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  • 1
    Keywords: Life sciences ; Agriculture ; Plant biochemistry ; Plant genetics ; Life Sciences ; Plant Genetics & Genomics ; Agriculture ; Plant Biochemistry
    Description / Table of Contents: Part I Wheat Genetics: Past, Present, and Future --- 1 Prof. H. Kihara’s genome concept and advancements in wheat cytogenetics in his school --- 2 How a gene from Japan revolutionized the world of wheat: CIMMYT’s quest for combining genes to mitigate threats to global food security --- Part II Germplasm and Genetic Diversity --- 3 Genetic resources of Triticum --- 4 Development of core set of wheat (Triticum spp.) germplasm conserved in the National Genebank in India --- 5 Transfer to wheat of potentially new stem rust resistance genes from Aegilops speltoides --- 6 Genetic variation and its geographical distribution in Aegilops caudata L.: morphology, hybrid sterility and gametocidal genes --- Part III Cytogenetics and Allopolyploid Evolution --- 7 Wheat chromosome analysis --- 8 New aneuploids of common wheat --- 9 Chromosomal changes over the course of polyploid wheat evolution and domestication --- Part IV Toward Whole Genome Sequencing --- 10 Comprehensive functional analyses of expressed sequence tags in common wheat --- 11 Development of the BAC physical maps of wheat chromosome 6B for its genomic sequencing --- Part V Structural and Functional Genomics --- 12 Sequencing of wheat chromosome 6B: toward functional genomics --- 13 Genetic mechanisms of vernalization requirement duration in winter wheat cultivars --- 14 Building ultra-dense genetic maps in the presence of genotyping errors and missing data --- Part VI Functional Gene Analysis and Molecular Tools --- 15 Exploiting comparative biology and genomics to understand a trait in wheat, Ph1 --- 16 The specific features of anthocyanin biosynthesis regulation in wheat --- 17 Association of wheat miRNAs with hybrid incompatibility in interspecific crosses of Triticum and Aegilops --- 18 High efficiency wheat transformation mediated by Agrobacterium tumefaciens --- 19 extra early-flowering (exe) mutants in einkorn wheat generated by heavy-ion beam irradiation --- Part VII Biotic Stress Response --- 20 Stem rust resistance - two approaches --- 21 Germplasm enhancement for resistance to Pyrenophora tritici-repentis in wheat --- 22 Next Generation Sequencing enabled genetics in hexaploid wheat --- Part VIII Abiotic Stress Response --- 23 Genomics approaches to dissect the genetic basis of drought resistance in durum wheat --- 24 Hybrid breeding in wheat --- 25 Broadening the genetic diversity of common and durum wheat for abiotic stress tolerance breeding --- 26 Early maturity in wheat for adaptation to high temperature stress --- 27 Gene expression profiles involved in development of freezing tolerance in common wheat --- Part IX Improvement of Grain Quality --- 28 Coping with wheat quality in a changing environment - Proteomics evidence for stress caused by environmental changes --- 29 Starch modification: a model for wheat MAS breeding --- 30 Quality characteristics of soft kernel durum - a new cereal crop --- 31 Proposal of international gluten research group --- 32 Enlargement of the genetic diversity for grain quality in bread wheat through alien introgression --- 33 Complex G x E interactions and QTL clusters govern end-use quality traits in hexaploid wheat --- 34 A consistent QTL for flour yield on chromosome 3B in the soft winter wheat variety, Kitahonami --- Part X Marker-Assisted Breeding --- 35 Recent improvements in Japanese wheat varieties --- 36 Determining the order of resistance genes Qsng-3BS, Fhb1 and Sr2 and combining them in coupling on wheat chromosome 3BS --- 37 Meta-analysis of resistance to Fusarium head blight in tetraploid wheat – implications for durum wheat breeding --- 38 Interest of a multiparental and outcrossing wheat population for fine mapping --- 39 The effect of Earliness per se (Eps) genes on flowering time in bread wheat --- Part XI Toward Sustainable Wheat Production --- 40 Recapitulating the OECD-CRP session (sponsored by the OECD’s Co-operative Research Program on Biological Resource Management for Sustainable Agricultural Systems --- 41 Exploring genetic resources to increase adaptation of wheat to climate change --- 42 Genomic approaches towards durable fungal disease resistance in wheat --- 43 Review and new progress in wheat wide hybridization for improving the resistance to biotic and abiotic stresses --- 44 Global crop improvement networks to bridge technology gaps --- 45 Genomic selection in plants: empirical results and implications for wheat breeding --- 46 Dietary fibre: wheat genes for enhanced human health --- BM Appendix I: Program --- Appendix II: Poster Presentation List --- Appendix III: Committees
    Pages: Online-Ressource (XVI, 445 pages)
    ISBN: 9784431556756
    Language: English
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  • 2
    ISSN: 1432-0983
    Keywords: Rearrangements of the chloroplast genome ; rbcL sequence ; Phylogenetic relationships ; Origin of grasses
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The distribution of structural alterations of the chloroplast genome found in grass chloroplast (cp) DNA in comparison with that of tobacco was systematically surveyed in the cpDNAs of monocots. Southern hybridization and/or PCR analyses for the detection of (1) three inversions in the large single-copy region, (2) loss of an intron in therpoC1 gene, (3) an extra-sequence insertion in therpoC2 gene, (4) the deletion of ORF2280, (5) rearrangements of theaccD (ORF512) gene, and (6) non-reciprocal translocation of therpl23 gene, were carried out on cpDNAs isolated from 58 species, 22 families, and 11 orders, which covered almost all families of monocots. These structural alterations of cpDNA mostly occurred at the family level. However, only part of the Restionaceae possessed the inversion that characterizes the lineage of grass differentiation. The order of mutational events made it possible to reconstruct grass phylogeny in monocots. Since no variations in structural alterations of the cpDNA were found among the Poaceae, grass plants were inferred to have originated from an ancestor harboring these structural alterations of the chloroplast genome. These phylogenetic relationships were supported by the sequence data ofrbcL.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-0983
