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Saturday, July 18, 2020 | History

2 edition of Mitochondrial plasmids of Agaricus. found in the catalog.

Mitochondrial plasmids of Agaricus.

Mary Margaret Robison

Mitochondrial plasmids of Agaricus.

by Mary Margaret Robison

  • 290 Want to read
  • 24 Currently reading

Published .
Written in English


The Physical Object
Pagination152 leaves.
Number of Pages152
ID Numbers
Open LibraryOL17429065M
ISBN 100612028399

Schematic view of Pleurotus ostreatus mitochondrial dpo1–2 and plasmid DNA polymerase (pdpo). The dpo1 and dpo2, both are truncated copies, were identified in Pleurotus ostreatus (strain P51) mitochondrial genome. The pdpo gene was found in a linear plasmid in the same strain. species that normally senesce, insertion of the plasmids into the mtDNA has been correlated with an increased life-span (Hermanns et al. ; Maas et al. ; Nakagawa et al. ). Among Basidiomycota, invertron-like DNA plasmids have been completely sequenced in Agaricus .

Current perspectives on mitochondrial inheritance in fungi Jianping Xu,1,2 He Li2 1Department of Biology, McMaster University, Hamilton, Canada; 2The Key Laboratory for Non-Wood Forest Cultivation and Conservation of the Federal Ministry of Education, Central South University of Forestry and Technology, Changsha, People’s Republic of China Abstract: The mitochondrion is an essential.   a, Three-dimensional reconstructions of ER and mitochondria in MEFs of indicated ds co-transfected with ER-YFP and MT-RFP are specified. Yellow indicates that organelles are closer.

Taxonavigation []. Regnum: Virus Group IV: ssRNA(+) Ordo: Unassigned Familia: Barnaviridae Genus: Barnavirus Name []. Barnaviridae References []. Revill, P.A. Structure and function of mitochondria and chloroplasts. Endosymbiosis. Google Classroom Facebook Twitter. Email. Prokaryotes and eukaryotes. Prokaryotic and eukaryotic cells. Prokaryotic cells. Intro to eukaryotic cells. Mitochondria and chloroplasts. This is the currently selected item.


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Mitochondrial plasmids of Agaricus by Mary Margaret Robison Download PDF EPUB FB2

The incidence of the linear mitochondrial plasmid pEM inAgaricusspp. was believed to be rare, based on visualization by gel electrophoresis and Southern hybridization.

However, we report in this study PCR amplification of pEM-like sequences from all but one species of Agaricus by: Atnt, the mitochondrial genome in Agaricus bisporus represents the largest fungal mitochondrial genome sequenced to date.

Its large size is mainly due to the presence of mobile genetic elements, including a total of 43 group I introns, three group II introns, and five DNA fragments that show sequence similarity to linear invertron-like by: Mitochondrial DNA (mtDNA) was purified from 12 isolates of the Trichoderma viride aggregate and found to be, on the average, kb in size.

Plasmids were present in the mtDNA preparations from 8. This indicates a mitochondrial plasmid origin of the non-conserved ORFs or increased mitochondrial genome dynamics of species harbouring mitochondrial plasmids. We hypothesise that two independent factors are the driving forces for large mitochondrial genomes: the homing endonuclease genes in introns and integration of plasmid by:   Plasmids are circular or linear and occur in the mitochondria of some cytoplasmically male sterile lines of maize plants and relatives.

Their sizes vary between to kb. The main types are S, R, and D. S2, R2, and D2 are the same and R1 and. Robison, M. M., and Horgen, P. Plasmid loss in Agaricus bitorquis without alterations in homologous mitochondrial mental Mycology, 18, An isolate of the basidiomycete Agaricus bitorquis, a common edible lawn mushroom, contains two linear mitochondrial the intent of creating a plasmidless (or "cured") version of this isolate for future studies.

Anuja Bhardwaj, Kshipra Misra, in Management of High Altitude Pathophysiology, Others. Agaricus muscarius and Pulsatillaare two other most-often indicated remedies, besides Aloe vera, for chilblains, covering about two-thirds of cases. Agaricus is worse for cold and has symptoms resembling frostbite.

Pulsatilla is worse in the evening and from exposure to heat (Foubister. The mitochondria of filamentous fungi contain a rich array of plasmids and plasmid-like DNAs. In this regard, the fungi appear to be exceptional among eukaryotes, from which a relatively small number of plasmids have been described.

