The disease resistance response in pea is associated with increased levels of specific mRNAs
- 1 March 1985
- journal article
- research article
- Published by Springer Nature in Plant Molecular Biology
- Vol. 4 (2-3), 81-86
- https://doi.org/10.1007/bf02418753
Abstract
A cDNA library was constructed using poly(A)+RNA fromPisum sativum which had been treated for 8 h with the fungusFusarium solani f. sp.phaseoli. Two thousand four hundred recombinant colonies were screened by differential colony hybridization using32P-labelled cDNAs prepared from RNA extracted from either noninoculated or inoculated pea tissue. cDNA clones were then selected, which showed greater hybridization with cDNA prepared from pea RNA 8 h post-inoculation than with a cDNA probe from 0 h. Seven distinct hybridization classes were chosen for further study. Northern blot analyses of total cellular RNAs inoculated for 16 h with eitherF. solani phaseoli or water demonstrated that each cDNA clone selected represents an mRNA species which increases substantially in abundance during infection. Results of3H-uridine pulse-labelling experiments suggested that enhanced synthesis is at least partially responsible for the accumulation of the fungus-inducible mRNAs which hybridized with the clones.This publication has 15 references indexed in Scilit:
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