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Differential expression of PR genes in response to Phytophthora capsici inoculation in resistant and susceptible black pepper (Piper nigrum L.) lines

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Title Differential expression of PR genes in response to Phytophthora capsici inoculation in resistant and susceptible black pepper (Piper nigrum L.) lines
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Creator V V Vandana
Bhai R S
 
Subject β-1
3-glucanase
Cytosolic ascorbate peroxidase
Osmotin
Pathogenesis related proteins
Quantitative reverse transcription PCR
 
Description Not Available
Differential expression of three important genes encoding pathogenesis related proteins (PR proteins) viz. β-1,3-glucanase (PR-2), osmotin (PR- 5) and cytosolic ascorbate peroxidase (cAPX, PR-9) were carried out in Phytophthora susceptible (Sreekara) and resistant (04-P24) black pepper lines compared to uninoculated plants using quantitative reverse transcription PCR (qRT-PCR). Upon Phytophthora capsici inoculation, expression of these three genes were either up-regulated or downregulated. In the susceptible line, all three genes were expressed maximally on 1 day after inoculation (DAI) and thereafter the expression declined. In the resistant line, a steady increase in the expression pattern of genes was noticed during the course of infection. Highest expression levels of cAPX were noticed on 3 DAI and that of β-1, 3-glucanase and osmotin genes were maximum on 5 DAI. Soil inoculation of P. capsici affected the transcriptional activity of these genes in stem tissue also, indicating systemic defense response against the pathogen.
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Date 2021-09-06T05:54:12Z
2021-09-06T05:54:12Z
2017-09-01
 
Type Research Paper
 
Identifier Vandana, V.V., Suseela Bhai, R. Differential expression of PR genes in response to Phytophthora capsici inoculation in resistant and susceptible black pepper (Piper nigrum L.) lines. Eur J Plant Pathol 150, 713–724 (2018). https://doi.org/10.1007/s10658-017-1319-1
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http://krishi.icar.gov.in/jspui/handle/123456789/61370
 
Language English
 
Relation Not Available;
 
Publisher ICAR- Indian institute of spices research,Kozhikode, Kerala India