Isolation of the B incompatibility factor mutants in Pleurotus ostreatus
B incompatibility factor mutants (Bmut) in Pleurotus ostreatus were recovered from common-B mating heterokaryons resulted from matings between wild-type monokaryons with different A but the same B factors (A1B2 and A2B2) after NTG mutagenesis. The mutant monokaryons such as A1B2mut and A2B2mut were...
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| Veröffentlicht in: | Mycoscience 2002-06, Vol.43 (3), p.197-200 |
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| creator | Obatake, Y (Nara-ken. Forest Research Inst., Takatori (Japan)) Murakami, S Hasebe, K Fukumasa Nakai, Y |
| description | B incompatibility factor mutants (Bmut) in Pleurotus ostreatus were recovered from common-B mating heterokaryons resulted from matings between wild-type monokaryons with different A but the same B factors (A1B2 and A2B2) after NTG mutagenesis. The mutant monokaryons such as A1B2mut and A2B2mut were observed to have regularly uninucleated hyphal cells and to be compatible with each other. Matings between A1B2mut and A2B2mut monokaryons produced stable heterokaryons (A1B2mut + A2B2mut) that had binucleated hyphal cells with true clamp connections and formed normal fruit-bodies. Mating tests using basidiospore progeny from each of these heterokaryons revealed the bipolar mating pattern. Genetic analysis suggested that the mutation of B factor in P. ostreatus might occur in the B incompatibility factor genes. |
| doi_str_mv | 10.1007/S102670200028 |
| format | Article |
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Forest Research Inst., Takatori (Japan)) ; Murakami, S ; Hasebe, K ; Fukumasa Nakai, Y</creator><creatorcontrib>Obatake, Y (Nara-ken. Forest Research Inst., Takatori (Japan)) ; Murakami, S ; Hasebe, K ; Fukumasa Nakai, Y</creatorcontrib><description>B incompatibility factor mutants (Bmut) in Pleurotus ostreatus were recovered from common-B mating heterokaryons resulted from matings between wild-type monokaryons with different A but the same B factors (A1B2 and A2B2) after NTG mutagenesis. The mutant monokaryons such as A1B2mut and A2B2mut were observed to have regularly uninucleated hyphal cells and to be compatible with each other. Matings between A1B2mut and A2B2mut monokaryons produced stable heterokaryons (A1B2mut + A2B2mut) that had binucleated hyphal cells with true clamp connections and formed normal fruit-bodies. Mating tests using basidiospore progeny from each of these heterokaryons revealed the bipolar mating pattern. 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Mating tests using basidiospore progeny from each of these heterokaryons revealed the bipolar mating pattern. Genetic analysis suggested that the mutation of B factor in P. ostreatus might occur in the B incompatibility factor genes.</description><subject>ISOLATION</subject><subject>KARYOTYPES</subject><subject>MATING SYSTEMS</subject><subject>MUTANTS</subject><subject>PLEUROTUS OSTREATUS</subject><issn>1340-3540</issn><issn>1618-2545</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><recordid>eNpVkEFLxDAUhIMouK4ePQo5eau-l7RN9qiLuisLLqjnkE0TrbRNTdLD_nsj60UYeMObjzkMIZcINwggbl8RWC2AAQCTR2SGNcqCVWV1nD0voeBVCafkLMYvABQ1ZzOyWkff6dT6gXpH06el97QdjO_H_Ny1XZv21GmTfKD9lPSQYo7ptrNT8GmK1McUrM7unJw43UV78Xfn5P3x4W25KjYvT-vl3aYwjMlUGC52Rpeibqw1AtFIV2u-4IY1DpzhaLWFErBiXLtq55yDCpuGw8LWwlrkc3J96B2D_55sTKpvo7Fdpwfrp6hQSiFBLjJYHEATfIzBOjWGttdhrxDU717q316ZvzrwTnulP0Ib1fM2Z1k1loz_AIelZwc</recordid><startdate>20020601</startdate><enddate>20020601</enddate><creator>Obatake, Y (Nara-ken. 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Matings between A1B2mut and A2B2mut monokaryons produced stable heterokaryons (A1B2mut + A2B2mut) that had binucleated hyphal cells with true clamp connections and formed normal fruit-bodies. Mating tests using basidiospore progeny from each of these heterokaryons revealed the bipolar mating pattern. Genetic analysis suggested that the mutation of B factor in P. ostreatus might occur in the B incompatibility factor genes.</abstract><doi>10.1007/S102670200028</doi><tpages>4</tpages></addata></record> |
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| subjects | ISOLATION KARYOTYPES MATING SYSTEMS MUTANTS PLEUROTUS OSTREATUS |
| title | Isolation of the B incompatibility factor mutants in Pleurotus ostreatus |
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