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[Cloning and sequencing of the maize ribosome-inactivating protein gene]

Q Fan1, X R Gao, W L Li

  • 1Institute of Bio-chemistry Engineering, Dalian University of Technology.

Insights

Researchers amplified and cloned a maize Ribosome-inactivating protein gene. The determined sequence shows high homology to previously reported sequences, aiding in understanding plant defense mechanisms.

Area of Science:

  • Molecular Biology
  • Plant Science
  • Genetics

Context:

  • Ribosome-inactivating proteins (RIPs) are plant defense proteins.
  • Understanding the genetic basis of RIPs is crucial for crop improvement.

Purpose:

  • To amplify and clone the gene encoding maize Ribosome-inactivating protein.
  • To determine the nucleotide sequence of the amplified gene.
  • To compare the sequence with previously reported sequences.

Summary:

  • A gene for maize Ribosome-inactivating protein was amplified using PCR from maize leaf mRNA.
  • The gene was cloned into the pUC19 vector, and the DNA sequence was determined.
  • The amplified sequence is 828 bp long, encoding 275 amino acid residues.
  • Nucleotide and amino acid sequences showed 98.4% and 97.4% homology, respectively, to known sequences.

Impact:

  • Provides a detailed genetic resource for maize RIPs.
  • Facilitates further research into the function and evolution of RIPs in plants.
  • Contributes to the development of enhanced crop protection strategies.

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