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  • 1
    Online Resource
    Online Resource
    Cham : Springer International Publishing | Cham : Springer
    UID:
    b3kat_BV047580708
    Format: 1 Online-Ressource (xix, 236 Seiten) , Illustrationen
    ISBN: 9783030833831
    Series Statement: Compendium of plant genomes
    Additional Edition: Erscheint auch als Druck-Ausgabe, Hardcover ISBN 978-3-030-83382-4
    Additional Edition: Erscheint auch als Druck-Ausgabe ISBN 978-3-030-83384-8
    Additional Edition: Erscheint auch als Druck-Ausgabe, Paperback ISBN 978-3-030-83385-5
    Language: English
    URL: Volltext  (URL des Erstveröffentlichers)
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  • 2
    Online Resource
    Online Resource
    Cham : Springer International Publishing
    UID:
    b3kat_BV045164898
    Format: 1 Online-Ressource (XVIII, 394 p. 79 illus., 70 illus. in color)
    ISBN: 9783319925288
    Series Statement: Compendium of Plant Genomes
    Additional Edition: Erscheint auch als Druck-Ausgabe ISBN 978-3-319-92527-1
    Additional Edition: Erscheint auch als Druck-Ausgabe ISBN 978-3-319-92529-5
    Language: English
    URL: Volltext  (URL des Erstveröffentlichers)
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  • 3
    UID:
    b3kat_BV024861101
    Format: V, 87 S.
    Edition: Als Ms. gedr.
    ISBN: 3826533879
    Series Statement: Berichte aus der Biologie
    Note: Zugl.: Hohenheim, Univ., Diss., 1997
    Language: German
    Subjects: Biology
    RVK:
    Keywords: Hochschulschrift
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  • 4
    UID:
    gbv_1767535473
    Format: viii, 116 Seiten , Illustrationen, Diagramme
    Content: Due to global climate change providing food security for an increasing world population is a big challenge. Especially abiotic stressors have a strong negative effect on crop yield. To develop climate-adapted crops a comprehensive understanding of molecular alterations in the response of varying levels of environmental stresses is required. High throughput or ‘omics’ technologies can help to identify key-regulators and pathways of abiotic stress responses. In addition to obtain omics data also tools and statistical analyses need to be designed and evaluated to get reliable biological results. To address these issues, I have conducted three different studies covering two omics technologies. In the first study, I used transcriptomic data from the two polymorphic Arabidopsis thaliana accessions, namely Col-0 and N14, to evaluate seven computational tools for their ability to map and quantify Illumina single-end reads. Between 92% and 99% of the reads were mapped against the reference sequence. The raw count distributions obtained from ...
    Note: Dissertation Universität Potsdam 2021
    Additional Edition: Erscheint auch als Online-Ausgabe Schaarschmidt, Stephanie Evaluation and application of omics approaches to characterize molecular responses to abiotic stresses in plants Potsdam, 2020
    Language: English
    Keywords: Hochschulschrift
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  • 5
    UID:
    edochu_18452_23916
    Format: 1 Online-Ressource (18 Seiten)
    Content: The Arabidopsis gene Chloroplast Import Apparatus 2 (CIA2) encodes a transcription factor that positively affects the activity of nuclear genes for chloroplast ribosomal proteins and chloroplast protein import machineries. CIA2-like (CIL) is the paralogous gene of CIA2. We generated a cil mutant by site-directed mutagenesis and compared it with cia2 and cia2cil double mutant. Phenotype of the cil mutant did not differ from the wild type under our growth conditions, except faster growth and earlier time to flowering. Compared to cia2, the cia2cil mutant showed more impaired chloroplast functions and reduced amounts of plastid ribosomal RNAs. In silico analyses predict for CIA2 and CIL a C-terminal CCT domain and an N-terminal chloroplast transit peptide (cTP). Chloroplast (and potentially nuclear) localization was previously shown for HvCMF3 and HvCMF7, the homologs of CIA2 and CIL in barley. We observed nuclear localization of CIL after transient expression in Arabidopsis protoplasts. Surprisingly, transformation of cia2 with HvCMF3, HvCMF7, or with a truncated CIA2 lacking the predicted cTP could partially rescue the pale-green phenotype of cia2. These data are discussed with respect to potentially overlapping functions between CIA2, CIL, and their barley homologs and to the function of the putative cTPs of CIA2 and CIL.