    Keywords: Key words Alloplasmic wheat ; Recombination of mitochondria DNA ; mRNA processing ; Nuclear background ; Photoperiod-sensitive cytoplasmic male sterility
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract An alloplasmic wheat line with the cytoplasm of Aegilops crassa expresses photoperiod-sensitive cytoplasmic male sterility (PCMS). Southern- and Northern-hybridization analyses showed that this line contains alterations in both the gene structure and transcription patterns of the mitochondrial gene orf25. In this study, the nucleotide sequence around the orf25 gene of Ae. crassa (CR-orf25) and common wheat (AE-orf25) was determined, and we found that the upstream region of CR-orf25 had been replaced by that of rps7 of common wheat (AE-rps7) through recombination. A novel open reading frame (orf48) is present upstream of CR-orf25. In these three genes, transcription was initiated from the consensus promoter motif of plant mitochondrial genes located in the upstream regions. Processing enzymes in Ae. crassa and common wheat cleave the respective precursor mRNAs, namely CR-orf25 and AE-rps7, at sites similar to that of the premature mitochondrial 26S rRNA. In contrast, the precursor mRNA is not effectively processed at the target sequence of CR-orf25 in the alloplasmic wheat line. Because major transcripts of the euplasmic CR-orf25 and AE-rps7 genes would result in a truncated orf48 product, one possibility is that the orf48 protein might disturb mitochondrial function at a specific stage and hence affect the expression of the PCMS trait.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Current genetics 23 (1993), S. 160-165 
    ISSN: 1432-0983
    Keywords: cpDNA ; structural rearrangements ; Gene mapping ; Evolution of grasses
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The distribution of structural rearrangements of the chloroplast genome found in grass cpDNA in comparison to that of tobacco was systematically checked in the cpDNAs of representative monocots. The physical map of lily cpDNA, which shares a key position in the diversity of monocotyledonous plants, was constructed to assess whether three inversions found in grass cpDNA are common in monocots. Specific probes for the detection of (1) intron loss in the rpoC1 gene, (2) insertional sequence gain in rpoC2, (3) deletion of ORF2280 in the inverted repeats, (4) non-reciprocal translocation of rpl23, and (5) rearrangements of ORF512, were hybridized to cpDNAs of lily, onion, spiderwort, two turf grasses, and wheat. The existence of intervening sequences in the rpoC1 and rpoC2 genes was also confirmed by PCR analysis. All markers used in the study revealed that structural rearrangements of the chloroplast genome were restricted to grasses, indicating that drastic structural alterations of the chloroplast genome had occurred in the ancestor(s) of grasses. These results also suggest that structural analysis of the chloroplast genome is applicable to the phylogenetic reconstruction of related plants.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Current genetics 22 (1992), S. 251-258 
    ISSN: 1432-0983
    Keywords: Hypervariable region ; Wheat chloroplast DNAs ; Short repeats ; Intramolecular recombination
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The hot-spot region related to length mutations in the chloroplast genome of the wheat group was precisely analyzed at the DNA sequence level. This region, located downstream from the rbcL gene, was highly enriched in A+T, and contained a number of direct and inverted repeats. Many deletions/insertions were observed in the region. In most deletions/insertions of multiple nucleotides, short repeated sequences were found at the mutation points. Furthermore, a pair of short repeated sequences was also observed at the border of the translocated gene. A sequence homologous with ORF512 of tobacco cpDNA was truncated in cpDNAs of the wheat group and found only in the mitochondrial DNA of Ae. crassa, suggesting the inter-organellar translocation of this sequence. Mechanisms that could generate structural alterations of the chloroplast genome in the wheat group are discussed.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1617-4623
    Keywords: Gametocidal genes ; Chromosome deletion ; Cytological map of common wheat ; DNA markers ; Structural analysis of chromosome rearrangements
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Gametocidal (Gc) genes of Aegilops in the background of the wheat genome lead to breakage of wheat chromosomes. The Q gene of wheat was used as a marker to select 19 deletion lines for the long arm of chromosome 5A of common wheat, Triticum aestivum cv. Chinese Spring (CS). The extents of deleted segments were cytologically estimated by the C-banding technique. The DNAs of deletion lines were hybridized with 22 DNA probes recognizing sites on the long arm of the chromosome (5AL) to determine their physical order. Based on the breeding behavior of the deletion lines, the location of a novel gene (Pv, pollen viability) affecting the viability of the male gamete was deduced. The segment translocated from 4AL to 5AL in CS was cytologically estimated to represent 13% of the total length of 5AL. Although DNA markers were almost randomly distributed along the chromosome arm, DNA markers located around the centromere and C-banded regions were obtained only rarely. Some deletion lines were highly rearranged in chromosome structure due to the effect(s) of the Gc gene. Applications of Gc genes for manipulating wheat chromosomes are discussed.
    Type of Medium: Electronic Resource
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  • 10
    Publication Date: 1996-05-01
    Print ISSN: 0172-8083
    Electronic ISSN: 1432-0983
    Topics: Biology
    Published by Springer
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