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  • 1
    Online Resource
    Online Resource
    New York, NY : : Springer Science+Business Media, LLC,
    In: Springer eBooks
    Type of Medium: Online Resource
    Pages: digital
    ISBN: 9780387897813
    Series Statement: Advances in plant biology ;
    Language: English
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  • 2
    Online Resource
    Online Resource
    Berlin, Heidelberg : : Springer, | Berlin, Heidelberg : : Springer Berlin Heidelberg :
    In: Springer eBooks
    Type of Medium: Online Resource
    Pages: XXV, 393 p. 49 illus., 29 illus. in color. , online resource.
    Edition: 2nd ed. 2013.
    ISBN: 9783642368219
    Series Statement: The Mycota, A Comprehensive Treatise on Fungi as Experimental Systems for Basic and Applied Research ; 11
    Language: English
    Note: Genetics and Genomics of the Cultivated Mushrooms, Application to Breeding of Agarics -- Fungal Spoilage of Crops and Food -- Genetics, Biosynthesis and Regulation of Aflatoxins and other Aspergillus flavus Secondary Metabolites -- Fungal Toxins of Agricultural Importance.-Organopollutant Degradation by Wood Decay Basidiomycetes -- Biological Control of Weeds with Fungi -- Disease Management of Phoma Infections -- Biology, Diversity and Management of FHB-Causing Fusarium Species in Small-Grain Cereals -- Ecological and Economical Importance of Parasitic Zoosporic True Fungi -- New Insights into Ectomycorrhizal Symbiosis Evolution and Function -- Ectomycorrhiza-Specific Gene Expression -- Rust Fungi: Achievements and Future Challenges on Genomics and Host-Parasite Interactions -- The Biotrophy – Necrotrophy Switch in Fungal Pathogenesis -- Pectin as a Barrier and Nutrient Source for Fungal Plant Pathogens.
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  • 3
    Unknown
    Unknown
    Berlin : : Springer Spektrum,
    Call number: M120:351
    Type of Medium: Unknown
    Pages: xv, 290 p. : , ill.
    Edition: 5. Aufl.
    ISBN: 9783662607435
    Language: English
    Branch Library: DKFZ
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  • 4
    In: Springer eBooks
    Type of Medium: Online Resource
    Pages: digital
    ISBN: 9783642023910
    Series Statement: Biotechnology in agriculture and forestry ;
    Language: English
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  • 5
    ISSN: 1432-0983
    Keywords: Key wordshAT-transposon ; Restless ; Circular transposition intermediates ; Tolypocladium inflatum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The structure and function of eukaryotic hAT-transposons has already been elucidated; however, their transposition mechanism is barely understood. We recently have discovered Restless, a fungal member of the hAT-transposon family, which shows transposition in its host Tolypocladium inflatum. Investigations of two strains from T. inflatum, carrying either about 15 copies or only a single copy of the Restless element, indicate the presence of circular transposition intermediates. Using PCR technology, amplicons were identified which carry the joined end of the Restless transposon fused at its inverted repeats. All of eight sequenced PCR fragments contained the intact transposon ends with a short insertion of 1–93 bp of genomic DNA. Remarkably, one of the discovered genomic sequences matches a previously described integration site. Our data are discussed with respect to the transposition mechanism and the horizontal transfer of hAT-transposons.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-0983
    Keywords: Key words Cytoplasmic male sterility (CMS) ; Sorghum bicolor ; Tissue-specific mitochondrial ; RNA editing ; Pollen development
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract RNA editing and cytoplasmic male sterility are two important phenomena associated with higher plant mitochondria. We recently have shown a potential function of RNA editing in CMS development. The frequency of atp6 RNA editing was specifically reduced in anthers of male-sterile Sorghum bicolor, which increased in frequency in partially restored progeny. Here we present data that show that the loss of RNA editing capability also occurs in a second nuclear background that allows the expression of male sterility. Loss of RNA editing thus appears to be associated with unique combinations of male-sterile cytoplasm and non-restoring nuclear backgrounds. In addition, the reduction of RNA editing affects both gametophytic and sporophytic anther cell-types but not other floral tissues. An analysis of F2 plants exhibiting different levels of fertility indicates a co-segregation of fertility restoration and atp6 RNA editing. The atp6 transcript abundance is similar in seedlings and anthers of male-sterile, partially restored, and male-fertile lines and thus is not associated with loss of atp6 RNA editing in anthers. A model for RNA editing and male sterility based on the data available is presented. Functional correlations with other CMS systems are also discussed.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1432-0983