    Content: Peer Reviewed
    In: Lausanne : Frontiers Media, 12
    Language: English
    URL: Volltext  (kostenfrei)
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  • 6
    UID:
    edochu_18452_24235
    Format: 1 Online-Ressource (23 Seiten)
    Content: Gene pairs resulting from whole genome duplication (WGD), so-called ohnologous genes, are retained if at least one member of the pair undergoes neo- or sub-functionalization. Phylogenetic analyses of the ohnologous genes ALBOSTRIANS (HvAST/HvCMF7) and ALBOSTRIANS-LIKE (HvASL/HvCMF3) of barley (Hordeum vulgare) revealed them as members of a subfamily of genes coding for CCT motif (CONSTANS, CONSTANS-LIKE and TIMING OF CAB1) proteins characterized by a single CCT domain and a putative N-terminal chloroplast transit peptide. Recently, we showed that HvCMF7 is needed for chloroplast ribosome biogenesis. Here we demonstrate that mutations in HvCMF3 lead to seedlings delayed in development. They exhibit a yellowish/light green – xantha – phenotype and successively develop pale green leaves. Compared to wild type, plastids of mutant seedlings show a decreased PSII efficiency, impaired processing and reduced amounts of ribosomal RNAs; they contain less thylakoids and grana with a higher number of more loosely stacked thylakoid membranes. Site-directed mutagenesis of HvCMF3 identified a previously unknown functional domain, which is highly conserved within this subfamily of CCT domain containing proteins. HvCMF3:GFP fusion constructs were localized to plastids and nucleus. Hvcmf3Hvcmf7 double mutants exhibited a xantha-albino or albino phenotype depending on the strength of molecular lesion of the HvCMF7 allele. The chloroplast ribosome deficiency is discussed as the primary observed defect of the Hvcmf3 mutants. Based on our observations, the genes HvCMF3 and HvCMF7 have similar but not identical functions in chloroplast development of barley supporting our hypothesis of neo-/sub-functionalization between both ohnologous genes.
    Content: Peer Reviewed
    In: Lausanne : Frontiers Media, 12
    Language: English
    URL: Volltext  (kostenfrei)
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  • 7
    UID:
    edochu_18452_23654
    Format: 1 Online-Ressource (14 Seiten)
    Content: Implementation of next-generation sequencing in forward genetic screens greatly accelerated gene discovery in species with larger genomes, including many crop plants. In barley, extensive mutant collections are available, however, the causative mutations for many of the genes remains largely unknown. Here we demonstrate how a combination of low-resolution genetic mapping, whole-genome resequencing and comparative functional analyses provides a promising path toward candidate identification of genes involved in plastid biology and/or photosynthesis, even if genes are located in recombination poor regions of the genome. As a proof of concept, we simulated the prediction of a candidate gene for the recently cloned variegation mutantalbostrians(HvAST/HvCMF7) and adopted the approach for suggestingHvClpC1as candidate gene for the yellow-green variegation mutantluteostrians.
    In: Lausanne : Frontiers Media, 12
    Language: Undetermined
    URL: Volltext  (kostenfrei)
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  • 8
    UID:
    gbv_1765552184
    Format: 1 Online-Ressource (viii, 116 Seiten, 27907 KB) , Illustrationen, Diagramme
    Content: Due to global climate change providing food security for an increasing world population is a big challenge. Especially abiotic stressors have a strong negative effect on crop yield. To develop climate-adapted crops a comprehensive understanding of molecular alterations in the response of varying levels of environmental stresses is required. High throughput or ‘omics’ technologies can help to identify key-regulators and pathways of abiotic stress responses. In addition to obtain omics data also tools and statistical analyses need to be designed and evaluated to get reliable biological results. To address these issues, I have conducted three different studies covering two omics technologies. In the first study, I used transcriptomic data from the two polymorphic Arabidopsis thaliana accessions, namely Col-0 and N14, to evaluate seven computational tools for their ability to map and quantify Illumina single-end reads. Between 92% and 99% of the reads were mapped against the reference sequence. The raw count distributions obtained from ...
