Interspecific crosses and crossing-over in Neurospora

Interspecific crosses and crossing-over in Neurospora

Through a series of backcrosses the centromere region of linkage group I of Neurospora crassa was transferred to the N. sitophila genome, and through another series of backcrosses the centromere region of linkage group I of N. sitophila was transferred to N. crassa. Strains thus synthesized showed,...

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Veröffentlicht in:Genetical Research 1972-04, Vol.19 (2), p.115-119
Hauptverfasser: Newcombe, K. D., Threlkeld, S. F. H.
Format: Artikel
Sprache:eng
Schlagworte:
Crosses, Genetic
Crossing Over, Genetic
Genetic Linkage
Neurospora
Neurospora crassa
Neurospora sitophila
Recombination, Genetic
Species Specificity
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Zusammenfassung:Through a series of backcrosses the centromere region of linkage group I of Neurospora crassa was transferred to the N. sitophila genome, and through another series of backcrosses the centromere region of linkage group I of N. sitophila was transferred to N. crassa. Strains thus synthesized showed, in further crosses, that the N. sitophila centromere region acts as a dominant enhancer of cross-over frequencies across linkage group I of the two species.
ISSN:0016-6723
1469-5073
DOI:10.1017/S0016672300014336