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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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Original Research Articles

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(3): 1760-1773
DOI: https://doi.org/10.20546/ijcmas.2019.803.206


Expression Profiling of Resistance Gene Analogs from French Bean (Phaseolus vulgaris L.) for the Manifestation of Rust (Uromyces phaseoli L.)
B. Divya*, B. Fakrudin and V. Devappa
College of Horticulture, Bengaluru, University of Horticulutural Sciences, Bagalkot, India
*Corresponding author
Abstract:

The resistant french bean genotype Arka Anoop and susceptible genotype Arka Sharath were used for expression profiling of RGAs for the manifestation of rust. Leaf tissue was collected from both resistant and susceptible genotypes which were challenged with rust spores separately at 15 DAI and 45 DAI and synthesized cDNA. The expression level of selected 10 RGA genes of french bean was measured in both resistant and susceptible genotype rust inoculated leaf tissues separately at 15 DAI and 45 DAI. At 15 DAI, in case of pathogen challenged leaf of resistant genotypes, the 9 COHFBRGA genes (COHFBRGA1 to COHFBRGA38 except COHFBRGA2) were up-regulated with a fold change range of 0.79 to 169.01 and COHFBRGA2 was down regulated with a fold change of 0.79. Whereas, at 30 DAI in the resistant genotype, all RGA genes were up-regulated with a fold change range of 20.01 (COHFBRGA9) to 115.69 (COHFBRGA25). In case of susceptible genotype, 5 RGA genes with the fold change ranged between 1.59 and 11.10 (15 DAI) and 7 RGA genes with 0.10 (COHFBRGA38) to 19.29 (COHFBRGA9) were down-regulated. Highest fold expression was found at 15 DAI in resistance genotype by COHFBRGA26 and lowest noticed in susceptible genotype at 30 DAI by COHFBRGA38.


Keywords: French bean, RGAs, Arka Anoop, Arka Sharath, Rust and Expression analysis
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How to cite this article:

Divya, B., B. Fakrudin and Devappa, V. 2019. Expression Profiling of Resistance Gene Analogs from French Bean (Phaseolus vulgaris L.) for the Manifestation of Rust (Uromyces phaseoli L.).Int.J.Curr.Microbiol.App.Sci. 8(3): 1760-1773. doi: https://doi.org/10.20546/ijcmas.2019.803.206