In contrast to mitochondrial plasmids, only a few nucleus-associated plasmids are known in lower eukaryotes. Agaricus bisporus, the cultivated mushroom, contains a mitochondrial fragment (50H) which was previously demonstrated by Southern hybridization to have sequence similarity to an internal region of pEM, a linear mitochondrial plasmid of Agaricus bitorquis.

The nucleotide sequence of 50H was determined and compared to the sequence of the corresponding pEM fragment. Many fungal mitochondrial plasmids are DNA and RNA polymerase-encoding invertrons with terminal inverted repeats and 5'-linked proteins. The aim of this study was to carry out comparative and phylogenetic analyses of DNA and RNA polymerases for all known linear mitochondrial plasmids in fungi.

We performed these analyses at both. Meyer R, Hintz W, Mohan M, Robison M, Anderson JB, Horgen PA () Homology of Agaricus mitochondrial plasmids with mitochondrial DNA. Genome – CrossRef Google Scholar Miller RE () Evidence of sexuality in the cultivated mushroom, Agaricus bisporus.

Mitochondrial plasmids of Neurospora: integration into mitochondrial DNA and evidence for reverse transcription in mitochondria. Cell. Nov 21; 47 (4)– Akins RA, Kelley RL, Lambowitz AM. Characterization of mutant mitochondrial plasmids of Neurospora spp. that have incorporated tRNAs by reverse transcription.

Homology between mitochondrial DNA of Agaricus bisporus and an internal portion of a linear mitochondrial plasmid of Agaricus bitorquis.

Curr Genet. Jun; 19 (6)– Oeser B, Tudzynski P. The linear mitochondrial plasmid pClK1 of the phytopathogenic fungus Claviceps purpurea may code for a DNA polymerase and an RNA polymerase. Download Citation | A Phylogeny of the Genus Agaricus Based on Mitochondrial atp6 Sequences | The genus Agaricus includes the most economically-important, commercially-cultivated mushroom in the.

A strain of Agaricus bitorquis (Ag4) contains two linear plasmids, pEM and pMPJ. Restriction maps for these two plasmids were determined. Similar plasmid-like DNAs were found to be present in some. Agaricus is a genus of mushrooms containing both edible and poisonous species, with possibly over members worldwide.

The genus includes the common ("button") mushroom (Agaricus bisporus) and the field mushroom (A. campestris), the dominant cultivated mushrooms of the s of Agaricus are characterized by having a fleshy cap or pileus, from the underside of which grow a number of.

The occurrence of mitochondrial plasmids in Trichoderma was reported for T. viride (16), T. aggressivum f. aggressivum (4), and T. harzianum (1,4). In Fusarium oxysporum f. conglutinans.

This indicates a mitochondrial plasmid origin of the non-conserved ORFs or increased mitochondrial genome dynamics of species harbouring mitochondrial plasmids. A genetic linkage map for Agaricus bisporus. R.W. Kerrigan, P.A. Horgen & J.B. Anderson 31 Mitochondrial plasmids and homologous sequences in Agaricus.

Mary M. Robinson & Paul A. Horgen 37 Mitochondrial genotypes and their inheritance in the cultivated mushroom Agaricus bisporus. Anton S.M. Sonnenberg, P.C.C. Van Loon & L.J.L.D. Van Griensven The ribosomal DNA (rDNA) repeat of Agaricus brunnescens (= us) was cloned and mapped for six restriction map positions of the 26S, 18S, and S rRNA genes on the kilo base pairs (kbp) repeat were determined by alignment of.

Plasmids often attain a high copy number, in excess of that of mitochondrial DNA. Linear plasmids have a protein attached to their 5' end, and this is presumed to act as a replication primer. Most plasmids are neutral passengers, but several linear plasmids integrate into mitochondrial .The Genus Agaricus [ Basidiomycota > Agaricales > Agaricaceae > Agaricus by Michael Kuo.

The mushrooms in Agaricus are terrestrial saprobes, and have caps that are not brightly maturity the gills are free or almost free from the stem, and are dark brown.

The stem breaks away cleanly from the cap—a fact known to anyone who has cleaned commercial "button mushrooms" from the.Plasmids in Agaricus.-The plasmids that hybridized to pEM or pMPJ are probably linear mitochondrial plasmids. These plasmids had linear restriction maps (FIG. 2), and pEM and pMPJ are known to reside in the mitochondria (Mohan et al., ).

The plasmids that hybridized to pEM all hybridized strongly to all three internal pEM subclones (FIG. 2).