PMID: 9440514Jan 24, 1998Paper

Cell reproduction and morphological changes in Mycoplasma capricolum

Journal of Bacteriology
S Seto, M Miyata

Abstract

The cell reproduction of Mycoplasma capricolum was studied. The velocity of DNA replication fork progression was about 6 kb/min, which is 10 times slower than that of Escherichia coli. The time required for one round of DNA replication accorded with the doubling time. The origin/terminus ratio was 2.0. M. capricolum cell morphology was classified into two types, rod and branched. In the ordinary-growth phase, the rod cells accounted for about 90% of the total population, with branched cells comprising the remaining 10%. The proportion of branched cells increased to 90% following inhibition of DNA replication by nucleoside starvation. An increase in the proportion of branched cells was induced by transfer of a temperature-sensitive mutant deficient in DNA replication to the restrictive temperature. The rod cells had a regular structure, a fixed cell length, and constrictions in the center. The DNA contents of individual rod cells were distributed with a standard deviation of 0.40 of average. The branched cells had irregular structures and a wide distribution of DNA contents. Counting of viable cells revealed that the cells ceased division upon cell type conversion; however, branched cells maintained a reproductive capacity. A mo...Continue Reading

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Citations

Sep 1, 1999·Proceedings. Biological Sciences·T Vellai, G Vida
Jun 9, 2004·Microbiology·Eduardo P C Rocha
Oct 8, 2004·Biotechnology and Bioengineering·Samuel T BrowningMichael L Shuler
Feb 18, 2006·Journal of Bacteriology·Arieh ZaritskySvetlana Alexeeva
Jun 30, 2007·Science·Carole LartigueJ Craig Venter
Sep 26, 2007·Nihon saikingaku zasshi. Japanese journal of bacteriology·Makoto Miyata
Sep 20, 2006·Journal of Molecular Microbiology and Biotechnology·Makoto Miyata, Hiroshi Ogaki
May 11, 2010·Biochemistry and Cell Biology = Biochimie Et Biologie Cellulaire·Gregory W Clark, Elisabeth R M Tillier
Dec 18, 2020·Molecular Systems Biology·Dominick MatteauSébastien Rodrigue
Sep 28, 1999·Journal of Bacteriology·S Seto, M Miyata
Mar 31, 2021·Cell·James F PelletierElizabeth A Strychalski
Dec 5, 1998·Microbiology and Molecular Biology Reviews : MMBR·S RazinY Naot

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