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Related Experiment Videos

Partial sequence analysis of 130 randomly selected maize cDNA clones

C S Keith1, D O Hoang, B M Barrett

  • 1Department of Biological Sciences, California State University, Hayward 94542.

Plant Physiology
|January 1, 1993
PubMed
Summary

Researchers sequenced 130 maize cDNA clones to find new genes. Most clones (105) were novel, showing potential for discovering new maize genes and understanding plant biology.

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Area of Science:

  • Plant molecular biology
  • Genomics
  • Maize genetics

Background:

  • Identifying novel genes is crucial for understanding plant development and function.
  • Maize (Zea mays L.) is a vital crop, and its genetic resources are continuously being explored.

Purpose of the Study:

  • To identify novel maize genes through partial sequencing of cDNA clones.
  • To assess the suitability of a maize leaf cDNA library for large-scale sequencing efforts.

Main Methods:

  • Partial sequencing of 130 randomly selected cDNA clones from a maize leaf cDNA library.
  • Database comparisons to identify known and similar sequences.

Main Results:

  • Seven previously sequenced maize cDNAs were identified.

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  • 18 cDNAs showed similarity to known maize or other organism genes.
  • 105 cDNAs exhibited little or no similarity to existing sequences, representing potentially novel genes.
  • The library demonstrated large insert sizes, proper orientation, and a low duplication rate.

    • Conclusions:

    • The study identified a significant number of potentially novel maize genes.
    • The characterized maize cDNA library is suitable for large-scale sequencing and gene discovery.