Genetic recombination in Neurospora crassa and N. sitophila
نویسندگان
چکیده
منابع مشابه
Heterokaryosis in Neurospora sitophila.
ETEROKARYOSIS has been extensively used as a major tool in formal genetic analysis of both Mendelian and non-Mendelian genes and in establishing gene-enzyme relationships. So far it is the only way to perform genetic anslysis of somatic cells in tissue culture (EPHRUSSI 1965; MINTZ and BAKER 1967). These aspects of heterokaryosis have been reviewed elsewhere ( JINKS 1965; FINCHAM 1966; DAVIS 19...
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NE of the most convincingly documented genetic phenomena is the great Ovariabi l i t y in spontaneous mutation frequencies at different genetic sites. This variability is seen most readily in BENZER’S topographic maps of the rII region of phage T4 in which the linear distributions of mutants of different origins are compared (BENZER 1961). Restricting our attention to spontaneously arising muta...
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Forward genetic analysis is the most broadly applicable approach to discern gene functions. However, for some organisms like the filamentous ascomycete Neurospora crassa, genetic mapping frequently represents a limiting step in forward genetic approaches. We describe an efficient method for genetic mapping in N. crassa that makes use of a modified bulked segregant analysis and PCR-based molecul...
متن کاملGenetic and Non-Genetic Factors in Pigmentation of Neurospora Crassa.
HE biochemical genetics of carotenoid pigments has been studied in the T tomato ( LEROSEN et al. 1941 ; MACKINNEY and JENKINS 1949 ; PORTER and LINCOLN 1950), corn (MANGELSDORF and FRAPS 1931) and red yeast (BONNER et al. 1946). HAXO (1949) worked out the carotenoid components of the wild type Neurospora. The present paper deals with genetic and biochemical studies of a modifier system for pigm...
متن کاملSomatic recombination in pseudowild-type cultures of Neurospora crassa.
Populations in heterotic equilibrium show a greater percentage decrease than populations in mutational equilibrium, but the difference is very small for rare genes. Mortality and morbidity data on inbred offspring from consanguineous marriages cannot distinguish genes in one type of equilibrium from those in another. The current concept of genetic load is based on artefacts rather than on inher...
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ژورنال
عنوان ژورنال: Genetical Research
سال: 1965
ISSN: 0016-6723,1469-5073
DOI: 10.1017/s0016672300004109