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Genomes pp 163-181 | Cite as

A Phylogenetic and Genomic Analysis of Crop Germplasm: A Necessary Condition for its Rational Conservation and Use

  • Paul Gepts
Part of the Stadler Genetics Symposia Series book series (SGSS)

Abstract

Biological research can be divided, at the risk of oversimplification, in a “vertical” and a “horizontal” component. Vertical biology refers to the elucidation of the function of individual organisms, from the gene to the phenotype. Horizontal biology refers to a comparison of function among organisms. Examples of vertical biology are the current genomics projects focused on model organisms such as human (Rowen et al., 1997), mouse (Dietrich et al., 1995), Arabidopsis (Bevan et al., 1998), and rice (Havukkala, 1996). In these projects, the ultimate goal is to identify each gene of the organism and their functions, at the molecular, cellular, and organismic level. It is a reductionist approach that relies on a few genotypes. Examples of horizontal biology are studies of the function of ecosystems, comparative genomics, and biodiversity (Conner et al., 1998; McCouch, 1998;

Keywords

Quantitative Trait Locus Gene Pool Common Bean Quantitative Trait Locus Analysis Exotic Germplasm 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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© Springer Science+Business Media New York 2000

Authors and Affiliations

  • Paul Gepts
    • 1
  1. 1.Department of Agronomy and Range ScienceUniversity of CaliforniaDavisUSA

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