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  • Mapping  (2)
  • 108-659; Age, maximum/old; Age, minimum/young; Ageprofile Datum Description; COMPCORE; Composite Core; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Joides Resolution; Leg108; Ocean Drilling Program; ODP; South Atlantic Ocean; Stage  (1)
  • Pollen
  • 1995-1999  (4)
Sammlung
Schlagwörter
Verlag/Herausgeber
Erscheinungszeitraum
Jahr
  • 1
    Digitale Medien
    Digitale Medien
    A multi-nucleate male-sterile mutant of maize with gametophytic expression (1997)
    Springer
    Sexual plant reproduction 10 (1997), S. 22-26 
    Details
    ISSN: 1432-2145
    Schlagwort(e): Key words Maize ; Pollen ; Male sterility ; Gametophytic mutants
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract  In order to dissect the complex genetic system that controls pollen development, we have undertaken a program of transposon insertion mutagenesis, with the purpose of producing mutations in gametophytically acting genes that are important for this process. The present work reports the developmental cytology of one of the mutants isolated, gaMS-2 (gametophytic male sterile-2). A peculiar feature of the mutant grains was lack of differentiation between the vegetative and the generative nuclei, leading to alteration in number, conformation and placement of nuclei. At anthesis, the grains carrying the mutant allele are about 40% of the normal grain size, contain a very reduced amount of starch and exhibit various nuclear abnormalities.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s004970050063
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    Artikel (Nationallizenzen)
    Volltext
  • 2
    Digitale Medien
    Digitale Medien
    Molecular analysis and mapping of two genes encoding maize glutathione S-transferases (GST I and GST II) (1995)
    Springer
    Molecular genetics and genomics 248 (1995), S. 535-539 
    Details
    ISSN: 1617-4623
    Schlagwort(e): Glutathione S-transferase ; Maize ; Gene expression ; Mapping
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract Maize glutathione S-transferase (GST) isozymes are encoded by a gene family comprising at least five genes, three of which (Gst I, II andIII) have recently been isolated and sequenced. The enzymes are active as homo or heterodimers and exhibit intraspecific polymorphism including a “null” variant for the two major isoforms expressed in roots. Northern blot analyses performed on total root RNA from “null” and “plus” genotypes, usingGst I- andGst II-specific probes, indicated that theGst I gene controls the expression of the two major GST isoforms expressed in roots.Gst I andGst II were mapped by RFLP analysis using an F2 population of 149 individuals previously characterized.Gst I was localized on the long arm of chromosome 8, while two putativeGst II loci were mapped to chromosomes 8 (70 cM fromGst I) and 10, respectively.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02423448
    Standort Signatur Erwartet Verfügbarkeit
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    Artikel (Nationallizenzen)
    Volltext
  • 3
    Digitale Medien
    Digitale Medien
    Characterization and mapping of simple sequence repeats (SSRs) in Sorghum bicolor (1997)
    Springer
    Theoretical and applied genetics 95 (1997), S. 66-72 
    Details
    ISSN: 1432-2242
    Schlagwort(e): Key words Sorghum bicolor ; Simple sequence repeats (SSRs) ; Polymorphism ; Mapping
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract  A total of 13 SSR loci were characterized in Sorghum bicolor. Ten of these loci were isolated by screening sorghum genomic AG-enriched libraries with labelled poly(AG)/poly(CT), the other three were derived from database searches. In order to explore the degree of polymorphism detectable in this species by this type of molecular marker, the SSR markers were tested on nine inbred lines of S. bicolor of different geographic origin. PCR analysis on acrylamide gels revealed a high degree of polymorphism (δT=0.80). One locus, in particular, allowed the identification of all of the nine inbred lines used in our study. Seven of these SSR markers were mapped, using an existing sorghum RFLP map.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s001220050533
    Standort Signatur Erwartet Verfügbarkeit
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    Artikel (Nationallizenzen)
    Volltext
  • 4
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    Unbekannt
    (Table 1) Stratigraphic distribution of Globorotalia taxa in ODP Site 108-659 in the North Atlantic (1998)
    PANGAEA
    Details
    Publikationsdatum: 2024-01-09
    Schlagwort(e): 108-659; Age, maximum/old; Age, minimum/young; Ageprofile Datum Description; COMPCORE; Composite Core; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Joides Resolution; Leg108; Ocean Drilling Program; ODP; South Atlantic Ocean; Stage
    Materialart: Dataset
    Format: text/tab-separated-values, 36 data points
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    DATEN PANGAEA
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