Abstract:
:Previous experiments using in situ RNA hybridization have shown that the mRNAs encoding phenylalanine ammonia-lyase, 4-coumarate:coenzyme A ligase, and pathogenesis-related protein 1 accumulated transiently around fungal infection sites in parsley (Petroselinum crispum) leaf buds. These studies have now been extended by (a) analyzing different stages of the infection process and (b) monitoring the timing of appearance and the spatial distribution of the proteins as well as the corresponding mRNAs. An early and short period of mRNA induction throughout a large portion of the infected leaf was followed by a longer period, during which the mRNA levels remained high in a more localized area around the site of fungal penetration with sharp borders toward the surrounding tissue. This biphasic pattern of mRNA accumulation was followed after some delay by the same pattern of protein accumulation.
journal_name
Plant Physioljournal_title
Plant physiologyauthors
Reinold S,Hahlbrock Kdoi
10.1104/pp.112.1.131subject
Has Abstractpub_date
1996-09-01 00:00:00pages
131-140issue
1eissn
0032-0889issn
1532-2548pii
112/1/131journal_volume
112pub_type
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