Intracellular mitochondrial diversity in various strains of Saccgarintces cerevisiae.

Avers, Charlotte J.; Rancourt, Martha W.; Lin, Fu Hai

doi:10.1073/pnas.54.2.527

Cited by 31 publications

(18 citation statements)

References 17 publications

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“…In addition to the evidence for the occurrence of the components of a genetic system, there is evidence indicating that this system is at work in the mitochondrion, specifying certain aspects of mitochondrial structure. Avers et al (1) have shown in yeast the persistence of diverse mitochondrial genotypes and enzyme systems in common nucleocytoplasmic backgrounds, which is indicative of autonomous control of mitochondrial phenotype. This is strongly supported by the findings of Woodward and Munkres (27) who have demonstrated a mitochondrial protein alteration resulting from a cytoplasmic mutation, pokey, in Neurospora; and Monolou et al (13) showed changes in the buoyant density of mitochondrial DNA in the cytoplasmic yeast "petite" mutants, which possess an altered mitochondrial protein.…”

Section: Crmentioning

confidence: 99%

“…Sussman has evidence which shows that there is regulatory communication between Neurospora hyphae growing in the vicinity of each other, even though they are not anastomosed. 1 The mitochondrion has been found to contain DNA in significant amounts in Neurospora crassa (Luck and Reich, reference 12), and in numerous other plant and animal species. Mitochondrial DNA has been observed in situ (Nass and Nass, references 14, 15; Nass et al, reference 16; Schuster, reference 19) in many species, and Vogel (21) showed that DNA replication keeps pace with mitochondrial division.…”

Section: Crmentioning

confidence: 99%

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SYNCHRONOUS MITOCHONDRIAL DIVISION IN NEUROSPORA CRASSA

Hawley¹,

Wagner²

1967

The Journal of Cell Biology

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Samples of mycelium of Neurospora crassa of known age were harvested from agar plates and examined with the electron microscope. The relative volume of the mitochondria was determined for mycelium of different ages. The volume measurements indicated that the mitochondria were dividing synchronously in fronts 6, 13, and 22k• hr behind the growing hyphal tips. The sequence of mitochondrial division is hypothesized to include mitochondrial cupping followed by division which results in closely associated daughter mitochondria. On the basis of percentages of mitochondrial cupping and association, mitochondrial division was postulated to be occurring at 6, 14, and 26 hr. Close agreement between the mycelial mass doubling time and the calculated mitochondrial mass doubling time indicates that synchronous mitochondrial division is sufficient to maintain growth. The possibility that mitochondrial division is due to intercellular regulation of a mitochondrial genetic system is advanced.

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Section: Crmentioning

confidence: 99%

Section: Crmentioning

confidence: 99%

SYNCHRONOUS MITOCHONDRIAL DIVISION IN NEUROSPORA CRASSA

Hawley¹,

Wagner²

1967

The Journal of Cell Biology

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“…Strain 0 3 3 , a mutant strain, obtained from Dr. C. J. Avers, Rutgers University, was 40% deficient in its cytochrome c oxidase activity and designated DP33 (Avers et al 1965 …”

Section: Yeast Strainsmentioning

confidence: 99%

Mitochondriogenesis: a comparative study of some commonly used strains of Saccharomyces cerevisiae

Ball¹,

Janki²,

Tustanoff³

1971

Can. J. Microbiol.

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BALL, A. J. S., R. M. JANKI, and E. R. TUSTANOFF. 1971. Mitochondriogenesis: a comparative study of some commonly used strains of Saccharomyces cerevisiae. Can. J. Microbial. 17: 1125-1131. In view of the numerous different yeast strains which are used in studies of mitochondriogenesis, we considered that a comparative study of some of these strains would provide useful information for workers in this field. T o this end, we have compared the growth characteristics of several widely used strains and of some randomly selected strains from our culture collection. The yeast were grown on glucose, both aerobically and anaerobically; parameters studied included ethanol nietabolisni, respiratory quotients, growth rates, and carbon source utilization.The nine strains can be divided into three classes: class 1, Brewers yeast showing very fast fermentation and high ethanol yields together with a pronounced diauxic, aerobicgrowth curve; class 2, wine yeasts with a slower fermentation rate, lower ethanol yields, and poorer growth under anaerobic conditions; class 3, a miscellaneous collection including auxotrophs, petites, and an obligate aerobic yeast.It is concluded that a large proportion of the work done on mitochondriogenesis has been performed on similar yeast strains but that some caution must be exercised when comparing yeasts from different classes.

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“…Such heterogeneity or mitochondrial polymorphism has been found in several instances. In yeast it has been shown that two kinds of mitochondria may exist in the same cell, those that contain cytochrome c oxidase and those that do not (40). Normal rat-liver mitochondria distributed by size following centrifugation in a linear density gradient showed a heterogeneous distribution of several of 12 mitochondrial enzymes assayed (41).…”

Section: Heterogeneity Of Mitochondriamentioning

confidence: 99%

Genetics and Phenogenetics of Mitochondria

Wagner

1969

Science

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Intracellular mitochondrial diversity in various strains of Saccgarintces cerevisiae.

Cited by 31 publications

References 17 publications

SYNCHRONOUS MITOCHONDRIAL DIVISION IN NEUROSPORA CRASSA

SYNCHRONOUS MITOCHONDRIAL DIVISION IN NEUROSPORA CRASSA

Mitochondriogenesis: a comparative study of some commonly used strains of Saccharomyces cerevisiae

Genetics and Phenogenetics of Mitochondria

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