    Note: Dissertation Universität Potsdam 2021
    Additional Edition: Erscheint auch als Druck-Ausgabe Schaarschmidt, Stephanie Evaluation and application of omics approaches to characterize molecular responses to abiotic stresses in plants Potsdam, 2020
    Language: English
    Keywords: Hochschulschrift
    Library Location Call Number Volume/Issue/Year Availability
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  • 9
    Online Resource
    Online Resource
    Cham : Springer International Publishing | Cham : Imprint: Springer
    UID:
    gbv_1775864707
    Format: 1 Online-Ressource(XIX, 236 Seiten) , Illustrationen, z. T. farbig
    Edition: 1st ed. 2021.
    ISBN: 9783030833831
    Series Statement: Compendium of plant genomes
    Content: Chapter 1. Economic and Academic Importance of Rye -- Chapter 2. Hybrid Rye Breeding -- Chapter 3. Rye Cytogenetics and Chromosome Genomics -- Chapter 4. The B Chromosome of Rye -- Chapter 5. Dissection of the Rye Genome by the Gametocidal System -- Chapter 6. Evolution and Domestication of Rye -- Chapter 7. Assembling the Rye Genome -- Chapter 8. The Gene and Repetitive Element Landscape of the Rye Genome -- Chapter 9. Bridging the Genotype-Phenotype Gap for Precision Breeding in Rye -- Chapter 10. Genomics of Self-Incompatibility and Male-Fertility Restoration in Rye -- Chapter 11. Genetics and Genomics of Stress Tolerance.
    Content: This book celebrates the dawn of the rye genomics era with concise, comprehensive, and accessible reviews on the current state of rye genomic research, written by experts in the field for students, researchers and growers. To most, rye is the key ingredient in a flavoursome bread or their favourite American whisky. To a farmer, rye is the remarkable grain that tolerates the harshest winters and the most unforgiving soils, befitting its legacy as the life-giving seed that fed the ancient civilisations of northern Eurasia. Since the mid-1900s, scientists have employed genetic approaches to better understand and utilize rye, but only since the technological advances of the mid-2010s has the possibility of addressing questions using rye genome assemblies become a reality. Alongside the secret of its unique survival abilities, rye genomics has accelerated research on a host of intriguing topics such as the complex history of rye’s domestication by humans, the nature of genes that switch fertility on and off, the function and origin of accessory chromosomes, and the evolution of selfish DNA.
    Additional Edition: ISBN 9783030833824
    Additional Edition: ISBN 9783030833848
    Additional Edition: ISBN 9783030833855
    Additional Edition: Erscheint auch als Druck-Ausgabe ISBN 9783030833824
    Additional Edition: Erscheint auch als Druck-Ausgabe ISBN 9783030833848
    Additional Edition: Erscheint auch als Druck-Ausgabe ISBN 9783030833855
    Language: English
    Keywords: Pflanzenzüchtung ; Reis
    URL: Cover
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  • 10
    Online Resource
    Online Resource
    Berlin, Heidelberg : Springer
    UID:
    gbv_1653781750
    Format: Online-Ressource (X, 433 p. 44 illus., 25 illus. in color, online resource)
    ISBN: 9783662444061
    Series Statement: Biotechnology in Agriculture and Forestry 69
    Content: This volume offers an up-to-date overview of biotechnologically oriented barley research. It is structured into two major sections: the first focusing on current agricultural challenges and approaches to barley improvement, and the second providing insights into recent advances in methodology. Leading scientists highlight topics such as: the global importance of barley; genetic diversity and genebanks; domestication; shoot and inflorescence architecture; reproductive development; mineral nutrition; photosynthesis and leaf senescence; grain development; drought tolerance; viral and fungal pathogens; phytophagous arthropods; molecular farming; sequence resources; induced genetic variation and TILLING; meiotic recombination; Hordeum bulbosum; genome-wide association scans; genomic selection; haploid technology; genetic engineering; and whole plant phenomics. Providing comprehensive information on topics ranging from fundamental aspects to specific applications, this book offers a useful resource for scientists, plant breeders, teachers and advanced students in the fields of molecular and plant cell biology, plant biotechnology, and agronomy
    Additional Edition: ISBN 9783662444054
    Additional Edition: Druckausg. Biotechnological approaches to barley improvement Berlin : Springer, 2014 ISBN 3662444054
    Additional Edition: ISBN 9783662444054
    Language: English
    Subjects: Agriculture, Forestry, Horticulture, Fishery, Domestic Science
    RVK:
    RVK:
    Keywords: Gerste ; Pflanzenzüchtung ; Gentechnologie ; Aufsatzsammlung
    URL: Volltext  (lizenzpflichtig)
    URL: Cover
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