AI Article Synopsis
- Two jute species, Corchorus capsularis and Corchorus olitorius, face stem rot disease from the fungus Macrophomina phaseolina, while a wild species (C. trilocularis) shows resistance.
- The research used differential display to compare gene expression between C. trilocularis and C. olitorius var O-72 during fungal infection, identifying two xyloglucan endotransglycosylase/hydrolase (XTH) genes: CoXTH1 and CtXTH1, which displayed differing expression patterns.
- CtXTH1 increased expression in response to infection, while CoXTH1 was downregulated, suggesting a role for XTH genes in plant-fungal interactions that requires
Article Abstract
Two of the most widely and intensively cultivated jute species, Corchorus capsularis and Corchorus olitorius, suffer severely from a stem rot disease caused by the fungus Macrophomina phaseolina. Wild jute species, C. trilocularis, shows resistance to this pathogenic fungus. In this study, the technique of differential display was applied to identify genes which are differentially expressed, under both infected and un-infected conditions, between C. trilocularis and C. olitorius var O-72. Two xyloglucan endotransglycosylase/hydrolase (XTH) genes designated CoXTH1 (from Corchorus olitorius) and CtXTH1 (from C.trilocularis) were identified from each of the two species which show different expression patterns upon fungal infection. A steady rise in the expression of CtXTH1 in response to infection was observed by quantitative real time PCR whereas the expression of CoXTH1 was found to be downregulated. Full length sequences of these two genes were determined using primer based gene walking and RACE PCR. This study confirms the involvement of XTH in molecular interactions between M. phaseolina and jute. However, it remains to be explored whether XTH is an essential component of the signaling pathway involved in plant-fungal interaction.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3541328 | PMC |
| http://dx.doi.org/10.4161/cib.21422 | DOI Listing |
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