7mole %), AG-6 (avg. 41.8mole %) and AG-BI (avg. 41.4mole %). These results suggest that each anastomosis group must be regarded as a genetically independent unit.

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Section: Introductionmentioning

confidence: 99%

A comparison of DNA base compositions among anastomosis groups in Rhizoctonia solani Kuehn.

Kuninaga

Yokosawa

1980

Jpn. J. Phytopathol.

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“…with Ceratobasidium teleomorphs have been reported. A system developed in Japan (Ogoshi et al,1979(Ogoshi et al, , 1983Hyakumachi et al, 2005) includes 21 anastomosis groups designated AG-A to AG-U, in which at present AG-J and AG-M still are in question as members of binucleate Rhizoctonia. Another system developed in the USA (Burpee et al, 1980a) includes 7 anastomosis groups designed as CAG-1 to CAG -7.…”

Section: Introductionmentioning

confidence: 99%

General Description of Rhizoctonia Species Complex

Yang¹,

Li²

2012

Plant Pathology

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“…For the biological bases of AG, vitamin requirement analysis (Ogoshi and Ui, 1979), serological studies (Adams and Butler, 1979), fatty acid analyses , isozyme analyses (Reynolds et al, 1983), total soluble protein pattern (Liu and Ge, 1988), GC content analysis and DNA-DNA hybridization (Kuninaga and Yokozawa, 1980) had been studied. Recently, molecular biological techniques have been used in combination with morphological and physiological markers for the analysis of R. solani population (Guleria et al, 2007).…”

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Taxonomic Position of Korean Isolates of Rhizoctonia solani Based on RAPD and ITS Sequencing of Ribosomal DNA

Jeon¹,

Kim²,

Kim³

et al. 2010

The Plant Pathology Journal

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Taxonomic position of 46 Korean isolates of Rhizoctonia solani which were classified into nine intraspecific groups by anastomosis and cultural characteristics was analyzed by randomly amplified polymorphic DNA (RAPD) and sequence analyses of the internal transcribed spacer (ITS) regions of ribosomal DNA. All the isolates within each group showed highly similar band patterns in RAPD. The ITS regions of the isolates within the same groups showed a high level of sequence similarity above 96.0% whereas similarities among different groups were below 94.4%. When compared with several reference strains of R. solani from foreign countries, all the Korean isolates were clustered with the foreign isolates belonging to the same groups in the phylogenetic tree. All six Korean strains of AG-4 were identified as HG-1 out of 3 subgroup of AG-4. We discussed taxonomic position of Korean isolates of R. solani and showed that sequence analysis with ITS regions could be a rapid and useful method for identification of intraspecific group of R. solani.

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Specificity in vitamin requirement among anastomosis groups of Rhizoctonia solani Kuehn.

Abstract: The influence of vitamins

Cited by 31 publications

References 0 publications

A comparison of DNA base compositions among anastomosis groups in Rhizoctonia solani Kuehn.

A comparison of DNA base compositions among anastomosis groups in Rhizoctonia solani Kuehn.

General Description of Rhizoctonia Species Complex

Taxonomic Position of Korean Isolates of Rhizoctonia solani Based on RAPD and ITS Sequencing of Ribosomal DNA

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