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Title of Journal: Ann Bot

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Abbravation: Annals of Botany

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Narnia

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DOI

10.1007/s00382-013-1917-3

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0305-7364

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Nuclear DNA Amounts in Gymnosperms

Authors: Murray Brian G
Publish Date: 1998/12/01
Volume: 82, Issue: suppl_1, Pages: 3-15
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Abstract

A survey of genome size variation in 117 gymnosperms has found that the systematic coverage of the measurements is uneven some families have been well sampled but others have not There is a 14·4fold variation in genome size within the group the largest genome being that of Pinus lambertiana with 63·5 pg DNA/2C nucleus and the smallest 12·96 pg DNA/2C nucleus in Metasequoia glyptostroboides The different methods that have been used to measure genome size in gymnosperms the choice of standards and problems associated with the different methods are reviewed The conflicting reports of intraspecific variation in genome size in gymnosperm species are problematic Some appear real whereas others can be attributed to problems associated with methodology Some studies of species show considerable uniformity of genome size over a wide geographical range whereas others find high levels of variation which may in some cases be correlated with geographical parameters Possible correlations between genome size and adaptive features of gymnosperms are examined and a number of correlations are reported between genome size and growthrelated parameters

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  5. Effects of Light and CO2 on Net Photosynthesis Rates of Stands of Aubergine and Amaranthus
  6. The First Record of Fossil Wood of Winteraceae from the Upper Cretaceous of Antarctica
  7. Jasmonates Induce Intracellular Alkalinization and Closure of Paphiopedilum Guard Cells
  8. The Interaction of Ultraviolet-B Radiation and Water Deficit in Two Arabidopsis thaliana Genotypes
  9. Ultrastructural Responses of the Lichen Bryoria fuscescens to Simulated Acid Rain and Heavy Metal Deposition
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  11. Cytoevolution, Phylogeny and Taxonomy in Epacridaceae
  12. The Structure and Fungal Associates of Mycorrhizas in Leucopogon parviflorus (Andr.) Lindl.
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  14. Aspects of Pitcher Morphology and Spectral Characteristics of Six Bornean Nepenthes Pitcher Plant Species: Implications for Prey Capture
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