PREFERENTIAL ASCUS DISCHARGE DURING CROSS MATURATION IN SORDARIA BREVICOLLIS

Author:

MacDonald D J1,Bond D J2

Affiliation:

1. Institute of Animal Genetics, King's Buildings, Edinburgh University, Edinburgh, EH9 2JN Scotland

2. Institute of Animal Genetics, King's Buildings, Edinburgh University, Edinburgh, EH9 3JN Scotland

Abstract

ABSTRACT Crosses involving spore color mutants of Sordaria brevicollis all showed a decline in the frequency of second division asymmetric asci (2:2:2:2's) as the cross matured. This decline was due to the preferential maturation and/or discharge of these asci. The proportion of spindle overlap and recombinational asci within the group did not change as shown by ascus dissection. The preferential discharge was also found to occur in two-point crosses where the asci did not contain wild-type spores.

Publisher

Oxford University Press (OUP)

Subject

Genetics

Cited by 2 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Time-dependent changes in gene conversion inAscobolus immersus;Genetical Research;1991-04

2. A system for the study of meiotic non-disjunction using Sordaria bervicolis;Mutation Research/Fundamental and Molecular Mechanisms of Mutagenesis;1976-11

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