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Title 

A gene encoding stellacyanin is induced in Capsicum annuum by pathogens, methyl jasmonate, abscisic acid, wounding, drought and salt stress

Authors 

H Y KongH W JungS C LeeDo Il ChoiB K Hwang

Publisher 

Wiley-Blackwell

Issue Date 

2002

Citation 

Physiologia Plantarum, vol. 115, no. 4, pp. 550-562

Keywords 

amino acidsDNAdroughtgenesplants (botany)RNAsaltsvascular bundlespathologyarabidopsis

Abstract 

A stellacyanin cDNA clone (CASLP1) was isolated from a pepper cDNA library from hypersensitive response (HR) lesions of leaves infected with an avirulent strain of Xanthomonas campestris pr. vesicatoria. The deduced amino acid sequences of CASLP1 are homologous to those of stellacyanins from cucumber, maize, pea and Arabidopsis. The CASLP1 mRNA was not constitutively expressed in all organs of pepper, but strongly induced and accumulated in pepper tissues infected with X. campestris pv. vesicatoria, Colletotrichum coccodes, Phytophthora capsici or C. gloeosporioides. In situ hybridization results revealed that CASLP1 transcripts were strongly localized in the phloem areas of vascular bundles in infected tissues of pepper stems and fruits. CASLP1 mRNA accumulation was found in lower pepper leaves infected by either virulent or avirulent strains of X. campestris pr. vesicatoria and non-pathogenic Pseudomonas fluorescens, but not in uninoculated upper leaves. Induction of this CASLP1 gene occurred in pepper leaves applied with methyl jasmonate (MeJA), but not with ethylene, salicylic acid, DL-β-amino-n-butyric acid and benzothiadiazole. Accumulation of CASLP1 transcripts was locally or systemically induced in pepper leaves upon mechanical wounding and was activated in a MeJA-dependent manner. The CASLP1 transcript was also strongly induced in leaf and stem tissues after exposure of pepper plants to abscisic acid, salt and drought.

ISSN 

0031-9317

Link 

http://dx.doi.org/10.1034/j.1399-3054.2002.1150409.x

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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