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Plant Mol Biol. 1984 Mar;3(2):73-81. doi: 10.1007/BF00040031.

Use of synthetic oligodeoxyribonucleotides and primed cDNA as probes for pea (Pisum sativum L.) RNA and genomic DNA sequences.

Plant molecular biology

I Marta Evans, J A Gatehouse, G W Lycett, D Boulter

Affiliations

  1. Department of Botany, University of Durham, South Road, DH1 3LE, Durham, U.K..

PMID: 24310302 DOI: 10.1007/BF00040031

Abstract

Two oligonucleotide sequences were synthesised by a solid-phase phosphotriester method. One of these sequences, A was a copy of part of a characterised cDNA clone encoding the basic subunit of legumin, a seed storage protein of Pisum sativum L. (garden pea); the other sequence B was predicted to be complementary to the 5' region of legumin mRNA on the basis of the amino acid sequence of legumin acidic subunits and most likely codon usage. Sequence A was shown to hybridise specifically to a legumin cDNA clone and to legumin mRNA. Sequence B did not hybridise specifically to legumin mRNA and was concluded not to be correctly complementary to legumin mRNA. Sequence A was used as a primer for cDNA synthesis using pea seed mRNA as a template. The cDNA so produced hybridised specifically to a legumin cDNA clone, to legumin mRNA, and to sequences encoding legumin in a restriction digest of pea genomic DNA. It is suggested that such oligonucleotide primed cDNAs may be of general value in probing eukaryotic genomic DNA.

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