    Keywords: Plant mitochondria ; RNA editing ; ATP synthase subunit 9 ; Sorghum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Genomic and cDNA sequences of the ATP synthase complex subunit 9 (atp9) genes from two sorghum lines were determined. Sequences of cDNAs revealed eight C to U transcript editing events resulting in six amino acid changes and a new stop codon which eliminated 12 carboxy-terminal residues, compared to the genomic sequence. Sorghum atp9 has a unique five-residue amino-extension relative to other higher plants. The resulting predicted 79-residue gene product has a molecular weight of 8.179 kDa. The predicted phe-valphe carboxy-terminus is identical to that from cDNA sequences of wheat, Oenothera, and petunia. Partial editing of transcripts was detected in each sorghum line.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1432-0983
    Keywords: Key words Transposon Restless ; Neurospora crassa ; DNA methylation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Methylation of foreign and/or repeated sequences in the filamentous fungus Neurospora crassa is believed to be directed against invading transposable elements. To test this hypothesis, the fate of a transposon in N. crassa was investigated. Vectors were constructed which carried the transposon Restless, an active class-II element isolated from the fungus Tolypocladium inflatum. These vectors were introduced into N. crassa strains by protoplast transformation. Two strategies were employed: (1) ectopic multi-copy integration, and (2) site-specific single-copy integration at the his-3 locus. All ectopic transformants exhibited strong methylation as confirmed by Southern hybridization of genomic DNA digested with the methylation-sensitive endonuclease Sau3AI and the methylation-insensitive endonuclease NdeII. Single copies of Restless integrated at the his-3 locus were not methylated. These results are discussed with respect to non-RIP methylation and potential consequences for gene-tagging strategies based on the use of Restless.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Molecular genetics and genomics 248 (1995), S. 89-94 
    ISSN: 1617-4623
    Keywords: Horizontal transfer ; Podospora anserina ; Ascobolus immersus ; Mitochondrial plasmid pAI2
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Direct evidence for horizontal transfer of a mitochodnrial plasmid from the discomyceteAscobolus immersus to the pyrenomycetePodospora anserina is presented. Southern blot hybridisation analysis, polymerase chain reaction (PCR) amplification, and DNA sequencing demonstrate transmission of a linear plasmid upon hyphal contact. DNA extraction from isolated organelles indicates a mitochondrial localisation for the plasmid inP. anserina. This is the first report of horizontal gene transfer among unrelated fungi. These results have important evolutionary implications for plasmid propagation in fungi.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Biologie in unserer Zeit 27 (1997), S. 114-122 
    ISSN: 0045-205X
    Keywords: Life and Medical Sciences
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology
    Notes: Ende der vierziger Jahre entdeckte die amerikanische Wissenschaftlerin Barbara McClintock beim Mais ungewöhnliche Gene, die sie damals als Kontrollelemente bezeichnete. Heute weiß man, daß es sich dabei um mobile genetische Elemente handelte, Transposonen („springende Gene“), die in den Chromosomen des Zellkerns vorkommen. Aber auch zwischen verschiedenen Zellorganellen können DNA-Abschnitte mobil sein. Gemäß der mittlerweile allgemein anerkannten Endosymbiontentheorie sind Zellorganellen, wie Plastiden und Mitochondrien, aus ursprünglichen Symbionten entstanden. Große Teile der Erbinformation dieser Symbionten wurden später in den Zellkern des ursprüngelichen Wirtes transferiert. Dieser Vorgang ist in einigen Pflanzenfamilien heute noch zu beobachten. Schließlich muß auch die Mobilität von DNA zwischen nicht verwandten Arten (der horizontale Gentransfer) in diese Betrachtungen miteinbezogen werden. Die drei genannten Problemstellungen überlappen einander in vielfältiger Hinsicht. Die beteiligten Nukleinsäuren und die Auswirkungen auf die Genstruktur und Funktion eukaryotischer Genome sollen im weiteren aufgezeigt werden.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
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