Meiotic behavior of a supernumerary chromosome in Magnaporthe oryzae

Current Genetics
I ChumaS Mayama

Abstract

A 1.2-Mb DNA band from an isolate of Magnaporthe oryzae was detected in a pulsed-field gel. A chromosomal entity corresponding to this band was observed at the mitotic metaphase stage. This minichromosome, carrying many transposable elements and two telomeres, was transmitted to ascosporic F(1) cultures in a non-Mendelian manner with frequent changes in its size and number. Segregation analysis with RFLP markers indicated that the minichromosome underwent structural rearrangements, such as deletion and duplication, not only during meiosis but also after meiosis. An ectopic sister chromatid recombination may cause the size variation of the minichromosomes.

References

Dec 1, 1989·Proceedings of the National Academy of Sciences of the United States of America·J E HamerF G Chumley
Nov 21, 1995·Proceedings of the National Academy of Sciences of the United States of America·P KachrooB B Chattoo
Feb 1, 1995·BioEssays : News and Reviews in Molecular, Cellular and Developmental Biology·H L Klein
Nov 1, 1994·Molecular & General Genetics : MGG·P KachrooB B Chattoo
Dec 1, 1995·Microbiological Reviews·M E Zolan
Jul 1, 1995·Molecular Plant-microbe Interactions : MPMI·H G KimH C Kistler
Aug 1, 1997·Molecular Plant-microbe Interactions : MPMI·J EnkerliS F Covert
Jun 10, 1998·Current Genetics·S F Covert
Feb 1, 1993·Applied and Environmental Microbiology·N J TalbotJ E Hamer
Jan 1, 1991·Annual Review of Phytopathology·B Valent, F G Chumley

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Citations

May 11, 2007·Annual Review of Phytopathology·Daniel J Ebbole
Oct 1, 2014·Nature Reviews. Genetics·David S GuttmanPaul Schulze-Lefert
Apr 5, 2011·Current Opinion in Plant Biology·Sarah Maria Schmidt, Ralph Panstruga

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